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| 1 | <?php |
| 2 | |
| 3 | namespace App\Http\Controllers\Api; |
| 4 | |
| 5 | use App\Http\Controllers\Controller; |
| 6 | use Illuminate\Contracts\Support\Arrayable; |
| 7 | use Illuminate\Http\JsonResponse; |
| 8 | use Illuminate\Http\Resources\Json\JsonResource; |
| 9 | use Illuminate\Http\Resources\Json\ResourceCollection; |
| 10 | use Illuminate\Pagination\AbstractPaginator; |
| 11 | |
| 12 | /** |
| 13 | * Base controller for every /api/v1 endpoint. |
| 14 | * |
| 15 | * Response envelope (consistent across the whole API so the future Next.js |
| 16 | * frontend has one shape to code against): |
| 17 | * |
| 18 | * success → { "data": ..., "meta": {...}? } |
| 19 | * error → { "message": "...", "errors": {...}? } |
| 20 | */ |
| 21 | abstract class ApiController extends Controller |
| 22 | { |
| 23 | protected function respond(mixed $data, array $meta = [], int $status = 200): JsonResponse |
| 24 | { |
| 25 | $payload = ['data' => $this->normalize($data)]; |
| 26 | |
| 27 | $meta = array_merge($this->paginationMeta($data), $meta); |
| 28 | if ($meta !== []) { |
| 29 | $payload['meta'] = $meta; |
| 30 | } |
| 31 | |
| 32 | return response()->json($payload, $status); |
| 33 | } |
| 34 | |
| 35 | protected function respondCreated(mixed $data, array $meta = []): JsonResponse |
| 36 | { |
| 37 | return $this->respond($data, $meta, 201); |
| 38 | } |
| 39 | |
| 40 | protected function respondNoContent(): JsonResponse |
| 41 | { |
| 42 | return response()->json(null, 204); |
| 43 | } |
| 44 | |
| 45 | protected function respondError(string $message, int $status = 400, array $errors = []): JsonResponse |
| 46 | { |
| 47 | $payload = ['message' => $message]; |
| 48 | if ($errors !== []) { |
| 49 | $payload['errors'] = $errors; |
| 50 | } |
| 51 | |
| 52 | return response()->json($payload, $status); |
| 53 | } |
| 54 | |
| 55 | private function normalize(mixed $data): mixed |
| 56 | { |
| 57 | if ($data instanceof JsonResource || $data instanceof ResourceCollection) { |
| 58 | return $data; |
| 59 | } |
| 60 | |
| 61 | if ($data instanceof AbstractPaginator) { |
| 62 | return $data->items(); |
| 63 | } |
| 64 | |
| 65 | if ($data instanceof Arrayable) { |
| 66 | return $data->toArray(); |
| 67 | } |
| 68 | |
| 69 | return $data; |
| 70 | } |
| 71 | |
| 72 | private function paginationMeta(mixed $data): array |
| 73 | { |
| 74 | if (! $data instanceof AbstractPaginator) { |
| 75 | return []; |
| 76 | } |
| 77 | |
| 78 | return [ |
| 79 | 'current_page' => $data->currentPage(), |
| 80 | 'per_page' => $data->perPage(), |
| 81 | 'total' => method_exists($data, 'total') ? $data->total() : null, |
| 82 | 'last_page' => method_exists($data, 'lastPage') ? $data->lastPage() : null, |
| 83 | ]; |
| 84 | } |
| 85 | } |