iPArticlePublishedType.php

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<?php
class iPArticlePublishedType extends eZWorkflowEventType
{
    const WORKFLOW_TYPE_STRING = "ipediatrearticlepublished";

    public function __construct()
    {
        parent::__construct(
            iPArticlePublishedType::WORKFLOW_TYPE_STRING,
            'Push an article to top list'
        );
    }

    public function execute( $process, $event )
    {
        $parameters = $process->attribute('parameter_list');
        $ObjectID   = $parameters['object_id'];
        $article      = eZContentObject::fetch($ObjectID);
        $UserNodeID   = eZUser::currentUser()->contentObject()->mainNodeID();
        $UserNode     = eZUser::currentUser()->contentObject()->mainNode();
        $NodeID       = $article->mainNodeID();
        $ParentNodeID = $article->mainParentNodeID();
        $children     = $UserNode->children();

        if ($article->attribute( 'current_version' ) != 1) {
            return eZWorkflowType::STATUS_ACCEPTED;
        }

        // On décale les priorités de 1 sur le droite pour laisser la place au nouveau noeud (de priorité 0)
        $priorityArray   = array_map(function($n){return $n+1;}, array_keys($children));
        $priorityIDArray = array_map(function($n){return $n->attribute('node_id');}, array_values($children));
        eZContentOperationCollection::updatePriority($UserNodeID, $priorityArray, $priorityIDArray);
        eZContentCacheManager::clearContentCacheIfNeeded(eZUser::currentUser()->contentObject()->attribute('id') );

        $article = eZContentObject::fetch($ObjectID);

        $x = $article->mainNode();
        $x->setAttribute('priority', 0);
        $x->store();

        return eZWorkflowType::STATUS_ACCEPTED;
    }
}