Feat: jukebox mode - add whole album #57

Feat: jukebox mode - configurable number of tracks in queue #57

htdocs/index.html

@@ -743,16 +743,30 @@
           <hr/>
           <h4>Jukebox</h4>
           <div class="row">
-            <div class="form-group col-md-6" data-toggle="buttons">
-              <button data-href='{"cmd": "toggleBtn", "options": ["btnJukebox"]}' id="btnJukebox" type="button" class="btn btn-secondary btn-block" title="Jukebox">
-                Jukebox
-              </button>
+            <div class="form-group input-group col-md-6 border-secondary">
+              <div class="input-group-prepend">
+                <div class="input-group-text bg-secondary text-light border-secondary">Mode</div>
+              </div>
+              <select id="selectJukeboxMode" class="form-control custom-select border-secondary">
+                <option value="0">Off</option>
+                <option value="1">Track</option>
+                <option value="2">Album</option>
+              </select>
             </div>
             <div class="form-group input-group col-md-6 border-secondary">
-              <select id="jukeboxPlaylist" class="form-control custom-select border-secondary">
+              <select id="selectJukeboxPlaylist" class="form-control custom-select border-secondary">
               </select>
             </div>
           </div>
+          <div class="row">
+            <div class="form-group input-group col-md-6 border-secondary">
+              <div class="input-group-prepend">
+                <div class="input-group-text bg-secondary text-light border-secondary">Min. queue length</div>
+              </div>
+              <input id="inputJukeboxQueueLength" type="text" class="form-control border-secondary" value="1">
+              <div class="invalid-feedback">Must be a number and &gt; 0</div>
+            </div>
+          </div>          
           <hr/>
           <h4>Notifications</h4>
           <div class="row">

htdocs/js/mympd.js

@@ -808,7 +808,6 @@ function parseSettings(obj) {
     toggleBtn('btnConsume', obj.data.consume);
     toggleBtn('btnSingle', obj.data.single);
     toggleBtn('btnRepeat', obj.data.repeat);
-    toggleBtn('btnJukebox', obj.data.jukeboxMode);
     
     if (obj.data.crossfade != undefined) {
         document.getElementById('inputCrossfade').removeAttribute('disabled');
@@ -859,26 +858,26 @@ function parseSettings(obj) {
     var stickerEls = document.getElementsByClassName('stickers');
     var stickerElsLen = stickerEls.length;
     var displayStickers = obj.data.stickers == true ? '' : 'none';
-    for (var i = 0; i < stickerElsLen; i++) {
+    for (var i = 0; i < stickerElsLen; i++) 
         stickerEls[i].style.display = displayStickers;
-    }
 
     var smartplsEls = document.getElementsByClassName('smartpls');
     var smartplsElsLen = smartplsEls.length;
     var displaySmartpls = obj.data.smartpls == true ? '' : 'none';
-    for (var i = 0; i < smartplsElsLen; i++) {
+    for (var i = 0; i < smartplsElsLen; i++)
         smartplsEls[i].style.display = displaySmartpls;
-    }    
     
-    if (obj.data.mixramp == true) {
+    if (obj.data.mixramp == true)
         document.getElementsByClassName('mixramp')[0].style.display = '';
-    } else {
+    else 
         document.getElementsByClassName('mixramp')[0].style.display = 'none';
-    }
+    
+    document.getElementById('selectJukeboxMode').value = obj.data.jukeboxMode;
+    document.getElementById('inputJukeboxQueueLength').value = obj.data.jukeboxQueueLength;
 
     settings = obj.data;
 
-    playlistEl = 'jukeboxPlaylist';
+    playlistEl = 'selectJukeboxPlaylist';
     sendAPI({"cmd": "MPD_API_PLAYLIST_LIST", "data": {"offset": 0, "filter": "-"}}, getAllPlaylists);
 
     settings.mpdstream = 'http://';
@@ -1544,12 +1543,12 @@ function getAllPlaylists(obj) {
     if (obj.offset == 0) {
         if (playlistEl == 'addToPlaylistPlaylist')
             playlists = '<option></option><option>New Playlist</option>';
-        else if (playlistEl == 'jukeboxPlaylist')
+        else if (playlistEl == 'selectJukeboxPlaylist')
             playlists = '<option>Database</option>';
     }
     for (var i = 0; i < nrItems; i++) {
         playlists += '<option';
-        if (playlistEl == 'jukeboxPlaylist' && obj.data[i].uri == settings.jukeboxPlaylist)
+        if (playlistEl == 'selectJukeboxPlaylist' && obj.data[i].uri == settings.jukeboxPlaylist)
             playlists += ' selected';
         playlists += '>' + obj.data[i].uri + '</option>';
     }
@@ -1831,7 +1830,8 @@ function showMenu(el, event) {
             addMenuItem({"cmd": "replaceQueue", "options": [type, uri, name]}, 'Replace queue') +
             (x.getAttribute('data-ro') == 'false' ? addMenuItem({"cmd": "removeFromPlaylist", "options": [x.getAttribute('data-uri'), 
                     el.parentNode.parentNode.getAttribute('data-songpos')]}, 'Remove') : '') +
-            addMenuItem({"cmd": "showAddToPlaylist", "options": [uri]}, 'Add to playlist');
+            addMenuItem({"cmd": "showAddToPlaylist", "options": [uri]}, 'Add to playlist') +
+            (uri.indexOf('http') == -1 ? addMenuItem({"cmd": "songDetails", "options": [uri]}, 'Songdetails') : '');
     }
     else if (app.current.app == 'Queue') {
         menu += addMenuItem({"cmd": "delQueueSong", "options": ["single", el.parentNode.parentNode.getAttribute('data-trackid')]}, 'Remove') +
@@ -1999,6 +1999,20 @@ function confirmSettings() {
             formOK = false;
         }
     }
+    var inputJukeboxQueueLength = document.getElementById('inputJukeboxQueueLength');
+    var value = parseInt(inputJukeboxQueueLength.value);
+    if (!isNaN(value)) {
+        if (value > 0) {
+            inputJukeboxQueueLength.value = value;
+        } else {
+            inputJukeboxQueueLength.classList.add('is-invalid');
+            formOK = false;
+        }
+    }
+    else {
+        inputJukeboxQueueLength.classList.add('is-invalid');
+        formOK = false;
+    }    
     if (settings.mixramp) {
         var inputMixrampdb = document.getElementById('inputMixrampdb');
         if (!inputMixrampdb.getAttribute('disabled')) {
@@ -2026,7 +2040,8 @@ function confirmSettings() {
     
     if (formOK == true) {
         var selectReplaygain = document.getElementById('selectReplaygain');
-        var selectJukeboxPlaylist = document.getElementById('jukeboxPlaylist');
+        var selectJukeboxPlaylist = document.getElementById('selectJukeboxPlaylist');
+        var selectJukeboxMode = document.getElementById('selectJukeboxMode');
         sendAPI({"cmd": "MPD_API_SETTINGS_SET", "data": {
             "consume": (document.getElementById('btnConsume').classList.contains('active') ? 1 : 0),
             "random":  (document.getElementById('btnRandom').classList.contains('active') ? 1 : 0),
@@ -2038,8 +2053,9 @@ function confirmSettings() {
             "mixrampdelay": (settings.mixramp == true ? document.getElementById('inputMixrampdelay').value : settings.mixrampdelay),
             "notificationWeb": (document.getElementById('btnnotifyWeb').classList.contains('active') ? true : false),
             "notificationPage": (document.getElementById('btnnotifyPage').classList.contains('active') ? true : false),
-            "jukeboxMode": (document.getElementById('btnJukebox').classList.contains('active') ? true : false),
-            "jukeboxPlaylist": selectJukeboxPlaylist.options[selectJukeboxPlaylist.selectedIndex].value
+            "jukeboxMode": selectJukeboxMode.options[selectJukeboxMode.selectedIndex].value,
+            "jukeboxPlaylist": selectJukeboxPlaylist.options[selectJukeboxPlaylist.selectedIndex].value,
+            "jukeboxQueueLength": document.getElementById('inputJukeboxQueueLength').value
         }}, getSettings);
         modalSettings.hide();
     } else

src/mpd_client.c

@@ -112,23 +112,25 @@ void callback_mympd(struct mg_connection *nc, const struct mg_str msg) {
             n = mympd_put_state(mpd.buf, &mpd.song_id, &mpd.next_song_id, &mpd.last_song_id, &mpd.queue_version, &mpd.queue_length);
             break;
         case MPD_API_SETTINGS_SET:
-            je = json_scanf(msg.p, msg.len, "{data: {notificationWeb: %B, notificationPage: %B, jukeboxMode: %B, jukeboxPlaylist: %Q}}", 
+            je = json_scanf(msg.p, msg.len, "{data: {notificationWeb: %B, notificationPage: %B, jukeboxMode: %d, jukeboxPlaylist: %Q, jukeboxQueueLength: %d}}", 
                 &mympd_state.notificationWeb, 
                 &mympd_state.notificationPage,
                 &mympd_state.jukeboxMode,
-                &mympd_state.jukeboxPlaylist);
-            if (je == 4) {
+                &mympd_state.jukeboxPlaylist,
+                &mympd_state.jukeboxQueueLength);
+            if (je == 5) {
                 char tmpfile[400];
                 char statefile[400];
                 snprintf(tmpfile, 400, "%s/tmp/mympd.state", config.varlibdir );
                 snprintf(statefile, 400, "%s/mympd.state", config.varlibdir );
-                json_fprintf(tmpfile, "{notificationWeb: %B, notificationPage: %B, jukeboxMode: %B, jukeboxPlaylist: %Q}", 
+                json_fprintf(tmpfile, "{notificationWeb: %B, notificationPage: %B, jukeboxMode: %d, jukeboxPlaylist: %Q, jukeboxQueueLength: %d}", 
                     mympd_state.notificationWeb,
                     mympd_state.notificationPage,
                     mympd_state.jukeboxMode,
-                    mympd_state.jukeboxPlaylist);
+                    mympd_state.jukeboxPlaylist,
+                    mympd_state.jukeboxQueueLength);
                 rename(tmpfile, statefile);
-                if (mympd_state.jukeboxMode == true)
+                if (mympd_state.jukeboxMode > 0)
                     mympd_jukebox();
             }
             
@@ -597,7 +599,7 @@ void mympd_parse_idle(struct mg_mgr *s, int idle_bitmask) {
                     break;
                 case MPD_IDLE_QUEUE:
                     len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_queue\"}");
-                    if (mympd_state.jukeboxMode == true)
+                    if (mympd_state.jukeboxMode > 0)
                         mympd_jukebox();
                     break;
                 case MPD_IDLE_PLAYER:
@@ -783,7 +785,7 @@ void mympd_idle(struct mg_mgr *s, int timeout) {
             mpd.conn_state = MPD_CONNECTED;
             mympd_mpd_features();
             mympd_smartpls_update_all();
-            if (mympd_state.jukeboxMode == true)
+            if (mympd_state.jukeboxMode > 0)
                 mympd_jukebox();
             mpd_send_idle(mpd.conn);
             break;
@@ -976,9 +978,11 @@ char* mympd_get_tag(struct mpd_song const *song, enum mpd_tag_type tag) {
 void mympd_jukebox() {
     struct mpd_status *status;
     status = mpd_run_status(mpd.conn);
-    int queue_length, num_songs, rand_song, i;
+    int queue_length, num_songs, rand_song, i, j, addSongs;
     struct mpd_entity *entity;
     const struct mpd_song *song;
+    struct mpd_pair *pair;
+    char *album;
     
     if (!status) {
         printf("MPD mpd_run_status: %s\n", mpd_connection_get_error_message(mpd.conn));
@@ -987,19 +991,66 @@ void mympd_jukebox() {
     }
     queue_length = mpd_status_get_queue_length(status);
     mpd_status_free(status);
-    if (queue_length > 0)
+    if (queue_length > mympd_state.jukeboxQueueLength)
         return;
         
     srand((unsigned int)time(NULL));
 
+    if (mympd_state.jukeboxMode == 2) {
+        //Add whole album
+        mpd_search_db_tags(mpd.conn, MPD_TAG_ALBUM);
+        mpd_search_commit(mpd.conn);
+        num_songs = 0;
+        while ((pair = mpd_recv_pair_tag(mpd.conn, MPD_TAG_ALBUM)) != NULL) {
+            num_songs++;
+            mpd_return_pair(mpd.conn, pair);
+        }
+        mpd_response_finish(mpd.conn);
+        num_songs--;
+        if (num_songs > 0) {
+            rand_song = rand() % num_songs;
+            mpd_search_db_tags(mpd.conn, MPD_TAG_ALBUM);
+            mpd_search_commit(mpd.conn);
+            i = 0;
+            while ((pair = mpd_recv_pair_tag(mpd.conn, MPD_TAG_ALBUM )) != NULL)  {
+                if (i == rand_song) {
+                    album = strdup(pair->value);
+                    break;
+                }
+                i++;
+                mpd_return_pair(mpd.conn, pair);
+            }
+            mpd_return_pair(mpd.conn, pair);            
+            mpd_response_finish(mpd.conn);
+            printf("Jukebox enabled, adding random album %s: %d/%d\n", album, rand_song, num_songs);
+            mpd_send_command(mpd.conn, "searchadd", "Album", album, NULL);
+            mpd_response_finish(mpd.conn);
+        }
+    }
+    else if (mympd_state.jukeboxMode == 1) {
+        //Add tracks
         if (strcmp(mympd_state.jukeboxPlaylist, "Database") == 0) {
             struct mpd_stats *stats = mpd_run_stats(mpd.conn);
             num_songs = mpd_stats_get_number_of_songs(stats);
             mpd_stats_free(stats);
+        }
+        else {
+            mpd_send_list_playlist(mpd.conn, mympd_state.jukeboxPlaylist);
+            num_songs = 0;
+            while ((entity = mpd_recv_entity(mpd.conn)) != NULL) {
+                num_songs++;
+                mpd_entity_free(entity);
+            }    
+        }
         num_songs--;
+        addSongs = mympd_state.jukeboxQueueLength - queue_length;
         if (num_songs > 0) {
+            for (j = 0; j < addSongs; j++) {
                 rand_song = rand() % num_songs;
+                if (strcmp(mympd_state.jukeboxPlaylist, "Database") == 0)
                     mpd_send_list_all(mpd.conn, "/");
+                else
+                    mpd_send_list_playlist(mpd.conn, mympd_state.jukeboxPlaylist);            
                 i = 0;
                 while ((entity = mpd_recv_entity(mpd.conn)) != NULL) {
                     if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG) {
@@ -1012,41 +1063,14 @@ void mympd_jukebox() {
                 mpd_response_finish(mpd.conn);
                 song = mpd_entity_get_song(entity);        
                 if (song != NULL) {
-                printf("Jukebox enabled, playing random song from database: %d/%d\n", rand_song, num_songs);
+                    printf("Jukebox enabled, adding random song: %d/%d\n", rand_song, num_songs);
                     mpd_run_add(mpd.conn, mpd_song_get_uri(song));
+                }
+                mpd_entity_free(entity);
+            }
+        }
+    }
     mpd_run_play(mpd.conn);
-            }
-            mpd_entity_free(entity);
-        }
-    }
-    else {
-        mpd_send_list_playlist(mpd.conn, mympd_state.jukeboxPlaylist);
-        num_songs = 0;
-        while ((entity = mpd_recv_entity(mpd.conn)) != NULL) {
-            num_songs++;
-            mpd_entity_free(entity);
-        }
-        num_songs--;
-        if (num_songs > 0) {
-            rand_song = rand() % num_songs;
-            mpd_send_list_playlist(mpd.conn, mympd_state.jukeboxPlaylist);
-            i = 0;
-            while ((entity = mpd_recv_entity(mpd.conn)) != NULL) {
-                if (i == rand_song)
-                    break;
-                i++;
-                mpd_entity_free(entity);
-            }
-            mpd_response_finish(mpd.conn);
-            song = mpd_entity_get_song(entity);
-            if (song != NULL) {
-                printf("Jukebox enabled, playing random song from %s: %d/%d\n", mympd_state.jukeboxPlaylist, rand_song, num_songs);
-                mpd_run_add(mpd.conn, mpd_song_get_uri(song));
-                mpd_run_play(mpd.conn);
-            }
-            mpd_entity_free(entity);
-        }
-    }
 }
 
 int mympd_put_state(char *buffer, int *current_song_id, int *next_song_id, int *last_song_id, unsigned *queue_version, unsigned *queue_length) {
@@ -1138,7 +1162,7 @@ int mympd_put_settings(char *buffer) {
         "repeat: %d, single: %d, crossfade: %d, consume: %d, random: %d, "
         "mixrampdb: %f, mixrampdelay: %f, mpdhost: %Q, mpdport: %d, passwort_set: %B, "
         "streamport: %d, coverimage: %Q, stickers: %B, mixramp: %B, smartpls: %B, maxElementsPerPage: %d, "
-        "replaygain: %Q, notificationWeb: %B, notificationPage: %B, jukeboxMode: %B, jukeboxPlaylist: %Q, "
+        "replaygain: %Q, notificationWeb: %B, notificationPage: %B, jukeboxMode: %d, jukeboxPlaylist: %Q, jukeboxQueueLength: %d, "
         "tags: { Artist: %B, Album: %B, AlbumArtist: %B, Title: %B, Track: %B, Genre: %B, Date: %B,"
         "Composer: %B, Performer: %B }"
         "}}", 
@@ -1163,6 +1187,7 @@ int mympd_put_settings(char *buffer) {
         mympd_state.notificationPage,
         mympd_state.jukeboxMode,
         mympd_state.jukeboxPlaylist,
+        mympd_state.jukeboxQueueLength,
         mpd.tag_artist,
         mpd.tag_album,
         mpd.tag_album_artist,

src/mpd_client.h

@@ -178,8 +178,9 @@ typedef struct {
 typedef struct {
     bool notificationWeb;
     bool notificationPage;
-    bool jukeboxMode;
+    int jukeboxMode;
     const char* jukeboxPlaylist;
+    int jukeboxQueueLength;
 } t_mympd_state;
 
 t_mympd_state mympd_state;

src/mympd.c

@@ -244,22 +244,25 @@ int main(int argc, char **argv) {
     snprintf(statefile, 400, "%s/mympd.state", config.varlibdir);
     if (access(statefile, F_OK ) != -1 ) {
         char *content = json_fread(statefile);
-        int je = json_scanf(content, strlen(content), "{notificationWeb: %B, notificationPage: %B, jukeboxMode: %B, jukeboxPlaylist: %Q}", 
+        int je = json_scanf(content, strlen(content), "{notificationWeb: %B, notificationPage: %B, jukeboxMode: %d, jukeboxPlaylist: %Q, jukeboxQueueLength: %d}",
             &mympd_state.notificationWeb, 
             &mympd_state.notificationPage,
             &mympd_state.jukeboxMode,
-            &mympd_state.jukeboxPlaylist);
-        if (je != 4) {
+            &mympd_state.jukeboxPlaylist,
+            &mympd_state.jukeboxQueueLength);
+        if (je != 5) {
             mympd_state.notificationWeb = false;
             mympd_state.notificationPage = true;
-            mympd_state.jukeboxMode = false;
+            mympd_state.jukeboxMode = 0;
             mympd_state.jukeboxPlaylist = "Database";
+            mympd_state.jukeboxQueueLength = 1;
         }
     } else {
         mympd_state.notificationWeb = false;
         mympd_state.notificationPage = true;
-        mympd_state.jukeboxMode = false;
+        mympd_state.jukeboxMode = 0;
         mympd_state.jukeboxPlaylist = "Database";
+        mympd_state.jukeboxQueueLength = 1;
     }
 
     signal(SIGTERM, signal_handler);