SAEWEB2.2/ci/application/controllers/Albums.php

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

class Albums extends CI_Controller {

    public function __construct(){
        parent::__construct();
        $this->load->model('model_music');
    }

    public function index(){
        $genre = $this->model_music->getGenre();
        $albums = $this->model_music->getAlbums($genre);
        $playlists = $this->model_music->getPlaylist();
        $this->load->view('layout/header');
        $this->load->view('albums_list', ['albums' => $albums, 'playlists' => $playlists]);
        $this->load->view('layout/footer');

        $selectedGenre = '0';
        $search = '';
        if ($_SERVER["REQUEST_METHOD"] == "POST") {
            if(isset($_POST['Genre'])){
                $selectedGenre = $_POST['Genre'];
            }
        }
        if ($_SERVER["REQUEST_METHOD"] == "POST") {
            if(isset($_POST['recherche'])){
                $search = $_POST['recherche'];
            }
        }
    }

    public function view($album_id){
        $songs = $this->model_music->getSongOfAlbum($album_id);
        if (empty($songs)) {
            $songs = []; 
        }
        $playlists = $this->model_music->getPlaylist();
        $this->load->view('layout/header');
        $this->load->view('song_album_list', ['songs' => $songs, 'playlists' => $playlists]);
        $this->load->view('layout/footer');
    }

    public function addAllSongsToPlaylist(){
        $album_id = $this->input->post('album_id');
        $playlistId = $this->input->post('playlist');
        $songs = $this->model_music->getSongOfAlbum($album_id);
        foreach ($songs as $song) {
            $this->model_music->addSongToPlaylist($song->name, $playlistId);
        }
        redirect('playlist'); 
    }
}
?>