Ticket #4429: 4229.02.patch

src/bp-activity/bp-activity-template.php

@@ -2946 +2946 @@
          * @since 1.5.0
          *
          * @param bool   $can_comment Status on if activity reply can be commented on.
-         * @param string $comment     Current comment being checked on.
+         * @param object $comment     Current comment object being checked on.
          */
         return (bool) apply_filters( 'bp_activity_can_comment_reply', $can_comment, $comment );
 }

src/bp-groups/bp-groups-activity.php

@@ -357 +357 @@
         return bp_activity_add( $r );
 }
 
+/**
+ * Function used to determine if a user can comment on a group activity item.
+ *
+ * Used as a filter callback to 'bp_activity_can_comment'.
+ *
+ * @since 3.0.0
+ *
+ * @param  bool                      $retval   True if item can receive comments.
+ * @param  null|BP_Activity_Activity $activity Null by default. Pass an activity object to check against that instead.
+ * @return bool
+ */
+function bp_groups_filter_activity_can_comment( $retval, $activity = null ) {
+        // Bail if item cannot receive comments or if no current user.
+        if ( empty( $retval ) || ! is_user_logged_in() ) {
+                return $retval;
+        }
+
+        // Use passed activity object, if available.
+        if ( is_a( $activity, 'BP_Activity_Activity' ) ) {
+                $component = $activity->component;
+                $group_id  = $activity->item_id;
+
+        // Use activity info from current activity item in the loop.
+        } else {
+                $component = bp_get_activity_object_name();
+                $group_id  = bp_get_activity_item_id();
+        }
+
+        // If not a group activity item, bail.
+        if ( 'groups' !== $component ) {
+                return $retval;
+        }
+
+        // If current user is not a group member or is banned, user cannot comment.
+        if ( ! bp_current_user_can( 'bp_moderate' ) &&
+                ( ! groups_is_user_member( bp_loggedin_user_id(), $group_id ) || ! groups_is_user_banned( bp_loggedin_user_id(), $group_id ) )
+        ) {
+                $retval = false;
+        }
+
+        return $retval;
+}
+add_filter( 'bp_activity_can_comment', 'bp_groups_filter_activity_can_comment', 99, 1 );
+
+/**
+ * Function used to determine if a user can reply on a group activity comment.
+ *
+ * Used as a filter callback to 'bp_activity_can_comment_reply'.
+ *
+ * @since 3.0.0
+ *
+ * @param  bool        $retval  True if activity comment can be replied to.
+ * @param  object|bool $comment Current activity comment object. If empty, parameter is boolean false.
+ * @return bool
+ */
+function bp_groups_filter_activity_can_comment_reply( $retval, $comment ) {
+        // Bail if no current user, if comment is empty or if retval is already empty.
+        if ( ! is_user_logged_in() || empty( $comment ) || empty( $retval ) ) {
+                return $retval;
+        }
+
+        // Grab parent activity item.
+        $parent = new BP_Activity_Activity( $comment->item_id );
+
+        // Check to see if user can reply to parent group activity item.
+        return bp_groups_filter_activity_can_comment( $retval, $parent );
+}
+add_filter( 'bp_activity_can_comment_reply', 'bp_groups_filter_activity_can_comment_reply', 99, 2 );
+
 /**
  * Update the last_activity meta value for a given group.
  *