Merge branch 'feature/comments' into 'master'

Comments

See merge request framasoft/mobilizon!335

config/dev.exs

@@ -52,7 +52,7 @@ config :mobilizon, MobilizonWeb.Endpoint,
 # Do not include metadata nor timestamps in development logs
 config :logger, :console, format: "[$level] $message\n", level: :debug
 
-config :mobilizon, Mobilizon.Service.Geospatial, service: Mobilizon.Service.Geospatial.Mimirsbrunn
+config :mobilizon, Mobilizon.Service.Geospatial, service: Mobilizon.Service.Geospatial.Nominatim
 
 # Set a higher stacktrace during development. Avoid configuring such
 # in production as building large stacktraces may be expensive.

js/package.json

@@ -25,12 +25,13 @@
     "graphql": "^14.5.8",
     "graphql-tag": "^2.10.1",
     "intersection-observer": "^0.7.0",
+    "javascript-time-ago": "^2.0.4",
     "leaflet": "^1.4.0",
     "leaflet.locatecontrol": "^0.68.0",
     "lodash": "^4.17.11",
     "ngeohash": "^0.6.3",
     "register-service-worker": "^1.6.2",
-    "tippy.js": "^5.0.2",
+    "tippy.js": "4.3.5",
     "tiptap": "^1.26.0",
     "tiptap-extensions": "^1.28.0",
     "vue": "^2.6.10",
@@ -40,6 +41,7 @@
     "vue-meta": "^2.3.1",
     "vue-property-decorator": "^8.1.0",
     "vue-router": "^3.0.6",
+    "vue-scrollto": "^2.17.1",
     "vue2-leaflet": "^2.0.3"
   },
   "devDependencies": {

js/src/components/Comment/Comment.vue

@@ -0,0 +1,351 @@
+<template>
+    <li :class="{ reply: comment.inReplyToComment }">
+        <article class="media" :class="{ selected: commentSelected, organizer: commentFromOrganizer }" :id="commentId">
+            <figure class="media-left" v-if="!comment.deletedAt && comment.actor.avatar">
+                <p class="image is-48x48">
+                    <img :src="comment.actor.avatar.url" alt="">
+                </p>
+            </figure>
+            <b-icon class="media-left" v-else size="is-large" icon="account-circle" />
+            <div class="media-content">
+                <div class="content">
+                    <span class="first-line" v-if="!comment.deletedAt">
+                        <strong>{{ comment.actor.name }}</strong>
+                        <small>@{{ comment.actor.preferredUsername }}</small>
+                        <a class="comment-link has-text-grey" :href="commentId">
+                            <small>{{ timeago(new Date(comment.updatedAt)) }}</small>
+                        </a>
+                    </span>
+                    <a v-else class="comment-link has-text-grey" :href="commentId">
+                        <span>{{ $t('[deleted]') }}</span>
+                    </a>
+                    <span class="icons" v-if="!comment.deletedAt">
+                        <span v-if="comment.actor.id === currentActor.id"
+                              @click="$emit('delete-comment', comment)">
+                            <b-icon
+                                icon="delete"
+                                size="is-small"
+                            />
+                        </span>
+                        <span @click="reportModal()">
+                            <b-icon
+                                    icon="alert"
+                                    size="is-small"
+                            />
+                        </span>
+                    </span>
+                    <br>
+                    <div v-if="!comment.deletedAt" v-html="comment.text" />
+                    <div v-else>{{ $t('[This comment has been deleted]') }}</div>
+                    <span class="load-replies" v-if="comment.totalReplies">
+                        <span v-if="!showReplies" @click="fetchReplies">
+                            {{ $tc('View a reply', comment.totalReplies, { totalReplies: comment.totalReplies }) }}
+                        </span>
+                        <span v-else-if="comment.totalReplies && showReplies" @click="showReplies = false">
+                            {{ $t('Hide replies') }}
+                        </span>
+                    </span>
+                </div>
+                <nav class="reply-action level is-mobile" v-if="currentActor.id && event.options.commentModeration !== CommentModeration.CLOSED">
+                    <div class="level-left">
+                      <span style="cursor: pointer" class="level-item" @click="createReplyToComment(comment)">
+                        <span class="icon is-small">
+                          <b-icon icon="reply" />
+                        </span>
+                        {{ $t('Reply') }}
+                      </span>
+                    </div>
+                </nav>
+            </div>
+        </article>
+        <form class="reply" @submit.prevent="replyToComment" v-if="currentActor.id" v-show="replyTo">
+            <article class="media reply">
+                <figure class="media-left" v-if="currentActor.avatar">
+                    <p class="image is-48x48">
+                        <img :src="currentActor.avatar.url" alt="">
+                    </p>
+                </figure>
+                <b-icon class="media-left" v-else size="is-large" icon="account-circle" />
+                <div class="media-content">
+                    <div class="content">
+                        <span class="first-line">
+                            <strong>{{ currentActor.name}}</strong>
+                            <small>@{{ currentActor.preferredUsername }}</small>
+                        </span>
+                        <br>
+                        <span class="editor-line">
+                            <editor class="editor" ref="commenteditor" v-model="newComment.text" mode="comment" />
+                            <b-button :disabled="newComment.text.trim().length === 0" native-type="submit" type="is-info">{{ $t('Post a reply') }}</b-button>
+                        </span>
+                    </div>
+                </div>
+            </article>
+        </form>
+        <transition-group name="comment-replies" v-if="showReplies" class="comment-replies" tag="ul">
+            <comment
+                    class="reply"
+                    v-for="reply in comment.replies"
+                    :key="reply.id"
+                    :comment="reply"
+                    :event="event"
+                    @create-comment="$emit('create-comment', $event)"
+                    @delete-comment="$emit('delete-comment', $event)" />
+        </transition-group>
+    </li>
+</template>
+<script lang="ts">
+import { Component, Prop, Vue } from 'vue-property-decorator';
+import { CommentModel, IComment } from '@/types/comment.model';
+import { CURRENT_ACTOR_CLIENT } from '@/graphql/actor';
+import { IPerson } from '@/types/actor';
+import { Refs } from '@/shims-vue';
+import EditorComponent from '@/components/Editor.vue';
+import TimeAgo from 'javascript-time-ago';
+import { COMMENTS_THREADS, FETCH_THREAD_REPLIES } from '@/graphql/comment';
+import { IEvent, CommentModeration } from '@/types/event.model';
+import ReportModal from '@/components/Report/ReportModal.vue';
+import { IReport } from '@/types/report.model';
+import { CREATE_REPORT } from '@/graphql/report';
+
+@Component({
+  apollo: {
+    currentActor: {
+      query: CURRENT_ACTOR_CLIENT,
+    },
+  },
+  components: {
+    editor: () => import(/* webpackChunkName: "editor" */ '@/components/Editor.vue'),
+    Comment,
+  },
+})
+export default class Comment extends Vue {
+  @Prop({ required: true, type: Object }) comment!: IComment;
+  @Prop({ required: true, type: Object }) event!: IEvent;
+
+  $refs!: Refs<{
+    commenteditor: EditorComponent,
+  }>;
+
+  currentActor!: IPerson;
+  newComment: IComment = new CommentModel();
+  replyTo: boolean = false;
+  showReplies: boolean = false;
+  timeAgoInstance = null;
+  CommentModeration = CommentModeration;
+
+  async mounted() {
+    const localeName = this.$i18n.locale;
+    const locale = await import(`javascript-time-ago/locale/${localeName}`);
+    TimeAgo.addLocale(locale);
+    this.timeAgoInstance = new TimeAgo(localeName);
+
+    const hash = this.$route.hash;
+    if (hash.includes(`#comment-${this.comment.uuid}`)) {
+      this.fetchReplies();
+    }
+  }
+
+  async createReplyToComment(comment: IComment) {
+    if (this.replyTo) {
+      this.replyTo = false;
+      this.newComment = new CommentModel();
+      return;
+    }
+    this.replyTo = true;
+        // this.newComment.inReplyToComment = comment;
+    await this.$nextTick();
+    await this.$nextTick(); // For some reason commenteditor needs two $nextTick() to fully render
+    const commentEditor = this.$refs.commenteditor;
+    commentEditor.replyToComment(comment);
+  }
+
+  replyToComment() {
+    this.newComment.inReplyToComment = this.comment;
+    this.newComment.originComment = this.comment.originComment || this.comment;
+    this.newComment.actor = this.currentActor;
+    this.$emit('create-comment', this.newComment);
+    this.newComment = new CommentModel();
+    this.replyTo = false;
+  }
+
+  async fetchReplies() {
+    const parentId = this.comment.id;
+    const { data } = await this.$apollo.query<{ thread: IComment[] }>({
+      query: FETCH_THREAD_REPLIES,
+      variables: {
+        threadId: parentId,
+      },
+    });
+    if (!data) return;
+    const { thread } = data;
+    const eventData = this.$apollo.getClient().readQuery<{ event: IEvent }>({
+      query: COMMENTS_THREADS,
+      variables: {
+        eventUUID: this.event.uuid,
+      },
+    });
+    if (!eventData) return;
+    const { event } = eventData;
+    const { comments } = event;
+    const parentCommentIndex = comments.findIndex(oldComment => oldComment.id === parentId);
+    const parentComment = comments[parentCommentIndex];
+    if (!parentComment) return;
+    parentComment.replies = thread;
+    comments[parentCommentIndex] = parentComment;
+    event.comments = comments;
+    this.$apollo.getClient().writeQuery({
+      query: COMMENTS_THREADS,
+      data: { event },
+    });
+    this.showReplies = true;
+  }
+
+  timeago(dateTime): String {
+    if (this.timeAgoInstance != null) {
+            // @ts-ignore
+      return this.timeAgoInstance.format(dateTime);
+    }
+    return '';
+  }
+
+  get commentSelected(): boolean {
+    return this.commentId === this.$route.hash;
+  }
+
+  get commentFromOrganizer(): boolean {
+    return this.event.organizerActor !== undefined && this.comment.actor.id === this.event.organizerActor.id;
+  }
+
+  get commentId(): String {
+    if (this.comment.originComment) return `#comment-${this.comment.originComment.uuid}:${this.comment.uuid}`;
+    return `#comment-${this.comment.uuid}`;
+  }
+
+  reportModal() {
+    console.log('report modal');
+    this.$buefy.modal.open({
+      parent: this,
+      component: ReportModal,
+      props: {
+        title: this.$t('Report this comment'),
+        comment: this.comment,
+        onConfirm: this.reportComment,
+      },
+    });
+  }
+
+  async reportComment(content: String, forward: boolean) {
+    try {
+      await this.$apollo.mutate<IReport>({
+        mutation: CREATE_REPORT,
+        variables: {
+          eventId: this.event.id,
+          reporterId: this.currentActor.id,
+          reportedId: this.comment.actor.id,
+          commentsIds: [this.comment.id],
+          content,
+        },
+      });
+      this.$buefy.notification.open({
+        message: this.$t('Comment from @{username} reported', { username: this.comment.actor.preferredUsername }) as string,
+        type: 'is-success',
+        position: 'is-bottom-right',
+        duration: 5000,
+      });
+    } catch (error) {
+      console.error(error);
+    }
+  }
+}
+</script>
+<style lang="scss" scoped>
+    @import "@/variables.scss";
+
+    .first-line {
+        * {
+            padding: 0 5px 0 0;
+        }
+    }
+
+    .editor-line {
+        display: flex;
+        max-width: calc(80rem - 64px);
+
+        .editor {
+            flex: 1;
+            padding-right: 10px;
+            margin-bottom: 0;
+        }
+    }
+
+    .comment-link small:hover {
+        color: hsl(0, 0%, 21%);
+    }
+
+    .root-comment .comment-replies > .reply {
+        padding-left: 3rem;
+    }
+
+    .media .media-content {
+
+        .content .editor-line {
+            display: flex;
+            align-items: center;
+        }
+
+        .icons {
+            display: none;
+        }
+    }
+
+    .media:hover .media-content .icons {
+        display: inline;
+        cursor: pointer;
+    }
+
+    .load-replies {
+        cursor: pointer;
+    }
+
+    article {
+        border-radius: 4px;
+
+        &.selected {
+            background-color: lighten($secondary, 30%);
+        }
+        &.organizer:not(.selected) {
+            background-color: lighten($primary, 50%);
+        }
+    }
+
+    .comment-replies-enter-active,
+    .comment-replies-leave-active,
+    .comment-replies-move {
+        transition: 500ms cubic-bezier(0.59, 0.12, 0.34, 0.95);
+        transition-property: opacity, transform;
+    }
+
+    .comment-replies-enter {
+        opacity: 0;
+        transform: translateX(50px) scaleY(0.5);
+    }
+
+    .comment-replies-enter-to {
+        opacity: 1;
+        transform: translateX(0) scaleY(1);
+    }
+
+    .comment-replies-leave-active {
+        position: absolute;
+    }
+
+    .comment-replies-leave-to {
+        opacity: 0;
+        transform: scaleY(0);
+        transform-origin: center top;
+    }
+
+    .reply-action .icon {
+        padding-right: 0.4rem;
+    }
+</style>

js/src/components/Comment/CommentTree.vue

@@ -0,0 +1,328 @@
+<template>
+    <div class="columns">
+        <div class="column is-two-thirds-desktop">
+            <form class="new-comment" v-if="currentActor.id && event.options.commentModeration !== CommentModeration.CLOSED" @submit.prevent="createCommentForEvent(newComment)" @keyup.ctrl.enter="createCommentForEvent(newComment)">
+                <article class="media">
+                    <figure class="media-left">
+                        <identity-picker-wrapper :inline="false" v-model="newComment.actor" />
+                    </figure>
+                    <div class="media-content">
+                        <div class="field">
+                            <p class="control">
+                                <editor ref="commenteditor" mode="comment" v-model="newComment.text" />
+                            </p>
+                        </div>
+                        <div class="send-comment">
+                            <b-button native-type="submit" type="is-info">{{ $t('Post a comment') }}</b-button>
+                        </div>
+                    </div>
+                </article>
+            </form>
+            <b-notification v-else-if="event.options.commentModeration === CommentModeration.CLOSED" :closable="false">
+                {{ $t('Comments have been closed.') }}
+            </b-notification>
+            <transition name="comment-empty-list" mode="out-in">
+                <transition-group name="comment-list" v-if="comments.length" class="comment-list" tag="ul">
+                    <comment
+                            class="root-comment"
+                            :comment="comment"
+                            :event="event"
+                            v-for="comment in orderedComments"
+                            v-if="!comment.deletedAt || comment.totalReplies > 0"
+                            :key="comment.id"
+                            @create-comment="createCommentForEvent"
+                            @delete-comment="deleteComment"
+                    />
+                </transition-group>
+                <div v-else class="no-comments">
+                    <span>{{ $t('No comments yet') }}</span>
+                    <img src="../../assets/undraw_just_saying.svg" alt="" />
+                </div>
+            </transition>
+        </div>
+    </div>
+</template>
+
+<script lang="ts">
+import { Prop, Vue, Component, Watch } from 'vue-property-decorator';
+import { CommentModel, IComment } from '@/types/comment.model';
+import {
+    CREATE_COMMENT_FROM_EVENT,
+    DELETE_COMMENT, COMMENTS_THREADS, FETCH_THREAD_REPLIES,
+} from '@/graphql/comment';
+import { CURRENT_ACTOR_CLIENT } from '@/graphql/actor';
+import { IPerson } from '@/types/actor';
+import Comment from '@/components/Comment/Comment.vue';
+import { IEvent, CommentModeration } from '@/types/event.model';
+import IdentityPickerWrapper from '@/views/Account/IdentityPickerWrapper.vue';
+
+@Component({
+  apollo: {
+    currentActor: {
+      query: CURRENT_ACTOR_CLIENT,
+    },
+    comments: {
+      query: COMMENTS_THREADS,
+      variables() {
+        return {
+          eventUUID: this.event.uuid,
+        };
+      },
+      update(data) {
+        return data.event.comments.map((comment) => new CommentModel(comment));
+      },
+      skip() {
+        return !this.event.uuid;
+      },
+    },
+  },
+  components: {
+    Comment,
+    IdentityPickerWrapper,
+    editor: () => import(/* webpackChunkName: "editor" */ '@/components/Editor.vue'),
+  },
+})
+export default class CommentTree extends Vue {
+  @Prop({ required: false, type: Object }) event!: IEvent;
+
+  newComment: IComment = new CommentModel();
+  currentActor!: IPerson;
+  comments: IComment[] = [];
+  CommentModeration = CommentModeration;
+
+  @Watch('currentActor')
+  watchCurrentActor(currentActor: IPerson) {
+    this.newComment.actor = currentActor;
+  }
+
+  async createCommentForEvent(comment: IComment) {
+    try {
+      await this.$apollo.mutate({
+        mutation: CREATE_COMMENT_FROM_EVENT,
+        variables: {
+          eventId: this.event.id,
+          actorId: comment.actor.id,
+          text: comment.text,
+          inReplyToCommentId: comment.inReplyToComment ? comment.inReplyToComment.id : null,
+        },
+        update: (store, { data }) => {
+          if (data == null) return;
+          const newComment = data.createComment;
+
+          // comments are attached to the event, so we can pass it to replies later
+          newComment.event = this.event;
+
+          // we load all existing threads
+          const commentThreadsData = store.readQuery<{ event: IEvent }>({
+            query: COMMENTS_THREADS,
+            variables: {
+              eventUUID: this.event.uuid,
+            },
+          });
+          if (!commentThreadsData) return;
+          const { event } = commentThreadsData;
+          const { comments: oldComments } = event;
+
+          // if it's no a root comment, we first need to find existing replies and add the new reply to it
+          if (comment.originComment) {
+            // @ts-ignore
+            const parentCommentIndex = oldComments.findIndex(oldComment => oldComment.id === comment.originComment.id);
+            const parentComment = oldComments[parentCommentIndex];
+
+            let oldReplyList: IComment[] = [];
+            try {
+              const threadData = store.readQuery<{ thread: IComment[] }>({
+                query: FETCH_THREAD_REPLIES,
+                variables: {
+                  threadId: parentComment.id,
+                },
+              });
+              if (!threadData) return;
+              oldReplyList = threadData.thread;
+            } catch (e) {
+              // This simply means there's no loaded replies yet
+            } finally {
+              oldReplyList.push(newComment);
+
+              // save the updated list of replies (with the one we've just added)
+              store.writeQuery({
+                query: FETCH_THREAD_REPLIES,
+                data: { thread: oldReplyList },
+                variables: {
+                  threadId: parentComment.id,
+                },
+              });
+
+              // replace the root comment with has the updated list of replies in the thread list
+              parentComment.replies = oldReplyList;
+              event.comments.splice(parentCommentIndex, 1, parentComment);
+            }
+          } else {
+            // otherwise it's simply a new thread and we add it to the list
+            oldComments.push(newComment);
+          }
+
+          // finally we save the thread list
+          event.comments = oldComments;
+          store.writeQuery({
+            query: COMMENTS_THREADS,
+            data: { event },
+            variables: {
+              eventUUID: this.event.uuid,
+            },
+          });
+        },
+      });
+
+      // and reset the new comment field
+      this.newComment = new CommentModel();
+    } catch (e) {
+      console.error(e);
+    }
+  }
+
+  async deleteComment(comment: IComment) {
+    await this.$apollo.mutate({
+      mutation: DELETE_COMMENT,
+      variables: {
+        commentId: comment.id,
+        actorId: this.currentActor.id,
+      },
+      update: (store, { data }) => {
+        if (data == null) return;
+        const deletedCommentId = data.deleteComment.id;
+
+        const commentsData = store.readQuery<{ event: IEvent }>({
+          query: COMMENTS_THREADS,
+          variables: {
+            eventUUID: this.event.uuid,
+          },
+        });
+        if (!commentsData) return;
+        const { event } = commentsData;
+        const { comments: oldComments } = event;
+
+        if (comment.originComment) {
+          // we have deleted a reply to a thread
+          const data = store.readQuery<{ thread: IComment[] }>({
+            query: FETCH_THREAD_REPLIES,
+            variables: {
+              threadId: comment.originComment.id,
+            },
+          });
+          if (!data) return;
+          const { thread: oldReplyList } = data;
+          const replies = oldReplyList.filter(reply => reply.id !== deletedCommentId);
+          store.writeQuery({
+            query: FETCH_THREAD_REPLIES,
+            variables: {
+              threadId: comment.originComment.id,
+            },
+            data: { thread: replies },
+          });
+
+            // @ts-ignore
+          const parentCommentIndex = oldComments.findIndex(oldComment => oldComment.id === comment.originComment.id);
+          const parentComment = oldComments[parentCommentIndex];
+          parentComment.replies = replies;
+          parentComment.totalReplies -= 1;
+          oldComments.splice(parentCommentIndex, 1, parentComment);
+          event.comments = oldComments;
+        } else {
+          // we have deleted a thread itself
+          event.comments = oldComments.filter(reply => reply.id !== deletedCommentId);
+        }
+        store.writeQuery({
+          query: COMMENTS_THREADS,
+          variables: {
+            eventUUID: this.event.uuid,
+          },
+          data: { event },
+        });
+      },
+    });
+    // this.comments = this.comments.filter(commentItem => commentItem.id !== comment.id);
+  }
+
+  get orderedComments(): IComment[] {
+    return this.comments.filter((comment => comment.inReplyToComment == null)).sort((a, b) => {
+      if (a.updatedAt && b.updatedAt) {
+        return (new Date(b.updatedAt)).getTime() - (new Date(a.updatedAt)).getTime();
+      }
+      return 0;
+    });
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+    .new-comment {
+        .media-content {
+            display: flex;
+            align-items: center;
+            align-content: center;
+
+            .field {
+                flex: 1;
+                padding-right: 10px;
+                margin-bottom: 0;
+            }
+        }
+    }
+
+    .no-comments {
+        display: flex;
+        flex-direction: column;
+
+        span {
+            text-align: center;
+            margin-bottom: 10px;
+        }
+
+        img {
+            max-width: 250px;
+            align-self: center;
+        }
+    }
+
+    ul.comment-list li {
+        margin-bottom: 16px;
+    }
+
+    .comment-list-enter-active,
+    .comment-list-leave-active,
+    .comment-list-move {
+        transition: 500ms cubic-bezier(0.59, 0.12, 0.34, 0.95);
+        transition-property: opacity, transform;
+    }
+
+    .comment-list-enter {
+        opacity: 0;
+        transform: translateX(50px) scaleY(0.5);
+    }
+
+    .comment-list-enter-to {
+        opacity: 1;
+        transform: translateX(0) scaleY(1);
+    }
+
+    .comment-list-leave-active,
+    .comment-empty-list-active {
+        position: absolute;
+    }
+
+    .comment-list-leave-to,
+    .comment-empty-list-leave-to {
+        opacity: 0;
+        transform: scaleY(0);
+        transform-origin: center top;
+    }
+
+    /*.comment-empty-list-enter-active {*/
+    /*    transition: opacity .5s;*/
+    /*}*/
+
+    /*.comment-empty-list-enter {*/
+    /*    opacity: 0;*/
+    /*}*/
+</style>

js/src/components/Editor.vue

@@ -1,7 +1,7 @@
 <template>
     <div v-if="editor">
-        <div class="editor" id="tiptab-editor" :data-actor-id="currentActor && currentActor.id">
+        <div class="editor" :class="{ mode_description: isDescriptionMode }" id="tiptab-editor" :data-actor-id="currentActor && currentActor.id">
-            <editor-menu-bar :editor="editor" v-slot="{ commands, isActive, focused }">
+            <editor-menu-bar v-if="isDescriptionMode" :editor="editor" v-slot="{ commands, isActive, focused }">
                 <div class="menubar bar-is-hidden" :class="{ 'is-focused': focused }">
 
                     <button
@@ -121,6 +121,33 @@
                 </div>
             </editor-menu-bar>
 
+            <editor-menu-bubble v-if="isCommentMode" :editor="editor" :keep-in-bounds="true" v-slot="{ commands, isActive, menu }">
+                <div
+                        class="menububble"
+                        :class="{ 'is-active': menu.isActive }"
+                        :style="`left: ${menu.left}px; bottom: ${menu.bottom}px;`"
+                >
+
+                    <button
+                            class="menububble__button"
+                            :class="{ 'is-active': isActive.bold() }"
+                            @click="commands.bold"
+                            type="button"
+                    >
+                        <b-icon icon="format-bold" />
+                    </button>
+
+                    <button
+                            class="menububble__button"
+                            :class="{ 'is-active': isActive.italic() }"
+                            @click="commands.italic"
+                            type="button"
+                    >
+                        <b-icon icon="format-italic" />
+                    </button>
+                </div>
+            </editor-menu-bubble>
+
             <editor-content class="editor__content" :editor="editor" />
         </div>
         <div class="suggestion-list" v-show="showSuggestions" ref="suggestions">
@@ -129,14 +156,14 @@
                         v-for="(actor, index) in filteredActors"
                         :key="actor.id"
                         class="suggestion-list__item"
-                        :class="{ 'is-selected': navigatedUserIndex === index }"
+                        :class="{ 'is-selected': navigatedActorIndex === index }"
                         @click="selectActor(actor)"
                 >
                     {{ actor.name }}
                 </div>
             </template>
             <div v-else class="suggestion-list__item is-empty">
-                No actors found
+                {{ $t('No actors found') }}
             </div>
         </div>
     </div>
@@ -165,11 +192,12 @@ import {
 } from 'tiptap-extensions';
 import tippy, { Instance } from 'tippy.js';
 import { SEARCH_PERSONS } from '@/graphql/search';
-import { IActor, IPerson } from '@/types/actor';
+import { Actor, IActor, IPerson } from '@/types/actor';
 import Image from '@/components/Editor/Image';
 import { UPLOAD_PICTURE } from '@/graphql/upload';
 import { listenFileUpload } from '@/utils/upload';
 import { CURRENT_ACTOR_CLIENT } from '@/graphql/actor';
+import { IComment } from '@/types/comment.model';
 
 @Component({
   components: { EditorContent, EditorMenuBar, EditorMenuBubble },
@@ -181,6 +209,7 @@ import { CURRENT_ACTOR_CLIENT } from '@/graphql/actor';
 })
 export default class EditorComponent extends Vue {
   @Prop({ required: true }) value!: string;
+  @Prop({ required: false, default: 'description' }) mode!: string;
 
   currentActor!: IPerson;
 
@@ -192,9 +221,17 @@ export default class EditorComponent extends Vue {
   query!: string|null;
   filteredActors: IActor[] = [];
   suggestionRange!: object|null;
-  navigatedUserIndex: number = 0;
+  navigatedActorIndex: number = 0;
   popup!: Instance|null;
 
+  get isDescriptionMode() {
+    return this.mode === 'description';
+  }
+
+  get isCommentMode() {
+    return this.mode === 'comment';
+  }
+
   get hasResults() {
     return this.filteredActors.length;
   }
@@ -232,7 +269,7 @@ export default class EditorComponent extends Vue {
             this.query = query;
             this.filteredActors = items;
             this.suggestionRange = range;
-            this.navigatedUserIndex = 0;
+            this.navigatedActorIndex = 0;
             this.renderPopup(virtualNode);
           },
 
@@ -244,7 +281,7 @@ export default class EditorComponent extends Vue {
             this.query = null;
             this.filteredActors = [];
             this.suggestionRange = null;
-            this.navigatedUserIndex = 0;
+            this.navigatedActorIndex = 0;
             this.destroyPopup();
           },
 
@@ -335,7 +372,7 @@ export default class EditorComponent extends Vue {
   }
 
   upHandler() {
-    this.navigatedUserIndex = ((this.navigatedUserIndex + this.filteredActors.length) - 1) % this.filteredActors.length;
+    this.navigatedActorIndex = ((this.navigatedActorIndex + this.filteredActors.length) - 1) % this.filteredActors.length;
   }
 
   /**
@@ -343,11 +380,11 @@ export default class EditorComponent extends Vue {
    * if it's the last item, navigate to the first one
    */
   downHandler() {
-    this.navigatedUserIndex = (this.navigatedUserIndex + 1) % this.filteredActors.length;
+    this.navigatedActorIndex = (this.navigatedActorIndex + 1) % this.filteredActors.length;
   }
 
   enterHandler() {
-    const actor = this.filteredActors[this.navigatedUserIndex];
+    const actor = this.filteredActors[this.navigatedActorIndex];
     if (actor) {
       this.selectActor(actor);
     }
@@ -359,17 +396,26 @@ export default class EditorComponent extends Vue {
    * @param actor IActor
    */
   selectActor(actor: IActor) {
+    const actorModel = new Actor(actor);
     this.insertMention({
       range: this.suggestionRange,
       attrs: {
-        id: actor.id,
+        id: actorModel.id,
-        label: actor.name,
+        label: actorModel.usernameWithDomain().substring(1), // usernameWithDomain returns with a @ prefix and tiptap adds one itself
       },
     });
     if (!this.editor) return;
     this.editor.focus();
   }
 
+  replyToComment(comment: IComment) {
+    console.log('called replyToComment', comment);
+    const actorModel = new Actor(comment.actor);
+    if (!this.editor) return;
+    this.editor.commands.mention({ id: actorModel.id, label: actorModel.usernameWithDomain().substring(1) });
+    this.editor.focus();
+  }
+
   /**
    * renders a popup with suggestions
    * tiptap provides a virtualNode object for using popper.js (or tippy.js) for popups
@@ -443,6 +489,8 @@ export default class EditorComponent extends Vue {
 }
 </script>
 <style lang="scss">
+    @import "@/variables.scss";
+
     $color-black: #000;
     $color-white: #eee;
 
@@ -474,7 +522,6 @@ export default class EditorComponent extends Vue {
 
     .editor {
         position: relative;
-        margin: 0 0 1rem;
 
         p.is-empty:first-child::before {
             content: attr(data-empty-text);
@@ -485,18 +532,25 @@ export default class EditorComponent extends Vue {
             font-style: italic;
         }
 
-        &__content {
+        &.mode_description {
             div.ProseMirror {
                 min-height: 10rem;
+            }
+        }
 
+        &__content {
+            div.ProseMirror {
+                min-height: 2.5rem;
                 box-shadow: inset 0 1px 2px rgba(10, 10, 10, 0.1);
                 background-color: white;
                 border-radius: 4px;
                 color: #363636;
                 border: 1px solid #dbdbdb;
+                padding: 12px 6px;
 
                 &:focus {
-
+                    border-color: $primary;
+                    outline: none;
                 }
             }
 
@@ -607,7 +661,7 @@ export default class EditorComponent extends Vue {
     .mention {
         background: rgba($color-black, 0.1);
         color: rgba($color-black, 0.6);
-        font-size: 0.8rem;
+        font-size: 0.9rem;
         font-weight: bold;
         border-radius: 5px;
         padding: 0.2rem 0.5rem;

js/src/components/Event/DateTimePicker.vue

@@ -17,7 +17,7 @@
             <label class="label">{{ label }}</label>
         </div>
         <div class="field-body">
-            <div class="field is-narrow is-grouped">
+            <div class="field is-narrow is-grouped calendar-picker">
                 <b-datepicker
                         :day-names="localeShortWeekDayNamesProxy"
                         :month-names="localeMonthNamesProxy"
@@ -108,4 +108,10 @@ export default class DateTimePicker extends Vue {
             padding: 0;
         }
     }
+
+    .calendar-picker {
+        /deep/ .dropdown-menu {
+            z-index: 200;
+        }
+    }
 </style>

js/src/components/Event/EventCard.vue

@@ -108,7 +108,7 @@ export default class EventCard extends Vue {
 }
 </script>
 
-<style lang="scss">
+<style lang="scss" scoped>
   @import "../../variables";
 
   a.card {

js/src/components/Report/ReportCard.vue

@@ -9,8 +9,9 @@
             <div class="media">
                 <div class="media-left">
                     <figure class="image is-48x48" v-if="report.reported.avatar">
-                        <img :src="report.reported.avatar.url" />
+                        <img alt="" :src="report.reported.avatar.url" />
                     </figure>
+                    <b-icon v-else size="is-large" icon="account-circle" />
                 </div>
                 <div class="media-content">
                     <p class="title is-4">{{ report.reported.name }}</p>
@@ -19,12 +20,8 @@
             </div>
 
             <div class="content columns">
-                <div class="column is-one-quarter box">Reported by <img v-if="report.reporter.avatar" class="image" :src="report.reporter.avatar.url" /> @{{ report.reporter.preferredUsername }}</div>
+                <div class="column is-one-quarter-desktop">Reported by <img v-if="report.reporter.avatar" class="image" :src="report.reporter.avatar.url" /> @{{ report.reporter.preferredUsername }}</div>
-                <div class="column box" v-if="report.event">
+                <div class="column" v-if="report.content">{{ report.content }}</div>
-                    <img class="image" v-if="report.event.picture" :src="report.event.picture.url" />
-                    <span>{{ report.event.title }}</span>
-                </div>
-                <div class="column box" v-if="report.reportContent">{{ report.reportContent }}</div>
             </div>
         </div>
     </div>

js/src/components/Report/ReportModal.vue

@@ -16,6 +16,23 @@
                                 size="is-large"/>
                     </div>
                     <div class="media-content">
+                        <div class="box" v-if="comment">
+                            <article class="media">
+                                <div class="media-left">
+                                    <figure class="image is-48x48" v-if="comment.actor.avatar">
+                                        <img :src="comment.actor.avatar.url" alt="Image">
+                                    </figure>
+                                    <b-icon class="media-left" v-else size="is-large" icon="account-circle" />
+                                </div>
+                                <div class="media-content">
+                                    <div class="content">
+                                        <strong>{{ comment.actor.name }}</strong> <small>@{{ comment.actor.preferredUsername }}</small>
+                                        <br>
+                                        <p v-html="comment.text"></p>
+                                    </div>
+                                </div>
+                            </article>
+                        </div>
                         <p>{{ $t('The report will be sent to the moderators of your instance. You can explain why you report this content below.') }}</p>
 
                         <div class="control">
@@ -57,7 +74,7 @@
 
 <script lang="ts">
 import { Component, Prop, Vue } from 'vue-property-decorator';
-import { removeElement } from 'buefy/src/utils/helpers';
+import { IComment } from '@/types/comment.model';
 
 @Component({
   mounted() {
@@ -67,6 +84,7 @@ import { removeElement } from 'buefy/src/utils/helpers';
 export default class ReportModal extends Vue {
   @Prop({ type: Function, default: () => {} }) onConfirm;
   @Prop({ type: String }) title;
+  @Prop({ type: Object }) comment!: IComment;
   @Prop({ type: String, default: '' }) outsideDomain;
   @Prop({ type: String }) cancelText;
   @Prop({ type: String }) confirmText;
@@ -97,8 +115,23 @@ export default class ReportModal extends Vue {
   }
 }
 </script>
-<style lang="scss">
+<style lang="scss" scoped>
     .modal-card .modal-card-foot {
         justify-content: flex-end;
     }
-</style>
+
+    .modal-card-body {
+        .media-content {
+            .box {
+                .media {
+                    padding-top: 0;
+                    border-top: none;
+                }
+            }
+
+            & > p {
+                margin-bottom: 2rem;
+            }
+        }
+    }
+</style>

js/src/filters/index.ts

@@ -1,9 +1,11 @@
 import { formatDateString, formatTimeString, formatDateTimeString } from './datetime';
+import { nl2br } from '@/filters/utils';
 
 export default {
   install(vue) {
     vue.filter('formatDateString', formatDateString);
     vue.filter('formatTimeString', formatTimeString);
     vue.filter('formatDateTimeString', formatDateTimeString);
+    vue.filter('nl2br', nl2br);
   },
 };

js/src/filters/utils.ts

@@ -0,0 +1,9 @@
+/**
+ * New Line to <br>
+ *
+ * @param {string} str Input text
+ * @return {string} Filtered text
+ */
+export function nl2br(str: String): String {
+  return `${str}`.replace(/([^>\r\n]?)(\r\n|\n\r|\r|\n)/g, '$1<br>');
+}

js/src/graphql/comment.ts

@@ -0,0 +1,83 @@
+import gql from 'graphql-tag';
+
+export const COMMENT_FIELDS_FRAGMENT_NAME = 'CommentFields';
+export const COMMENT_FIELDS_FRAGMENT = gql`
+    fragment CommentFields on Comment {
+        id,
+        uuid,
+        url,
+        text,
+        visibility,
+        actor {
+            avatar {
+                url
+            },
+            id,
+            preferredUsername,
+            name
+        },
+        totalReplies,
+        updatedAt,
+        deletedAt
+    },
+`;
+
+export const COMMENT_RECURSIVE_FRAGMENT = gql`
+    fragment CommentRecursive on Comment {
+        ...CommentFields
+        inReplyToComment {
+            ...CommentFields
+        },
+        originComment {
+            ...CommentFields
+        },
+        replies {
+            ...CommentFields
+            replies {
+                ...CommentFields
+            }
+        },
+    },
+    ${COMMENT_FIELDS_FRAGMENT}
+`;
+
+export const FETCH_THREAD_REPLIES = gql`
+    query($threadId: ID!) {
+        thread(id: $threadId) {
+            ...CommentRecursive
+        }
+    }
+    ${COMMENT_RECURSIVE_FRAGMENT}
+`;
+
+
+export const COMMENTS_THREADS = gql`
+    query($eventUUID: UUID!) {
+        event(uuid: $eventUUID) {
+            id,
+            uuid,
+            comments {
+                ...CommentFields,
+            }
+        }
+    }
+    ${COMMENT_RECURSIVE_FRAGMENT}
+`;
+
+export const CREATE_COMMENT_FROM_EVENT = gql`
+    mutation CreateCommentFromEvent($eventId: ID!, $actorId: ID!, $text: String!, $inReplyToCommentId: ID) {
+        createComment(eventId: $eventId, actorId: $actorId, text: $text, inReplyToCommentId: $inReplyToCommentId) {
+            ...CommentRecursive
+        }
+    }
+    ${COMMENT_RECURSIVE_FRAGMENT}
+`;
+
+
+export const DELETE_COMMENT = gql`
+    mutation DeleteComment($commentId: ID!, $actorId: ID!) {
+        deleteComment(commentId: $commentId, actorId: $actorId) {
+            id
+        }
+    }
+`;

js/src/graphql/event.ts

@@ -1,4 +1,5 @@
 import gql from 'graphql-tag';
+import { COMMENT_FIELDS_FRAGMENT } from '@/graphql/comment';
 
 const participantQuery = `
   role,
@@ -135,6 +136,7 @@ export const FETCH_EVENT = gql`
       }
     }
   }
+  ${COMMENT_FIELDS_FRAGMENT}
 `;
 
 export const FETCH_EVENTS = gql`

js/src/graphql/report.ts

@@ -29,7 +29,8 @@ export const REPORTS = gql`
                     url
                 }
             },
-            status
+            status,
+            content
         }
     }
 `;
@@ -63,10 +64,23 @@ const REPORT_FRAGMENT = gql`
                 url
             }
         },
+        comments {
+            id,
+            text,
+            actor {
+                id,
+                preferredUsername,
+                name,
+                avatar {
+                    url
+                }
+            }
+        }
         notes {
             id,
             content
             moderator {
+                id,
                 preferredUsername,
                 name,
                 avatar {
@@ -94,11 +108,12 @@ export const REPORT = gql`
 export const CREATE_REPORT = gql`
     mutation CreateReport(
         $eventId: ID!,
-        $reporterActorId: ID!,
+        $reporterId: ID!,
-        $reportedActorId: ID!,
+        $reportedId: ID!,
-        $content: String
+        $content: String,
+        $commentsIds: [ID]
     ) {
-        createReport(eventId: $eventId, reporterActorId: $reporterActorId, reportedActorId: $reportedActorId, content: $content) {
+        createReport(eventId: $eventId, reporterId: $reporterId, reportedId: $reportedId, content: $content, commentsIds: $commentsIds) {
             id
         }
     }

js/src/i18n/en_US.json

@@ -40,7 +40,8 @@
 	"Click to select": "Click to select",
 	"Click to upload": "Click to upload",
 	"Close comments for all (except for admins)": "Close comments for all (except for admins)",
-	"Comments on the event page": "Comments on the event page",
+	"Comment from @{username} reported": "Comment from @{username} reported",
+	"Comments have been closed.": "Comments have been closed.",
 	"Comments": "Comments",
 	"Confirm my particpation": "Confirm my particpation",
 	"Confirmed: Will happen": "Confirmed: Will happen",
@@ -117,6 +118,7 @@
 	"Group {displayName} created": "Group {displayName} created",
 	"Groups": "Groups",
 	"Headline picture": "Headline picture",
+	"Hide replies": "Hide replies",
 	"I create an identity": "I create an identity",
 	"I participate": "I participate",
 	"I want to approve every participation request": "I want to approve every participation request",
@@ -155,7 +157,9 @@
 	"My identities": "My identities",
 	"Name": "Name",
 	"New password": "New password",
+	"No actors found": "No actors found",
 	"No address defined": "No address defined",
+	"No comments yet": "No comments yet",
 	"No end date": "No end date",
 	"No events found": "No events found",
 	"No group found": "No group found",
@@ -196,6 +200,8 @@
 	"Please make sure the address is correct and that the page hasn't been moved.": "Please make sure the address is correct and that the page hasn't been moved.",
 	"Please read the full rules": "Please read the full rules",
 	"Please refresh the page and retry.": "Please refresh the page and retry.",
+	"Post a comment": "Post a comment",
+	"Post a reply": "Post a reply",
 	"Postal Code": "Postal Code",
 	"Private event": "Private event",
 	"Private feeds": "Private feeds",
@@ -216,6 +222,7 @@
 	"Reject": "Reject",
 	"Rejected participations": "Rejected participations",
 	"Rejected": "Rejected",
+	"Report this comment": "Report this comment",
 	"Report this event": "Report this event",
 	"Report": "Report",
 	"Requests": "Requests",
@@ -276,6 +283,7 @@
 	"User accounts and every other data is currently deleted every 48 hours, so you may want to register again.": "User accounts and every other data is currently deleted every 48 hours, so you may want to register again.",
 	"Username": "Username",
 	"Users": "Users",
+	"View a reply": "|View one reply|View {totalReplies} replies",
 	"View event page": "View event page",
 	"View everything": "View everything",
 	"View page on {hostname} (in a new window)": "View page on {hostname} (in a new window)",
@@ -313,6 +321,8 @@
 	"Your local administrator resumed its policy:": "Your local administrator resumed its policy:",
 	"Your participation has been confirmed": "Your participation has been confirmed",
 	"Your participation has been requested": "Your participation has been requested",
+	"[This comment has been deleted]": "[This comment has been deleted]",
+	"[deleted]": "[deleted]",
 	"a decentralised federation protocol": "a decentralised federation protocol",
 	"e.g. 10 Rue Jangot": "e.g. 10 Rue Jangot",
 	"firstDayOfWeek": "0",
@@ -330,4 +340,4 @@
 	"{license} guarantees {respect} of the people who will use it. Since {source}, anyone can audit it, which guarantees its transparency.": "{license} guarantees {respect} of the people who will use it. Since {source}, anyone can audit it, which guarantees its transparency.",
 	"© The Mobilizon Contributors {date} - Made with Elixir, Phoenix, VueJS & with some love and some weeks": "© The Mobilizon Contributors {date} - Made with Elixir, Phoenix, VueJS & with some love and some weeks",
 	"© The OpenStreetMap Contributors": "© The OpenStreetMap Contributors"
-}
+}

js/src/i18n/fr_FR.json

@@ -40,6 +40,8 @@
     "Click to select": "Cliquez pour sélectionner",
     "Click to upload": "Cliquez pour uploader",
     "Close comments for all (except for admins)": "Fermer les commentaires à tout le monde (excepté les administrateurs)",
+    "Comment from @{username} reported": "Commentaire de @{username} signalé",
+    "Comments have been closed.": "Les commentaires sont fermés.",
     "Comments on the event page": "Commentaires sur la page de l'événement",
     "Comments": "Commentaires",
     "Confirm my particpation": "Confirmer ma participation",
@@ -59,6 +61,7 @@
     "Create": "Créer",
     "Creator": "Créateur",
     "Current identity has been changed to {identityName} in order to manage this event.": "L'identité actuelle a été changée à {identityName} pour pouvoir gérer cet événement.",
+    "Dashboard": "Tableau de bord",
     "Date and time settings": "Paramètres de date et d'heure",
     "Date parameters": "Paramètres de date",
     "Delete event": "Supprimer un événement",
@@ -117,6 +120,7 @@
     "Group {displayName} created": "Groupe {displayName} créé",
     "Groups": "Groupes",
     "Headline picture": "Image à la une",
+    "Hide replies": "Masquer les réponses",
     "I create an identity": "Je crée une identité",
     "I participate": "Je participe",
     "I want to approve every participation request": "Je veux approuver chaque demande de participation",
@@ -155,7 +159,9 @@
     "My identities": "Mes identités",
     "Name": "Nom",
     "New password": "Nouveau mot de passe",
+    "No actors found": "Aucun acteur trouvé",
     "No address defined": "Aucune adresse définie",
+    "No comments yet": "Pas encore de commentaires",
     "No end date": "Pas de date de fin",
     "No events found": "Aucun événement trouvé",
     "No group found": "Aucun groupe trouvé",
@@ -197,6 +203,8 @@
     "Please read the full rules": "Merci de lire les règles complètes",
     "Please refresh the page and retry.": "Merci de rafraîchir la page puis réessayer.",
     "Please type at least 5 characters": "Merci d'entrer au moins 5 caractères",
+    "Post a comment": "Ajouter un commentaire",
+    "Post a reply": "Envoyer une réponse",
     "Postal Code": "Code postal",
     "Private event": "Événement privé",
     "Private feeds": "Flux privés",
@@ -217,8 +225,10 @@
     "Reject": "Rejetter",
     "Rejected participations": "Participations rejetées",
     "Rejected": "Rejetés",
+    "Report this comment": "Signaler ce commentaire",
     "Report this event": "Signaler cet événement",
-    "Report": "Signaler",
+    "Report": "Signalement",
+    "Reports": "Signalements",
     "Requests": "Requêtes",
     "Resend confirmation email": "Envoyer à nouveau l'email de confirmation",
     "Reset my password": "Réinitialiser mon mot de passe",
@@ -277,6 +287,7 @@
     "User accounts and every other data is currently deleted every 48 hours, so you may want to register again.": "Les comptes utilisateurs et toutes les autres données sont actuellement supprimées toutes les 48 heures, donc vous voulez peut-être vous inscrire à nouveau.",
     "Username": "Pseudo",
     "Users": "Utilisateurs",
+    "View a reply": "Aucune réponse | Voir une réponse | Voir {totalReplies} réponses",
     "View event page": "Voir la page de l'événement",
     "View everything": "Voir tout",
     "View page on {hostname} (in a new window)": "Voir la page sur {hostname} (dans une nouvelle fenêtre)",
@@ -314,6 +325,8 @@
     "Your local administrator resumed its policy:": "Votre administrateur local a résumé sa politique ainsi :",
     "Your participation has been confirmed": "Votre participation a été confirmée",
     "Your participation has been requested": "Votre participation a été demandée",
+    "[This comment has been deleted]": "[Ce commentaire a été supprimé]",
+    "[deleted]": "[supprimé]",
     "a decentralised federation protocol": "un protocole de fédération décentralisée",
     "e.g. 10 Rue Jangot": "par exemple : 10 Rue Jangot",
     "firstDayOfWeek": "1",
@@ -331,4 +344,4 @@
     "{license} guarantees {respect} of the people who will use it. Since {source}, anyone can audit it, which guarantees its transparency.": "{license} garantit {respect} des personnes qui l'utiliseront. Puisque {source}, il est publiquement auditable, ce qui garantit sa transparence.",
     "© The Mobilizon Contributors {date} - Made with Elixir, Phoenix, VueJS & with some love and some weeks": "© Les contributeurs de Mobilizon {date} - Fait avec Elixir, Phoenix, VueJS & et de l'amour et des semaines",
     "© The OpenStreetMap Contributors": "© Les Contributeur⋅ices OpenStreetMap"
-}
+}

js/src/main.ts

@@ -3,6 +3,7 @@
 import Vue from 'vue';
 import Buefy from 'buefy';
 import Component from 'vue-class-component';
+import VueScrollTo from 'vue-scrollto';
 import App from '@/App.vue';
 import router from '@/router';
 import { apolloProvider } from './vue-apollo';
@@ -17,6 +18,7 @@ Vue.use(Buefy);
 Vue.use(NotifierPlugin);
 Vue.use(filters);
 Vue.use(VueMeta);
+Vue.use(VueScrollTo);
 
 // Register the router hooks with their names
 Component.registerHooks([

js/src/mixins/event.ts

@@ -7,7 +7,8 @@ import { IPerson } from '@/types/actor';
 
 @Component
 export default class EventMixin extends mixins(Vue) {
-  async openDeleteEventModal (event: IEvent, currentActor: IPerson) {
+
+  async openDeleteEventModal(event: IEvent, currentActor: IPerson) {
     const participantsLength = event.participantStats.participant;
     const prefix = participantsLength
             ? this.$tc('There are {participants} participants.', event.participantStats.participant, {

js/src/router/index.ts

@@ -1,5 +1,6 @@
 import Vue from 'vue';
 import Router from 'vue-router';
+import VueScrollTo from 'vue-scrollto';
 import PageNotFound from '@/views/PageNotFound.vue';
 import Home from '@/views/Home.vue';
 import { UserRouteName, userRoutes } from './user';
@@ -20,13 +21,18 @@ enum GlobalRouteName {
   SEARCH = 'Search',
 }
 
-function scrollBehavior(to) {
+function scrollBehavior(to, from, savedPosition) {
   if (to.hash) {
+    VueScrollTo.scrollTo(to.hash, 700);
     return {
       selector: to.hash,
-      // , offset: { x: 0, y: 10 }
+      offset: { x: 0, y: 10 },
     };
   }
+  if (savedPosition) {
+    return savedPosition;
+  }
+
   return { x: 0, y: 0 };
 }
 

js/src/shims-vue.d.ts

@@ -1,4 +1,8 @@
+import { Vue } from 'vue/types/vue';
+
 declare module '*.vue' {
   import Vue from 'vue';
   export default Vue;
 }
+
+type Refs<T extends object> = Vue['$refs'] & T;

js/src/types/comment.model.ts

@@ -0,0 +1,50 @@
+import { Actor, IActor } from '@/types/actor';
+import { EventModel, IEvent } from '@/types/event.model';
+
+export interface IComment {
+  id?: string;
+  uuid?: string;
+  url?: string;
+  text: string;
+  actor: IActor;
+  inReplyToComment?: IComment;
+  originComment?: IComment;
+  replies: IComment[];
+  event?: IEvent;
+  updatedAt?: Date;
+  deletedAt?: Date;
+  totalReplies: number;
+}
+
+export class CommentModel implements IComment {
+  actor: IActor = new Actor();
+  id?: string;
+  text: string = '';
+  url?: string;
+  uuid?: string;
+  inReplyToComment?: IComment = undefined;
+  originComment?: IComment = undefined;
+  replies: IComment[] = [];
+  event?: IEvent = undefined;
+  updatedAt?: Date = undefined;
+  deletedAt?: Date = undefined;
+  totalReplies: number = 0;
+
+  constructor(hash?: IComment) {
+    if (!hash) return;
+
+    this.id = hash.id;
+    this.uuid = hash.uuid;
+    this.url = hash.url;
+    this.text = hash.text;
+    this.inReplyToComment = hash.inReplyToComment;
+    this.originComment = hash.originComment;
+    this.actor = new Actor(hash.actor);
+    this.event = new EventModel(hash.event);
+    this.replies = hash.replies;
+    this.updatedAt = hash.updatedAt;
+    this.deletedAt = hash.deletedAt;
+    this.totalReplies = hash.totalReplies;
+  }
+
+}

js/src/types/event.model.ts

@@ -2,6 +2,7 @@ import { Actor, IActor, IPerson } from './actor';
 import { Address, IAddress } from '@/types/address.model';
 import { ITag } from '@/types/tag.model';
 import { IPicture } from '@/types/picture.model';
+import { IComment } from '@/types/comment.model';
 
 export enum EventStatus {
   TENTATIVE = 'TENTATIVE',
@@ -129,6 +130,7 @@ export interface IEvent {
   participants: IParticipant[];
 
   relatedEvents: IEvent[];
+  comments: IComment[];
 
   onlineAddress?: string;
   phoneAddress?: string;
@@ -199,9 +201,10 @@ export class EventModel implements IEvent {
   participants: IParticipant[] = [];
 
   relatedEvents: IEvent[] = [];
+  comments: IComment[] = [];
 
   attributedTo = new Actor();
-  organizerActor?: IActor;
+  organizerActor?: IActor = new Actor();
 
   tags: ITag[] = [];
   options: IEventOptions = new EventOptions();

js/src/types/report.model.ts

@@ -1,5 +1,6 @@
 import { IActor, IPerson } from '@/types/actor';
 import { IEvent } from '@/types/event.model';
+import { IComment } from '@/types/comment.model';
 
 export enum ReportStatusEnum {
     OPEN = 'OPEN',
@@ -12,6 +13,7 @@ export interface IReport extends IActionLogObject {
   reported: IActor;
   reporter: IPerson;
   event?: IEvent;
+  comments: IComment[];
   content: string;
   notes: IReportNote[];
   insertedAt: Date;
@@ -36,6 +38,7 @@ export enum ActionLogAction {
     REPORT_UPDATE_OPENED = 'REPORT_UPDATE_OPENED',
     REPORT_UPDATE_RESOLVED = 'REPORT_UPDATE_RESOLVED',
     EVENT_DELETION = 'EVENT_DELETION',
+    COMMENT_DELETION = 'COMMENT_DELETION',
 }
 
 export interface IActionLog {

js/src/typings/tiptap.d.ts

@@ -2,6 +2,9 @@ declare module 'tiptap' {
     import Vue from 'vue';
     export class Editor {
       public constructor({});
+      public commands: {
+        mention: Function,
+      };
 
       public setOptions({}): void;
       public setContent(content: string): void;

js/src/variables.scss

@@ -32,6 +32,3 @@ $navbar-height: 4rem;
 // Footer
 $footer-padding: 3rem 1.5rem 4rem;
 $footer-background-color: $primary;
-
-// Card
-$card-background-color: $secondary;

js/src/views/Account/IdentityPicker.vue

@@ -7,7 +7,8 @@
             <div class="list is-hoverable">
                 <a class="list-item" v-for="identity in identities" :class="{ 'is-active': identity.id === currentIdentity.id }" @click="changeCurrentIdentity(identity)">
                     <div class="media">
-                        <img class="media-left image" v-if="identity.avatar" :src="identity.avatar.url" />
+                        <img class="media-left image" v-if="identity.avatar" :src="identity.avatar.url" alt="" />
+                        <b-icon class="media-left" v-else size="is-large" icon="account-circle" />
                         <div class="media-content">
                             <h3>@{{ identity.preferredUsername }}</h3>
                             <small>{{ identity.name }}</small>

js/src/views/Account/IdentityPickerWrapper.vue

@@ -1,9 +1,15 @@
 <template>
     <div class="identity-picker">
-        <img class="image" v-if="currentIdentity.avatar" :src="currentIdentity.avatar.url"  :alt="currentIdentity.avatar.alt"/> {{ currentIdentity.name || `@${currentIdentity.preferredUsername}` }}
+        <span v-if="inline" class="inline">
-        <b-button type="is-text" @click="isComponentModalActive = true">
+            <img class="image" v-if="currentIdentity.avatar" :src="currentIdentity.avatar.url"  :alt="currentIdentity.avatar.alt"/> {{ currentIdentity.name || `@${currentIdentity.preferredUsername}` }}
-            {{ $t('Change') }}
+            <b-button type="is-text" @click="isComponentModalActive = true">
-        </b-button>
+                {{ $t('Change') }}
+            </b-button>
+        </span>
+        <span v-else class="block" @click="isComponentModalActive = true">
+            <img class="image is-48x48" v-if="currentIdentity.avatar" :src="currentIdentity.avatar.url"  :alt="currentIdentity.avatar.alt"/>
+            <b-icon v-else size="is-large" icon="account-circle" />
+        </span>
         <b-modal :active.sync="isComponentModalActive" has-modal-card>
             <identity-picker v-model="currentIdentity" @input="relay" />
         </b-modal>
@@ -19,6 +25,7 @@ import IdentityPicker from './IdentityPicker.vue';
 })
 export default class IdentityPickerWrapper extends Vue {
   @Prop() value!: IActor;
+  @Prop({ default: true, type: Boolean }) inline!: boolean;
   isComponentModalActive: boolean = false;
   currentIdentity: IActor = this.value;
 
@@ -36,9 +43,16 @@ export default class IdentityPickerWrapper extends Vue {
 }
 </script>
 <style lang="scss">
-    .identity-picker img.image {
+    .identity-picker {
-        display: inline;
+
-        height: 1.5em;
+        .block {
-        vertical-align: text-bottom;
+            cursor: pointer;
+        }
+
+        .inline img.image {
+            display: inline;
+            height: 1.5em;
+            vertical-align: text-bottom;
+        }
     }
 </style>

js/src/views/Event/Edit.vue

@@ -94,7 +94,7 @@
             <b-field :label="$t('Number of places')">
               <b-numberinput controls-position="compact" min="0" v-model="event.options.maximumAttendeeCapacity"></b-numberinput>
             </b-field>
-<!-- 
+<!--
             <b-field>
               <b-switch v-model="event.options.showRemainingAttendeeCapacity">
                 {{ $t('Show remaining number of places') }}
@@ -108,12 +108,10 @@
             </b-field> -->
           </div>
 
-          <!-- <h2 class="subtitle">
+          <h2 class="subtitle">
             {{ $t('Public comment moderation') }}
           </h2>
 
-          <label>{{ $t('Comments on the event page') }}</label>
-
           <div class="field">
             <b-radio v-model="event.options.commentModeration"
                      name="commentModeration"
@@ -122,13 +120,13 @@
             </b-radio>
           </div>
 
-          <div class="field">
+<!--          <div class="field">-->
-            <b-radio v-model="event.options.commentModeration"
+<!--            <b-radio v-model="event.options.commentModeration"-->
-                     name="commentModeration"
+<!--                     name="commentModeration"-->
-                     :native-value="CommentModeration.MODERATED">
+<!--                     :native-value="CommentModeration.MODERATED">-->
-              {{ $t('Moderated comments (shown after approval)') }}
+<!--              {{ $t('Moderated comments (shown after approval)') }}-->
-            </b-radio>
+<!--            </b-radio>-->
-          </div>
+<!--          </div>-->
 
           <div class="field">
             <b-radio v-model="event.options.commentModeration"
@@ -136,7 +134,7 @@
                      :native-value="CommentModeration.CLOSED">
               {{ $t('Close comments for all (except for admins)') }}
             </b-radio>
-          </div> -->
+          </div>
 
           <h2 class="subtitle">
             {{ $t('Status') }}
@@ -542,13 +540,17 @@ export default class EditEvent extends Vue {
     const pictureObj = buildFileVariable(this.pictureFile, 'picture');
     res = Object.assign({}, res, pictureObj);
 
-    if (this.event.picture) {
+    try {
-      const oldPictureFile = await buildFileFromIPicture(this.event.picture) as File;
+      if (this.event.picture) {
-      const oldPictureFileContent = await readFileAsync(oldPictureFile);
+        const oldPictureFile = await buildFileFromIPicture(this.event.picture) as File;
-      const newPictureFileContent = await readFileAsync(this.pictureFile as File);
+        const oldPictureFileContent = await readFileAsync(oldPictureFile);
-      if (oldPictureFileContent === newPictureFileContent) {
+        const newPictureFileContent = await readFileAsync(this.pictureFile as File);
-        res.picture = { pictureId: this.event.picture.id };
+        if (oldPictureFileContent === newPictureFileContent) {
+          res.picture = { pictureId: this.event.picture.id };
+        }
       }
+    } catch (e) {
+      console.error(e);
     }
     return res;
   }

js/src/views/Event/Event.vue

@@ -2,7 +2,7 @@
   <div class="container">
     <b-loading :active.sync="$apollo.loading"></b-loading>
     <transition appear name="fade" mode="out-in">
-      <div v-if="event">
+      <div>
         <div class="header-picture" v-if="event.picture" :style="`background-image: url('${event.picture.url}')`" />
         <div class="header-picture-default" v-else />
           <section>
@@ -160,7 +160,7 @@
               </div>
             </div>
           </section>
-          <div class="description">
+          <div class="description" :class="{ exists: event.description }">
             <div class="description-container container">
               <h3 class="title">
                 {{ $t('About this event') }}
@@ -174,6 +174,12 @@
               </div>
             </div>
           </div>
+        <section class="comments" ref="commentsObserver">
+          <a href="#comments">
+            <h3 class="title" id="comments">{{ $t('Comments') }}</h3>
+          </a>
+          <comment-tree v-if="loadComments" :event="event" />
+        </section>
         <section class="share" v-if="!event.draft">
           <div class="container">
             <div class="columns is-centered is-multiline">
@@ -199,7 +205,7 @@
               </div>
               <hr />
               <div class="column is-half-widescreen has-text-right add-to-calendar">
-                <img src="../../assets/undraw_events.svg" class="is-hidden-mobile is-hidden-tablet-only" />
+                <img src="../../assets/undraw_events.svg" class="is-hidden-mobile is-hidden-tablet-only" alt="" />
                 <h3 @click="downloadIcsEvent()">
                   {{ $t('Add to my calendar') }}
                 </h3>
@@ -247,7 +253,7 @@
 import { EVENT_PERSON_PARTICIPATION, FETCH_EVENT, JOIN_EVENT, LEAVE_EVENT } from '@/graphql/event';
 import { Component, Prop } from 'vue-property-decorator';
 import { CURRENT_ACTOR_CLIENT } from '@/graphql/actor';
-import { EventStatus, EventVisibility, IEvent, IParticipant, ParticipantRole } from '@/types/event.model';
+import { EventModel, EventStatus, EventVisibility, IEvent, IParticipant, ParticipantRole } from '@/types/event.model';
 import { IPerson, Person } from '@/types/actor';
 import { GRAPHQL_API_ENDPOINT } from '@/api/_entrypoint';
 import DateCalendarIcon from '@/components/Event/DateCalendarIcon.vue';
@@ -264,6 +270,8 @@ import ParticipationButton from '@/components/Event/ParticipationButton.vue';
 import { GraphQLError } from 'graphql';
 import { RouteName } from '@/router';
 import { Address } from '@/types/address.model';
+import CommentTree from '@/components/Comment/CommentTree.vue';
+import 'intersection-observer';
 
 @Component({
   components: {
@@ -275,6 +283,7 @@ import { Address } from '@/types/address.model';
     ReportModal,
     IdentityPicker,
     ParticipationButton,
+    CommentTree,
     // tslint:disable:space-in-parens
     'map-leaflet': () => import(/* webpackChunkName: "map" */ '@/components/Map.vue'),
     // tslint:enable
@@ -328,7 +337,7 @@ import { Address } from '@/types/address.model';
 export default class Event extends EventMixin {
   @Prop({ type: String, required: true }) uuid!: string;
 
-  event!: IEvent;
+  event: IEvent = new EventModel();
   currentActor!: IPerson;
   identity: IPerson = new Person();
   participations: IParticipant[] = [];
@@ -338,6 +347,8 @@ export default class Event extends EventMixin {
   EventVisibility = EventVisibility;
   EventStatus = EventStatus;
   RouteName = RouteName;
+  observer!: IntersectionObserver;
+  loadComments: boolean = false;
 
   get eventTitle() {
     if (!this.event) return undefined;
@@ -351,10 +362,24 @@ export default class Event extends EventMixin {
 
   mounted() {
     this.identity = this.currentActor;
+    if (this.$route.hash.includes('#comment-')) {
+      this.loadComments = true;
+    }
+
+    this.observer = new IntersectionObserver((entries) => {
+      for (const entry of entries) {
+        if (entry) {
+          this.loadComments = entry.isIntersecting || this.loadComments;
+        }
+      }
+    },                                       {
+      rootMargin: '-50px 0px -50px',
+    });
+    this.observer.observe(this.$refs.commentsObserver as Element);
 
     this.$watch('eventDescription', function (eventDescription) {
       if (!eventDescription) return;
-      const eventDescriptionElement = this.$refs['eventDescriptionElement'] as HTMLElement;
+      const eventDescriptionElement = this.$refs.eventDescriptionElement as HTMLElement;
 
       eventDescriptionElement.addEventListener('click', ($event) => {
         // TODO: Find the right type for target
@@ -404,8 +429,8 @@ export default class Event extends EventMixin {
         mutation: CREATE_REPORT,
         variables: {
           eventId: this.event.id,
-          reporterActorId: this.currentActor.id,
+          reporterId: this.currentActor.id,
-          reportedActorId: this.event.organizerActor.id,
+          reportedId: this.event.organizerActor.id,
           content,
         },
       });
@@ -845,19 +870,24 @@ export default class Event extends EventMixin {
   }
 
   h3.title {
-    font-size: 3rem;
+      font-weight: 300;
-    font-weight: 300;
   }
 
   .description {
-    padding-top: 10px;
+    padding: 10px 0;
-    min-height: 40rem;
+    min-height: 7rem;
+
+    &.exists {
+      min-height: 40rem;
+    }
 
     @media screen and (min-width: 1216px) {
       background-repeat: no-repeat;
       background-size: 600px;
       background-position: 95% 101%;
-      background-image: url('../../assets/texting.svg');
+      &.exists {
+        background-image: url('../../assets/texting.svg');
+      }
     }
     border-top: solid 1px #111;
     border-bottom: solid 1px #111;
@@ -906,8 +936,17 @@ export default class Event extends EventMixin {
     }
   }
 
+  .comments {
+    margin: 1rem auto 2rem;
+
+    a h3#comments {
+      margin-bottom: 5px;
+    }
+  }
+
   .share {
-    border-bottom: solid 1px #111;
+    border-bottom: solid 1px $primary;
+    border-top: solid 1px $primary;
 
     .diaspora span svg {
       height: 2rem;
@@ -917,7 +956,7 @@ export default class Event extends EventMixin {
     .columns {
 
       & > * {
-        padding: 10rem 0;
+        padding: 2rem 0;
       }
 
       h3 {
@@ -957,7 +996,7 @@ export default class Event extends EventMixin {
         }
 
         img {
-          max-width: 400px;
+          max-width: 250px;
         }
 
         &::before {
@@ -965,7 +1004,6 @@ export default class Event extends EventMixin {
           background: #B3B3B2;
           position: absolute;
           bottom: 25%;
-          left: 0;
           height: 40%;
           width: 1px;
         }

js/src/views/Moderation/Report.vue

@@ -4,68 +4,81 @@
         <div class="container" v-if="report">
             <nav class="breadcrumb" aria-label="breadcrumbs">
                 <ul>
-                    <li><router-link :to="{ name: RouteName.DASHBOARD }">Dashboard</router-link></li>
+                    <li><router-link :to="{ name: RouteName.DASHBOARD }">{{ $t('Dashboard') }}</router-link></li>
-                    <li><router-link :to="{ name: RouteName.REPORTS }">Reports</router-link></li>
+                    <li><router-link :to="{ name: RouteName.REPORTS }">{{ $t('Reports') }}</router-link></li>
-                    <li class="is-active"><router-link :to="{ name: RouteName.REPORT, params: { reportId: this.report.id} }" aria-current="page">Report</router-link></li>
+                    <li class="is-active"><router-link :to="{ name: RouteName.REPORT, params: { reportId: this.report.id} }" aria-current="page">{{ $t('Report') }}</router-link></li>
                 </ul>
             </nav>
             <div class="buttons">
-                <b-button v-if="report.status !== ReportStatusEnum.RESOLVED" @click="updateReport(ReportStatusEnum.RESOLVED)" type="is-primary">Mark as resolved</b-button>
+                <b-button v-if="report.status !== ReportStatusEnum.RESOLVED" @click="updateReport(ReportStatusEnum.RESOLVED)" type="is-primary">{{ $t('Mark as resolved') }}</b-button>
-                <b-button v-if="report.status !== ReportStatusEnum.OPEN" @click="updateReport(ReportStatusEnum.OPEN)" type="is-success">Reopen</b-button>
+                <b-button v-if="report.status !== ReportStatusEnum.OPEN" @click="updateReport(ReportStatusEnum.OPEN)" type="is-success">{{ $t('Reopen') }}</b-button>
-                <b-button v-if="report.status !== ReportStatusEnum.CLOSED" @click="updateReport(ReportStatusEnum.CLOSED)" type="is-danger">Close</b-button>
+                <b-button v-if="report.status !== ReportStatusEnum.CLOSED" @click="updateReport(ReportStatusEnum.CLOSED)" type="is-danger">{{ $t('Close') }}</b-button>
             </div>
-            <div class="columns">
+            <div class="table-container">
-                <div class="column">
+                <table class="table is-striped is-fullwidth">
-                    <div class="table-container">
+                    <tbody>
-                        <table class="box table is-striped">
+                        <tr>
-                            <tbody>
+                            <td>{{ $t('Reported identity') }}</td>
-                                <tr>
+                            <td>
-                                    <td>Compte signalé</td>
+                                <router-link :to="{ name: RouteName.PROFILE, params: { name: report.reported.preferredUsername } }">
-                                    <td>
+                                    <img v-if="report.reported.avatar" class="image" :src="report.reported.avatar.url" /> @{{ report.reported.preferredUsername }}
-                                        <router-link :to="{ name: RouteName.PROFILE, params: { name: report.reported.preferredUsername } }">
+                                </router-link>
-                                            <img v-if="report.reported.avatar" class="image" :src="report.reported.avatar.url" /> @{{ report.reported.preferredUsername }}
+                            </td>
-                                        </router-link>
+                        </tr>
-                                    </td>
+                        <tr>
-                                </tr>
+                            <td>{{ $t('Reported by') }}</td>
-                                <tr>
+                            <td>
-                                    <td>Signalé par</td>
+                                <router-link :to="{ name: RouteName.PROFILE, params: { name: report.reporter.preferredUsername } }">
-                                    <td>
+                                    <img v-if="report.reporter.avatar" class="image" :src="report.reporter.avatar.url" /> @{{ report.reporter.preferredUsername }}
-                                        <router-link :to="{ name: RouteName.PROFILE, params: { name: report.reporter.preferredUsername } }">
+                                </router-link>
-                                            <img v-if="report.reporter.avatar" class="image" :src="report.reporter.avatar.url" /> @{{ report.reporter.preferredUsername }}
+                            </td>
-                                        </router-link>
+                        </tr>
-                                    </td>
+                        <tr>
-                                </tr>
+                            <td>{{ $t('Reported')}}</td>
-                                <tr>
+                            <td>{{ report.insertedAt | formatDateTimeString }}</td>
-                                    <td>Signalé</td>
+                        </tr>
-                                    <td>{{ report.insertedAt | formatDateTimeString }}</td>
+                        <tr v-if="report.updatedAt !== report.insertedAt">
-                                </tr>
+                            <td>{{ $t('Updated') }}</td>
-                                <tr v-if="report.updatedAt !== report.insertedAt">
+                            <td>{{ report.updatedAt | formatDateTimeString }}</td>
-                                    <td>Mis à jour</td>
+                        </tr>
-                                    <td>{{ report.updatedAt | formatDateTimeString }}</td>
+                        <tr>
-                                </tr>
+                            <td>{{ $t('Status') }}</td>
-                                <tr>
+                            <td>
-                                    <td>Statut</td>
+                                <span v-if="report.status === ReportStatusEnum.OPEN">{{ $t('Open') }}</span>
-                                    <td>
+                                <span v-else-if="report.status === ReportStatusEnum.CLOSED">{{ $t('Closed') }}</span>
-                                        <span v-if="report.status === ReportStatusEnum.OPEN">Ouvert</span>
+                                <span v-else-if="report.status === ReportStatusEnum.RESOLVED">{{ $t('Resolved') }}</span>
-                                        <span v-else-if="report.status === ReportStatusEnum.CLOSED">Fermé</span>
+                                <span v-else>{{ $t('Unknown') }}</span>
-                                        <span v-else-if="report.status === ReportStatusEnum.RESOLVED">Résolu</span>
+                            </td>
-                                        <span v-else>Inconnu</span>
+                        </tr>
-                                    </td>
+                        <tr v-if="report.event && report.comments.length > 0">
-                                </tr>
+                            <td>{{ $t('Event') }}</td>
-                            </tbody>
+                            <td>
-                        </table>
+                                <router-link :to="{ name: RouteName.EVENT, params: { uuid: report.event.uuid }}">{{ report.event.title }}</router-link>
-                    </div>
+                                <span class="is-pulled-right">
-                </div>
+                                    <b-button
-
+                                            tag="router-link"
-                <div class="column">
+                                            type="is-primary"
-                    <div class="box">
+                                            :to="{ name: RouteName.EDIT_EVENT, params: {eventId: report.event.uuid } }"
-                        <p v-if="report.content">{{ report.content }}</p>
+                                            icon-left="pencil"
-                        <p v-else>Pas de commentaire</p>
+                                            size="is-small">{{ $t('Edit') }}</b-button>
-                    </div>
+                                    <b-button
-                </div>
+                                            type="is-danger"
+                                            @click="confirmDelete()"
+                                            icon-left="delete"
+                                            size="is-small">{{ $t('Delete') }}</b-button>
+                                </span>
+                            </td>
+                        </tr>
+                    </tbody>
+                </table>
             </div>
 
-            <div class="box" v-if="report.event">
+            <div class="box report-content">
+                <p v-if="report.content" v-html="nl2br(report.content)"></p>
+                <p v-else>{{ $t('No comment') }}</p>
+            </div>
+
+            <div class="box" v-if="report.event && report.comments.length === 0">
                 <router-link :to="{ name: RouteName.EVENT, params: { uuid: report.event.uuid }}">
                     <h3 class="title">{{ report.event.title }}</h3>
                     <p v-html="report.event.description"></p>
@@ -75,28 +88,50 @@
                         type="is-primary"
                         :to="{ name: RouteName.EDIT_EVENT, params: {eventId: report.event.uuid } }"
                         icon-left="pencil"
-                        size="is-small">Edit</b-button>
+                        size="is-small">{{ $t('Edit') }}</b-button>
                 <b-button
                         type="is-danger"
                         @click="confirmDelete()"
                         icon-left="delete"
-                        size="is-small">Delete</b-button>
+                        size="is-small">{{ $t('Delete') }}</b-button>
             </div>
 
-            <h2 class="title" v-if="report.notes.length > 0">Notes</h2>
+            <ul v-for="comment in report.comments" v-if="report.comments.length > 0">
+                <li>
+                    <div class="box" v-if="comment">
+                        <article class="media">
+                            <div class="media-left">
+                                <figure class="image is-48x48" v-if="comment.actor.avatar">
+                                    <img :src="comment.actor.avatar.url" alt="Image">
+                                </figure>
+                                <b-icon class="media-left" v-else size="is-large" icon="account-circle" />
+                            </div>
+                            <div class="media-content">
+                                <div class="content">
+                                    <strong>{{ comment.actor.name }}</strong> <small>@{{ comment.actor.preferredUsername }}</small>
+                                    <br>
+                                    <p v-html="comment.text"></p>
+                                </div>
+                            </div>
+                        </article>
+                    </div>
+                </li>
+            </ul>
+
+            <h2 class="title" v-if="report.notes.length > 0">{{ $t('Notes') }}</h2>
             <div class="box note" v-for="note in report.notes" :id="`note-${note.id}`">
                 <p>{{ note.content }}</p>
                 <router-link :to="{ name: RouteName.PROFILE, params: { name: note.moderator.preferredUsername } }">
-                    <img class="image" :src="note.moderator.avatar.url" /> @{{ note.moderator.preferredUsername }}
+                    <img alt="" class="image" :src="note.moderator.avatar.url" /> @{{ note.moderator.preferredUsername }}
                 </router-link><br />
                 <small><a :href="`#note-${note.id}`" v-if="note.insertedAt">{{ note.insertedAt | formatDateTimeString }}</a></small>
             </div>
 
             <form @submit="addNote()">
-                <b-field label="Nouvelle note">
+                <b-field :label="$t('New note')">
                     <b-input type="textarea" v-model="noteContent"></b-input>
                 </b-field>
-                <b-button type="submit" @click="addNote">Ajouter une note</b-button>
+                <b-button type="submit" @click="addNote">{{ $t('Ajouter une note') }}</b-button>
             </form>
         </div>
     </section>
@@ -110,6 +145,7 @@ import { CURRENT_ACTOR_CLIENT } from '@/graphql/actor';
 import { IPerson } from '@/types/actor';
 import { DELETE_EVENT } from '@/graphql/event';
 import { uniq } from 'lodash';
+import { nl2br } from '@/utils/html';
 
 @Component({
   apollo: {
@@ -137,6 +173,7 @@ export default class Report extends Vue {
 
   ReportStatusEnum = ReportStatusEnum;
   RouteName = RouteName;
+  nl2br = nl2br;
 
   noteContent: string = '';
 
@@ -175,9 +212,9 @@ export default class Report extends Vue {
 
   confirmDelete() {
     this.$buefy.dialog.confirm({
-      title: 'Deleting event',
+      title: this.$t('Deleting event') as string,
-      message: 'Are you sure you want to <b>delete</b> this event? This action cannot be undone. You may want to engage the conversation with the event creator or edit its event instead.',
+      message: this.$t('Are you sure you want to <b>delete</b> this event? This action cannot be undone. You may want to engage the conversation with the event creator or edit its event instead.') as string,
-      confirmText: 'Delete Event',
+      confirmText: this.$t('Delete Event') as string,
       type: 'is-danger',
       hasIcon: true,
       onConfirm: () => this.deleteEvent(),
@@ -232,6 +269,7 @@ export default class Report extends Vue {
           store.writeQuery({ query: REPORT, variables: { id: this.report.id }, data: { report } });
         },
       });
+      await this.$router.push({ name: RouteName.REPORTS });
     } catch (error) {
       console.error(error);
     }
@@ -248,7 +286,9 @@ export default class Report extends Vue {
 
 }
 </script>
-<style lang="scss">
+<style lang="scss" scoped>
+    @import "@/variables.scss";
+
     .container li {
         margin: 10px auto;
     }
@@ -262,4 +302,8 @@ export default class Report extends Vue {
     .dialog .modal-card-foot {
         justify-content: flex-end;
     }
+
+    .report-content {
+        border-left: 4px solid $primary;
+    }
 </style>

js/src/views/Moderation/ReportList.vue

@@ -2,8 +2,8 @@
     <section class="container">
         <nav class="breadcrumb" aria-label="breadcrumbs">
             <ul>
-                <li><router-link :to="{ name: RouteName.DASHBOARD }">Dashboard</router-link></li>
+                <li><router-link :to="{ name: RouteName.DASHBOARD }">{{ $t('Dashboard') }}</router-link></li>
-                <li class="is-active"><router-link :to="{ name: RouteName.REPORTS }" aria-current="page">Reports</router-link></li>
+                <li class="is-active"><router-link :to="{ name: RouteName.REPORTS }" aria-current="page">{{ $t('Reports') }}</router-link></li>
             </ul>
         </nav>
         <b-field>

lib/mobilizon/events/comment.ex

@@ -29,8 +29,19 @@ defmodule Mobilizon.Events.Comment do
           origin_comment: t
         }
 
-  @required_attrs [:text, :actor_id, :url]
+  # When deleting an event we only nihilify everything
-  @optional_attrs [:event_id, :in_reply_to_comment_id, :origin_comment_id, :attributed_to_id]
+  @required_attrs [:url]
+  @creation_required_attrs @required_attrs ++ [:text, :actor_id]
+  @deletion_required_attrs @required_attrs ++ [:deleted_at]
+  @optional_attrs [
+    :text,
+    :actor_id,
+    :event_id,
+    :in_reply_to_comment_id,
+    :origin_comment_id,
+    :attributed_to_id,
+    :deleted_at
+  ]
   @attrs @required_attrs ++ @optional_attrs
 
   schema "comments" do
@@ -39,12 +50,15 @@ defmodule Mobilizon.Events.Comment do
     field(:local, :boolean, default: true)
     field(:visibility, CommentVisibility, default: :public)
     field(:uuid, Ecto.UUID)
+    field(:total_replies, :integer, virtual: true, default: 0)
+    field(:deleted_at, :utc_datetime)
 
     belongs_to(:actor, Actor, foreign_key: :actor_id)
     belongs_to(:attributed_to, Actor, foreign_key: :attributed_to_id)
     belongs_to(:event, Event, foreign_key: :event_id)
     belongs_to(:in_reply_to_comment, Comment, foreign_key: :in_reply_to_comment_id)
     belongs_to(:origin_comment, Comment, foreign_key: :origin_comment_id)
+    has_many(:replies, Comment, foreign_key: :in_reply_to_comment_id)
     many_to_many(:tags, Tag, join_through: "comments_tags", on_replace: :delete)
     has_many(:mentions, Mention)
 
@@ -62,16 +76,56 @@ defmodule Mobilizon.Events.Comment do
   @doc false
   @spec changeset(t, map) :: Ecto.Changeset.t()
   def changeset(%__MODULE__{} = comment, attrs) do
-    uuid = Map.get(attrs, :uuid) || Ecto.UUID.generate()
+    comment
-    url = Map.get(attrs, :url) || generate_url(uuid)
+    |> common_changeset(attrs)
+    |> validate_required(@creation_required_attrs)
+  end
 
+  @spec delete_changeset(t, map) :: Ecto.Changeset.t()
+  def delete_changeset(%__MODULE__{} = comment, attrs) do
+    comment
+    |> common_changeset(attrs)
+    |> validate_required(@deletion_required_attrs)
+  end
+
+  @doc """
+  Checks whether an comment can be managed.
+  """
+  @spec can_be_managed_by(t, integer | String.t()) :: boolean
+  def can_be_managed_by(%__MODULE__{actor_id: creator_actor_id}, actor_id)
+      when creator_actor_id == actor_id do
+    {:comment_can_be_managed, true}
+  end
+
+  def can_be_managed_by(_comment, _actor), do: {:comment_can_be_managed, false}
+
+  defp common_changeset(%__MODULE__{} = comment, attrs) do
     comment
     |> cast(attrs, @attrs)
-    |> put_change(:uuid, uuid)
+    |> maybe_generate_uuid()
-    |> put_change(:url, url)
+    |> maybe_generate_url()
     |> put_tags(attrs)
     |> put_mentions(attrs)
-    |> validate_required(@required_attrs)
+  end
+
+  @spec maybe_generate_uuid(Ecto.Changeset.t()) :: Ecto.Changeset.t()
+  defp maybe_generate_uuid(%Ecto.Changeset{} = changeset) do
+    case fetch_field(changeset, :uuid) do
+      :error -> put_change(changeset, :uuid, Ecto.UUID.generate())
+      {:data, nil} -> put_change(changeset, :uuid, Ecto.UUID.generate())
+      _ -> changeset
+    end
+  end
+
+  @spec maybe_generate_url(Ecto.Changeset.t()) :: Ecto.Changeset.t()
+  defp maybe_generate_url(%Ecto.Changeset{} = changeset) do
+    with res when res in [:error, {:data, nil}] <- fetch_field(changeset, :url),
+         {changes, uuid} when changes in [:changes, :data] <- fetch_field(changeset, :uuid),
+         url <- generate_url(uuid) do
+      put_change(changeset, :url, url)
+    else
+      _ -> changeset
+    end
   end
 
   @spec generate_url(String.t()) :: String.t()

lib/mobilizon/events/event.ex

@@ -14,6 +14,7 @@ defmodule Mobilizon.Events.Event do
   alias Mobilizon.Addresses
 
   alias Mobilizon.Events.{
+    Comment,
     EventOptions,
     EventStatus,
     EventVisibility,
@@ -111,6 +112,7 @@ defmodule Mobilizon.Events.Event do
     has_many(:tracks, Track)
     has_many(:sessions, Session)
     has_many(:mentions, Mention)
+    has_many(:comments, Comment)
     many_to_many(:tags, Tag, join_through: "events_tags", on_replace: :delete)
     many_to_many(:participants, Actor, join_through: Participant)
 

lib/mobilizon/events/events.ex

@@ -89,12 +89,21 @@ defmodule Mobilizon.Events do
     :sessions,
     :tracks,
     :tags,
+    :comments,
     :participants,
     :physical_address,
     :picture
   ]
 
-  @comment_preloads [:actor, :attributed_to, :in_reply_to_comment, :tags, :mentions]
+  @comment_preloads [
+    :actor,
+    :attributed_to,
+    :in_reply_to_comment,
+    :origin_comment,
+    :replies,
+    :tags,
+    :mentions
+  ]
 
   @doc """
   Gets a single event.
@@ -1001,6 +1010,29 @@ defmodule Mobilizon.Events do
     |> Repo.all()
   end
 
+  def data() do
+    Dataloader.Ecto.new(Repo, query: &query/2)
+  end
+
+  @doc """
+  Query for comment dataloader
+
+  We only get first comment of thread, and count replies.
+  Read: https://hexdocs.pm/absinthe/ecto.html#dataloader
+  """
+  def query(Comment, _params) do
+    Comment
+    |> join(:left, [c], r in Comment, on: r.origin_comment_id == c.id)
+    |> where([c, _], is_nil(c.in_reply_to_comment_id))
+    |> where([_, r], is_nil(r.deleted_at))
+    |> group_by([c], c.id)
+    |> select([c, r], %{c | total_replies: count(r.id)})
+  end
+
+  def query(queryable, _) do
+    queryable
+  end
+
   @doc """
   Gets a single comment.
   """
@@ -1015,6 +1047,15 @@ defmodule Mobilizon.Events do
   @spec get_comment!(integer | String.t()) :: Comment.t()
   def get_comment!(id), do: Repo.get!(Comment, id)
 
+  def get_comment_with_preload(nil), do: nil
+
+  def get_comment_with_preload(id) do
+    Comment
+    |> where(id: ^id)
+    |> preload_for_comment()
+    |> Repo.one()
+  end
+
   @doc """
   Gets a comment by its URL.
   """
@@ -1071,6 +1112,25 @@ defmodule Mobilizon.Events do
     |> Repo.preload(@comment_preloads)
   end
 
+  def get_threads(event_id) do
+    Comment
+    |> where([c, _], c.event_id == ^event_id and is_nil(c.origin_comment_id))
+    |> join(:left, [c], r in Comment, on: r.origin_comment_id == c.id)
+    |> group_by([c], c.id)
+    |> select([c, r], %{c | total_replies: count(r.id)})
+    |> Repo.all()
+  end
+
+  @doc """
+  Gets paginated replies for root comment
+  """
+  @spec get_thread_replies(integer()) :: [Comment.t()]
+  def get_thread_replies(parent_id) do
+    parent_id
+    |> public_replies_for_thread_query()
+    |> Repo.all()
+  end
+
   def get_or_create_comment(%{"url" => url} = attrs) do
     case Repo.get_by(Comment, url: url) do
       %Comment{} = comment -> {:ok, Repo.preload(comment, @comment_preloads)}
@@ -1103,10 +1163,20 @@ defmodule Mobilizon.Events do
   end
 
   @doc """
-  Deletes a comment.
+  Deletes a comment
+
+  But actually just empty the fields so that threads are not broken.
   """
   @spec delete_comment(Comment.t()) :: {:ok, Comment.t()} | {:error, Changeset.t()}
-  def delete_comment(%Comment{} = comment), do: Repo.delete(comment)
+  def delete_comment(%Comment{} = comment) do
+    comment
+    |> Comment.delete_changeset(%{
+      text: nil,
+      actor_id: nil,
+      deleted_at: DateTime.utc_now()
+    })
+    |> Repo.update()
+  end
 
   @doc """
   Returns the list of public comments.
@@ -1119,7 +1189,7 @@ defmodule Mobilizon.Events do
   @doc """
   Returns the list of public comments for the actor.
   """
-  @spec list_public_events_for_actor(Actor.t(), integer | nil, integer | nil) ::
+  @spec list_public_comments_for_actor(Actor.t(), integer | nil, integer | nil) ::
           {:ok, [Comment.t()], integer}
   def list_public_comments_for_actor(%Actor{id: actor_id}, page \\ nil, limit \\ nil) do
     comments =
@@ -1480,6 +1550,13 @@ defmodule Mobilizon.Events do
     |> preload_for_comment()
   end
 
+  defp public_replies_for_thread_query(comment_id) do
+    Comment
+    |> where([c], c.origin_comment_id == ^comment_id and c.visibility in ^@public_visibility)
+    |> group_by([c], [c.in_reply_to_comment_id, c.id])
+    |> preload_for_comment()
+  end
+
   @spec list_participants_for_event_query(String.t()) :: Ecto.Query.t()
   defp list_participants_for_event_query(event_id) do
     from(

lib/mobilizon/reports/report.ex

@@ -14,7 +14,7 @@ defmodule Mobilizon.Reports.Report do
   @type t :: %__MODULE__{
           content: String.t(),
           status: ReportStatus.t(),
-          uri: String.t(),
+          url: String.t(),
           reported: Actor.t(),
           reporter: Actor.t(),
           manager: Actor.t(),
@@ -23,17 +23,18 @@ defmodule Mobilizon.Reports.Report do
           notes: [Note.t()]
         }
 
-  @required_attrs [:uri, :reported_id, :reporter_id]
+  @required_attrs [:url, :reported_id, :reporter_id]
-  @optional_attrs [:content, :status, :manager_id, :event_id]
+  @optional_attrs [:content, :status, :manager_id, :event_id, :local]
   @attrs @required_attrs ++ @optional_attrs
 
   @timestamps_opts [type: :utc_datetime]
 
-  @derive {Jason.Encoder, only: [:status, :uri]}
+  @derive {Jason.Encoder, only: [:status, :url]}
   schema "reports" do
     field(:content, :string)
     field(:status, ReportStatus, default: :open)
-    field(:uri, :string)
+    field(:url, :string)
+    field(:local, :boolean, default: true)
 
     # The reported actor
     belongs_to(:reported, Actor)
@@ -56,14 +57,24 @@ defmodule Mobilizon.Reports.Report do
   def changeset(%__MODULE__{} = report, attrs) do
     report
     |> cast(attrs, @attrs)
+    |> maybe_generate_url()
+    |> maybe_put_comments(attrs)
     |> validate_required(@required_attrs)
   end
 
-  @doc false
+  defp maybe_put_comments(%Ecto.Changeset{} = changeset, %{comments: comments}) do
-  @spec creation_changeset(t, map) :: Ecto.Changeset.t()
+    put_assoc(changeset, :comments, comments)
-  def creation_changeset(%__MODULE__{} = report, attrs) do
+  end
-    report
+
-    |> changeset(attrs)
+  defp maybe_put_comments(%Ecto.Changeset{} = changeset, _), do: changeset
-    |> put_assoc(:comments, attrs["comments"])
+
+  @spec maybe_generate_url(Ecto.Changeset.t()) :: Ecto.Changeset.t()
+  defp maybe_generate_url(%Ecto.Changeset{} = changeset) do
+    with res when res in [:error, {:data, nil}] <- fetch_field(changeset, :url),
+         url <- "#{MobilizonWeb.Endpoint.url()}/report/#{Ecto.UUID.generate()}" do
+      put_change(changeset, :url, url)
+    else
+      _ -> changeset
+    end
   end
 end

lib/mobilizon/tombstone.ex

@@ -0,0 +1,45 @@
+defmodule Mobilizon.Tombstone do
+  @moduledoc """
+  Represent tombstones for deleted objects. Saves only URI
+  """
+
+  use Ecto.Schema
+  import Ecto.Changeset
+  alias Mobilizon.Actors.Actor
+  alias Mobilizon.Storage.Repo
+
+  @type t :: %__MODULE__{
+          uri: String.t(),
+          actor: Actor.t()
+        }
+
+  @required_attrs [:uri, :actor_id]
+  @optional_attrs []
+  @attrs @required_attrs ++ @optional_attrs
+
+  schema "tombstones" do
+    field(:uri, :string)
+    belongs_to(:actor, Actor)
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(%__MODULE__{} = tombstone, attrs) do
+    tombstone
+    |> cast(attrs, @attrs)
+    |> validate_required(@attrs)
+  end
+
+  @spec create_tombstone(map()) :: {:ok, Ecto.Schema.t()} | {:error, Ecto.Changeset.t()}
+  def create_tombstone(attrs) do
+    %__MODULE__{}
+    |> changeset(attrs)
+    |> Repo.insert(on_conflict: :replace_all, conflict_target: :uri)
+  end
+
+  @spec find_tombstone(String.t()) :: Ecto.Schema.t() | nil
+  def find_tombstone(uri) do
+    Repo.get_by(__MODULE__, uri: uri)
+  end
+end

lib/mobilizon_web/api/comments.ex

@@ -9,11 +9,22 @@ defmodule MobilizonWeb.API.Comments do
   @doc """
   Create a comment
 
-  Creates a comment from an actor and a status
+  Creates a comment from an actor
   """
   @spec create_comment(map()) ::
           {:ok, Activity.t(), Comment.t()} | any()
   def create_comment(args) do
     ActivityPub.create(:comment, args, true)
   end
+
+  @doc """
+  Deletes a comment
+
+  Deletes a comment from an actor
+  """
+  @spec delete_comment(Comment.t()) ::
+          {:ok, Activity.t(), Comment.t()} | any()
+  def delete_comment(%Comment{} = comment) do
+    ActivityPub.delete(comment, true)
+  end
 end

lib/mobilizon_web/api/reports.ex

@@ -5,11 +5,7 @@ defmodule MobilizonWeb.API.Reports do
 
   import Mobilizon.Service.Admin.ActionLogService
 
-  import MobilizonWeb.API.Utils
-
-  alias Mobilizon.Actors
   alias Mobilizon.Actors.Actor
-  alias Mobilizon.Events
   alias Mobilizon.Reports, as: ReportsAction
   alias Mobilizon.Reports.{Note, Report, ReportStatus}
   alias Mobilizon.Service.ActivityPub
@@ -20,44 +16,16 @@ defmodule MobilizonWeb.API.Reports do
   @doc """
   Create a report/flag on an actor, and optionally on an event or on comments.
   """
-  def report(
+  def report(args) do
-        %{
+    case {:make_activity, ActivityPub.flag(args, Map.get(args, :local, false) == false)} do
-          reporter_actor_id: reporter_actor_id,
+      {:make_activity, {:ok, %Activity{} = activity, %Report{} = report}} ->
-          reported_actor_id: reported_actor_id
+        {:ok, activity, report}
-        } = args
+
-      ) do
+      {:make_activity, err} ->
-    with {:reporter, %Actor{url: reporter_url} = _reporter_actor} <-
+        {:error, err}
-           {:reporter, Actors.get_actor!(reporter_actor_id)},
-         {:reported, %Actor{url: reported_actor_url} = reported_actor} <-
-           {:reported, Actors.get_actor!(reported_actor_id)},
-         {:ok, content} <- args |> Map.get(:content, nil) |> make_report_content_text(),
-         {:ok, event} <- args |> Map.get(:event_id, nil) |> get_event(),
-         {:get_report_comments, comments_urls} <-
-           get_report_comments(reported_actor, Map.get(args, :comments_ids, [])),
-         {:make_activity, {:ok, %Activity{} = activity, %Report{} = report}} <-
-           {:make_activity,
-            ActivityPub.flag(%{
-              reporter_url: reporter_url,
-              reported_actor_url: reported_actor_url,
-              event_url: (!is_nil(event) && event.url) || nil,
-              comments_url: comments_urls,
-              content: content,
-              forward: args[:forward] || false,
-              local: args[:local] || args[:forward] || false
-            })} do
-      {:ok, activity, report}
-    else
-      {:make_activity, err} -> {:error, err}
-      {:error, err} -> {:error, err}
-      {:actor_id, %{}} -> {:error, "Valid `actor_id` required"}
-      {:reporter, nil} -> {:error, "Reporter Actor not found"}
-      {:reported, nil} -> {:error, "Reported Actor not found"}
     end
   end
 
-  defp get_event(nil), do: {:ok, nil}
-  defp get_event(event_id), do: Events.get_event(event_id)
-
   @doc """
   Update the state of a report
   """
@@ -72,13 +40,6 @@ defmodule MobilizonWeb.API.Reports do
     end
   end
 
-  defp get_report_comments(%Actor{id: actor_id}, comment_ids) do
-    {:get_report_comments,
-     actor_id |> Events.list_comments_by_actor_and_ids(comment_ids) |> Enum.map(& &1.url)}
-  end
-
-  defp get_report_comments(_, _), do: {:get_report_comments, nil}
-
   @doc """
   Create a note on a report
   """

lib/mobilizon_web/resolvers/admin.ex

@@ -7,7 +7,7 @@ defmodule MobilizonWeb.Resolvers.Admin do
 
   alias Mobilizon.Admin.ActionLog
   alias Mobilizon.Events
-  alias Mobilizon.Events.Event
+  alias Mobilizon.Events.{Event, Comment}
   alias Mobilizon.Reports.{Note, Report}
   alias Mobilizon.Service.Statistics
   alias Mobilizon.Users.User
@@ -90,6 +90,15 @@ defmodule MobilizonWeb.Resolvers.Admin do
     }
   end
 
+  defp transform_action_log(Comment, :delete, %ActionLog{
+         changes: changes
+       }) do
+    %{
+      action: :comment_deletion,
+      object: convert_changes_to_struct(Comment, changes)
+    }
+  end
+
   # Changes are stored as %{"key" => "value"} so we need to convert them back as struct
   defp convert_changes_to_struct(struct, %{"report_id" => _report_id} = changes) do
     with data <- for({key, val} <- changes, into: %{}, do: {String.to_atom(key), val}),

lib/mobilizon_web/resolvers/comment.ex

@@ -3,25 +3,73 @@ defmodule MobilizonWeb.Resolvers.Comment do
   Handles the comment-related GraphQL calls.
   """
 
-  alias Mobilizon.Events.Comment
+  alias Mobilizon.Events
+  alias Mobilizon.Events.Comment, as: CommentModel
   alias Mobilizon.Users.User
   alias Mobilizon.Actors.Actor
+  alias Mobilizon.Actors
 
   alias MobilizonWeb.API.Comments
+  import Mobilizon.Service.Admin.ActionLogService
 
   require Logger
 
-  def create_comment(_parent, %{text: text, actor_id: actor_id}, %{
+  def get_thread(_parent, %{id: thread_id}, _context) do
+    {:ok, Events.get_thread_replies(thread_id)}
+  end
+
+  def create_comment(_parent, %{actor_id: actor_id} = args, %{
         context: %{current_user: %User{} = user}
       }) do
     with {:is_owned, %Actor{} = _organizer_actor} <- User.owns_actor(user, actor_id),
-         {:ok, _, %Comment{} = comment} <-
+         {:ok, _, %CommentModel{} = comment} <-
-           Comments.create_comment(%{actor_id: actor_id, text: text}) do
+           Comments.create_comment(args) do
       {:ok, comment}
+    else
+      {:is_owned, nil} ->
+        {:error, "Actor id is not owned by authenticated user"}
     end
   end
 
-  def create_comment(_parent, _args, %{}) do
+  def create_comment(_parent, _args, _context) do
     {:error, "You are not allowed to create a comment if not connected"}
   end
+
+  def delete_comment(_parent, %{actor_id: actor_id, comment_id: comment_id}, %{
+        context: %{current_user: %User{role: role} = user}
+      }) do
+    with {actor_id, ""} <- Integer.parse(actor_id),
+         {:is_owned, %Actor{} = _organizer_actor} <- User.owns_actor(user, actor_id),
+         %CommentModel{} = comment <- Events.get_comment_with_preload(comment_id) do
+      cond do
+        {:comment_can_be_managed, true} == CommentModel.can_be_managed_by(comment, actor_id) ->
+          do_delete_comment(comment)
+
+        role in [:moderator, :administrator] ->
+          with {:ok, res} <- do_delete_comment(comment),
+               %Actor{} = actor <- Actors.get_actor(actor_id) do
+            log_action(actor, "delete", comment)
+
+            {:ok, res}
+          end
+
+        true ->
+          {:error, "You cannot delete this comment"}
+      end
+    else
+      {:is_owned, nil} ->
+        {:error, "Actor id is not owned by authenticated user"}
+    end
+  end
+
+  def delete_comment(_parent, _args, %{}) do
+    {:error, "You are not allowed to delete a comment if not connected"}
+  end
+
+  defp do_delete_comment(%CommentModel{} = comment) do
+    with {:ok, _, %CommentModel{} = comment} <-
+           Comments.delete_comment(comment) do
+      {:ok, comment}
+    end
+  end
 end

lib/mobilizon_web/resolvers/report.ex

@@ -46,10 +46,10 @@ defmodule MobilizonWeb.Resolvers.Report do
   """
   def create_report(
         _parent,
-        %{reporter_actor_id: reporter_actor_id} = args,
+        %{reporter_id: reporter_id} = args,
         %{context: %{current_user: user}} = _resolution
       ) do
-    with {:is_owned, %Actor{}} <- User.owns_actor(user, reporter_actor_id),
+    with {:is_owned, %Actor{}} <- User.owns_actor(user, reporter_id),
          {:ok, _, %Report{} = report} <- ReportsAPI.report(args) do
       {:ok, report}
     else

lib/mobilizon_web/router.ex

@@ -49,7 +49,11 @@ defmodule MobilizonWeb.Router do
   scope "/api" do
     pipe_through(:graphql)
 
-    forward("/", Absinthe.Plug, schema: MobilizonWeb.Schema)
+    forward("/", Absinthe.Plug,
+      schema: MobilizonWeb.Schema,
+      analyze_complexity: true,
+      max_complexity: 200
+    )
   end
 
   forward("/graphiql", Absinthe.Plug.GraphiQL, schema: MobilizonWeb.Schema)

lib/mobilizon_web/schema.ex

@@ -96,7 +96,7 @@ defmodule MobilizonWeb.Schema do
       Dataloader.new()
       |> Dataloader.add_source(Actors, default_source)
       |> Dataloader.add_source(Users, default_source)
-      |> Dataloader.add_source(Events, default_source)
+      |> Dataloader.add_source(Events, Events.data())
       |> Dataloader.add_source(Addresses, default_source)
       |> Dataloader.add_source(Media, default_source)
       |> Dataloader.add_source(Reports, default_source)
@@ -117,6 +117,7 @@ defmodule MobilizonWeb.Schema do
     import_fields(:person_queries)
     import_fields(:group_queries)
     import_fields(:event_queries)
+    import_fields(:comment_queries)
     import_fields(:tag_queries)
     import_fields(:address_queries)
     import_fields(:config_queries)

lib/mobilizon_web/schema/admin.ex

@@ -5,7 +5,7 @@ defmodule MobilizonWeb.Schema.AdminType do
 
   use Absinthe.Schema.Notation
 
-  alias Mobilizon.Events.Event
+  alias Mobilizon.Events.{Event, Comment}
   alias Mobilizon.Reports.{Note, Report}
 
   alias MobilizonWeb.Resolvers.Admin
@@ -26,6 +26,7 @@ defmodule MobilizonWeb.Schema.AdminType do
     value(:note_creation)
     value(:note_deletion)
     value(:event_deletion)
+    value(:comment_deletion)
     value(:event_update)
   end
 
@@ -43,6 +44,9 @@ defmodule MobilizonWeb.Schema.AdminType do
       %Event{}, _ ->
         :event
 
+      %Comment{}, _ ->
+        :comment
+
       _, _ ->
         nil
     end)

lib/mobilizon_web/schema/comment.ex

@@ -4,9 +4,12 @@ defmodule MobilizonWeb.Schema.CommentType do
   """
   use Absinthe.Schema.Notation
   alias MobilizonWeb.Resolvers.Comment
+  alias Mobilizon.{Actors, Events}
+  import Absinthe.Resolution.Helpers, only: [dataloader: 1]
 
   @desc "A comment"
   object :comment do
+    interfaces([:action_log_object])
     field(:id, :id, description: "Internal ID for this comment")
     field(:uuid, :uuid)
     field(:url, :string)
@@ -14,8 +17,20 @@ defmodule MobilizonWeb.Schema.CommentType do
     field(:visibility, :comment_visibility)
     field(:text, :string)
     field(:primaryLanguage, :string)
-    field(:replies, list_of(:comment))
+
+    field(:replies, list_of(:comment)) do
+      resolve(dataloader(Events))
+    end
+
+    field(:total_replies, :integer)
+    field(:in_reply_to_comment, :comment, resolve: dataloader(Events))
+    field(:event, :event, resolve: dataloader(Events))
+    field(:origin_comment, :comment, resolve: dataloader(Events))
     field(:threadLanguages, non_null(list_of(:string)))
+    field(:actor, :person, resolve: dataloader(Actors))
+    field(:inserted_at, :datetime)
+    field(:updated_at, :datetime)
+    field(:deleted_at, :datetime)
   end
 
   @desc "The list of visibility options for a comment"
@@ -31,13 +46,30 @@ defmodule MobilizonWeb.Schema.CommentType do
     value(:invite, description: "visible only to people invited")
   end
 
+  object :comment_queries do
+    @desc "Get replies for thread"
+    field :thread, type: list_of(:comment) do
+      arg(:id, :id)
+      resolve(&Comment.get_thread/3)
+    end
+  end
+
   object :comment_mutations do
     @desc "Create a comment"
     field :create_comment, type: :comment do
       arg(:text, non_null(:string))
+      arg(:event_id, :id)
+      arg(:in_reply_to_comment_id, :id)
       arg(:actor_id, non_null(:id))
 
       resolve(&Comment.create_comment/3)
     end
+
+    field :delete_comment, type: :comment do
+      arg(:comment_id, non_null(:id))
+      arg(:actor_id, non_null(:id))
+
+      resolve(&Comment.delete_comment/3)
+    end
   end
 end

lib/mobilizon_web/schema/event.ex

@@ -8,7 +8,7 @@ defmodule MobilizonWeb.Schema.EventType do
   import Absinthe.Resolution.Helpers, only: [dataloader: 1]
   import MobilizonWeb.Schema.Utils
 
-  alias Mobilizon.{Actors, Addresses}
+  alias Mobilizon.{Actors, Addresses, Events}
 
   alias MobilizonWeb.Resolvers.{Event, Picture, Tag}
 
@@ -78,6 +78,10 @@ defmodule MobilizonWeb.Schema.EventType do
       description: "Events related to this one"
     )
 
+    field(:comments, list_of(:comment), description: "The comments in reply to the event") do
+      resolve(dataloader(Events))
+    end
+
     # field(:tracks, list_of(:track))
     # field(:sessions, list_of(:session))
 

lib/mobilizon_web/schema/report.ex

@@ -71,8 +71,8 @@ defmodule MobilizonWeb.Schema.ReportType do
     @desc "Create a report"
     field :create_report, type: :report do
       arg(:content, :string)
-      arg(:reporter_actor_id, non_null(:id))
+      arg(:reporter_id, non_null(:id))
-      arg(:reported_actor_id, non_null(:id))
+      arg(:reported_id, non_null(:id))
       arg(:event_id, :id, default_value: nil)
       arg(:comments_ids, list_of(:id), default_value: [])
       resolve(&Report.create_report/3)

lib/service/activity_pub/activity_pub.ex

@@ -11,15 +11,18 @@ defmodule Mobilizon.Service.ActivityPub do
   import Mobilizon.Service.ActivityPub.Utils
   import Mobilizon.Service.ActivityPub.Visibility
 
-  alias Mobilizon.{Actors, Config, Events}
+  alias Mobilizon.{Actors, Config, Events, Reports, Users}
   alias Mobilizon.Actors.{Actor, Follower}
   alias Mobilizon.Events.{Comment, Event, Participant}
+  alias Mobilizon.Reports.Report
+  alias Mobilizon.Tombstone
   alias Mobilizon.Service.ActivityPub.{Activity, Converter, Convertible, Relay, Transmogrifier}
   alias Mobilizon.Service.{Federator, WebFinger}
   alias Mobilizon.Service.HTTPSignatures.Signature
   alias MobilizonWeb.API.Utils, as: APIUtils
   alias Mobilizon.Service.ActivityPub.Audience
   alias Mobilizon.Service.ActivityPub.Converter.Utils, as: ConverterUtils
+  alias MobilizonWeb.Email.{Admin, Mailer}
 
   require Logger
 
@@ -133,7 +136,8 @@ defmodule Mobilizon.Service.ActivityPub do
     Logger.debug("creating an activity")
     Logger.debug(inspect(args))
 
-    with {:ok, entity, create_data} <-
+    with {:tombstone, nil} <- {:tombstone, check_for_tombstones(args)},
+         {:ok, entity, create_data} <-
            (case type do
               :event -> create_event(args, additional)
               :comment -> create_comment(args, additional)
@@ -345,6 +349,8 @@ defmodule Mobilizon.Service.ActivityPub do
     }
 
     with {:ok, %Event{} = event} <- Events.delete_event(event),
+         {:ok, %Tombstone{} = _tombstone} <-
+           Tombstone.create_tombstone(%{uri: event.url, actor_id: actor.id}),
          {:ok, activity} <- create_activity(data, local),
          :ok <- maybe_federate(activity) do
       {:ok, activity, event}
@@ -361,6 +367,8 @@ defmodule Mobilizon.Service.ActivityPub do
     }
 
     with {:ok, %Comment{} = comment} <- Events.delete_comment(comment),
+         {:ok, %Tombstone{} = _tombstone} <-
+           Tombstone.create_tombstone(%{uri: comment.url, actor_id: actor.id}),
          {:ok, activity} <- create_activity(data, local),
          :ok <- maybe_federate(activity) do
       {:ok, activity, comment}
@@ -383,25 +391,25 @@ defmodule Mobilizon.Service.ActivityPub do
     end
   end
 
-  def flag(params) do
+  def flag(args, local \\ false, _additional \\ %{}) do
-    # only accept false as false value
+    with {:build_args, args} <- {:build_args, prepare_args_for_report(args)},
-    local = !(params[:local] == false)
+         {:create_report, {:ok, %Report{} = report}} <-
-    forward = !(params[:forward] == false)
+           {:create_report, Reports.create_report(args)},
-
+         report_as_data <- Convertible.model_to_as(report),
-    additional = params[:additional] || %{}
+         {:ok, activity} <- create_activity(report_as_data, local),
-
-    additional =
-      if forward do
-        Map.merge(additional, %{"to" => [], "cc" => [params.reported_actor_url]})
-      else
-        Map.merge(additional, %{"to" => [], "cc" => []})
-      end
-
-    with flag_data <- make_flag_data(params, additional),
-         {:ok, activity} <- create_activity(flag_data, local),
-         {:ok, object} <- insert_full_object(flag_data),
          :ok <- maybe_federate(activity) do
-      {:ok, activity, object}
+      Enum.each(Users.list_moderators(), fn moderator ->
+        moderator
+        |> Admin.report(report)
+        |> Mailer.deliver_later()
+      end)
+
+      {:ok, activity, report}
+    else
+      err ->
+        Logger.error("Something went wrong while creating an activity")
+        Logger.debug(inspect(err))
+        err
     end
   end
 
@@ -776,6 +784,10 @@ defmodule Mobilizon.Service.ActivityPub do
     end
   end
 
+  @spec check_for_tombstones(map()) :: Tombstone.t() | nil
+  defp check_for_tombstones(%{url: url}), do: Tombstone.find_tombstone(url)
+  defp check_for_tombstones(_), do: nil
+
   @spec update_event(Event.t(), map(), map()) ::
           {:ok, Event.t(), Activity.t()} | any()
   defp update_event(
@@ -930,7 +942,12 @@ defmodule Mobilizon.Service.ActivityPub do
              tags: tags,
              in_reply_to_comment: in_reply_to_comment,
              in_reply_to_comment_id:
-               if(is_nil(in_reply_to_comment), do: nil, else: Map.get(in_reply_to_comment, :id))
+               if(is_nil(in_reply_to_comment), do: nil, else: Map.get(in_reply_to_comment, :id)),
+             origin_comment_id:
+               if(is_nil(in_reply_to_comment),
+                 do: nil,
+                 else: Comment.get_thread_id(in_reply_to_comment)
+               )
            }) do
       args
     end
@@ -945,4 +962,27 @@ defmodule Mobilizon.Service.ActivityPub do
       %{args | preferred_username: preferred_username, summary: summary}
     end
   end
+
+  defp prepare_args_for_report(args) do
+    with {:reporter, %Actor{} = reporter_actor} <-
+           {:reporter, Actors.get_actor!(args.reporter_id)},
+         {:reported, %Actor{} = reported_actor} <-
+           {:reported, Actors.get_actor!(args.reported_id)},
+         content <- HtmlSanitizeEx.strip_tags(args.content),
+         event <- Events.get_comment(Map.get(args, :event_id)),
+         {:get_report_comments, comments} <-
+           {:get_report_comments,
+            Events.list_comments_by_actor_and_ids(
+              reported_actor.id,
+              Map.get(args, :comments_ids, [])
+            )} do
+      Map.merge(args, %{
+        reporter: reporter_actor,
+        reported: reported_actor,
+        content: content,
+        event: event,
+        comments: comments
+      })
+    end
+  end
 end

lib/service/activity_pub/converter/comment.ex

@@ -73,7 +73,7 @@ defmodule Mobilizon.Service.ActivityPub.Converter.Comment do
 
             # Anything else is kind of a MP
             {:error, parent} ->
-              Logger.debug("Parent object is something we don't handle")
+              Logger.warn("Parent object is something we don't handle")
               Logger.debug(inspect(parent))
               data
           end
@@ -95,7 +95,7 @@ defmodule Mobilizon.Service.ActivityPub.Converter.Comment do
   """
   @impl Converter
   @spec model_to_as(CommentModel.t()) :: map
-  def model_to_as(%CommentModel{} = comment) do
+  def model_to_as(%CommentModel{deleted_at: nil} = comment) do
     to =
       if comment.visibility == :public,
         do: ["https://www.w3.org/ns/activitystreams#Public"],
@@ -120,4 +120,17 @@ defmodule Mobilizon.Service.ActivityPub.Converter.Comment do
       object
     end
   end
+
+  @impl Converter
+  @spec model_to_as(CommentModel.t()) :: map
+  def model_to_as(%CommentModel{} = comment) do
+    %{
+      "type" => "Tombstone",
+      "uuid" => comment.uuid,
+      "id" => comment.url,
+      "published" => comment.inserted_at,
+      "updated" => comment.updated_at,
+      "deleted" => comment.deleted_at
+    }
+  end
 end

lib/service/activity_pub/converter/flag.ex

@@ -14,9 +14,16 @@ defmodule Mobilizon.Service.ActivityPub.Converter.Flag do
   alias Mobilizon.Events.Event
   alias Mobilizon.Reports.Report
   alias Mobilizon.Service.ActivityPub.Converter
+  alias Mobilizon.Service.ActivityPub.Convertible
 
   @behaviour Converter
 
+  defimpl Convertible, for: Report do
+    alias Mobilizon.Service.ActivityPub.Converter.Flag, as: FlagConverter
+
+    defdelegate model_to_as(report), to: FlagConverter
+  end
+
   @doc """
   Converts an AP object data to our internal data structure.
   """
@@ -35,18 +42,29 @@ defmodule Mobilizon.Service.ActivityPub.Converter.Flag do
     end
   end
 
+  @audience %{"to" => ["https://www.w3.org/ns/activitystreams#Public"], "cc" => []}
+
   @doc """
   Convert an event struct to an ActivityStream representation
   """
   @impl Converter
-  @spec model_to_as(EventModel.t()) :: map
+  @spec model_to_as(Report.t()) :: map
   def model_to_as(%Report{} = report) do
+    object = [report.reported.url] ++ Enum.map(report.comments, fn comment -> comment.url end)
+
+    object = if report.event, do: object ++ [report.event.url], else: object
+
+    audience =
+      if report.local, do: @audience, else: Map.put(@audience, "cc", [report.reported.url])
+
     %{
       "type" => "Flag",
-      "to" => ["https://www.w3.org/ns/activitystreams#Public"],
       "actor" => report.reporter.url,
-      "id" => report.url
+      "id" => report.url,
+      "content" => report.content,
+      "object" => object
     }
+    |> Map.merge(audience)
   end
 
   @spec as_to_model(map) :: map

lib/service/activity_pub/transmogrifier.ex

@@ -49,7 +49,8 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
     object
     |> Map.put("actor", object["attributedTo"])
     |> fix_attachments
-    |> fix_in_reply_to
+
+    # |> fix_in_reply_to
 
     # |> fix_tag
   end
@@ -127,16 +128,17 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
   def handle_incoming(%{"type" => "Flag"} = data) do
     with params <- Converter.Flag.as_to_model(data) do
       params = %{
-        reporter_url: params["reporter"].url,
+        reporter_id: params["reporter"].id,
-        reported_actor_url: params["reported"].url,
+        reported_id: params["reported"].id,
-        comments_url: params["comments"] |> Enum.map(& &1.url),
+        comments_ids: params["comments"] |> Enum.map(& &1.id),
         content: params["content"] || "",
         additional: %{
           "cc" => [params["reported"].url]
-        }
+        },
+        local: false
       }
 
-      ActivityPub.flag(params)
+      ActivityPub.flag(params, false)
     end
   end
 

lib/service/activity_pub/visibility.ex

@@ -8,6 +8,7 @@ defmodule Mobilizon.Service.ActivityPub.Visibility do
   Utility functions related to content visibility
   """
 
+  alias Mobilizon.Events.Comment
   alias Mobilizon.Service.ActivityPub.Activity
 
   @public "https://www.w3.org/ns/activitystreams#Public"
@@ -17,5 +18,6 @@ defmodule Mobilizon.Service.ActivityPub.Visibility do
   def is_public?(%{data: data}), do: is_public?(data)
   def is_public?(%Activity{data: data}), do: is_public?(data)
   def is_public?(data) when is_map(data), do: @public in (data["to"] ++ (data["cc"] || []))
+  def is_public?(%Comment{deleted_at: deleted_at}), do: !is_nil(deleted_at)
   def is_public?(err), do: raise(ArgumentError, message: "Invalid argument #{inspect(err)}")
 end

lib/service/formatter/formatter.ex

@@ -34,7 +34,12 @@ defmodule Mobilizon.Service.Formatter do
 
   def mention_handler("@" <> nickname, buffer, _opts, acc) do
     case Actors.get_actor_by_name(nickname) do
-      %Actor{id: id, url: url, preferred_username: preferred_username} = actor ->
+      %Actor{preferred_username: preferred_username} = actor ->
+        link = "<span class='h-card mention'>@<span>#{preferred_username}</span></span>"
+
+        {link, %{acc | mentions: MapSet.put(acc.mentions, {"@" <> nickname, actor})}}
+
+      %Actor{type: :Person, id: id, url: url, preferred_username: preferred_username} = actor ->
         link =
           "<span class='h-card'><a data-user='#{id}' class='u-url mention' href='#{url}'>@<span>#{
             preferred_username

lib/service/workers/build_search_worker.ex

@@ -19,7 +19,7 @@ defmodule Mobilizon.Service.Workers.BuildSearchWorker do
 
   def perform(%{"op" => "update_search_event", "event_id" => event_id}, _job) do
     with {:ok, %Event{} = event} <- Events.get_event_with_preload(event_id) do
-      update_search_event(event)
+      insert_search_event(event)
     end
   end
 
@@ -33,30 +33,12 @@ defmodule Mobilizon.Service.Workers.BuildSearchWorker do
             setweight(to_tsvector(unaccent(coalesce($4, ' '))), 'B') ||
             setweight(to_tsvector(unaccent($3)), 'C')
           )
-        );
+        ) ON CONFLICT (id) DO UPDATE SET title = $2, document = (
-      """,
+          SELECT
-      [
+            setweight(to_tsvector(unaccent($2)), 'A') ||
-        event.id,
+            setweight(to_tsvector(unaccent(coalesce($4, ' '))), 'B') ||
-        event.title,
+            setweight(to_tsvector(unaccent($3)), 'C')
-        HtmlSanitizeEx.strip_tags(event.description),
+          );
-        get_tags_string(event)
-      ]
-    )
-  end
-
-  def update_search_event(%Event{} = event) do
-    SQL.query(
-      Repo,
-      """
-        UPDATE event_search
-          SET document =
-            (SELECT
-              setweight(to_tsvector(unaccent($2)), 'A') ||
-              setweight(to_tsvector(unaccent(coalesce($4, ' '))), 'B') ||
-              setweight(to_tsvector(unaccent($3)), 'C')
-            ),
-          title = $2
-          WHERE id = $1;
       """,
       [
         event.id,

mix.exs

@@ -134,7 +134,6 @@ defmodule Mobilizon.Mixfile do
         "ecto.setup"
       ],
       test: [
-        "ecto.create --quiet",
         "ecto.migrate",
         &run_test/1
       ],

priv/repo/migrations/20181108165151_fix_comments_references.exs

@@ -19,8 +19,8 @@ defmodule Mobilizon.Repo.Migrations.FixCommentsReferences do
     drop(constraint(:comments, "comments_origin_comment_id_fkey"))
 
     alter table(:comments) do
-      modify(:in_reply_to_comment_id, references(:categories, on_delete: :nothing))
+      modify(:in_reply_to_comment_id, references(:comments, on_delete: :nothing))
-      modify(:origin_comment_id, references(:addresses, on_delete: :delete_all))
+      modify(:origin_comment_id, references(:comments, on_delete: :delete_all))
     end
   end
 end

priv/repo/migrations/20191114155534_cascade_comment_deletion.exs

@@ -0,0 +1,23 @@
+defmodule Mobilizon.Storage.Repo.Migrations.CascadeCommentDeletion do
+  use Ecto.Migration
+
+  def up do
+    drop(constraint(:comments, "comments_in_reply_to_comment_id_fkey"))
+    drop(constraint(:comments, "comments_origin_comment_id_fkey"))
+
+    alter table(:comments) do
+      modify(:in_reply_to_comment_id, references(:comments, on_delete: :nilify_all))
+      modify(:origin_comment_id, references(:comments, on_delete: :nilify_all))
+    end
+  end
+
+  def down do
+    drop(constraint(:comments, "comments_in_reply_to_comment_id_fkey"))
+    drop(constraint(:comments, "comments_origin_comment_id_fkey"))
+
+    alter table(:comments) do
+      modify(:in_reply_to_comment_id, references(:comments, on_delete: :nothing))
+      modify(:origin_comment_id, references(:comments, on_delete: :nothing))
+    end
+  end
+end

priv/repo/migrations/20191122154018_add_deleted_at_on_comments.exs

@@ -0,0 +1,21 @@
+defmodule Mobilizon.Storage.Repo.Migrations.AddDeletedAtOnComments do
+  use Ecto.Migration
+
+  def up do
+    drop_if_exists(constraint(:comments, "comments_actor_id_fkey"))
+
+    alter table(:comments) do
+      add(:deleted_at, :utc_datetime, null: true)
+      modify(:actor_id, references(:actors, on_delete: :nilify_all), null: true)
+    end
+  end
+
+  def down do
+    drop_if_exists(constraint(:comments, "comments_actor_id_fkey"))
+
+    alter table(:comments) do
+      remove(:deleted_at)
+      modify(:actor_id, references(:actors, on_delete: :nilify_all), null: false)
+    end
+  end
+end

priv/repo/migrations/20191126173510_add_local_field_to_reports.exs

@@ -0,0 +1,19 @@
+defmodule Mobilizon.Storage.Repo.Migrations.AddLocalFieldToReports do
+  use Ecto.Migration
+
+  def up do
+    alter table(:reports) do
+      add(:local, :boolean, default: true, null: false)
+    end
+
+    rename(table(:reports), :uri, to: :url)
+  end
+
+  def down do
+    alter table(:reports) do
+      remove(:local)
+    end
+
+    rename(table(:reports), :url, to: :uri)
+  end
+end

priv/repo/migrations/20191127163737_create_tombstones.exs

@@ -0,0 +1,14 @@
+defmodule Mobilizon.Repo.Migrations.CreateTombstones do
+  use Ecto.Migration
+
+  def change do
+    create table(:tombstones) do
+      add(:uri, :string)
+      add(:actor_id, references(:actors, on_delete: :delete_all))
+
+      timestamps()
+    end
+
+    create(unique_index(:tombstones, [:uri]))
+  end
+end

schema.graphql

@@ -1,5 +1,5 @@
 # source: http://localhost:4000/api
-# timestamp: Thu Nov 21 2019 15:58:08 GMT+0100 (Central European Standard Time)
+# timestamp: Fri Nov 22 2019 18:34:33 GMT+0100 (Central European Standard Time)
 
 schema {
   query: RootQueryType
@@ -157,13 +157,22 @@ input AddressInput {
 
 """A comment"""
 type Comment {
+  actor: Person
+  deletedAt: DateTime
+  event: Event
+
   """Internal ID for this comment"""
   id: ID
+  inReplyToComment: Comment
+  insertedAt: DateTime
   local: Boolean
+  originComment: Comment
   primaryLanguage: String
   replies: [Comment]
   text: String
   threadLanguages: [String]!
+  totalReplies: Int
+  updatedAt: DateTime
   url: String
   uuid: UUID
   visibility: CommentVisibility
@@ -259,6 +268,9 @@ type Event implements ActionLogObject {
   """The event's category"""
   category: String
 
+  """The comments in reply to the event"""
+  comments: [Comment]
+
   """When the event was created"""
   createdAt: DateTime
 
@@ -845,7 +857,7 @@ input PictureInputObject {
 }
 
 """
-The `Point` scalar type represents Point geographic information compliant string data, 
+The `Point` scalar type represents Point geographic information compliant string data,
 represented as floats separated by a semi-colon. The geodetic system is WGS 84
 """
 scalar Point
@@ -933,7 +945,7 @@ type RootMutationType {
   changePassword(newPassword: String!, oldPassword: String!): User
 
   """Create a comment"""
-  createComment(actorId: ID!, text: String!): Comment
+  createComment(actorId: ID!, eventId: ID, inReplyToCommentId: ID, text: String!): Comment
 
   """Create an event"""
   createEvent(
@@ -1018,6 +1030,7 @@ type RootMutationType {
 
   """Create an user"""
   createUser(email: String!, locale: String, password: String!): User
+  deleteComment(actorId: ID!, commentId: ID!): DeletedObject
 
   """Delete an event"""
   deleteEvent(actorId: ID!, eventId: ID!): DeletedObject
@@ -1208,6 +1221,9 @@ type RootQueryType {
   """Get the list of tags"""
   tags(limit: Int = 10, page: Int = 1): [Tag]!
 
+  """Get replies for thread"""
+  thread(id: ID): [Comment]
+
   """Get an user"""
   user(id: ID!): User
 

test/mobilizon/events/events_test.exs

@@ -581,7 +581,7 @@ defmodule Mobilizon.EventsTest do
     test "delete_comment/1 deletes the comment" do
       comment = insert(:comment)
       assert {:ok, %Comment{}} = Events.delete_comment(comment)
-      assert_raise Ecto.NoResultsError, fn -> Events.get_comment!(comment.id) end
+      refute is_nil(Events.get_comment!(comment.id).deleted_at)
     end
   end
 end

test/mobilizon/service/activity_pub/activity_pub_test.exs

@@ -148,13 +148,14 @@ defmodule Mobilizon.Service.ActivityPub.ActivityPubTest do
     test "it creates a delete activity and deletes the original comment" do
       comment = insert(:comment)
       comment = Events.get_comment_from_url_with_preload!(comment.url)
+      assert is_nil(Events.get_comment_from_url(comment.url).deleted_at)
       {:ok, delete, _} = ActivityPub.delete(comment)
 
       assert delete.data["type"] == "Delete"
       assert delete.data["actor"] == comment.actor.url
       assert delete.data["object"] == comment.url
 
-      assert Events.get_comment_from_url(comment.url) == nil
+      refute is_nil(Events.get_comment_from_url(comment.url).deleted_at)
     end
   end
 

test/mobilizon/service/activity_pub/transmogrifier_test.exs

@@ -91,31 +91,50 @@ defmodule Mobilizon.Service.ActivityPub.TransmogrifierTest do
     #   assert activity == returned_activity.data
     # end
 
-    # test "it fetches replied-to activities if we don't have them" do
+    test "it fetches replied-to activities if we don't have them" do
-    #   data =
+      data =
-    #     File.read!("test/fixtures/mastodon-post-activity.json")
+        File.read!("test/fixtures/mastodon-post-activity.json")
-    #     |> Jason.decode!()
+        |> Jason.decode!()
 
-    #   object =
+      object =
-    #     data["object"]
+        data["object"]
-    #     |> Map.put("inReplyTo", "https://shitposter.club/notice/2827873")
+        |> Map.put("inReplyTo", "https://blob.cat/objects/02fdea3d-932c-4348-9ecb-3f9eb3fbdd94")
 
-    #   data =
+      data =
-    #     data
+        data
-    #     |> Map.put("object", object)
+        |> Map.put("object", object)
 
-    #   {:ok, returned_activity, _} = Transmogrifier.handle_incoming(data)
+      {:ok, returned_activity, _} = Transmogrifier.handle_incoming(data)
 
-    #   assert activity =
+      %Comment{} =
-    #            Activity.get_create_activity_by_object_ap_id(
+        origin_comment =
-    #              "tag:shitposter.club,2017-05-05:noticeId=2827873:objectType=comment"
+        Events.get_comment_from_url(
-    #            )
+          "https://blob.cat/objects/02fdea3d-932c-4348-9ecb-3f9eb3fbdd94"
+        )
 
-    #   assert returned_activity.data["object"]["inReplyToAtomUri"] ==
+      assert returned_activity.data["object"]["inReplyTo"] ==
-    #            "https://shitposter.club/notice/2827873"
+               "https://blob.cat/objects/02fdea3d-932c-4348-9ecb-3f9eb3fbdd94"
 
-    #   assert returned_activity.data["object"]["inReplyToStatusId"] == activity.id
+      assert returned_activity.data["object"]["inReplyTo"] == origin_comment.url
-    # end
+    end
+
+    test "it does not crash if the object in inReplyTo can't be fetched" do
+      data =
+        File.read!("test/fixtures/mastodon-post-activity.json")
+        |> Poison.decode!()
+
+      object =
+        data["object"]
+        |> Map.put("inReplyTo", "https://404.site/whatever")
+
+      data =
+        data
+        |> Map.put("object", object)
+
+      assert ExUnit.CaptureLog.capture_log([level: :warn], fn ->
+               {:ok, _returned_activity, _entity} = Transmogrifier.handle_incoming(data)
+             end) =~ "[warn] Parent object is something we don't handle"
+    end
 
     test "it works for incoming notices" do
       use_cassette "activity_pub/mastodon_post_activity" do
@@ -440,10 +459,11 @@ defmodule Mobilizon.Service.ActivityPub.TransmogrifierTest do
         |> Map.put("actor", actor_url)
 
       assert Events.get_comment_from_url(comment_url)
+      assert is_nil(Events.get_comment_from_url(comment_url).deleted_at)
 
       {:ok, %Activity{local: false}, _} = Transmogrifier.handle_incoming(data)
 
-      refute Events.get_comment_from_url(comment_url)
+      refute is_nil(Events.get_comment_from_url(comment_url).deleted_at)
     end
 
     #     TODO : make me ASAP

test/mobilizon/service/formatter/formatter_test.exs

@@ -117,37 +117,32 @@ defmodule Mobilizon.Service.FormatterTest do
   describe "add_user_links" do
     test "gives a replacement for user links, using local nicknames in user links text" do
       text = "@gsimg According to @archa_eme_, that is @daggsy. Also hello @archaeme@archae.me"
-      gsimg = insert(:actor, preferred_username: "gsimg")
+      _gsimg = insert(:actor, preferred_username: "gsimg")
 
-      archaeme =
+      _archaeme =
         insert(:actor, preferred_username: "archa_eme_", url: "https://archeme/@archa_eme_")
 
-      archaeme_remote = insert(:actor, preferred_username: "archaeme", domain: "archae.me")
+      _archaeme_remote = insert(:actor, preferred_username: "archaeme", domain: "archae.me")
 
       {text, mentions, []} = Formatter.linkify(text)
 
       assert length(mentions) == 3
 
       expected_text =
-        "<span class='h-card'><a data-user='#{gsimg.id}' class='u-url mention' href='#{gsimg.url}'>@<span>gsimg</span></a></span> According to <span class='h-card'><a data-user='#{
+        "<span class='h-card mention'>@<span>gsimg</span></span> According to <span class='h-card mention'>@<span>archa_eme_</span></span>, that is @daggsy. Also hello <span class='h-card mention'>@<span>archaeme</span></span>"
-          archaeme.id
-        }' class='u-url mention' href='#{"https://archeme/@archa_eme_"}'>@<span>archa_eme_</span></a></span>, that is @daggsy. Also hello <span class='h-card'><a data-user='#{
-          archaeme_remote.id
-        }' class='u-url mention' href='#{archaeme_remote.url}'>@<span>archaeme</span></a></span>"
 
       assert expected_text == text
     end
 
     test "gives a replacement for single-character local nicknames" do
       text = "@o hi"
-      o = insert(:actor, preferred_username: "o")
+      _o = insert(:actor, preferred_username: "o")
 
       {text, mentions, []} = Formatter.linkify(text)
 
       assert length(mentions) == 1
 
-      expected_text =
+      expected_text = "<span class='h-card mention'>@<span>o</span></span> hi"
-        "<span class='h-card'><a data-user='#{o.id}' class='u-url mention' href='#{o.url}'>@<span>o</span></a></span> hi"
 
       assert expected_text == text
     end

test/mobilizon_web/api/report_test.exs

@@ -7,7 +7,6 @@ defmodule MobilizonWeb.API.ReportTest do
   alias Mobilizon.Events.{Comment, Event}
   alias Mobilizon.Reports.{Note, Report}
   alias Mobilizon.Service.ActivityPub.Activity
-  alias Mobilizon.Service.Formatter
   alias Mobilizon.Users
   alias Mobilizon.Users.User
 
@@ -24,11 +23,12 @@ defmodule MobilizonWeb.API.ReportTest do
 
       assert {:ok, %Activity{} = flag_activity, _} =
                Reports.report(%{
-                 reporter_actor_id: reporter_id,
+                 reporter_id: reporter_id,
-                 reported_actor_id: reported_id,
+                 reported_id: reported_id,
                  content: comment,
                  event_id: event_id,
-                 comments_ids: []
+                 comments_ids: [],
+                 local: true
                })
 
       assert %Activity{
@@ -37,8 +37,7 @@ defmodule MobilizonWeb.API.ReportTest do
                  "type" => "Flag",
                  "cc" => [],
                  "content" => ^comment,
-                 "object" => [^reported_url, ^event_url],
+                 "object" => [^reported_url, ^event_url]
-                 "state" => "open"
                }
              } = flag_activity
     end
@@ -57,8 +56,8 @@ defmodule MobilizonWeb.API.ReportTest do
 
       assert {:ok, %Activity{} = flag_activity, _} =
                Reports.report(%{
-                 reporter_actor_id: reporter_id,
+                 reporter_id: reporter_id,
-                 reported_actor_id: reported_id,
+                 reported_id: reported_id,
                  content: comment,
                  event_id: nil,
                  comments_ids: [comment_1_id, comment_2_id]
@@ -68,10 +67,11 @@ defmodule MobilizonWeb.API.ReportTest do
                actor: ^reporter_url,
                data: %{
                  "type" => "Flag",
-                 "cc" => [],
                  "content" => ^comment,
                  "object" => [^reported_url, ^comment_1_url, ^comment_2_url],
-                 "state" => "open"
+                 "to" => ["https://www.w3.org/ns/activitystreams#Public"],
+                 "cc" => [],
+                 "actor" => ^reporter_url
                }
              } = flag_activity
     end
@@ -87,16 +87,16 @@ defmodule MobilizonWeb.API.ReportTest do
         _comment_2 = insert(:comment, actor: reported)
 
       comment = "This is really not acceptable, remote admin I don't know"
-      encoded_comment = Formatter.html_escape(comment, "text/plain")
+      encoded_comment = HtmlSanitizeEx.strip_tags(comment)
 
       assert {:ok, %Activity{} = flag_activity, _} =
                Reports.report(%{
-                 reporter_actor_id: reporter_id,
+                 reporter_id: reporter_id,
-                 reported_actor_id: reported_id,
+                 reported_id: reported_id,
                  content: comment,
                  event_id: nil,
                  comments_ids: [comment_1_id, comment_2_id],
-                 forward: true
+                 local: false
                })
 
       assert %Activity{
@@ -107,8 +107,10 @@ defmodule MobilizonWeb.API.ReportTest do
                  "cc" => [^reported_url],
                  "content" => ^encoded_comment,
                  "object" => [^reported_url, ^comment_1_url, ^comment_2_url],
-                 "state" => "open"
+                 "to" => ["https://www.w3.org/ns/activitystreams#Public"]
-               }
+               },
+               local: true,
+               recipients: ["https://www.w3.org/ns/activitystreams#Public", ^reported_url]
              } = flag_activity
     end
 
@@ -120,8 +122,8 @@ defmodule MobilizonWeb.API.ReportTest do
 
       assert {:ok, %Activity{} = flag_activity, %Report{id: report_id} = _report} =
                Reports.report(%{
-                 reporter_actor_id: reporter_id,
+                 reporter_id: reporter_id,
-                 reported_actor_id: reported_id,
+                 reported_id: reported_id,
                  content: "This is not a nice thing",
                  event_id: nil,
                  comments_ids: [comment_1_id],
@@ -146,8 +148,8 @@ defmodule MobilizonWeb.API.ReportTest do
 
       assert {:ok, %Activity{} = flag_activity, %Report{id: report_id} = _report} =
                Reports.report(%{
-                 reporter_actor_id: reporter_id,
+                 reporter_id: reporter_id,
-                 reported_actor_id: reported_id,
+                 reported_id: reported_id,
                  content: "This is not a nice thing",
                  event_id: nil,
                  comments_ids: [comment_1_id],

test/mobilizon_web/resolvers/comment_resolver_test.exs

@@ -8,12 +8,42 @@ defmodule MobilizonWeb.Resolvers.CommentResolverTest do
   setup %{conn: conn} do
     user = insert(:user)
     actor = insert(:actor, user: user)
+    event = insert(:event)
 
-    {:ok, conn: conn, actor: actor, user: user}
+    {:ok, conn: conn, actor: actor, user: user, event: event}
   end
 
   describe "Comment Resolver" do
-    test "create_comment/3 creates a comment", %{conn: conn, actor: actor, user: user} do
+    test "create_comment/3 creates a comment", %{
+      conn: conn,
+      actor: actor,
+      user: user,
+      event: event
+    } do
+      mutation = """
+          mutation {
+              createComment(
+                  text: "#{@comment.text}",
+                  actor_id: "#{actor.id}",
+                  event_id: "#{event.id}"
+              ) {
+                text,
+                uuid
+              }
+            }
+      """
+
+      res =
+        conn
+        |> auth_conn(user)
+        |> AbsintheHelpers.graphql_query(query: mutation, variables: %{})
+
+      assert res["data"]["createComment"]["text"] == @comment.text
+    end
+
+    test "create_comment/3 checks that user owns actor", %{conn: conn, user: user} do
+      actor = insert(:actor)
+
       mutation = """
           mutation {
               createComment(
@@ -29,9 +59,202 @@ defmodule MobilizonWeb.Resolvers.CommentResolverTest do
       res =
         conn
         |> auth_conn(user)
-        |> post("/api", AbsintheHelpers.mutation_skeleton(mutation))
+        |> AbsintheHelpers.graphql_query(query: mutation, variables: %{})
 
-      assert json_response(res, 200)["data"]["createComment"]["text"] == @comment.text
+      assert hd(res["errors"])["message"] ==
+               "Actor id is not owned by authenticated user"
+    end
+
+    test "create_comment/3 requires that the user needs to be authenticated", %{conn: conn} do
+      actor = insert(:actor)
+
+      mutation = """
+          mutation {
+              createComment(
+                  text: "#{@comment.text}",
+                  actor_id: "#{actor.id}"
+              ) {
+                text,
+                uuid
+              }
+            }
+      """
+
+      res =
+        conn
+        |> AbsintheHelpers.graphql_query(query: mutation, variables: %{})
+
+      assert hd(res["errors"])["message"] ==
+               "You are not allowed to create a comment if not connected"
+    end
+
+    test "create_comment/3 creates a reply to a comment", %{
+      conn: conn,
+      actor: actor,
+      user: user,
+      event: event
+    } do
+      comment = insert(:comment)
+
+      mutation = """
+          mutation {
+              createComment(
+                  text: "#{@comment.text}",
+                  actor_id: "#{actor.id}",
+                  event_id: "#{event.id}",
+                  in_reply_to_comment_id: "#{comment.id}"
+              ) {
+                id,
+                text,
+                uuid,
+                in_reply_to_comment {
+                  id,
+                  text
+                }
+              }
+            }
+      """
+
+      res =
+        conn
+        |> auth_conn(user)
+        |> AbsintheHelpers.graphql_query(query: mutation, variables: %{})
+
+      assert res["errors"] == nil
+      assert res["data"]["createComment"]["text"] == @comment.text
+      uuid = res["data"]["createComment"]["uuid"]
+
+      assert res["data"]["createComment"]["in_reply_to_comment"]["id"] ==
+               to_string(comment.id)
+
+      query = """
+        query {
+          thread(id: #{comment.id}) {
+            text,
+            uuid
+          }
+        }
+      """
+
+      res =
+        conn
+        |> auth_conn(user)
+        |> AbsintheHelpers.graphql_query(query: query, variables: %{})
+
+      assert res["errors"] == nil
+      assert res["data"]["thread"] == [%{"uuid" => uuid, "text" => @comment.text}]
+    end
+
+    @delete_comment """
+      mutation DeleteComment($commentId: ID!, $actorId: ID!) {
+        deleteComment(commentId: $commentId, actorId: $actorId) {
+          id,
+          deletedAt
+        }
+      }
+    """
+
+    test "deletes a comment", %{conn: conn, user: user, actor: actor} do
+      comment = insert(:comment, actor: actor)
+
+      res =
+        conn
+        |> AbsintheHelpers.graphql_query(
+          query: @delete_comment,
+          variables: %{commentId: comment.id, actorId: actor.id}
+        )
+
+      assert hd(res["errors"])["message"] ==
+               "You are not allowed to delete a comment if not connected"
+
+      actor2 = insert(:actor, user: user)
+
+      res =
+        conn
+        |> auth_conn(user)
+        |> AbsintheHelpers.graphql_query(
+          query: @delete_comment,
+          variables: %{commentId: comment.id, actorId: actor2.id}
+        )
+
+      assert hd(res["errors"])["message"] ==
+               "You cannot delete this comment"
+
+      res =
+        conn
+        |> auth_conn(user)
+        |> AbsintheHelpers.graphql_query(
+          query: @delete_comment,
+          variables: %{commentId: comment.id, actorId: actor.id}
+        )
+
+      assert res["errors"] == nil
+      assert res["data"]["deleteComment"]["id"] == to_string(comment.id)
+      refute is_nil(res["data"]["deleteComment"]["deletedAt"])
+    end
+
+    test "delete_comment/3 allows a comment being deleted by a moderator and creates a entry in actionLogs",
+         %{
+           conn: conn,
+           user: _user,
+           actor: _actor
+         } do
+      user_moderator = insert(:user, role: :moderator)
+      actor_moderator = insert(:actor, user: user_moderator)
+
+      actor2 = insert(:actor)
+      comment = insert(:comment, actor: actor2)
+
+      res =
+        conn
+        |> auth_conn(user_moderator)
+        |> AbsintheHelpers.graphql_query(
+          query: @delete_comment,
+          variables: %{commentId: comment.id, actorId: actor_moderator.id}
+        )
+
+      assert res["data"]["deleteComment"]["id"] == to_string(comment.id)
+
+      query = """
+      {
+        actionLogs {
+          action,
+          actor {
+            preferredUsername
+          },
+          object {
+            ... on Report {
+              id,
+              status
+            },
+            ... on ReportNote {
+              content
+            }
+            ... on Event {
+              id,
+              title
+            },
+            ... on Comment {
+              id,
+              text
+            }
+          }
+        }
+      }
+      """
+
+      res =
+        conn
+        |> auth_conn(user_moderator)
+        |> get("/api", AbsintheHelpers.query_skeleton(query, "actionLogs"))
+
+      refute json_response(res, 200)["errors"]
+
+      assert hd(json_response(res, 200)["data"]["actionLogs"]) == %{
+               "action" => "COMMENT_DELETION",
+               "actor" => %{"preferredUsername" => actor_moderator.preferred_username},
+               "object" => %{"text" => comment.text, "id" => to_string(comment.id)}
+             }
     end
   end
 end

test/mobilizon_web/resolvers/report_resolver_test.exs

@@ -20,8 +20,8 @@ defmodule MobilizonWeb.Resolvers.ReportResolverTest do
       mutation = """
           mutation {
             createReport(
-              reporter_actor_id: #{reporter.id},
+              reporter_id: #{reporter.id},
-              reported_actor_id: #{reported.id},
+              reported_id: #{reported.id},
               event_id: #{event.id},
               content: "This is an issue"
             ) {
@@ -57,8 +57,8 @@ defmodule MobilizonWeb.Resolvers.ReportResolverTest do
       mutation = """
           mutation {
             createReport(
-              reported_actor_id: #{reported.id},
+              reported_id: #{reported.id},
-              reporter_actor_id: 5,
+              reporter_id: 5,
               content: "This is an issue"
             ) {
                 content

test/support/factory.ex

@@ -224,7 +224,7 @@ defmodule Mobilizon.Factory do
     %Mobilizon.Reports.Report{
       content: "This is problematic",
       status: :open,
-      uri: "http://mobilizon.test/report/deae1020-54b8-47df-9eea-d8c0e943e57f/activity",
+      url: "http://mobilizon.test/report/deae1020-54b8-47df-9eea-d8c0e943e57f/activity",
       reported: build(:actor),
       reporter: build(:actor),
       event: build(:event),