Added ability to list all playlists

src/main/java/net/locusworks/discord/eighttrack/audio/Mp3UploadHandler.java

@@ -33,7 +33,6 @@ import java.io.InputStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.util.Arrays;
 import java.util.UUID;
 import org.springframework.stereotype.Component;
 import org.xml.sax.SAXException;

src/main/java/net/locusworks/discord/eighttrack/database/repos/GuildPlaylistRepository.java

@@ -42,6 +42,11 @@ public interface GuildPlaylistRepository extends CrudRepository<GuildPlaylist, L
   @Query("SELECT gpl FROM GuildPlaylist gpl WHERE gpl.guild.guildId = ?1 AND gpl.userId = ?2 AND gpl.playlist = ?3")
   GuildPlaylist findByGuildAndUserIdAndPlaylist(Long guild, Long userId, String playlist);
   
+  List<GuildPlaylist> findByGuild(DiscordGuild guild);
+  
+  @Query("SELECT DISTINCT gpl FROM GuildPlaylist gpl LEFT JOIN FETCH gpl.guildPlaylistSongList WHERE gpl.guild.guildId = ?1")
+  List<GuildPlaylist> findByGuildFetchSongs(Long guild);
+  
   List<GuildPlaylist> findByGuildAndUserId(DiscordGuild guild, Long userId);
   
   @Query("SELECT gpl FROM GuildPlaylist gpl WHERE gpl.guild.guildId = ?1 AND gpl.userId = ?2")

src/main/java/net/locusworks/discord/eighttrack/handlers/GuildMusicHandler.java

@@ -356,7 +356,7 @@ public class GuildMusicHandler {
     event.getChannel().sendMessage(sb.toString()).queue();
   }
 
-  public void adminPlaylist(GuildMessageReceivedEvent event, List<String> commands) {
+  public void adminPlaylist(GuildMessageReceivedEvent event, List<String> commands) throws IOException {
     if(!isAdmin(event)) return;
     if (!checkCommands(event, commands, event.getMember().getAsMention() + ", valid commands are +playst list, play, delete")) return;
     
@@ -527,7 +527,7 @@ public class GuildMusicHandler {
         return;
       }
 
-      int longestPlaylist = 0;
+      int longestPlaylist = 10;
       for(GuildPlaylist gpl : userPlaylist) {
         if (gpl.getPlaylist().length() > longestPlaylist) longestPlaylist = gpl.getPlaylist().length();
       }
@@ -544,8 +544,7 @@ public class GuildMusicHandler {
       }
       sb.append("```");
       event.getChannel().sendMessage("**" + "Currently available playlists for " + event.getMember().getAsMention() + "**").queue((succcess)-> 
-      event.getChannel().sendMessage(sb.toString()).queue()
-          );
+      event.getChannel().sendMessage(sb.toString()).queue());
       return;
     }
 
@@ -622,9 +621,30 @@ public class GuildMusicHandler {
 
   }
   
-  private void listAllPlaylists(GuildMessageReceivedEvent event) {
-    // TODO Auto-generated method stub
-    
+  private void listAllPlaylists(GuildMessageReceivedEvent event) throws IOException {
+    List<GuildPlaylist> userPlaylist = guildSongRepoService.getGuildPlaylistRepo().findByGuildFetchSongs(event.getGuild().getIdLong());
+    if (userPlaylist == null || userPlaylist.isEmpty()) {
+      event.getChannel().sendMessage(event.getAuthor().getAsMention() + ", there are no playlists for this guild").queue();
+      return;
+    }
+    int longestPlaylist = 10;
+    for(GuildPlaylist gpl : userPlaylist) {
+      if (gpl.getPlaylist().length() > longestPlaylist) longestPlaylist = gpl.getPlaylist().length();
+    }
+
+    String fmt = "%6s | %-" + longestPlaylist +"s | %s%n"; 
+
+    StringBuilder sb = new StringBuilder("```");
+    sb.append(String.format(fmt, "", "Playlist", "Song Count"));
+    sb.append(StringUtils.repeat("-", 24 + longestPlaylist)).append("\n");
+
+    int count = 0;
+    for(GuildPlaylist gpl : userPlaylist) {
+      sb.append(String.format(fmt, ++count, gpl.getPlaylist(), gpl.getGuildPlaylistSongList().size()));
+    }
+    sb.append("```");
+    event.getChannel().sendMessage("**Playlists for " + event.getGuild().getName() + "**").queue((succcess)-> 
+    event.getChannel().sendMessage(sb.toString()).queue());
   }
 
   private void deleteUserPlayList(GuildMessageReceivedEvent event, List<String> commands) {