public/index.php

@@ -65,6 +65,10 @@ if ($generatePlaylistFromPlaylist) {
 
     $shouldFilterByArtists = isset($_GET['check-playlist-filter-artists']);
     error_log('Filter by artists in source playlists: '.($shouldFilterByArtists ? 'yes' : 'no'));
+
+    $generateLongPlaylist = isset($_GET['check-playlist-long-playlist']);
+    error_log('Generate long playlist: '.($generateLongPlaylist ? 'yes' : 'no'));
+
     $artistsInSourcePlaylists = [];
 
     foreach ($selectedPlaylists as $selectedPlaylistId) {
@@ -82,7 +86,7 @@ if ($generatePlaylistFromPlaylist) {
 
             $recommendations = $api->getRecommendations([
               'seed_tracks' => [$track->track->id],
-              'limit' => 40
+              'limit' => ($generateLongPlaylist ? 50 : 30)
           ]);
             error_log(' -> Got '.count($recommendations->tracks).' recommendatations.');
             foreach ($recommendations->tracks as $recommendedTrack) {
@@ -107,7 +111,7 @@ if ($generatePlaylistFromPlaylist) {
         $recommendedTrackIds = $filteredTrackIds;
     }
 
-    $newPlaylist = createPlaylistWithRandomTracks($api, $recommendedTrackIds);
+    $newPlaylist = createPlaylistWithRandomTracks($api, $recommendedTrackIds, $generateLongPlaylist ? 100 : 50);
     $templateData['infos'][] = getCreatedPlaylistInformationMessage($api, $newPlaylist);
     $templateData['playlist'] = createDisplayablePlaylist($newPlaylist);
 
@@ -120,6 +124,9 @@ if ($generatePlaylistFromPlaylist) {
     $shouldFilterByArtists = isset($_GET['check-top-artist-filter-artists']);
     error_log('Filter by artists in selection: '.($shouldFilterByArtists ? 'yes' : 'no'));
 
+    $generateLongPlaylist = isset($_GET['check-top-artist-long-playlist']);
+    error_log('Generate long playlist: '.($generateLongPlaylist ? 'yes' : 'no'));
+
     foreach ($selectedArtists as $selectedArtist) {
         error_log('Get recommendations for artist '.$selectedArtist.'');
         $recommendations = $api->getRecommendations([
@@ -143,7 +150,7 @@ if ($generatePlaylistFromPlaylist) {
         }
     }
 
-    $newPlaylist = createPlaylistWithRandomTracks($api, $recommendedTrackIds);
+    $newPlaylist = createPlaylistWithRandomTracks($api, $recommendedTrackIds, $generateLongPlaylist ? 100 : 50);
     $templateData['infos'][] = getCreatedPlaylistInformationMessage($api, $newPlaylist);
     $templateData['playlist'] = createDisplayablePlaylist($newPlaylist);
 
@@ -159,6 +166,9 @@ if ($generatePlaylistFromPlaylist) {
     $shouldFilterByArtists = isset($_GET['check-top-artist-filter-artists']);
     error_log('Filter by artists in selection: '.($shouldFilterByArtists ? 'yes' : 'no'));
 
+    $generateLongPlaylist = isset($_GET['check-top-artist-long-playlist']);
+    error_log('Generate long playlist: '.($generateLongPlaylist ? 'yes' : 'no'));
+
     foreach ($selectedArtists as $selectedArtist) {
         error_log('Get recommendations for artist '.$selectedArtist.'');
         $recommendations = $api->getRecommendations([
@@ -182,7 +192,7 @@ if ($generatePlaylistFromPlaylist) {
         }
     }
 
-    $newPlaylist = createPlaylistWithRandomTracks($api, $recommendedTrackIds);
+    $newPlaylist = createPlaylistWithRandomTracks($api, $recommendedTrackIds, $generateLongPlaylist ? 100 : 50);
     $templateData['infos'][] = getCreatedPlaylistInformationMessage($api, $newPlaylist);
     $templateData['playlist'] = createDisplayablePlaylist($newPlaylist);
 } else {

spotify/lib.php

@@ -19,12 +19,12 @@ function createEmptyPlaylist($api)
     return $playlist;
 }
 
-function pickRandomTrackFromArray($recommendedTrackIds, $count = 50)
+function pickRandomTracksFromArray($recommendedTrackIds, $count = 50)
 {
     $recommendedTrackIds = array_keys($recommendedTrackIds);
     error_log('=> Got '.count($recommendedTrackIds).' unique recommendatations.');
     shuffle($recommendedTrackIds);
-    $pickedTrackIds = array_slice($recommendedTrackIds, 0, 50);
+    $pickedTrackIds = array_slice($recommendedTrackIds, 0, $count);
     error_log('Keep '.count($pickedTrackIds).' random tracks.');
 
     return $pickedTrackIds;
@@ -67,7 +67,7 @@ function getRandomArtistsFromTopArtists($api, $countInTopArtists, $countInLessTo
 function createPlaylistWithRandomTracks($api, $trackIds, $count = 50)
 {
     $playlist = createEmptyPlaylist($api);
-    $pickedTrackIds = pickRandomTrackFromArray($trackIds);
+    $pickedTrackIds = pickRandomTracksFromArray($trackIds, $count);
     $api->replacePlaylistTracks($playlist->id, $pickedTrackIds);
 
     return $api->getPlaylist($playlist->id);

template.php

@@ -87,6 +87,7 @@
         </ul>
         <div class="row">
           <div class="col-md-8 col-sm-12">
+            <div>
               <input
                 type="checkbox"
                 class="custom-control-input"
@@ -99,6 +100,19 @@
                 Allow only selected artists in recommendations
               </label>
             </div>
+            <div>
+              <input
+                type="checkbox"
+                class="custom-control-input"
+                id="check-top-artist-long-playlist"
+                name="check-top-artist-long-playlist"
+                value="long-playlist"
+              >
+              <label class="custom-control-label" for="check-top-artist-long-playlist">
+                Generate a long playlist (x2)
+              </label>
+            </div>
+          </div>
           <div class="col-md-4 col-sm-12">
             <div class="btn-group float-end" role="group" aria-label="Action buttons">
               <button name="generate-playlist-random-top-artists" type="submit" class="btn btn-secondary">🎲 Random!</button>
@@ -135,6 +149,7 @@
         </ul>
         <div class="row">
           <div class="col-md-8 col-sm-12">
+            <div>
               <input
                 type="checkbox"
                 class="custom-control-input"
@@ -147,6 +162,19 @@
                 Allow only artists in selected playlists in recommendations
               </label>
             </div>
+            <div>
+              <input
+                type="checkbox"
+                class="custom-control-input"
+                id="check-playlist-long-playlist"
+                name="check-playlist-long-playlist"
+                value="long-playlist"
+              >
+              <label class="custom-control-label" for="check-playlist-long-playlist">
+                Generate a long playlist (x2)
+              </label>
+            </div>
+          </div>
           <div class="col-md-4 col-sm-12">
             <button name="generate-playlist-from-playlist" type="submit" class="btn btn-secondary float-end">🎶 Generate!</button>
           </div>