/**
     * Handle user removal from ownCloud
     */
    public static function notifyUserDeletion($args)
    {
        try {
            \OCP\DB::beginTransaction();
            $query = \OCP\DB::prepare('SELECT `pid`, `title` FROM `*PREFIX*collaboration_project` WHERE `pid` IN 
										(SELECT DISTINCT(`pid`) FROM `*PREFIX*collaboration_works_on` WHERE `member`=?) AND `completed`=?');
            $result = $query->execute(array($args['uid'], false));
            $projs = $result->fetchAll();
            if (count($projs) != 0) {
                $projects = $projs[0]['title'];
                $pids = $projs[0]['pid'];
                for ($i = 1; $i < count($projs); $i++) {
                    $projects .= ', ' . $projs[$i]['title'];
                    $pids .= ' ' . $projs[$i]['pid'];
                }
                OC_Collaboration_Post::createPost('Member Removed', 'Owncloud member \'' . $args['uid'] . '\' has been removed from owncloud and hence from the project(s) ' . $projects, OC_User::getUser(), NULL, 'Member removal', OC_Collaboration_Project::getMembersWorkingOnProjects(explode(' ', $pids)), true);
            }
            OC_Collaboration_Project::deleteMemberRole(NULL, $args['uid'], NULL, OC_User::getUser(), true);
            OC_Collaboration_Skillset::removeSkillsOfMember($args['uid']);
            OC_Collaboration_Post::removePostsByMember($args['uid'], true);
            \OCP\DB::commit();
            OC_Log::write('collaboration', 'User deletion notification posted.', OCP\Util::INFO);
        } catch (\Exception $e) {
            OC_Log::write('collaboration', __METHOD__ . ', Exception: ' . $e->getMessage(), OCP\Util::DEBUG);
            return false;
        }
    }