random songs button

src/api.vala

@@ -22,6 +22,8 @@ errordomain SubsonicError {
   ERROR
 }
 
+public delegate void Wavelet.SongCallback (Song song);
+
 public class Wavelet.Artist : Object, Json.Serializable {
     public string index;
     public string id;
@@ -131,7 +133,7 @@ public struct Wavelet.API.PlayQueue {
         this.changed_by = reader.get_string_value ();
         reader.end_member ();
 
-        print("%s %lli %s %s\n",this.current, this.position, this.changed, this.changed_by);
+        //print("%s %lli %s %s\n",this.current, this.position, this.changed, this.changed_by);
 
         this.songs = new ListStore (typeof (Song));
 
@@ -193,6 +195,7 @@ public class Wavelet.Subsonic : Object {
     public async void ping () throws Error {
         var msg = new Soup.Message ("GET", @"$(this.url)/rest/ping?$(this.parameters)");
         var bytes = yield this.session.send_and_read_async (msg, Priority.DEFAULT, null);
+        assert (msg.get_status () == Soup.Status.OK);
 
         var parser = new Json.Parser ();
         parser.load_from_data ((string) bytes.get_data ());
@@ -323,4 +326,34 @@ public class Wavelet.Subsonic : Object {
             }
         }
     }
+
+    public async void get_random_songs (string? parameters, SongCallback callback) throws Error {
+        string str_parameters;
+        if (parameters == null) {
+            str_parameters = "";
+        } else {
+            str_parameters = @"$parameters&";
+        }
+
+        var msg = new Soup.Message("GET", @"$(this.url)/rest/getRandomSongs?$(str_parameters)size=500&$(this.parameters)");
+        var bytes = yield this.session.send_and_read_async (msg, Priority.DEFAULT, null);
+        assert (msg.get_status () == Soup.Status.OK);
+
+        var parser = new Json.Parser ();
+        parser.load_from_data ((string) bytes.get_data ());
+
+        var reader = new Json.Reader (parser.get_root ());
+        this.unwrap_response (reader);
+
+        reader.read_member ("randomSongs");
+        reader.read_member ("song");
+
+        for (int i = 0; i < reader.count_elements (); i += 1) {
+            reader.read_element (i);
+            callback (new Song (reader));
+            reader.end_element ();
+        }
+
+        assert (reader.get_error () == null);
+    }
 }

src/application.vala

@@ -71,6 +71,18 @@ public class Wavelet.Application : Adw.Application {
                 win.song_list.set_ready ();
             });
             //api.reload.begin ();
+
+            win.shuffle_all_tracks.sensitive = true;
+            win.shuffle_all_tracks.activated.connect (() => {
+                win.shuffle_all_tracks.sensitive = false;
+                win.play_queue.clear ();
+                api.get_random_songs.begin (null, (song) => {
+                    win.play_queue.queue (song);
+                }, (obj, res) => {
+                    api.get_random_songs.end (res);
+                    win.shuffle_all_tracks.sensitive = true;
+                });
+            });
         });
         win.setup.load (config_db);
     }

src/play_queue.blp

@@ -10,15 +10,11 @@ template $WaveletPlayQueue: Adw.NavigationPage {
 
     ScrolledWindow {
       ListView list_view {
-        styles [
-          "view",
-        ]
-
         factory: BuilderListItemFactory {
           template ListItem {
             child: Label {
               halign: start;
-              label: bind template.item as <$WaveletSong>.name;
+              label: bind template.item as <$WaveletSong>.title;
             };
           }
         };

src/window.blp

@@ -53,9 +53,10 @@ template $WaveletWindow: Adw.ApplicationWindow {
                 "navigation-sidebar",
               ]
 
-              Adw.ButtonRow {
+              Adw.ButtonRow shuffle_all_tracks {
                 title: _("Shuffle all tracks");
                 start-icon-name: "media-playlist-shuffle";
+                sensitive: false;
               }
             }
           };

src/window.vala

@@ -29,6 +29,7 @@ public class Wavelet.Window : Adw.ApplicationWindow {
     [GtkChild] public unowned Wavelet.ArtistList artist_list;
     [GtkChild] public unowned Wavelet.SongList song_list;
     [GtkChild] public unowned Wavelet.PlayQueue play_queue;
+    [GtkChild] public unowned Adw.ButtonRow shuffle_all_tracks;
 
     public Window (Gtk.Application app) {
         Object (application: app);