Refactor collection repositories: use one instance per databox

lib/Alchemy/Phrasea/Collection/Reference/DbalCollectionReferenceRepository.php

@@ -0,0 +1,110 @@
+<?php
+
+namespace Alchemy\Phrasea\Collection\Reference;
+
+use Doctrine\DBAL\Connection;
+
+class DbalCollectionReferenceRepository implements CollectionReferenceRepository
+{
+
+    private static $query = 'SELECT base_id AS baseId, sbas_id AS databoxId, server_coll_id AS collectionId,
+                                    ord AS displayIndex, active AS isActive, aliases AS alias
+                              FROM bas';
+
+    /**
+     * @var Connection
+     */
+    private $connection;
+
+    /**
+     * @param Connection $connection
+     */
+    public function __construct(Connection $connection)
+    {
+        $this->connection = $connection;
+    }
+
+    /**
+     * @return CollectionReference[]
+     */
+    public function findAll()
+    {
+        return $this->createManyReferences($this->connection->fetchAll(self::$query));
+    }
+
+    /**
+     * @param int $databoxId
+     * @return CollectionReference[]
+     */
+    public function findAllByDatabox($databoxId)
+    {
+        $query = self::$query . ' WHERE sbas_id = :databoxId';
+        $rows = $this->connection->fetchAll($query, [ ':databoxId' => $databoxId ]);
+
+        return $this->createManyReferences($rows);
+    }
+
+    /**
+     * @param int $baseId
+     * @return CollectionReference|null
+     */
+    public function find($baseId)
+    {
+        $query = self::$query . ' WHERE base_id = :baseId';
+        $row = $this->connection->fetchAssoc($query, [ ':baseId' => $baseId ]);
+
+        if ($row !== false) {
+            return $this->createReference($row);
+        }
+
+        return null;
+    }
+
+    /**
+     * @param int $databoxId
+     * @param int $collectionId
+     * @return CollectionReference|null
+     */
+    public function findByCollectionId($databoxId, $collectionId)
+    {
+        $query = self::$query . ' WHERE sbas_id = :databoxId AND server_coll_id = :collectionId';
+        $row = $this->connection->fetchAssoc($query, [ ':databoxId' => $databoxId, ':collectionId' => $collectionId ]);
+
+        if ($row !== false) {
+            return $this->createReference($row);
+        }
+
+        return null;
+    }
+
+    /**
+     * @param array $row
+     * @return CollectionReference
+     */
+    private function createReference(array $row)
+    {
+        return new CollectionReference(
+            $row['baseId'],
+            $row['databoxId'],
+            $row['collectionId'],
+            $row['displayIndex'],
+            $row['isActive'],
+            $row['alias']
+        );
+    }
+
+    /**
+     * @param $rows
+     * @return array
+     */
+    private function createManyReferences($rows)
+    {
+        $references = [];
+
+        foreach ($rows as $row) {
+            $references[$row['baseId']] = $this->createReference($row);
+        }
+
+        return $references;
+    }
+}