Add minitutoruial + video titles to export

FredBoat/src/main/java/fredboat/audio/source/PasteServiceConstants.java

@@ -43,6 +43,8 @@ public class PasteServiceConstants {
     static final Pattern PASTEBIN_PATTERN = Pattern
             .compile("^(?:(?:https?://)?(?:www\\.)?)?pastebin\\.com/(?:raw/)?(\\w+)(?:\\..+)?$");
 
+    static final String EXPORT_COMMENTS = "###.*";
+
     static final Map<String, String> PASTE_SERVICE_URLS;
 
     static {

FredBoat/src/main/java/fredboat/audio/source/PlaylistImportSourceManager.java

@@ -161,6 +161,8 @@ private List<String> loadAndParseTrackIds(String serviceName, String pasteId) {
                     "Couldn't load playlist. Either " + serviceName + " is down or the playlist does not exist.",
                     FriendlyException.Severity.FAULT, ex);
         }
+
+        response = response.replaceAll(PasteServiceConstants.EXPORT_COMMENTS, "");
 
         String[] unfiltered = response.split("\\s");
         ArrayList<String> filtered = new ArrayList<>();

FredBoat/src/main/java/fredboat/command/music/info/ExportCommand.java

@@ -52,10 +52,13 @@ public void onInvoke(@Nonnull CommandContext context) {
             throw new MessagingException(context.i18n("exportEmpty"));
         }
 
-        String out = player.getRemainingTracks().stream()
-                .map(atc -> atc.getTrack().getInfo().uri)
+        String hint = "### " + context.i18n("exportPlaylistHint").replaceAll("\n", "\n### ");
+        String list = player.getRemainingTracks().stream()
+                .map(atc -> atc.getTrack().getInfo().uri + " ### " + atc.getTrack().getInfo().title)
                 .collect(Collectors.joining("\n"));
 
+        String out = hint + "\n" + list;
+
         TextUtils.postToPasteService(out)
                 .thenApply(pasteUrl -> {
                     if (pasteUrl.isPresent()) {

FredBoat/src/main/resources/lang/en_US.properties

@@ -42,6 +42,7 @@ volumeSuccess=Changed volume from **{0}%** to **{1}%**.
 exportEmpty=Nothing to export, the queue is empty.
 exportPlaylistResulted=Exported playlist\: {0}\nYou can provide this URL to play the current playlist later.
 exportPlaylistFail=Failed to upload playlist to paste services.
+exportPlaylistHint=Use the play command with this link in order to queue the tracks below (;;play [link to this]).\nIf you wish to add songs manually, you may copy this and use pastebin/hastebin.com.\nKeep in mind that your song names have to be be prefixed with ###.
 listShowShuffled=Showing shuffled playlist.
 listShowRepeatSingle=Repeating current track.
 listShowRepeatAll=Repeating current queue.