feat: export data.json

src/JsonExporter.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+final class JsonExporter
+{
+    private PDO $pdo;
+    private string $filePath;
+
+    public function __construct(PDO $pdo, string $filePath)
+    {
+        $this->pdo     = $pdo;
+        $this->filePath = $filePath;
+    }
+
+    public function export(): void
+    {
+        $links = $this->pdo->query('SELECT * FROM links ORDER BY id DESC')->fetchAll();
+
+        $json = json_encode($links, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
+
+        file_put_contents($this->filePath, $json . PHP_EOL, LOCK_EX);
+    }
+}