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<?php |
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/** |
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* Author: Nil Portugués Calderó <[email protected]> |
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* Date: 11/27/15 |
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* Time: 7:47 PM. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace NilPortugues\Laravel5\JsonApi\Eloquent; |
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use Illuminate\Database\Eloquent\Builder; |
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use Illuminate\Database\Eloquent\Model; |
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use NilPortugues\Api\JsonApi\Http\Factory\RequestFactory; |
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use NilPortugues\Laravel5\JsonApi\JsonApiSerializer; |
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/** |
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* Class EloquentHelper. |
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*/ |
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trait EloquentHelper |
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{ |
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/** |
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* @param JsonApiSerializer $serializer |
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* @param Builder $builder |
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* |
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* @return Builder |
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*/ |
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public static function paginate(JsonApiSerializer $serializer, Builder $builder) |
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{ |
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self::sort($serializer, $builder, $builder->getModel()); |
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$request = RequestFactory::create(); |
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$builder->paginate( |
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$request->getPageSize(), |
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self::columns($serializer, $request->getFields()), |
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'page', |
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$request->getPageNumber() |
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); |
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return $builder; |
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} |
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/** |
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* @param JsonApiSerializer $serializer |
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* @param Builder $builder |
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* @param Model $model |
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* |
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* @return Builder |
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*/ |
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protected static function sort(JsonApiSerializer $serializer, Builder $builder, Model $model) |
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{ |
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$mapping = $serializer->getTransformer()->getMappingByClassName(get_class($model)); |
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$sorts = RequestFactory::create()->getSortDirection(); |
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if (!empty($sorts)) { |
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$aliased = $mapping->getAliasedProperties(); |
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$sortsFields = str_replace(array_values($aliased), array_keys($aliased), array_keys($sorts)); |
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$sorts = array_combine($sortsFields, array_values($sorts)); |
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foreach ($sorts as $field => $direction) { |
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$builder->orderBy($field, ($direction === 'ascending') ? 'ASC' : 'DESC'); |
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} |
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} |
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return $builder; |
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} |
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/** |
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* @param JsonApiSerializer $serializer |
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* @param array $fields |
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* |
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* @return array |
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*/ |
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public static function columns(JsonApiSerializer $serializer, array $fields) |
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{ |
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$filterColumns = []; |
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foreach ($serializer->getTransformer()->getMappings() as $mapping) { |
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$classAlias = $mapping->getClassAlias(); |
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if (!empty($fields[$classAlias])) { |
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$className = $mapping->getClassName(); |
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$aliased = $mapping->getAliasedProperties(); |
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/** @var \Illuminate\Database\Eloquent\Model $model * */ |
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$model = new $className(); |
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$columns = $fields[$classAlias]; |
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if (count($aliased) > 0) { |
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$columns = str_replace(array_values($aliased), array_keys($aliased), $columns); |
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} |
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foreach ($columns as &$column) { |
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$filterColumns[] = sprintf('%s.%s', $model->getTable(), $column); |
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} |
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$filterColumns[] = sprintf('%s.%s', $model->getTable(), $model->getKeyName()); |
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} |
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} |
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return (count($filterColumns) > 0) ? $filterColumns : ['*']; |
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} |
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} |
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nilportugues /
laravel5-jsonapi-transformer
