Discord-Bots warten auf ihre Einladung, Vorlage mit fünf Räumen

bridge/src/main/java/eu/mhsl/voicebridge/bridge/discord/DiscordRoomBot.java

@@ -16,6 +16,8 @@ import net.dv8tion.jda.api.entities.Guild;
 import net.dv8tion.jda.api.entities.Member;
 import net.dv8tion.jda.api.entities.channel.concrete.Category;
 import net.dv8tion.jda.api.entities.channel.concrete.VoiceChannel;
+import net.dv8tion.jda.api.events.guild.GuildJoinEvent;
+import net.dv8tion.jda.api.hooks.ListenerAdapter;
 import net.dv8tion.jda.api.managers.AudioManager;
 import net.dv8tion.jda.api.requests.GatewayIntent;
 import net.dv8tion.jda.api.utils.MemberCachePolicy;
@@ -66,26 +68,38 @@ public final class DiscordRoomBot implements AudioSendHandler, AudioReceiveHandl
                 .enableCache(CacheFlag.VOICE_STATE)
                 .setMemberCachePolicy(MemberCachePolicy.VOICE)
                 .setAudioModuleConfig(new AudioModuleConfig().withDaveSessionFactory(new JDaveSessionFactory()))
+                .addEventListeners(new ListenerAdapter() {
+                    @Override
+                    public void onGuildJoin(@NotNull GuildJoinEvent event) {
+                        if (event.getGuild().getId().equals(config.guild())) executor.execute(DiscordRoomBot.this::setupGuild);
+                    }
+                })
                 .build()
                 .awaitReady();
         } catch (InterruptedException e) {
             Thread.currentThread().interrupt();
             return;
         }
+        setupGuild();
+    }
 
-        guild = jda.getGuildById(config.guild());
-        if (guild == null) {
-            LOG.error("{}: Bot {} ist nicht auf dem Discord-Server {}", room.name(), jda.getSelfUser().getName(), config.guild());
+    /** Channel suchen oder anlegen. Läuft beim Start und erneut, sobald der Bot auf den Server eingeladen wird. */
+    private void setupGuild() {
+        Guild found = jda.getGuildById(config.guild());
+        if (found == null) {
+            LOG.warn("{}: Bot {} ist noch nicht auf dem Discord-Server {}, warte auf Einladung",
+                room.name(), jda.getSelfUser().getName(), config.guild());
             return;
         }
-        VoiceChannel channel = resolveChannel(guild);
+        VoiceChannel channel = resolveChannel(found);
         channelId = channel.getIdLong();
+        guild = found;
         LOG.info("{}: Discord-Bot {} bereit, Channel #{}", room.name(), jda.getSelfUser().getName(), channel.getName());
 
         String nickname = config.nickname().replace("%room%", room.name());
         if (nickname.length() > 32) nickname = nickname.substring(0, 32);
-        if (!nickname.equals(guild.getSelfMember().getNickname())) {
-            guild.getSelfMember().modifyNickname(nickname).queue(null,
+        if (!nickname.equals(found.getSelfMember().getNickname())) {
+            found.getSelfMember().modifyNickname(nickname).queue(null,
                 e -> LOG.debug("{}: Nickname nicht gesetzt: {}", room.name(), e.getMessage()));
         }
     }