RVRNEXT-43 add repository for transaction payees

src/Repository/TransactionPayeeRepository.php

@@ -0,0 +1,23 @@
+<?php namespace RVR\Repository;
+
+use Container;
+use Generator;
+use RVR\PersistentData\Model\Transaction;
+use RVR\PersistentData\Model\TransactionPayee;
+use SokoWeb\Database\Query\Select;
+
+class TransactionPayeeRepository
+{
+    public function getById(int $id): ?TransactionPayee
+    {
+        return Container::$persistentDataManager->selectFromDbById($id, TransactionPayee::class);
+    }
+
+    public function getAllByTransaction(Transaction $transaction, bool $useRelations = false, array $withRelations = []): Generator
+    {
+        $select = new Select(Container::$dbConnection);
+        $select->where('transaction_id', '=', $transaction->getId());
+
+        yield from Container::$persistentDataManager->selectMultipleFromDb($select, TransactionPayee::class, $useRelations, $withRelations);
+    }
+}