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DualResource (Laravel library)

DualResource is a derived class of Laravel Resource.
By DualResource, in addition what API Resource can to do, you can map request data to array with same template.

  • Map Request Data To new array
  • Map Model To json

Installation

Require with Composer

composer require hamidmp/dualresource

Usage

class Person {
    // firstName, lastName, city, ...
    
    public function cars(){
        return $this->hasMany(Car::class);
    }
}

class Car {
    // person_id, name, model, ...   
}

1. Using fname and lname instead of firstName and lastName in client side (API or UI)

class PersonDualResource extends DualResource  {

    protected function mapFields()
    {
        return [
            'fname'=>'fisrtName',
            'lname'=>'lastName',
        ];
    }

}
$data = PersonDualResource::fromRequest($request)->getParameters();
//$request contained: fname, lname
//$data will contain: firstName , lastName 

Note: Method mapFields will generate toArray method and you don't need to change it.

2. With relationship

class PersonDualResource extends DualResource  {

    protected function mapFields()
    {
        return [
            'fname'=>'fisrtName',
            'lname'=>'lastName',
            'car_list'=>['cars',CarDualResource::class],
        ];
    }

}
$data = PersonDualResource::fromRequest($request)->getParameters();
//$request contained: fname, lname, car_list:[ {name, model},... ]
//$data will contain: firstName , lastName, cars=>[ [name,model],... ] 

3. Using anonymous function for mapping

class PersonDualResource extends DualResource  {

    protected function mapFields()
    {
        return [
            'fname'=>'fisrtName',
            'lname'=>'lastName',

            'car_list'=>['cars',function($key){
                //for response
                return CarDualResource::collection($this->{$key});

            },function($data){
                //for request
                return CarDualResource::fromRequestData($data);

            }],
        ];
    }

}

Note: You can ignore each function by returning null value: return null;

4. Using as normal Resource class (for response)

$person=\App\Models\Person::with('cars')->find(1);
return \App\Http\Resources\PersonDualResource::fromModel($person)->response();

Methods

  • Preparing class
//Declaring assign-map between model and data
//return array 
protected function mapFields()
  • from request data
//Preparing DualResource for mapping data from request
public static function fromRequest(Request $request)

//return array of mapped request data
public function getParameters($extra=[], $defaults=[])

//return array of mapped request data plus other ones
public function getAll($extra=[], $defaults=[])
  • for response (json)
//return a new resource instance from one model
public static function fromModel(...$parameters)

//return a new anonymous resource collection from Models
public static function fromModels($resource)

License

The DualSource library is open-sourced software licensed under the MIT license.

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