function merge_ContentActionHandler(&$module, &$http, &$objectID)
{
$selected_array = array();
$merge_node_master = 0;
$translation_map = array();
if ($http->hasSessionVariable('MergeNodeSelectionList')) {
$selected_array = $http->sessionVariable('MergeNodeSelectionList');
}
if ($http->hasSessionVariable('MergeNodeMaster')) {
$merge_node_master = $http->sessionVariable('MergeNodeMaster');
}
if ($http->hasSessionVariable('MergeObjectTranslationMap')) {
$translation_map = $http->sessionVariable('MergeObjectTranslationMap');
}
// Update master node
if ($http->hasPostVariable('MergeNodeMaster')) {
if ($merge_node_master != $http->postVariable('MergeNodeMaster')) {
$merge_node_master = $http->postVariable('MergeNodeMaster');
$http->setSessionVariable('MergeNodeMaster', $merge_node_master);
}
// Update translation map
$count = 0;
while ($http->hasPostVariable('MergeTranslation_' . $count)) {
$values = explode('_', $http->postVariable('MergeTranslation_' . $count));
$translation_map[$values[0]] = $values[1];
$count++;
}
$http->setSessionVariable('MergeObjectTranslationMap', $translation_map);
}
// Remove selected nodes
if ($http->hasPostVariable('RemoveObjects')) {
$remove_list = array();
if ($http->hasPostVariable('RemoveNode')) {
$remove_list = $http->postVariable('RemoveNode');
$selected_array = array_values(array_diff($selected_array, $remove_list));
$http->setSessionVariable('MergeNodeSelectionList', $selected_array);
// Check master node
if (!in_array($merge_node_master, $selected_array)) {
$merge_node_master = 0;
$http->setSessionVariable('MergeNodeMaster', 0);
}
// Remove any related selected translations
$update_translation_map = false;
foreach ($translation_map as $language => $node_id) {
if (in_array($node_id, $remove_list)) {
unset($translation_map[$language]);
$update_translation_map = true;
}
}
if ($update_translation_map) {
$http->setSessionVariable('MergeObjectTranslationMap', $translation_map);
}
}
$module->redirectTo('/merge/select');
}
// Go to browse module to choose nodes to merge
if ($http->hasPostVariable('MergeBrowse')) {
$ini = eZINI::instance('merge.ini');
$class_list = $ini->variable('MergeSettings', 'ClassList');
$start_node_id = $ini->variable('MergeSettings', 'BrowseNodeID');
eZContentBrowse::browse(array('action_name' => 'MergeObjects', 'description_template' => 'design:content/browse_placement.tpl', 'ignore_nodes_select' => $selected_array, 'ignore_nodes_click' => array(), 'selection' => 'radio', 'class_array' => $class_list, 'start_node' => $start_node_id, 'from_page' => '/merge/select'), $module);
}
// Actual merge operation
if ($http->hasPostVariable('MergeAction')) {
if (count($selected_array) != 2) {
$module->redirectTo('/merge/select');
}
// Set up correct order according to selected master
if ($selected_array[1] == $merge_node_master) {
$selected_array = array_reverse($selected_array);
}
// Fetch objects to merge
$mnode1 = eZFunctionHandler::execute('content', 'node', array('node_id' => $selected_array[0]));
$mnode2 = eZFunctionHandler::execute('content', 'node', array('node_id' => $selected_array[1]));
$mobject1 = $mnode1->attribute('object');
$mobject2 = $mnode2->attribute('object');
// Do sanity check
if ($mobject1->attribute('contentclass_id') != $mobject2->attribute('contentclass_id')) {
$module->redirectTo('/merge/select');
}
// Make sure merge process does not get a PHP timeout
set_time_limit(0);
$db = eZDB::instance();
$db->begin();
foreach ($translation_map as $language => $node_id) {
$object1 = $object2 = null;
$node1 = eZFunctionHandler::execute('content', 'node', array('node_id' => $selected_array[0], 'language_code' => $language));
$node2 = eZFunctionHandler::execute('content', 'node', array('node_id' => $selected_array[1], 'language_code' => $language));
// Make sure we get correct language
if ($node1) {
$object1 = $node1->attribute('object');
if (!in_array($language, $object1->attribute('available_languages'))) {
$object1 = $mobject1;
}
} else {
$object1 = $mobject1;
}
if ($node2) {
$object2 = $node2->attribute('object');
if (!in_array($language, $object2->attribute('available_languages'))) {
$object2 = null;
}
}
// Copy language in specified direction, if it exist in both objects
$use_object1_values = $node_id == $selected_array[0];
if ($object1 and $object2) {
// Need to redirect node 2 current url alias to avoid added "2" in the new url alias of merged object
$urlalias_array = eZURLAliasML::fetchByPath($node2->attribute('url_alias'));
foreach ($urlalias_array as $urlalias) {
$urlalias = eZURLAliasML::fetchObject(eZURLAliasML::definition(), null, array('id' => $urlalias->attribute('id'), 'lang_mask' => $urlalias->attribute('lang_mask')));
$urlalias->setAttribute('action', 'eznode:' . $mnode1->attribute('node_id'));
$urlalias->store();
}
doContentObjectMerge($object1, $object2, $language, $use_object1_values);
}
}
$main_node_id1 = $mobject1->attribute('main_node_id');
foreach ($mobject2->attribute('assigned_nodes') as $node2) {
// Move any children of object2 nodes to object1 main node
$children2 = eZFunctionHandler::execute('content', 'list', array('parent_node_id' => $node2->attribute('node_id')));
foreach ($children2 as $child2) {
eZContentObjectTreeNodeOperations::move($child2->attribute('node_id'), $main_node_id1);
}
}
// Delete object2
$mobject2->purge();
$db->commit();
// $db->rollback(); // For debugging
// Clean up session variables
$http->removeSessionVariable('MergeNodeSelectionList');
$http->removeSessionVariable('MergeNodeMaster');
$http->removeSessionVariable('MergeObjectTranslationMap');
$module->redirectTo($mnode1->attribute('url_alias'));
}
}
