SAE_2.02/CodeIgniter-3.1.13/application/models/Model_playlist.php

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<?php
defined('BASEPATH') OR exit('No direct script access allowed');
class Model_playlist extends CI_Model {
public function __construct() {
parent::__construct();
}
public function create_playlist($data) {
// Récupérer l'ID de l'utilisateur à partir de la session
$user_id = $this->session->userdata('user_id');
if ($user_id !== null) {
$data['utilisateur_id'] = $user_id;
return $this->db->insert('playlist', $data);
} else {
return false;
}
}
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// Récupérer une playlist par ID
public function get_playlist_by_id($playlist_id) {
return $this->db->get_where('playlist', array('id' => $playlist_id))->row();
}
// Récupérer toutes les playlists d'un utilisateur spécifique
public function get_user_playlists($user_id) {
$this->db->where('utilisateur_id', $user_id);
return $this->db->get('playlist')->result();
}
// Mettre à jour une playlist
public function update_playlist($playlist_id, $data) {
$this->db->where('id', $playlist_id);
return $this->db->update('playlist', $data);
}
// Supprimer une playlist
public function delete_playlist($playlist_id) {
$this->db->where('id', $playlist_id);
return $this->db->delete('playlist');
}
public function add_song_to_playlist($data) {
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$this->db->where($data);
$existing_entry = $this->db->get('playlist_song')->row();
if ($existing_entry) {
return false;
}
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return $this->db->insert('playlist_song', $data);
}
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public function song_exists_in_playlist($playlist_id, $song_id) {
$this->db->where('playlist_id', $playlist_id);
$this->db->where('song_id', $song_id);
$query = $this->db->get('playlist_song');
return $query->num_rows() > 0;
}
public function artist_songs_exist_in_playlist($playlist_id, $artist_id) {
// Récupérer les chansons de l'artiste spécifié
$artist_songs = $this->Model_music->get_songs_by_artist($artist_id);
// Récupérer les chansons de la playlist
$playlist_songs = $this->get_songs_by_playlist($playlist_id);
// Vérifier chaque chanson de l'artiste dans la playlist
foreach ($artist_songs as $artist_song) {
foreach ($playlist_songs as $playlist_song) {
// Si la chanson de l'artiste est déjà dans la playlist, retourner true
if ($artist_song->id == $playlist_song->id) {
return true;
}
}
}
// Si aucune chanson de l'artiste n'est trouvée dans la playlist, retourner false
return false;
}
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public function album_songs_exist_in_playlist($playlist_id, $album_id) {
$album_songs = $this->Model_music->get_songs_by_album($album_id);
foreach ($album_songs as $song) {
$this->db->where('playlist_id', $playlist_id);
$this->db->where('song_id', $song->id);
$query = $this->db->get('playlist_song');
if ($query->num_rows() > 0) {
return true;
}
}
return false;
}
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// Supprimer une chanson d'une playlist
public function remove_song_from_playlist($playlist_id, $song_id) {
$this->db->where('playlist_id', $playlist_id);
$this->db->where('song_id', $song_id);
return $this->db->delete('playlist_song');
}
public function get_songs_by_playlist($playlist_id) {
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$this->db->select('song.*, artist.name as artist_name');
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$this->db->from('playlist_song');
$this->db->join('song', 'song.id = playlist_song.song_id');
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$this->db->join('artist', 'artist.id = song.artistId');
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$this->db->where('playlist_song.playlist_id', $playlist_id);
return $this->db->get()->result();
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}
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public function add_album_to_playlist($data) {
return $this->db->insert('playlist_album', $data);
}
}
?>