mobilizon.chapril.org-mobil.../js/src/views/Discussions/Discussion.vue

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<template>
<div class="container section" v-if="discussion">
<nav class="breadcrumb" aria-label="breadcrumbs">
<ul>
<li>
<router-link :to="{ name: RouteName.MY_GROUPS }">{{ $t("My groups") }}</router-link>
</li>
<li>
<router-link
v-if="discussion.actor"
:to="{
name: RouteName.GROUP,
params: { preferredUsername: usernameWithDomain(discussion.actor) },
}"
>{{ discussion.actor.name }}</router-link
>
<b-skeleton v-else animated />
</li>
<li>
<router-link
v-if="discussion.actor"
:to="{
name: RouteName.DISCUSSION_LIST,
params: { preferredUsername: usernameWithDomain(discussion.actor) },
}"
>{{ $t("Discussions") }}</router-link
>
<b-skeleton animated v-else />
</li>
<li class="is-active">
<router-link :to="{ name: RouteName.DISCUSSION, params: { id: discussion.id } }">{{
discussion.title
}}</router-link>
</li>
</ul>
</nav>
<section>
<div class="discussion-title">
<h2 class="title" v-if="discussion.title && !editTitleMode">
{{ discussion.title }}
<span
@click="
() => {
newTitle = discussion.title;
editTitleMode = true;
}
"
>
<b-icon icon="pencil" />
</span>
</h2>
<b-skeleton v-else-if="!editTitleMode" height="50px" animated />
<form v-else @submit.prevent="updateDiscussion" class="title-edit">
<b-input :value="discussion.title" v-model="newTitle" />
<div class="buttons">
<b-button type="is-primary" native-type="submit" icon-right="check" />
<b-button
@click="
() => {
editTitleMode = false;
newTitle = '';
}
"
icon-right="close"
/>
<b-button
@click="deleteConversation"
type="is-danger"
native-type="button"
icon-left="delete"
>{{ $t("Delete conversation") }}</b-button
>
</div>
</form>
</div>
<discussion-comment
v-for="comment in discussion.comments.elements"
:key="comment.id"
:comment="comment"
/>
<b-button
v-if="discussion.comments.elements.length < discussion.comments.total"
@click="loadMoreComments"
>{{ $t("Fetch more") }}</b-button
>
<form @submit.prevent="reply">
<b-field :label="$t('Text')">
<editor v-model="newComment" />
</b-field>
<b-button native-type="submit" type="is-primary">{{ $t("Reply") }}</b-button>
</form>
</section>
</div>
</template>
<script lang="ts">
import { Component, Prop, Vue } from "vue-property-decorator";
import {
GET_DISCUSSION,
REPLY_TO_DISCUSSION,
UPDATE_DISCUSSION,
DELETE_DISCUSSION,
DISCUSSION_COMMENT_CHANGED,
} from "@/graphql/discussion";
import { IDiscussion, Discussion } from "@/types/discussions";
import { usernameWithDomain } from "@/types/actor";
import DiscussionComment from "@/components/Discussion/DiscussionComment.vue";
import { GraphQLError } from "graphql";
import RouteName from "../../router/name";
import { IComment } from "../../types/comment.model";
@Component({
apollo: {
discussion: {
query: GET_DISCUSSION,
variables() {
return {
slug: this.slug,
page: 1,
limit: this.COMMENTS_PER_PAGE,
};
},
skip() {
return !this.slug;
},
error({ graphQLErrors }) {
this.handleErrors(graphQLErrors);
},
update: (data) => new Discussion(data.discussion),
subscribeToMore: {
document: DISCUSSION_COMMENT_CHANGED,
variables() {
return {
slug: this.slug,
};
},
updateQuery: (previousResult, { subscriptionData }) => {
const previousDiscussion = previousResult.discussion;
console.log("updating subscription with ", subscriptionData);
if (
!previousDiscussion.comments.elements.find(
(comment: IComment) =>
comment.id === subscriptionData.data.discussionCommentChanged.lastComment.id
)
) {
previousDiscussion.lastComment =
subscriptionData.data.discussionCommentChanged.lastComment;
previousDiscussion.comments.elements.push(
subscriptionData.data.discussionCommentChanged.lastComment
);
previousDiscussion.comments.total += 1;
}
return previousDiscussion;
},
},
},
},
components: {
DiscussionComment,
editor: () => import(/* webpackChunkName: "editor" */ "@/components/Editor.vue"),
},
metaInfo() {
return {
// eslint-disable-next-line @typescript-eslint/ban-ts-ignore
// @ts-ignore
title: this.discussion.title,
// all titles will be injected into this template
titleTemplate: "%s | Mobilizon",
};
},
})
export default class discussion extends Vue {
@Prop({ type: String, required: true }) slug!: string;
discussion: IDiscussion = new Discussion();
newComment = "";
newTitle = "";
editTitleMode = false;
page = 1;
hasMoreComments = true;
COMMENTS_PER_PAGE = 10;
RouteName = RouteName;
usernameWithDomain = usernameWithDomain;
async reply() {
await this.$apollo.mutate({
mutation: REPLY_TO_DISCUSSION,
variables: {
discussionId: this.discussion.id,
text: this.newComment,
},
update: (store, { data: { replyToDiscussion } }) => {
const discussionData = store.readQuery<{
discussion: IDiscussion;
}>({
query: GET_DISCUSSION,
variables: {
slug: this.slug,
page: this.page,
},
});
if (!discussionData) return;
const { discussion } = discussionData;
discussion.lastComment = replyToDiscussion.lastComment;
discussion.comments.elements.push(replyToDiscussion.lastComment);
discussion.comments.total += 1;
store.writeQuery({
query: GET_DISCUSSION,
variables: { slug: this.slug, page: this.page },
data: { discussion },
});
},
// We don't need to handle cache update since there's the subscription that handles this for us
});
this.newComment = "";
}
async loadMoreComments() {
if (!this.hasMoreComments) return;
this.page += 1;
try {
await this.$apollo.queries.discussion.fetchMore({
// New variables
variables: {
slug: this.slug,
page: this.page,
limit: this.COMMENTS_PER_PAGE,
},
// Transform the previous result with new data
updateQuery: (previousResult, { fetchMoreResult }) => {
if (!fetchMoreResult) return previousResult;
const newComments = fetchMoreResult.discussion.comments.elements;
this.hasMoreComments = newComments.length === 1;
const { discussion } = previousResult;
discussion.comments.elements = [
...previousResult.discussion.comments.elements,
...newComments,
];
return { discussion };
},
});
} catch (e) {
console.error(e);
}
}
async updateDiscussion() {
await this.$apollo.mutate({
mutation: UPDATE_DISCUSSION,
variables: {
discussionId: this.discussion.id,
title: this.newTitle,
},
update: (store, { data: { updateDiscussion } }) => {
const discussionData = store.readQuery<{
discussion: IDiscussion;
}>({
query: GET_DISCUSSION,
variables: {
slug: this.slug,
page: this.page,
},
});
if (!discussionData) return;
const { discussion } = discussionData;
discussion.title = updateDiscussion.title;
store.writeQuery({
query: GET_DISCUSSION,
variables: { slug: this.slug, page: this.page },
data: { discussion },
});
},
});
this.editTitleMode = false;
}
async deleteConversation() {
await this.$apollo.mutate({
mutation: DELETE_DISCUSSION,
variables: {
discussionId: this.discussion.id,
},
});
if (this.discussion.actor) {
return this.$router.push({
name: RouteName.DISCUSSION_LIST,
params: { preferredUsername: usernameWithDomain(this.discussion.actor) },
});
}
}
async handleErrors(errors: GraphQLError[]) {
if (errors[0].message.includes("No such discussion")) {
await this.$router.push({ name: RouteName.PAGE_NOT_FOUND });
}
}
mounted() {
window.addEventListener("scroll", this.handleScroll);
}
destroyed() {
window.removeEventListener("scroll", this.handleScroll);
}
handleScroll() {
const scrollTop =
(document.documentElement && document.documentElement.scrollTop) || document.body.scrollTop;
const scrollHeight =
(document.documentElement && document.documentElement.scrollHeight) ||
document.body.scrollHeight;
const clientHeight = document.documentElement.clientHeight || window.innerHeight;
const scrolledToBottom = Math.ceil(scrollTop + clientHeight + 800) >= scrollHeight;
if (scrolledToBottom) {
this.loadMoreComments();
}
}
}
</script>
<style lang="scss" scoped>
div.container.section {
background: white;
padding: 1rem 5% 4rem;
div.discussion-title {
margin-bottom: 0.75rem;
h2.title {
span {
cursor: pointer;
}
}
form.title-edit {
div.control {
margin-bottom: 0.75rem;
}
}
}
}
</style>