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<title>[BuddyPress][8945] trunk/src/bp-blogs: Do not use `get_comments()` with `fields=ids` parameter.</title>
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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://buddypress.trac.wordpress.org/changeset/8945">8945</a></dd>
<dt>Author</dt> <dd>r-a-y</dd>
<dt>Date</dt> <dd>2014-08-18 17:32:37 +0000 (Mon, 18 Aug 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>Do not use `get_comments()` with `fields=ids` parameter.
`fields=ids` is only supported in WordPress 4.0:
https://core.trac.wordpress.org/ticket/28434
This was causing unit test failures in older versions of WordPress.
To workaround this, this commit introduces `bp_blogs_comments_clauses_select_by_id()`,
which is used as a filter so we can select comments by the `comment_ID`
column only and is an alternative to the `fields=ids` approach.
Fixes <a href="http://buddypress.trac.wordpress.org/ticket/5609">#5609</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcbpblogsbpblogsfiltersphp">trunk/src/bp-blogs/bp-blogs-filters.php</a></li>
<li><a href="#trunksrcbpblogsbpblogsfunctionsphp">trunk/src/bp-blogs/bp-blogs-functions.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcbpblogsbpblogsfiltersphp"></a>
<div class="modfile"><h4>Modified: trunk/src/bp-blogs/bp-blogs-filters.php (8944 => 8945)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/bp-blogs/bp-blogs-filters.php 2014-08-18 16:51:11 UTC (rev 8944)
+++ trunk/src/bp-blogs/bp-blogs-filters.php 2014-08-18 17:32:37 UTC (rev 8945)
</span><span class="lines">@@ -36,3 +36,19 @@
</span><span class="cx"> return apply_filters( 'bp_blogs_creation_location', trailingslashit( bp_get_root_domain() . '/' . bp_get_blogs_root_slug() . '/create', $url ) );
</span><span class="cx"> }
</span><span class="cx"> add_filter( 'wp_signup_location', 'bp_blogs_creation_location' );
</span><ins>+
+/**
+ * Only select comments by ID instead of all fields when using get_comments().
+ *
+ * @since BuddyPress (2.1.0)
+ *
+ * @see bp_blogs_update_post()
+ *
+ * @param array Current SQL clauses in array format
+ * @return array
+ */
+function bp_blogs_comments_clauses_select_by_id( $retval ) {
+ $retval['fields'] = 'comment_ID';
+
+ return $retval;
+}
</ins><span class="cx">\ No newline at end of file
</span></span></pre></div>
<a id="trunksrcbpblogsbpblogsfunctionsphp"></a>
<div class="modfile"><h4>Modified: trunk/src/bp-blogs/bp-blogs-functions.php (8944 => 8945)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/bp-blogs/bp-blogs-functions.php 2014-08-18 16:51:11 UTC (rev 8944)
+++ trunk/src/bp-blogs/bp-blogs-functions.php 2014-08-18 17:32:37 UTC (rev 8945)
</span><span class="lines">@@ -593,10 +593,13 @@
</span><span class="cx"> bp_activity_update_meta( $activity_id, 'post_title', $post->post_title );
</span><span class="cx">
</span><span class="cx"> // now update activity meta for post comments... sigh
</span><del>- $comment_ids = get_comments( array( 'post_id' => $post->ID, 'fields' => 'ids' ) );
</del><ins>+ add_filter( 'comments_clauses', 'bp_blogs_comments_clauses_select_by_id' );
+ $comments = get_comments( array( 'post_id' => $post->ID ) );
+ remove_filter( 'comments_clauses', 'bp_blogs_comments_clauses_select_by_id' );
</ins><span class="cx">
</span><del>- if ( ! empty( $comment_ids ) ) {
</del><ins>+ if ( ! empty( $comments ) ) {
</ins><span class="cx"> $activity_ids = array();
</span><ins>+ $comment_ids = wp_list_pluck( $comments, 'comment_ID' );
</ins><span class="cx">
</span><span class="cx"> // setup activity args
</span><span class="cx"> $args = array(
</span><span class="lines">@@ -607,8 +610,8 @@
</span><span class="cx">
</span><span class="cx"> // query for old-style "new_blog_comment" activity items
</span><span class="cx"> $args['filter'] = array(
</span><del>- 'object' => buddypress()->blogs->id,
- 'action' => 'new_blog_comment',
</del><ins>+ 'object' => buddypress()->blogs->id,
+ 'action' => 'new_blog_comment',
</ins><span class="cx"> 'secondary_id' => implode( ',', $comment_ids ),
</span><span class="cx"> );
</span><span class="cx">
</span><span class="lines">@@ -639,7 +642,7 @@
</span><span class="cx"> }
</span><span class="cx"> }
</span><span class="cx">
</span><del>- unset( $activities, $activity_ids, $comment_ids );
</del><ins>+ unset( $activities, $activity_ids, $comment_ids, $comments );
</ins><span class="cx"> }
</span><span class="cx"> }
</span><span class="cx">
</span></span></pre>
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