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<?php |
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namespace Huntie\JsonApi\Serializers; |
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use Illuminate\Support\Collection; |
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class ResourceSerializer extends JsonApiSerializer |
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{ |
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/** |
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* The model instance to transform. |
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* |
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* @var \Illuminate\Database\Eloquent\Model |
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*/ |
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protected $record; |
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/** |
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* The record relationships to return. |
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* |
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* @var array |
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*/ |
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protected $relationships; |
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/** |
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* The subset of attributes to return on each record type. |
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* |
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* @var array |
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*/ |
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protected $fields; |
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/** |
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* The relationships to load and include. |
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* |
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* @var array |
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*/ |
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protected $include; |
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/** |
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* Create a new JSON API resource serializer. |
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* |
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* @param \Illuminate\Database\Eloquent\Model $record The model instance to serialise |
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* @param array|null $fields Subset of fields to return by record type |
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* @param array|null $include Relations to include |
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*/ |
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public function __construct($record, array $fields = [], array $include = []) |
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{ |
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parent::__construct(); |
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$this->record = $record; |
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$this->relationships = array_merge($record->getRelations(), $include); |
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$this->fields = array_unique($fields); |
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$this->include = array_unique($include); |
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} |
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/** |
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* Limit which relations can be included. |
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* |
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* @param array $include |
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*/ |
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public function scopeIncludes($include) |
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{ |
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$this->include = array_intersect($this->include, $include); |
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} |
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/** |
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* Return a JSON API resource identifier object for the primary record. |
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* |
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* @return array |
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*/ |
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public function toResourceIdentifier() |
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{ |
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return [ |
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'type' => $this->getRecordType(), |
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'id' => $this->record->id, |
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]; |
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} |
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/** |
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* Return a base JSON API resource object for the primary record containing |
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* only immediate attributes. |
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* |
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* @return array |
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*/ |
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public function toBaseResourceObject() |
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{ |
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return array_merge($this->toResourceIdentifier(), [ |
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'attributes' => $this->transformRecordAttributes(), |
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]); |
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} |
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/** |
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* Return a full JSON API resource object for the primary record. |
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* |
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* @return array |
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*/ |
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public function toResourceObject() |
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{ |
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return array_filter(array_merge($this->toBaseResourceObject(), [ |
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'relationships' => $this->transformRecordRelations()->toArray(), |
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])); |
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} |
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/** |
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* Return a collection of JSON API resource objects for each included |
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* relationship. |
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* |
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* @return \Illuminate\Support\Collection |
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*/ |
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public function getIncludedRecords() |
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{ |
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return collect($this->include)->map(function ($relation) { |
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$records = (new RelationshipSerializer($this->record, $relation, $this->fields))->toResourceCollection(); |
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return $records instanceof Collection ? $records : [$records]; |
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})->flatten(1)->unique()->values(); |
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} |
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/** |
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* Return primary data for the JSON API document. |
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* |
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* @return mixed |
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*/ |
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protected function getPrimaryData() |
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{ |
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return $this->toResourceObject(); |
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} |
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/** |
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* Return any secondary included resource data. |
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* |
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* @return array |
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*/ |
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protected function getIncludedData() |
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{ |
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return $this->getIncludedRecords()->toArray(); |
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} |
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/** |
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* Return the primary record type name. |
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* |
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* @return string |
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*/ |
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protected function getRecordType() |
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{ |
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$modelName = collect(explode('\\', get_class($this->record)))->last(); |
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return snake_case(str_plural($modelName), '-'); |
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} |
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/** |
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* Return the attribute object data for the primary record. |
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* |
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* @return array |
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*/ |
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protected function transformRecordAttributes() |
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{ |
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$attributes = array_diff_key($this->record->toArray(), $this->record->getRelations()); |
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$attributes = array_except($attributes, ['id']); |
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$fields = array_get($this->fields, $this->getRecordType()); |
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if (!empty($fields)) { |
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$attributes = array_only($attributes, $fields); |
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} |
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return $attributes; |
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} |
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/** |
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* Return a collection of JSON API resource identifier objects by each |
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* relation on the primary record. |
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* |
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* @return \Illuminate\Support\Collection |
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*/ |
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protected function transformRecordRelations() |
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{ |
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$this->record->load($this->relationships); |
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return collect($this->relationships)->combine(array_map(function ($relation) { |
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return [ |
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'data' => (new RelationshipSerializer($this->record, $relation))->toResourceLinkage(), |
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]; |
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}, $this->relationships)); |
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} |
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} |
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huntie /
laravel-simple-jsonapi
