admin: Add availability to delete comments one by one.

adminstuds.php

@@ -55,6 +55,7 @@ if (!$poll) {
 // -------------------------------
 // Update poll info
 // -------------------------------
+
 if (isset($_POST['update_poll_info'])) {
     $updated = false;
     $field = $inputService->filterAllowedValues($_POST['update_poll_info'], ['title', 'admin_mail', 'comment', 'rules']);
@@ -107,6 +108,19 @@ if (isset($_POST['update_poll_info'])) {
     }
 }
 
+// -------------------------------
+// Delete a comment
+// -------------------------------
+if (!empty($_POST['delete_comment'])) {
+    $comment_id = filter_input(INPUT_POST, 'delete_comment', FILTER_VALIDATE_INT);
+
+    if ($pollService->deleteComment($poll_id, $comment_id)) {
+        $message = new Message('success', _('Comment deleted.'));
+    } else {
+        $message = new Message('danger', _('Failed to delete the comment.'));
+    }
+}
+
 // Retrieve data
 $slots = $pollService->allSlotsByPollId($poll_id);
 $votes = $pollService->allUserVotesByPollId($poll_id);

app/classes/Framadate/FramaDB.php

@@ -112,4 +112,9 @@ class FramaDB
         return $prepared->execute([$poll_id, $name, $comment]);
     }
 
+    function deleteComment($poll_id, $comment_id) {
+        $prepared = $this->prepare('DELETE FROM comments WHERE id_sondage = ? AND id_comment = ?');
+        return $prepared->execute([$poll_id, $comment_id]);
+    }
+
 }

app/classes/Framadate/Services/PollService.php

@@ -64,6 +64,10 @@ class PollService {
         return $this->connect->insertComment($poll_id, $name, $comment);
     }
 
+    function deleteComment($poll_id, $comment_id) {
+        return $this->connect->deleteComment($poll_id, $comment_id);
+    }
+
     function computeBestMoments($votes) {
         $result = [];
         foreach ($votes as $vote) {

tpl/part/comments.tpl

@@ -1,10 +1,15 @@
 <hr role="presentation" id="comments"/>
+<form action="#comments" method="POST">
 
     {* Comment list *}
 
     {if $comments|count > 0}
+        <h3>{_("Comments of polled people")}</h3>
         {foreach $comments as $comment}
             <div class="comment">
+                {if $admin}
+                    <button type="submit" name="delete_comment" value="{$comment->id_comment}" class="btn btn-link" title="{_('Remove the comment')}"><span class="glyphicon glyphicon-remove text-danger"></span><span class="sr-only">{_('Remove')}</span></button>
+                {/if}
                 <b>{$comment->usercomment}</b>&nbsp;
                 <span class="comment">{nl2br($comment->comment)}</span>
             </div>
@@ -14,7 +19,6 @@
     {* Add comment form *}
     {if $active}
         <div class="hidden-print alert alert-info">
-    <form action="{$poll_id|poll_url}#comments" method="POST">
             <div class="col-md-6 col-md-offset-3">
                 <fieldset id="add-comment"><legend>{_("Add a comment to the poll")}</legend>
                     <div class="form-group">
@@ -31,6 +35,6 @@
                 </fieldset>
             </div>
             <div class="clearfix"></div>
-    </form>
         </div>
     {/if}
+</form>