public function setTags(\Model\Card $c, array $itags)
{
//remove all empty tags, create 2 arrays
//containing trimmed tag and lower-case trimmed tag
$ltags = array();
$tags = array();
foreach ($itags as $t) {
$t = trim($t);
if ($t != "") {
$ltags[] = strtolower($t);
$tags[] = $t;
}
}
$this->em->beginTransaction();
//find all tags, which have to be removed
$toRemove = array();
foreach ($c->getTags() as $t) {
if (!in_array(strtolower($t->getName()), $ltags)) {
$toRemove[] = $t;
}
}
foreach ($toRemove as $t) {
$c->removeTag($t);
}
//find all tags which have to be added
$newtags = array();
foreach ($tags as $t) {
foreach ($c->getTags() as $tt) {
if (strtolower($tt->getName()) == strtolower($t)) {
continue 2;
}
}
//not found
$newtags[] = $t;
}
$tm = new TagsManager();
foreach ($newtags as $t) {
//try to find existing tag
$tag = $tm->findByName(strtolower($t));
if ($tag == null) {
$tag = $tm->createTag($t, "#00ff00");
}
$c->addTag($tag);
}
$this->em->flush();
$this->em->commit();
}
