Doctrine\ODM\MongoDB\Persisters\DocumentPersister::executeUpsert()

Complexity

Conditions	6
Paths	12

Size

Total Lines	40
Code Lines	16

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	15
CRAP Score	6.0087

<?php
    private function executeUpsert(array $data, array $options)
    {
        $options['upsert'] = true;
        $criteria = array('_id' => $data['$set']['_id']);
        unset($data['$set']['_id']);

        // Do not send an empty $set modifier
        if (empty($data['$set'])) {
            unset($data['$set']);
        }

        /* If there are no modifiers remaining, we're upserting a document with
         * an identifier as its only field. Since a document with the identifier
         * may already exist, the desired behavior is "insert if not exists" and
         * NOOP otherwise. MongoDB 2.6+ does not allow empty modifiers, so $set
         * the identifier to the same value in our criteria.
         *
         * This will fail for versions before MongoDB 2.6, which require an
         * empty $set modifier. The best we can do (without attempting to check
         * server versions in advance) is attempt the 2.6+ behavior and retry
         * after the relevant exception.
         *
         * See: https://jira.mongodb.org/browse/SERVER-12266
         */
        if (empty($data)) {
            $retry = true;
            $data = array('$set' => array('_id' => $criteria['_id']));
        }

        try {
            $this->collection->update($criteria, $data, $options);
            return;
        } catch (\MongoCursorException $e) {
            if (empty($retry) || strpos($e->getMessage(), 'Mod on _id not allowed') === false) {
                throw $e;
            }
        }

        $this->collection->update($criteria, array('$set' => new \stdClass), $options);
    }