asdsad

src/App/RegistrationStore.php

@@ -0,0 +1,150 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App;
+
+final class RegistrationStore
+{
+    public function __construct(
+        private readonly string $storagePath,
+    ) {
+    }
+
+    /**
+     * @return array<int, array<string, mixed>>
+     */
+    public function all(): array
+    {
+        $items = $this->read();
+        usort(
+            $items,
+            static fn (array $left, array $right): int => strcmp(
+                (string) ($right['created_at'] ?? ''),
+                (string) ($left['created_at'] ?? '')
+            )
+        );
+
+        return $items;
+    }
+
+    /**
+     * @return array<string, mixed>|null
+     */
+    public function find(string $id): ?array
+    {
+        foreach ($this->read() as $item) {
+            if ((string) ($item['id'] ?? '') === $id) {
+                return $item;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * @return array<string, mixed>|null
+     */
+    public function findConflict(string $username, string $email): ?array
+    {
+        $username = strtolower(trim($username));
+        $email = strtolower(trim($email));
+
+        foreach ($this->read() as $item) {
+            $status = (string) ($item['status'] ?? 'pending');
+
+            if ($status === 'rejected') {
+                continue;
+            }
+
+            if (strtolower((string) ($item['username'] ?? '')) === $username) {
+                return $item;
+            }
+
+            if (strtolower((string) ($item['email'] ?? '')) === $email) {
+                return $item;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * @param array<string, mixed> $payload
+     * @return array<string, mixed>
+     */
+    public function create(array $payload): array
+    {
+        $items = $this->read();
+        $items[] = $payload;
+        $this->write($items);
+
+        return $payload;
+    }
+
+    /**
+     * @param callable(array<string, mixed>): array<string, mixed> $mutator
+     * @return array<string, mixed>|null
+     */
+    public function update(string $id, callable $mutator): ?array
+    {
+        $items = $this->read();
+        $updated = null;
+
+        foreach ($items as $index => $item) {
+            if ((string) ($item['id'] ?? '') !== $id) {
+                continue;
+            }
+
+            $items[$index] = $mutator($item);
+            $updated = $items[$index];
+            break;
+        }
+
+        if ($updated === null) {
+            return null;
+        }
+
+        $this->write($items);
+
+        return $updated;
+    }
+
+    /**
+     * @return array<int, array<string, mixed>>
+     */
+    private function read(): array
+    {
+        if (!is_file($this->storagePath)) {
+            return [];
+        }
+
+        $raw = file_get_contents($this->storagePath);
+
+        if ($raw === false || trim($raw) === '') {
+            return [];
+        }
+
+        $decoded = json_decode($raw, true);
+
+        return is_array($decoded) ? array_values(array_filter($decoded, 'is_array')) : [];
+    }
+
+    /**
+     * @param array<int, array<string, mixed>> $items
+     */
+    private function write(array $items): void
+    {
+        $directory = dirname($this->storagePath);
+
+        if (!is_dir($directory)) {
+            mkdir($directory, 0775, true);
+        }
+
+        file_put_contents(
+            $this->storagePath,
+            json_encode($items, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) . PHP_EOL,
+            LOCK_EX
+        );
+    }
+}