sae_r301_g12/codeigniter-develop/application/controllers/Genre.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Genre extends CI_Controller {

    public function view($id = NULL) {
        if ($id === NULL) {
            redirect('home');
        }

        $this->load->model('Game_model');
        $this->load->model('Genre_model');

        $this->db->where('genreId', $id);
        $data['genre'] = $this->db->get('genre')->row_array();

        if (empty($data['genre'])) {
            show_404();
        }

        $data['games'] = $this->Game_model->get_by_genre($id);

        $this->load->view('games_list_view', $data);
    }
}