public function clearRevisions()
{
$documentId = $this->document->getId();
$this->getRevisionsCollection()->deleteDocuments(function (Expression $expression) use($documentId) {
/* @var $expression \Sokil\Mongo\Expression */
return $expression->where('__documentId__', $documentId);
});
return $this;
}
public function removeRelation($relationName, Document $document = null)
{
if (!$this->isRelationExists($relationName)) {
throw new \Exception('Relation ' . $relationName . ' not configured');
}
$relation = $this->relations[$relationName];
list($relationType, $relatedCollectionName, $field) = $relation;
$relatedCollection = $this->document->getCollection()->getDatabase()->getCollection($relatedCollectionName);
if ($document && !$relatedCollection->hasDocument($document)) {
throw new \Sokil\Mongo\Exception('Document must belongs to related collection');
}
switch ($relationType) {
case Document::RELATION_BELONGS:
$this->document->unsetField($field)->save();
break;
case Document::RELATION_HAS_ONE:
$document = $this->getRelated($relationName);
if (!$document) {
// relation not exists
return $this;
}
$document->unsetField($field)->save();
break;
case Document::RELATION_HAS_MANY:
if (!$document) {
throw new \Sokil\Mongo\Exception('Related document must be defined');
}
$document->unsetField($field)->save();
break;
case Document::RELATION_MANY_MANY:
if (!$document) {
throw new \Sokil\Mongo\Exception('Related document must be defined');
}
$isRelationListStoredInternally = isset($relation[3]) && $relation[3];
if ($isRelationListStoredInternally) {
$this->document->pull($field, $document->getId())->save();
} else {
$document->pull($field, $this->document->getId())->save();
}
break;
default:
throw new \Sokil\Mongo\Exception('Unsupported relation type "' . $relationType . '" when resolve relation "' . $relationName . '"');
}
return $this;
}
/**
* Store document to pool
*
* @param array $document
* @return \Sokil\Mongo\Collection
*/
public function addDocumentToDocumentPool(Document $document)
{
$documentId = (string) $document->getId();
if (!isset($this->documentPool[$documentId])) {
$this->documentPool[$documentId] = $document;
} else {
// merging because document after
// load and before getting in second place may be changed
// and this changes must be preserved:
//
// 1. Document loads and modifies in current session
// 2. Document loads modified in another session
// 3. Document loads once again in current session. Changes from stage 2 merges as unmodified
$this->documentPool[$documentId]->mergeUnmodified($document->toArray());
}
return $this;
}
