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<title>[BuddyPress][12366] trunk/src/bp-groups/bp-groups-activity.php: Activity: Ensure that 'favorites' stream doesn't include items from groups of which the user is not a member.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="http://buddypress.trac.wordpress.org/changeset/12366">12366</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"http://buddypress.trac.wordpress.org/changeset/12366","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>boonebgorges</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2019-04-25 14:12:38 +0000 (Thu, 25 Apr 2019)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Activity: Ensure that 'favorites' stream doesn't include items from groups of which the user is not a member.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcbpgroupsbpgroupsactivityphp">trunk/src/bp-groups/bp-groups-activity.php</a></li>
</ul>

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<h3>Diff</h3>
<a id="trunksrcbpgroupsbpgroupsactivityphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/bp-groups/bp-groups-activity.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/bp-groups/bp-groups-activity.php        2019-04-25 14:12:34 UTC (rev 12365)
+++ trunk/src/bp-groups/bp-groups-activity.php  2019-04-25 14:12:38 UTC (rev 12366)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -298,6 +298,119 @@
</span><span class="cx" style="display: block; padding: 0 10px"> add_filter( 'bp_activity_set_groups_scope_args', 'bp_groups_filter_activity_scope', 10, 2 );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * Enforces group membership restrictions on activity favorite queries.
+ *
+ * @since 4.3.0
+
+ * @param array $retval Query arguments.
+ * @param array $filter
+ * @return array
+ */
+function bp_groups_filter_activity_favorites_scope( $retval, $filter ) {
+       // Only process for viewers looking at their own favorites feed.
+       if ( ! empty( $filter['user_id'] ) ) {
+               $user_id = (int) $filter['user_id'];
+       } else {
+               $user_id = bp_displayed_user_id() ? bp_displayed_user_id() : bp_loggedin_user_id();
+       }
+
+       if ( ! $user_id || ! is_user_logged_in() || $user_id !== bp_loggedin_user_id() ) {
+               return $retval;
+       }
+
+       $favs = bp_activity_get_user_favorites( $user_id );
+       if ( empty( $favs ) ) {
+               return $retval;
+       }
+
+       $user_groups = bp_get_user_groups(
+               $user_id,
+               array(
+                       'is_admin' => null,
+                       'is_mod'   => null,
+               )
+       );
+
+       $retval = array(
+               'relation' => 'OR',
+
+               // Allow hidden items for items unconnected to groups.
+               'non_groups' => array(
+                       'relation' => 'AND',
+                       array(
+                               'column'  => 'component',
+                               'compare' => '!=',
+                               'value'   => buddypress()->groups->id,
+                       ),
+                       array(
+                               'column'  => 'hide_sitewide',
+                               'compare' => 'IN',
+                               'value'   => array( 1, 0 ),
+                       ),
+                       array(
+                               'column'  => 'id',
+                               'compare' => 'IN',
+                               'value'   => $favs,
+                       ),
+               ),
+
+               // Trust the favorites list for group items that are not hidden sitewide.
+               'non_hidden_groups' => array(
+                       'relation' => 'AND',
+                       array(
+                               'column'  => 'component',
+                               'compare' => '=',
+                               'value'   => buddypress()->groups->id,
+                       ),
+                       array(
+                               'column'  => 'hide_sitewide',
+                               'compare' => '=',
+                               'value'   => 0,
+                       ),
+                       array(
+                               'column'  => 'id',
+                               'compare' => 'IN',
+                               'value'   => $favs,
+                       ),
+               ),
+
+               // For hidden group items, limit to those in the user's groups.
+               'hidden_groups' => array(
+                       'relation' => 'AND',
+                       array(
+                               'column'  => 'component',
+                               'compare' => '=',
+                               'value'   => buddypress()->groups->id,
+                       ),
+                       array(
+                               'column'  => 'hide_sitewide',
+                               'compare' => '=',
+                               'value'   => 1,
+                       ),
+                       array(
+                               'column'  => 'id',
+                               'compare' => 'IN',
+                               'value'   => $favs,
+                       ),
+                       array(
+                               'column'  => 'item_id',
+                               'compare' => 'IN',
+                               'value'   => wp_list_pluck( $user_groups, 'group_id' ),
+                       ),
+               ),
+
+               'override' => array(
+                       'display_comments' => true,
+                       'filter'           => array( 'user_id' => 0 ),
+                       'show_hidden'      => true,
+               ),
+       );
+
+       return $retval;
+}
+add_filter( 'bp_activity_set_favorites_scope_args', 'bp_groups_filter_activity_favorites_scope', 20, 2 );
+
+/**
</ins><span class="cx" style="display: block; padding: 0 10px">  * Record an activity item related to the Groups component.
</span><span class="cx" style="display: block; padding: 0 10px">  *
</span><span class="cx" style="display: block; padding: 0 10px">  * A wrapper for {@link bp_activity_add()} that provides some Groups-specific
</span></span></pre>
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