A abstract class for repository

Example Repository Abstract Clas.php

<?php namespace Boruu\Root\Mvc\Repository;


/**
 * Core Repository for Eloquent
 * 
 * @author Murat Ödünç <[email protected]>
 * @copyright (c) 2015, Murat Ödünç
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPLv3
 * @package Repository
 */ 
abstract class EloquentRepository {    
    
    /**
     * Eloquent Model 
     *
     * @var \Illuminate\Database\Eloquent\Model
     */
    protected $model;
    
    /**
     * current model
     * 
     * @var \Illuminate\Database\Eloquent\Model
     */
    protected $current;
        
        /**
         * Constructer
         */
        public function __construct($model = null) {
            
            $this->model = $model;
        }
                
        /**
         * to get all users in a collection object
         * 
         * @return \Illuminate\Database\Eloquent\Collection
         */
        public function all() {
           
            return $this->model->all();        
        }

        /**
         * to get model by id
         * 
         * @param int $id
         * @return Illuminate\Database\Eloquent\Model|null
         */
        public function getById($id) {
            
            return $this->model->find($id);
        }
        
        /**
         * To create model
         * 
         * @param array $attributes
         * @return bool
         */
         abstract public function create(array $attributes);
        
        /**
         * To update model
         * 
         * @param int $id
         * @param array $attributes
         * @return boolean
         */
        abstract public function update($id, array $attributes);
        
        /**
         * to detete model 
         * 
         * @param  int $id
         * @return bool
         */
        public function delete($id) {
            
            $this->current = $this->getById($id);
            
            return is_null($this->current) ? false : $this->current->delete();
        }
                
        /**
         * To get all users in Collection object
         * 
         * @return \Illuminate\Database\Eloquent\Collection
         */
        public function getModels() {
            
            return $this->all();
        }        
               
        /**
         * to get Instance
         * 
         * @return \Illuminate\Database\Eloquent\Model
         */
        public function getCurrent() {
            
            return $this->current;
        }        
        
        
}