possibilité de supprimer une chansons d'une playlist

CodeIgniter-3.1.13/application/controllers/Chansons.php

@@ -52,7 +52,33 @@ class Chansons extends CI_Controller {
 		}else{
 			$playlistId = $this->input->post('playlist_id');
 			$this->model_music->AddSongtoPlaylist($playlistId,$id);
+			redirect('chansons');
 		}
 	}
+
+	public function deleteSongtoPlaylist($id){
+		$playlists = $this->model_music->getPlaylistIdSong($id);
+		
+		$this->form_validation->set_rules('playlist_id', 'playlist_id', 'required');
+
+        if ($this->form_validation->run() == FALSE){
+			$this->load->view('layout/header');
+		    $this->load->view('deleteSongtoplaylist', ["playlists" => $playlists]);
+		    $this->load->view('layout/footer');
+		}else{
+			$playlistId = $this->input->post('playlist_id');
+			$this->model_music->DeleteSongtoPlaylist($playlistId,$id);
+			redirect('chansons');
+		}
+	}
+
+	public function view($id){
+		$chansons = $this->model_music->get_song_playlist($id);
+		$data['chansons'] = $chansons;
+
+		$this->load->view('layout/header');
+		$this->load->view('chansons_list',$data);
+		$this->load->view('layout/footer');
+	}
 }
 

CodeIgniter-3.1.13/application/models/Model_music.php

@@ -237,7 +237,7 @@ class Model_music extends CI_Model {
 	
 		$album->tracks = [];
 		foreach ($songIds as $song) {
-			$this->db->select('song.name as songName, track.duration');
+			$this->db->select('song.name as songName, track.duration, track.Id as trackId');
 			$this->db->from('track');
 			$this->db->join('song', 'track.songId = song.id');
 			$this->db->where('track.songId', $song->songId);
@@ -313,6 +313,18 @@ class Model_music extends CI_Model {
 		return $query = false;
 	}
 
+	public function getPlaylistIdSong($id){
+		$query = $this->db->query(
+			"SELECT Playlist.name, Playlist.playlistid
+			FROM Playlist 
+			JOIN PlaylistSong ON Playlist.playlistid = PlaylistSong.playlistid
+			WHERE PlaylistSong.trackId = $id
+			ORDER BY Playlist.name
+			"
+		);
+	return $query->result();
+	}
+
 	public function addPlayliste($playlist){
 		$this->db->insert("Playlist",$playlist);
 		return $this->db->insert_id();
@@ -324,4 +336,40 @@ class Model_music extends CI_Model {
 			"trackId"=> $trackId);
 		$this->db->insert("PlaylistSong",$tupple);
 	}	
+
+	public function DeleteSongtoPlaylist($idplaylist, $trackId){
+		$tupple = array(
+			"playlistId"=> $idplaylist,
+			"trackId"=> $trackId);
+		$this->db->delete("PlaylistSong",$tupple);
+	}	
+
+	public function get_song_playlist($id){
+        $this->db->select('track.id as trackId, song.name,song.id,album.year,album.name as albumName, artist.name as artistName, genre.name as genreName');
+		$this->db->from('Playlist');
+		$this->db->join('PlaylistSong', 'PlaylistSong.playlistid  = Playlist.playlistid');
+		$this->db->join('track', 'PlaylistSong.trackid  = track.id');
+        $this->db->join('song', 'track.songId  = song.id');
+		$this->db->join('album', 'album.id  = track.albumId');
+        $this->db->join('artist', 'album.artistId = artist.Id');
+		$this->db->join('genre', 'genre.id = album.genreid');
+        $query = $this->db->get();
+        return $query->result();
+	}
+
+	public function SongInPlaylist($id){
+		$query = $this->db->query(
+			"SELECT PlaylistSong.trackId, Playlist.playlistId
+			FROM Playlist 
+			JOIN PlaylistSong ON Playlist.playlistid = PlaylistSong.playlistid
+			WHERE PlaylistSong.trackid = $id
+			ORDER BY Playlist.name
+			"
+		);
+		$query->result();
+		if ($query->num_rows() > 0){
+			return $query = true;
+		}
+		return $query = false;
+	}
 }

CodeIgniter-3.1.13/application/views/addSongtoplaylist.php

@@ -11,7 +11,7 @@
             <div class="playlist-option">
                 <label>
                     <input type="radio" name="playlist_id" value="<?= $playlist->playlistid ?>">
-                    <?= htmlspecialchars($playlist->name) ?>
+                    <?= $playlist->name ?>
                 </label>
             </div>
         <?php endforeach; ?>

CodeIgniter-3.1.13/application/views/albums_view.php

@@ -35,12 +35,22 @@
                     $artistName = $albums->artist->name; 
                     $duration = isset($albums->tracks[$index]->duration) ? convertirSecondesEnMinutes($albums->tracks[$index]->duration) : '';                   
                      echo "<td>{$songName}</td>";
-
+                     
                      echo "<th></th>"; 
                      echo "<th></th>"; 
                      echo "<th></th>"; 
                      echo "<th></th>";
                      echo "<th></th>"; 
+                     if ($this->session->userdata('logged_in')){        
+                        if($this->model_music->SongInPlaylist($albums->tracks[$index]->trackId)){
+                            echo "<td>";
+                            echo anchor("chansons/deleteSongtoPlaylist/{$albums->tracks[$index]->trackId}","<i class='fa-solid fa-trash'></i>");
+                            echo "</td>";  
+                        }                  
+                        echo "<td>";
+                        echo anchor("chansons/addSongtoPlaylist/{$albums->tracks[$index]->trackId}","<i class='fa fa-plus'></i>");
+                        echo "</td>";                      
+                     }
                      echo "<th></th>"; 
                      echo "<th></th>"; 
                      echo "<th></th>"; 

CodeIgniter-3.1.13/application/views/chansons_list.php

@@ -148,7 +148,10 @@ foreach($chansons as $chanson){
 	echo "<header class='short-text'>";
 	echo anchor("chansons/view/{$chanson->id}","{$chanson->name}");
     if($this->session->userdata('logged_in')){
-	    echo anchor("chansons/addSongtoPlaylist/{$chanson->trackId}","<i class='fa fa-plus'></i>");
+        if($this->model_music->SongInPlaylist($chanson->trackId)){
+            echo anchor("chansons/deleteSongtoPlaylist/{$chanson->trackId}","<i class='fa-solid fa-trash'></i>");
+        }
+        echo anchor("chansons/addSongtoPlaylist/{$chanson->trackId}","<i class='fa fa-plus'></i>");
     }
     echo "</header>";
     echo "<nav class='short-text'>Nom album: {$chanson->albumName}</nav>";

CodeIgniter-3.1.13/application/views/deleteSongtoplaylist.php

@@ -0,0 +1,25 @@
+<title>Supprimer une chanson à une playlist</title>
+
+<div class="trie">
+    <h5>Playlists</h5>
+</div>
+
+<section class="list">
+    
+    <form method="post">
+        <?php foreach ($playlists as $playlist): ?>
+            <div class="playlist-option">
+                <label>
+                    <input type="radio" name="playlist_id" value="<?= $playlist->playlistid ?>">
+                    <?= $playlist->name ?>
+                </label>
+            </div>
+        <?php endforeach; ?>
+        <div class="submit-button">
+            <button type="submit" class="btn btn-primary">Supprimer de la playlist</button>
+        </div>
+    </form>
+</section>
+
+</body>
+</html>

CodeIgniter-3.1.13/application/views/playlist_list.php

@@ -7,7 +7,7 @@ echo"</div>";
 foreach($playlists as $playlist){
 	echo "<div><article>";
 	echo "<header class='short-text'>";
-	echo anchor("playlist/view/{$playlist->playlistid}","{$playlist->name}");
+	echo anchor("chansons/view/{$playlist->playlistid}","{$playlist->name}");
 	echo "</header>";
 	echo "</article></div>";
 }