vaujdui

application/models/Model_playlist.php

@@ -95,4 +95,58 @@ class Model_playlist extends CI_Model {
         $this->db->where('id', $playlistId);
         return $this->db->update('playlists', $data);
     }
+
+    public function createRandomPlaylist($userEmail, $name, $numSongs, $genre) {
+        if ($numSongs <= 0) {
+            return false;
+        }
+
+        // Création de la nouvelle playlist
+        $data = array(
+            'user_email' => $userEmail,
+            'name' => $name
+        );
+        $this->db->insert('playlists', $data);
+        $playlistId = $this->db->insert_id();
+
+        // Filtrage des chansons par genre
+        $this->db->select('track.id');
+        $this->db->from('track');
+        $this->db->join('song', 'track.songid = song.id');
+        $this->db->join('album', 'track.albumid = album.id');
+        $this->db->join('genre', 'album.genreid = genre.id');
+
+        if ($genre) {
+            $this->db->where('genre.name', $genre);
+        }
+
+        $query = $this->db->get();
+        $songs = $query->result();
+
+        if ($numSongs > count($songs)) {
+            $numSongs = count($songs);
+        }
+
+        // Sélection aléatoire de chansons
+        $randomKeys = array_rand($songs, $numSongs);
+        foreach ($randomKeys as $key) {
+            $song = $songs[$key];
+            $this->addItem($playlistId, $song->id, 'song');
+        }
+
+        return true;
+    }
+
+    public function getGenres() {
+        $this->db->select('name');
+        $this->db->from('genre');
+        $query = $this->db->get();
+        return $query->result();
+    }
+
+    public function getPlaylistItemCount($playlistId) {
+        $this->db->where('playlist_id', $playlistId);
+        $this->db->from('playlist_items');
+        return $this->db->count_all_results();
+    }
 }