Implement shuffle radio feature (#145)

libresonic-main/src/main/java/org/libresonic/player/ajax/PlayQueueInfo.java

@@ -33,15 +33,17 @@ public class PlayQueueInfo {
     private final List<Entry> entries;
     private final boolean stopEnabled;
     private final boolean repeatEnabled;
+    private final boolean radioEnabled;
     private final boolean sendM3U;
     private final float gain;
     private int startPlayerAt = -1;
     private long startPlayerAtPosition; // millis
 
-    public PlayQueueInfo(List<Entry> entries, boolean stopEnabled, boolean repeatEnabled, boolean sendM3U, float gain) {
+    public PlayQueueInfo(List<Entry> entries, boolean stopEnabled, boolean repeatEnabled, boolean radioEnabled, boolean sendM3U, float gain) {
         this.entries = entries;
         this.stopEnabled = stopEnabled;
         this.repeatEnabled = repeatEnabled;
+        this.radioEnabled = radioEnabled;
         this.sendM3U = sendM3U;
         this.gain = gain;
     }
@@ -72,6 +74,10 @@ public class PlayQueueInfo {
         return repeatEnabled;
     }
 
+    public boolean isRadioEnabled() {
+        return radioEnabled;
+    }
+
     public float getGain() {
         return gain;
     }

libresonic-main/src/main/java/org/libresonic/player/ajax/PlayQueueService.java

@@ -148,6 +148,18 @@ public class PlayQueueService {
         return convert(request, player, serverSidePlaylist, offset);
     }
 
+    public PlayQueueInfo reloadSearchCriteria() throws Exception {
+        HttpServletRequest request = WebContextFactory.get().getHttpServletRequest();
+        HttpServletResponse response = WebContextFactory.get().getHttpServletResponse();
+        String username = securityService.getCurrentUsername(request);
+        Player player = getCurrentPlayer(request, response);
+        PlayQueue playQueue = player.getPlayQueue();
+        if (playQueue.getRandomSearchCriteria() != null) {
+            playQueue.addFiles(true, mediaFileService.getRandomSongs(playQueue.getRandomSearchCriteria(), username));
+        }
+        return convert(request, player, false);
+    }
+
     public void savePlayQueue(int currentSongIndex, long positionMillis) {
         HttpServletRequest request = WebContextFactory.get().getHttpServletRequest();
         HttpServletResponse response = WebContextFactory.get().getHttpServletResponse();
@@ -581,7 +593,13 @@ public class PlayQueueService {
         HttpServletRequest request = WebContextFactory.get().getHttpServletRequest();
         HttpServletResponse response = WebContextFactory.get().getHttpServletResponse();
         Player player = getCurrentPlayer(request, response);
-        player.getPlayQueue().setRepeatEnabled(!player.getPlayQueue().isRepeatEnabled());
+        PlayQueue playQueue = player.getPlayQueue();
+        if (playQueue.isRadioEnabled()) {
+            playQueue.setRandomSearchCriteria(null);
+            playQueue.setRepeatEnabled(false);
+        } else {
+            playQueue.setRepeatEnabled(!player.getPlayQueue().isRepeatEnabled());
+        }
         return convert(request, player, false);
     }
 
@@ -668,7 +686,7 @@ public class PlayQueueService {
         }
         boolean isStopEnabled = playQueue.getStatus() == PlayQueue.Status.PLAYING && !player.isExternalWithPlaylist();
         float gain = jukeboxService.getGain();
-        return new PlayQueueInfo(entries, isStopEnabled, playQueue.isRepeatEnabled(), serverSidePlaylist, gain);
+        return new PlayQueueInfo(entries, isStopEnabled, playQueue.isRepeatEnabled(), playQueue.isRadioEnabled(), serverSidePlaylist, gain);
     }
 
     private String formatFileSize(Long fileSize, Locale locale) {

libresonic-main/src/main/java/org/libresonic/player/controller/RandomPlayQueueController.java

@@ -199,7 +199,7 @@ public class RandomPlayQueueController extends ParameterizableViewController {
         List<MusicFolder> musicFolders = getMusicFolders(request);
 
         // Do we add to the current playlist or do we replace it?
-        boolean shouldAddToPlayList = ServletRequestUtils.getBooleanParameter(request, "addToPlaylist", false);
+        boolean shouldAddToPlayList = request.getParameter("addToPlaylist") != null;
 
         // Search the database using these criteria
         RandomSearchCriteria criteria = new RandomSearchCriteria(

libresonic-main/src/main/java/org/libresonic/player/domain/PlayQueue.java

@@ -368,6 +368,15 @@ public class PlayQueue {
         this.repeatEnabled = repeatEnabled;
     }
 
+    /**
+     * Returns whether the playlist is a shuffle radio
+     *
+     * @return Whether the playlist is a shuffle radio.
+     */
+    public synchronized boolean isRadioEnabled() {
+        return this.randomSearchCriteria != null;
+    }
+
     /**
      * Revert the last operation.
      */

libresonic-main/src/main/resources/org/libresonic/player/i18n/ResourceBundle_en.properties

@@ -100,6 +100,7 @@ playlist.clear = Clear
 playlist.shuffle = Shuffle
 playlist.repeat_on = Repeat is on
 playlist.repeat_off = Repeat is off
+playlist.repeat_radio = Stop shuffle radio
 playlist.undo = Undo
 playlist.settings = Settings
 playlist.more = More actions...
@@ -233,7 +234,8 @@ more.random.text = Shuffle play
 more.random.songs = {0} songs
 more.random.auto = Play more random songs when end of play queue is reached.
 more.random.ok = OK
-more.random.addtoplaylist = Add to current playlist
+more.random.add = Add to queue
+more.random.radio = Shuffle radio
 more.random.any = Any
 more.random.format = Format
 more.random.genre = Genre

libresonic-main/src/main/webapp/WEB-INF/jsp/more.jsp

@@ -232,24 +232,13 @@
                         <option value="mp3">MP3</option>
                     </select>
                 </td>
-                <td><fmt:message key="more.random.addtoplaylist"/></td>
-                <td>
-                    <input name="addToPlaylist" value="true" type="checkbox"/>
-                </td>
             </tr>
             <tr>
                 <td colspan="2">
-                  <input type="submit" value="<fmt:message key="more.random.ok"/>">
+                  <input type="submit" name="addToPlaylist" value="<fmt:message key="more.random.add"/>">
+                  <input type="submit" name="autoRandom" value="<fmt:message key="more.random.radio"/>">
                 </td>
             </tr>
-            <c:if test="${not model.clientSidePlaylist}">
-                <tr>
-                    <td colspan="9">
-                        <input type="checkbox" name="autoRandom" id="autoRandom" class="checkbox"/>
-                        <label for="autoRandom"><fmt:message key="more.random.auto"/></label>
-                    </td>
-                </tr>
-            </c:if>
         </table>
     </form>
 </c:if>

libresonic-main/src/main/webapp/WEB-INF/jsp/playQueue.jsp

@@ -37,6 +37,7 @@
     var songs = null;
     var currentStreamUrl = null;
     var repeatEnabled = false;
+    var radioEnabled = false;
     var isVisible = ${model.autoHide ? 'false' : 'true'};
     var CastPlayer = new CastPlayer();
     var ignore = false;
@@ -269,7 +270,13 @@
     }
     function onNext(wrap) {
         var index = parseInt(getCurrentSongIndex()) + 1;
-        if (wrap) {
+        if (radioEnabled && index >= songs.length) {
+            playQueueService.reloadSearchCriteria(function(playQueue) {
+                playQueueCallback(playQueue);
+                onSkip(index);
+            });
+            return;
+        } else if (wrap) {
             index = index % songs.length;
         }
         onSkip(index);
@@ -402,14 +409,20 @@
     function playQueueCallback(playQueue) {
         songs = playQueue.entries;
         repeatEnabled = playQueue.repeatEnabled;
+        radioEnabled = playQueue.radioEnabled;
         if ($("#start")) {
             $("#start").toggle(!playQueue.stopEnabled);
             $("#stop").toggle(playQueue.stopEnabled);
         }
 
         if ($("#toggleRepeat")) {
-            var text = repeatEnabled ? "<fmt:message key="playlist.repeat_on"/>" : "<fmt:message key="playlist.repeat_off"/>";
+            if (radioEnabled) {
-            $("#toggleRepeat").html(text);
+                $("#toggleRepeat").html("<fmt:message key="playlist.repeat_radio"/>");
+            } else if (repeatEnabled) {
+                $("#toggleRepeat").html("<fmt:message key="playlist.repeat_on"/>");
+            } else {
+                $("#toggleRepeat").html("<fmt:message key="playlist.repeat_off"/>");
+            }
         }
 
         if (songs.length == 0) {