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<?php |
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namespace Huntie\JsonApi\Serializers; |
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class 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 subset of record attributes to return. |
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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 record relations to 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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* Meta information to include. |
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* |
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* @var \Illuminate\Support\Collection |
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*/ |
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protected $meta; |
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/** |
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* Resource links to include. |
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* |
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* @var \Illuminate\Support\Collection |
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*/ |
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protected $links; |
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/** |
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* The loaded records to include. |
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* |
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* @var \Illuminate\Support\Collection |
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*/ |
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protected $included; |
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/** |
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* Create a new JSON API resource serializer. |
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* |
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* @param Model $record The model instance to serialise |
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* @param array|null $fields Subset of fields to return |
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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 $include = []) |
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{ |
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$this->record = $record; |
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$this->fields = array_unique($fields); |
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$this->include = array_unique(array_merge($record->getRelations(), $include)); |
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$this->meta = collect([]); |
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$this->links = collect([]); |
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$this->included = collect([]); |
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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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$this->include->intersect($include); |
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} |
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/** |
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* Add meta information to the returned object. |
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* |
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* @param string|array $key |
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* @param string|int|null $value |
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*/ |
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public function addMeta($key, $value = null) |
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{ |
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$this->meta->merge(is_array($key) ? $key : [$key => $value]); |
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} |
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/** |
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* Add one or more links to the returned object. |
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* |
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* @param string|array $key |
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* @param string|int|null $value |
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*/ |
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public function addLinks($key, $value = null) |
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{ |
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$this->links->merge(is_array($key) ? $key : [$key => $value]); |
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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' => $this->record->id, |
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]; |
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} |
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/** |
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* Return a JSON API resource object for the primary record. |
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* |
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* @return array |
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*/ |
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public function toResourceObject() |
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{ |
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return array_merge($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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* Serialise complete JSON API document to an array. |
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* |
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* @return array |
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*/ |
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public function serialiseToObject() |
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{ |
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return array_filter([ |
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'data' => $this->toResourceObject(), |
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'included' => $this->included->isEmpty() ? null : $this->included->toArray(), |
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'links' => $this->links->isEmpty() ? null : $this->links->toArray(), |
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'meta' => $this->meta->isEmpty() ? null : $this->meta->toArray(), |
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]); |
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} |
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/** |
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* Serialise complete JSON API document to a JSON string. |
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* |
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* @return array |
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*/ |
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public function serializeToJson() |
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{ |
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return json_encode($this->serialiseToObject()); |
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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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return str_slug(str_plural(get_class($this->record))); |
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} |
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/** |
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* Return the attribute object data for the primary record. |
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* |
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* @return array |
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*/ |
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protected function transformRecordAttributes() |
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{ |
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$attributes = array_diff_key($this->record->toArray(), $this->record->getRelations()); |
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$attributes = array_except($attributes, ['id']); |
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if (!empty($this->fields)) { |
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$attributes = array_only($attributes, $this->fields); |
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} |
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return $attributes; |
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} |
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} |
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Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..