dugajean/repositories

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Laravel Repositories

0.2 2020-01-10 15:56 UTC

This package is auto-updated.

Last update: 2022-10-08 18:42:46 UTC


README

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Laravel Repositories is a package for Laravel 5 which is used to abstract the database layer. This makes applications much easier to maintain.

This package was originally created by Bosnadev, who is no longer maintaining it; therefore, I have decided to take this project over and assure its maintenance.

Installation

Run the following command from you terminal:

composer require dugajean/repositories

Usage

First, create your repository class with this command:

php artisan make:repository Film

Where Film is the name of an existing model. If the model does not exist, it will be generated for you.

Finally, use the repository in the controller:

<?php 

namespace App\Http\Controllers;

use App\Repositories\FilmRepository;

class FilmsController extends Controller {

    /**
     * @var FilmRepository 
     */
    private $filmRepository;

    public function __construct(FilmRepository $filmRepository) 
    {
        $this->filmRepository = $filmRepository;
    }

    public function index() 
    {
        return response()->json($this->filmRepository->all());
    }
}
Publishing The Configuration

If you wish to override the path where the repositories and criteria live, publish the config file:

php artisan vendor:publish --provider="Dugajean\Repositories\Providers\RepositoryProvider"

Then simply open config/repositories.php and edit away!

Available Methods

The following methods are available:

Dugajean\Repositories\Contracts\RepositoryInterface
public function all($columns = ['*'])
public function lists($value, $key = null)
public function paginate($perPage = 1, $columns = ['*'], $method = 'full');
public function create(array $data)
// if you use mongodb then you'll need to specify primary key $attribute
public function update(array $data, $id, $attribute = 'id')
public function delete($id)
public function find($id, $columns = ['*'])
public function findBy($field, $value, $columns = ['*'])
public function findAllBy($field, $value, $columns = ['*'])
public function findWhere($where, $columns = ['*'])
Dugajean\Repositories\Contracts\CriteriaInterface
public function apply($model, Repository $repository)

Example usage

Create a new film in repository:

$this->filmRepository->create(Input::all());

Update existing film:

$this->filmRepository->update(Input::all(), $film_id);

Delete film:

$this->filmRepository->delete($id);

Find film by film_id;

$this->filmRepository->find($id);

you can also chose what columns to fetch:

$this->filmRepository->find($id, ['title', 'description', 'release_date']);

Get a single row by a single column criteria.

$this->filmRepository->findBy('title', $title);

Or you can get all rows by a single column criteria.

$this->filmRepository->findAllBy('author_id', $author_id);

Get all results by multiple fields

$this->filmRepository->findWhere([
    'author_id' => $author_id,
    ['year', '>', $year]
]);

Criteria

Criteria is a simple way to apply specific condition, or set of conditions to the repository query.

To create a Criteria class, run the following command:

php artisan make:criteria LengthOverTwoHours --model=Film

Here is a sample criteria:

<?php 

namespace App\Repositories\Criteria\Films;

use Dugajean\Repositories\Criteria\Criteria;
use Dugajean\Repositories\Contracts\RepositoryInterface;

class LengthOverTwoHours extends Criteria 
{
    /**
     * @param $model
     * @param RepositoryInterface $repository
     *                                       
     * @return Model
     */
    public function apply($model, RepositoryInterface $repository)
    {
        return $model->where('length', '>', 120);
    }
}

Now, inside you controller class you call pushCriteria method:

<?php 

namespace App\Http\Controllers;

use App\Repositories\FilmRepository;
use App\Repositories\Criteria\Films\LengthOverTwoHours;

class FilmsController extends Controller 
{
    /**
     * @var FilmRepository
     */
    private $filmRepository;

    public function __construct(FilmRepository $filmRepository) 
    {
        $this->filmRepository = $filmRepository;
    }

    public function index() 
    {
        $this->filmRepository->pushCriteria(new LengthOverTwoHours());
        
        return response()->json($this->filmRepository->all());
    }
}

Testing

$ vendor/bin/phpunit

License

Pouch is released under the MIT License.