Various updates

api/common/Define/Model.php

@@ -1,6 +1,8 @@
 <?php
 namespace ProVM\Common\Define;
 
-interface Model
+use JsonSerializable;
+
+interface Model extends JsonSerializable
 {
-}
+}

api/common/Define/Repository.php

@@ -0,0 +1,28 @@
+<?php
+namespace ProVM\Common\Define;
+
+use PDO;
+use Psr\Log\LoggerInterface;
+
+interface Repository
+{
+    public function getConnection(): PDO;
+    public function getTable(): string;
+    public function getLogger(): LoggerInterface;
+
+    public function setConnection(PDO $pdo): Repository;
+    public function setTable(string $table): Repository;
+    public function setLogger(LoggerInterface $logger): Repository;
+
+    public function isInstalled(): bool;
+    public function install();
+    public function resetIndex(): void;
+
+    public function create(array $data): Model;
+    public function save(Model &$model): void;
+    public function fetchAll(): array;
+    public function fetchById(int $id): Model;
+    public function update(Model $model, Model $old): void;
+    public function optimize(): void;
+    public function delete(Model $model): void;
+}