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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace DevToolbelt\LaravelFastCrud\Actions; |
| 6 | |
| 7 | use Illuminate\Database\Eloquent\Builder; |
| 8 | use Illuminate\Database\Eloquent\Model; |
| 9 | use Illuminate\Http\JsonResponse; |
| 10 | use Illuminate\Http\Request; |
| 11 | use Psr\Http\Message\ResponseInterface; |
| 12 | |
| 13 | /** |
| 14 | * Provides the options (GET /options) action for CRUD controllers. |
| 15 | * |
| 16 | * Returns a list of label-value pairs suitable for populating select dropdowns |
| 17 | * or autocomplete fields in frontend applications. |
| 18 | * |
| 19 | * Query parameters: |
| 20 | * - label (required) - The column name to use as the display label |
| 21 | * - value (optional) - The column name to use as the value (default: external_id) |
| 22 | * |
| 23 | * @method string modelClassName() Returns the Eloquent model class name |
| 24 | * @method JsonResponse|ResponseInterface answerRequired(string $field) Returns required field error response |
| 25 | * @method JsonResponse|ResponseInterface answerColumnNotFound(string $field) Returns column not found error response |
| 26 | * @method JsonResponse|ResponseInterface answerSuccess(array $data, array $meta = []) Returns success response |
| 27 | */ |
| 28 | trait Options |
| 29 | { |
| 30 | /** |
| 31 | * Returns a list of label-value pairs for select dropdowns. |
| 32 | * |
| 33 | * @param Request $request The HTTP request with label and optional value parameters |
| 34 | * @return JsonResponse|ResponseInterface JSON response with array of {label, value} objects |
| 35 | * |
| 36 | * @example |
| 37 | * ``` |
| 38 | * GET /products/options?label=name |
| 39 | * GET /categories/options?label=title&value=slug |
| 40 | * ``` |
| 41 | */ |
| 42 | public function options(Request $request): JsonResponse|ResponseInterface |
| 43 | { |
| 44 | $defaultValue = config('devToolbelt.fast-crud.options.default_value', 'id'); |
| 45 | $value = $request->get('value', $defaultValue); |
| 46 | $label = $request->get('label'); |
| 47 | |
| 48 | if ($label === null) { |
| 49 | return $this->answerRequired('label'); |
| 50 | } |
| 51 | |
| 52 | $modelName = $this->modelClassName(); |
| 53 | |
| 54 | /** @var Model $model */ |
| 55 | $model = new $modelName(); |
| 56 | |
| 57 | if (!$this->hasModelAttribute($model, $label)) { |
| 58 | return $this->answerColumnNotFound($label); |
| 59 | } |
| 60 | |
| 61 | $query = $model->newQuery() |
| 62 | ->select([$value . ' as value', $label . ' as label']) |
| 63 | ->orderBy($label, 'ASC'); |
| 64 | |
| 65 | $this->modifyOptionsQuery($query); |
| 66 | |
| 67 | $records = $query->get()->toArray(); |
| 68 | |
| 69 | $rows = array_map(static fn(array $record): array => [ |
| 70 | 'label' => $record['label'], |
| 71 | 'value' => $record['value'], |
| 72 | ], $records); |
| 73 | |
| 74 | $this->afterOptions($rows); |
| 75 | |
| 76 | return $this->answerSuccess($rows); |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Hook to modify the options query before execution. |
| 81 | * |
| 82 | * Override this method to add conditions, such as filtering |
| 83 | * only active records or scoping to a specific user. |
| 84 | * |
| 85 | * @param Builder $query The query builder instance |
| 86 | * |
| 87 | * @example |
| 88 | * ```php |
| 89 | * protected function modifyOptionsQuery(Builder $query): void |
| 90 | * { |
| 91 | * $query->where('is_active', true); |
| 92 | * } |
| 93 | * ``` |
| 94 | */ |
| 95 | protected function modifyOptionsQuery(Builder $query): void |
| 96 | { |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Hook called after the options have been fetched and formatted. |
| 101 | * |
| 102 | * Override this method to perform post-fetch actions, |
| 103 | * such as caching or modifying the results. |
| 104 | * |
| 105 | * @param array<int, array{label: mixed, value: mixed}> $rows The formatted options array |
| 106 | */ |
| 107 | protected function afterOptions(array $rows): void |
| 108 | { |
| 109 | } |
| 110 | } |