MAPG-203 add new table and model for multi_room

src/Repository/MultiRoomRepository.php

@@ -0,0 +1,38 @@
+<?php namespace MapGuesser\Repository;
+
+use DateTime;
+use Generator;
+use MapGuesser\Database\Query\Select;
+use MapGuesser\PersistentData\Model\MultiRoom;
+use MapGuesser\PersistentData\PersistentDataManager;
+
+class MultiRoomRepository
+{
+    private PersistentDataManager $pdm;
+
+    public function __construct()
+    {
+        $this->pdm = new PersistentDataManager();
+    }
+
+    public function getById(int $id): ?MultiRoom
+    {
+        return $this->pdm->selectFromDbById($id, MultiRoom::class);
+    }
+
+    public function getByRoomId(string $roomId): ?MultiRoom
+    {
+        $select = new Select(\Container::$dbConnection);
+        $select->where('room_id', '=', $roomId);
+
+        return $this->pdm->selectFromDb($select, MultiRoom::class);
+    }
+
+    public function getAllExpired(): Generator
+    {
+        $select = new Select(\Container::$dbConnection);
+        $select->where('updated', '<', (new DateTime('-7 day'))->format('Y-m-d H:i:s'));
+
+        yield from $this->pdm->selectMultipleFromDb($select, MultiRoom::class);
+    }
+}