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vendor/yiisoft/yii2-mongodb/src/file/Query.php

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+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\mongodb\file;
+
+use Yii;
+
+/**
+ * Query represents Mongo "find" operation for GridFS collection.
+ *
+ * Query behaves exactly as regular [[\yii\mongodb\Query]].
+ * Found files will be represented as arrays of file document attributes with
+ * additional 'file' key, which stores [[\MongoGridFSFile]] instance.
+ *
+ * @property Collection $collection Collection instance. This property is read-only.
+ *
+ * @author Paul Klimov <klimov.paul@gmail.com>
+ * @since 2.0
+ */
+class Query extends \yii\mongodb\Query
+{
+    /**
+     * Returns the Mongo collection for this query.
+     * @param \yii\mongodb\Connection $db Mongo connection.
+     * @return Collection collection instance.
+     */
+    public function getCollection($db = null)
+    {
+        if ($db === null) {
+            $db = Yii::$app->get('mongodb');
+        }
+
+        return $db->getFileCollection($this->from);
+    }
+}