Modelo de Repository [LARAVEL]

CategoryRepository.php

<?php

namespace MyApp\Repository;

use MyApp\Category;

class CategoryRepository
{
	/**
	 * @return \Illuminate\Database\Eloquent\Collection|static[]
	 */
	public function all(){}

	/**
	 * @param int  $id
	 * @param bool $fail
	 *
	 * @return Category
	 */
	public function find($id, $fail = TRUE)
	{
		if ($fail) {
			return Category::findOrFail($id);
		}

		return Category::find($id);
	}

	/**
	 * @param Category $category
	 * @param array    $data
	 *
	 * @return bool
	 */
	public function update(Category &$category, $data = array())
	{
		if (empty($data)) {
			$category->fill(Input::except('_method'));
		} else {
			$category->fill($data);
		}

		return $this->save($category);
	}

	/**
	 * @param Category $category
	 * @param array    $rules
	 *
	 * @return bool
	 */
	public function save(Category &$category, $rules = array())
	{
		if (empty($rules)) {
			return $category->save();
		}

		return $category->save($rules);
	}

	/**
	 * @param array $data
	 *
	 * @return Category
	 */
	public function create($data = array())
	{
		$category = new Category();

		if (empty($data)) {
			$category->fill(Input::except('_method'));
		} else {
			$category->fill($data);
		}

		return $category;
	}
}