laravel repository class

gistfile1.txt

<?php

namespace App\Repositories;

use Illuminate\Container\Container as App;
use Illuminate\Database\Eloquent\Model;

/**
 * Class Repository
 * @package App\Repositories
 */
abstract class Repository  {

    /**
     * @var App
     */
    private $app;

    /**
     * @var
     */
    protected $model;

    /**
     * @param App $app
     */
    public function __construct(App $app) {
        $this->app = $app;
        $this->makeModel();
    }

    /**
     * Specify Model class name
     *
     * @return mixed
     */
    abstract function model();

    /**
     * @param array $columns
     * @return mixed
     */
    public function all($columns = array('*')) {
        return $this->model->get($columns);
    }

    /**
     * @param int $perPage
     * @param array $columns
     * @return mixed
     */
    public function paginate($perPage = 15, $columns = array('*')) {
        return $this->model->paginate($perPage, $columns);
    }

    /**
     * @param array $data
     * @return mixed
     */
    public function create(array $data) {
        $model = $this->app->make($this->model());
        return $model::create( $data );
    }

    /**
     * @param array $data
     * @param $id
     * @param string $attribute
     * @return mixed
     */
    public function update(array $data, $id, $attribute="id") {
        return $this->model->where($attribute, '=', $id)->update($data);
    }

    /**
     * @param $id
     * @return mixed
     */
    public function delete($id) {
        return $this->model->where('id', '=', $id)->delete();
    }

    /**
     * @param $id
     * @param array $columns
     * @return mixed
     */
    public function find($id, $columns = array('*')) {
        return $this->model->find($id, $columns);
    }

    /**
     * @param $id
     * @param array $columns
     * @return mixed
     */
    public function findOrFail($id, $columns = array('*')) {
        return $this->model->findOrFail($id, $columns);
    }

    /**
     * @param $attribute
     * @param $value
     * @param array $columns
     * @return mixed
     */
    public function findBy($attribute, $value, $columns = array('*')) {
        return $this->model->where($attribute, '=', $value)->first($columns);
    }

    /**
     * @param $id
     * @return mixed
     */
    public function touch( $id ) {
        $model = $this->findOrFail( $id );
        return $model->touch();
    }

    /**
     * @return \Illuminate\Database\Eloquent\Builder
     * @throws Exception
     */
    public function makeModel() {
        $model = $this->app->make($this->model());

        if (!$model instanceof Model) {
            abort(500, "Class {$this->model()} must be an instance of Illuminate\\Database\\Eloquent\\Model");
        }

        return $this->model = $model->newQuery();
    }
}