/**
* Remove a relationship between two users and clear caches afterwards.
*
* @param $user1 Integer: user ID of the first user
* @param $user2 Integer: user ID of the second user
*/
public function removeRelationshipByUserID($user1, $user2)
{
global $wgUser, $wgMemc;
if ($user1 != $wgUser->getID() && $user2 != $wgUser->getID()) {
return false;
// only logged in user should be able to delete
}
// must delete record for each user involved in relationship
$dbw = wfGetDB(DB_MASTER);
$dbw->delete('user_relationship', array('r_user_id' => $user1, 'r_user_id_relation' => $user2), __METHOD__);
$dbw->delete('user_relationship', array('r_user_id' => $user2, 'r_user_id_relation' => $user1), __METHOD__);
$wgMemc->delete(wfForeignMemcKey('huiji', '', 'relationship', 'profile', "{$user1}-1"));
$wgMemc->delete(wfForeignMemcKey('huiji', '', 'relationship', 'profile', "{$user2}-1"));
$wgMemc->delete(wfForeignMemcKey('huiji', '', 'relationship', 'profile', "{$user1}-2"));
$wgMemc->delete(wfForeignMemcKey('huiji', '', 'relationship', 'profile', "{$user2}-2"));
// RelationshipRemovedByUserID hook
wfRunHooks('RelationshipRemovedByUserID', array($user1, $user2));
// Update social statistics for both users
$stats = new UserStatsTrack($user1, '');
$stats->updateRelationshipCount(1);
$stats->updateRelationshipCount(2);
$stats->clearCache();
$stats = new UserStatsTrack($user2, '');
$stats->updateRelationshipCount(1);
$stats->updateRelationshipCount(2);
$stats->clearCache();
}