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<?php |
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namespace OCA\Notes\Service; |
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use OCA\Notes\Db\Meta; |
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use OCA\Notes\Db\MetaMapper; |
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/** |
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* Class MetaService |
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* |
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* @package OCA\Notes\Service |
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*/ |
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class MetaService { |
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private $metaMapper; |
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public function __construct(MetaMapper $metaMapper) { |
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$this->metaMapper = $metaMapper; |
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} |
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public function updateAll($userId, Array $notes) { |
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$metas = $this->metaMapper->getAll($userId); |
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$metas = $this->getIndexedArray($metas, 'fileId'); |
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$notes = $this->getIndexedArray($notes, 'id'); |
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foreach ($metas as $id => $meta) { |
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if (!array_key_exists($id, $notes)) { |
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// DELETE obsolete notes |
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$this->metaMapper->delete($meta); |
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unset($metas[$id]); |
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} |
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} |
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foreach ($notes as $id => $note) { |
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if (!array_key_exists($id, $metas)) { |
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// INSERT new notes |
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$metas[$note->getId()] = $this->create($userId, $note); |
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} elseif ($note->getEtag()!==$metas[$id]->getEtag()) { |
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// UPDATE changed notes |
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$meta = $metas[$id]; |
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$this->updateIfNeeded($meta, $note); |
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} |
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} |
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return $metas; |
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} |
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private function getIndexedArray(array $data, $property) { |
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$property = ucfirst($property); |
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$getter = 'get'.$property; |
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$result = array(); |
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foreach ($data as $entity) { |
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$result[$entity->$getter()] = $entity; |
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} |
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return $result; |
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} |
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private function create($userId, $note) { |
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$meta = Meta::fromNote($note, $userId); |
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$this->metaMapper->insert($meta); |
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return $meta; |
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} |
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private function updateIfNeeded(&$meta, $note) { |
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if ($note->getEtag()!==$meta->getEtag()) { |
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$meta->setEtag($note->getEtag()); |
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$meta->setLastUpdate(time()); |
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$this->metaMapper->update($meta); |
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} |
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} |
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} |
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nextcloud /
notes
