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<?php |
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namespace Signifly\Responder\Support; |
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use Exception; |
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use Illuminate\Contracts\Pagination\LengthAwarePaginator; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Support\Arr; |
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use Illuminate\Support\Collection; |
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use Illuminate\Support\Str; |
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use InvalidArgumentException; |
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use Signifly\Responder\Contracts\ModelResolver as Contract; |
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class ModelResolver implements Contract |
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{ |
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/** |
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* Resolve the model from data for a given type. |
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* |
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* @param mixed $data |
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* @param string $type |
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* @return string|null |
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*/ |
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public function resolve($data, string $type): ?string |
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{ |
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$methodName = 'resolveFor'.Str::studly($type); |
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if (method_exists($this, $methodName)) { |
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return $this->$methodName($data); |
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} |
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throw new InvalidArgumentException( |
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sprintf('The type `%s` is invalid for resolving a model.', $type) |
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); |
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} |
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/** |
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* Guard against invalid item. |
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* |
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* @param mixed $item |
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* @return void |
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*/ |
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protected function guardAgainstInvalidItem($item): void |
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{ |
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if (! $item instanceof Model) { |
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throw new Exception('The collection should consists of models.'); |
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} |
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} |
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/** |
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* Resolve for an array. |
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* |
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* @param array $data |
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* @return string|null |
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*/ |
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protected function resolveForArray(array $data): ?string |
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{ |
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if (empty($data)) { |
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return null; |
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} |
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$item = Arr::first($data); |
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return $this->resolveItem($item); |
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} |
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/** |
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* Resolve for a collection. |
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* |
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* @param \Illuminate\Support\Collection $data |
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* @return string|null |
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*/ |
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protected function resolveForCollection(Collection $data): ?string |
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{ |
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if ($data->isEmpty()) { |
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return null; |
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} |
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$item = $data->first(); |
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return $this->resolveItem($item); |
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} |
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/** |
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* Resolve for paginator. |
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* |
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* @param \Illuminate\Contracts\Pagination\LengthAwarePaginator $data |
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* @return string|null |
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*/ |
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protected function resolveForPaginator(LengthAwarePaginator $data): ?string |
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{ |
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if ($data->isEmpty()) { |
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return null; |
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} |
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$item = $data->getCollection()->first(); |
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return $this->resolveItem($item); |
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} |
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/** |
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* Resolve an item. |
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* |
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* @param mixed $item |
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* @return string |
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*/ |
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protected function resolveItem($item): string |
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{ |
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$this->guardAgainstInvalidItem($item); |
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return get_class($item); |
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} |
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} |
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signifly /
laravel-api-responder
