/**
* Merge several topics into a target topic
*
* @param array $nodeids Source topic node IDs
* @param int $targetnodeid Target topic node ID
*
* @return array
*/
public function mergeTopics($nodeids, $targetnodeid, array $leaveRedirectData = array())
{
$this->inlinemodAuthCheck();
// check that the user has permission
$nodesToCheck = $nodeids;
$nodesToCheck[] = $targetnodeid;
foreach ($nodesToCheck as $key => $nodeid) {
// this is here just in case for some reason, a nodeid is 0. Shouldn't happen, but
// I don't want getChannelPermission to go bonkers from it.
if (empty($nodeid)) {
unset($nodesToCheck[$key]);
continue;
}
if (!vB::getUserContext()->getChannelPermission('moderatorpermissions', 'canmanagethreads', $nodeid)) {
// perhaps we could generate a list of unmergeable nodes and return a warning instead, but
// I don't think there's a real use case where a moderator can manage only *some* of the
// nodes they're trying to merge. I think that would require multiple channels being involved, and
// we don't have a UI for that so I can't test it. As such I'm just going to throw an exception if
// *any* of the nodes fail the check.
throw new vB_Exception_Api('no_permission');
}
}
$mergedNodes = array();
$sourceNodes = array();
if (count($nodeids) < 2) {
throw new vB_Exception_Api('not_much_would_be_accomplished_by_merging');
}
if (!in_array($targetnodeid, $nodeids)) {
throw new vB_Exception_Api('invalid_target');
}
$userContext = vB::getUserContext();
$nodes = vB::getDbAssertor()->getRows('vBForum:node', array(vB_dB_Query::TYPE_KEY => vB_dB_Query::QUERY_SELECT, 'nodeid' => $nodeids), array('field' => array('publishdate'), 'direction' => array(vB_dB_Query::SORT_ASC)));
$loginfo = array();
$targetnode = $this->getNode($targetnodeid);
foreach ($nodes as $node) {
if (intval($node['inlist']) and !intval($node['protected']) and $userContext->getChannelPermission('forumpermissions', 'canview', $node['nodeid'], false, $node['parentid']) and $node['nodeid'] == $node['starter']) {
$mergedNodes[] = $node['nodeid'];
if ($node['nodeid'] != $targetnodeid) {
$sourceNodes[] = $node['nodeid'];
$extra = array('targetnodeid' => $targetnode['nodeid'], 'targettitle' => $targetnode['title']);
$loginfo[] = array('nodeid' => $node['nodeid'], 'nodetitle' => $node['title'], 'nodeusername' => $node['authorname'], 'nodeuserid' => $node['userid'], 'action' => $extra);
}
}
}
if (count($mergedNodes) < 2) {
throw new vB_Exception_Api('not_much_would_be_accomplished_by_merging');
}
if ($mergedNodes == $sourceNodes) {
// Something wrong with target node
throw new vB_Exception_Api('invalid_target');
}
$this->moveNodes($sourceNodes, $targetnodeid, false, false, false, $leaveRedirectData);
// Dont log the individual moves
// We need to promote the replies of the sourcenodes to the replies of the targetnode instead of being comments of the sourcenodes.
foreach ($sourceNodes as $sourcenodeid) {
$sourcereplies = vB::getDbAssertor()->getRows('vBForum:node', array(vB_dB_Query::TYPE_KEY => vB_dB_Query::QUERY_SELECT, 'parentid' => $sourcenodeid), array('field' => array('publishdate'), 'direction' => array(vB_dB_Query::SORT_ASC)));
$replyNodes = array();
foreach ($sourcereplies as $replies) {
$replyNodes[] = $replies['nodeid'];
}
if ($replyNodes) {
// Move the replies to the targetnode
$this->moveNodes($replyNodes, $targetnodeid, false, false, false);
}
}
// If source node is a poll, we need to delete it
// Here all source nodes' children have been promoted so they won't be deleted
foreach ($nodes as $node) {
if ($node['nodeid'] != $targetnodeid and $node['contenttypeid'] == vB_Types::instance()->getContentTypeId('vBForum_Poll')) {
$this->library->deleteNode($node['nodeid']);
}
}
vB_Library_Admin::logModeratorAction($loginfo, 'node_merged_by_x');
$clearCacheNodes = array_unique(array_merge($mergedNodes, $sourceNodes, array($targetnodeid)));
$this->library->clearChildCache($clearCacheNodes);
$this->clearCacheEvents($clearCacheNodes);
return array($mergedNodes, $sourceNodes, $targetnodeid);
}
