Add voice status feature

src/main/java/net/dv8tion/jda/api/Permission.java

@@ -87,6 +87,7 @@ public enum Permission
     VOICE_START_ACTIVITIES(   39, true, true, "Use Activities"),
     VOICE_USE_SOUNDBOARD(     42, true, true, "Use Soundboard"),
     VOICE_USE_EXTERNAL_SOUNDS(45, true, true, "Use External Sounds"),
+    VOICE_SET_STATUS(         48, true, true, "Set Voice Channel Status"),
 
     // Stage Channel Permissions
     REQUEST_TO_SPEAK(      32, true, true, "Request to Speak"),

src/main/java/net/dv8tion/jda/api/audit/ActionType.java

@@ -18,6 +18,7 @@
 
 import net.dv8tion.jda.api.entities.Member;
 import net.dv8tion.jda.api.entities.ScheduledEvent;
+import net.dv8tion.jda.api.entities.channel.attribute.IVoiceStatusChannel;
 import net.dv8tion.jda.api.entities.channel.middleman.GuildChannel;
 import net.dv8tion.jda.api.entities.emoji.RichCustomEmoji;
 
@@ -635,6 +636,27 @@ public enum ActionType
      */
     AUTO_MODERATION_MEMBER_TIMEOUT(    145, TargetType.MEMBER),
 
+    /**
+     * A user updated the {@link IVoiceStatusChannel#getStatus() status} of a voice channel.
+     *
+     * <p><b>Possible Keys</b><br>
+     * <ul>
+     *     <li>{@link AuditLogKey#CHANNEL_VOICE_STATUS CHANNEL_VOICE_STATUS}</li>
+     *     <li>{@link AuditLogKey#CHANNEL_ID CHANNEL_ID}</li>
+     * </ul>
+     */
+    VOICE_CHANNEL_STATUS_UPDATE(192, TargetType.CHANNEL),
+
+    /**
+     * A user removed the {@link IVoiceStatusChannel#getStatus() status} of a voice channel.
+     *
+     * <p><b>Possible Keys</b><br>
+     * <ul>
+     *     <li>{@link AuditLogKey#CHANNEL_ID CHANNEL_ID}</li>
+     * </ul>
+     */
+    VOICE_CHANNEL_STATUS_DELETE(193, TargetType.CHANNEL),
+
     UNKNOWN(-1, TargetType.UNKNOWN);
 
     private final int key;

src/main/java/net/dv8tion/jda/api/audit/AuditLogKey.java

@@ -240,6 +240,14 @@ public enum AuditLogKey
      */
     CHANNEL_TOPIC("topic"),
 
+    /**
+     * Change of the {@link VoiceChannel#getStatus() VoiceChannel.getStatus()} value.
+     * <br>Only for {@link ChannelType#VOICE ChannelType.VOICE}
+     *
+     * <p>Expected type: <b>String</b>
+     */
+    CHANNEL_VOICE_STATUS("status"),
+
     /**
      * Change of the {@link ISlowmodeChannel#getSlowmode()} value.
      *

src/main/java/net/dv8tion/jda/api/entities/channel/ChannelField.java

@@ -172,6 +172,14 @@ public enum ChannelField
      * @see VoiceChannel#getUserLimit()
      */
     USER_LIMIT("userlimit", AuditLogKey.CHANNEL_USER_LIMIT),
+    /**
+     * The status of the channel.
+     *
+     * <p>Limited to {@link VoiceChannel Voice Channels}.
+     *
+     * @see VoiceChannel#getStatus()
+     */
+    VOICE_STATUS("status", AuditLogKey.CHANNEL_VOICE_STATUS),
 
 
     //Thread Specific

src/main/java/net/dv8tion/jda/api/entities/channel/attribute/IVoiceStatusChannel.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright 2015 Austin Keener, Michael Ritter, Florian Spieß, and the JDA contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.dv8tion.jda.api.entities.channel.attribute;
+
+import net.dv8tion.jda.api.Permission;
+import net.dv8tion.jda.api.entities.channel.Channel;
+import net.dv8tion.jda.api.requests.restaction.AuditableRestAction;
+
+import javax.annotation.CheckReturnValue;
+import javax.annotation.Nonnull;
+
+/**
+ * Channel with a modifiable voice status.
+ * <br>This can be used to indicate what is going on to people outside the channel.
+ */
+public interface IVoiceStatusChannel extends Channel
+{
+    /** The maximum length of a voice status {@value} */
+    int MAX_STATUS_LENGTH = 500;
+
+    /**
+     * The current voice channel status.
+     * <br>This can be configured by users who are connected
+     * and have the {@link net.dv8tion.jda.api.Permission#VOICE_SET_STATUS set voice channel status} permission.
+     *
+     * @return The current voice channel status, or empty string if unset
+     */
+    @Nonnull
+    String getStatus();
+
+    /**
+     * Change the current voice channel status.
+     * <br>This can be configured by users who are connected
+     * and have the {@link net.dv8tion.jda.api.Permission#VOICE_SET_STATUS set voice channel status} permission.
+     *
+     * @param  status
+     *         The new status, or empty to unset
+     *
+     * @throws IllegalArgumentException
+     *         If the status is null or longer than {@value #MAX_STATUS_LENGTH} characters
+     * @throws net.dv8tion.jda.api.exceptions.MissingAccessException
+     *         If the currently logged in account does not have {@link Permission#VIEW_CHANNEL Permission.VIEW_CHANNEL} in this channel
+     * @throws net.dv8tion.jda.api.exceptions.InsufficientPermissionException
+     *         <ul>
+     *             <li>If the currently logged in account is <b>not connected</b> and does not have the {@link Permission#MANAGE_CHANNEL MANAGE_CHANNEL} permission.</li>
+     *             <li>If the currently logged in account is <b>connected</b> and does not have the {@link Permission#VOICE_SET_STATUS VOICE_SET_STATUS} permission.</li>
+     *         </ul>
+     *
+     * @return {@link AuditableRestAction}
+     */
+    @Nonnull
+    @CheckReturnValue
+    AuditableRestAction<Void> modifyStatus(@Nonnull String status);
+}

src/main/java/net/dv8tion/jda/api/entities/channel/concrete/VoiceChannel.java

@@ -19,6 +19,7 @@
 import net.dv8tion.jda.api.entities.Guild;
 import net.dv8tion.jda.api.entities.channel.attribute.IAgeRestrictedChannel;
 import net.dv8tion.jda.api.entities.channel.attribute.ISlowmodeChannel;
+import net.dv8tion.jda.api.entities.channel.attribute.IVoiceStatusChannel;
 import net.dv8tion.jda.api.entities.channel.attribute.IWebhookContainer;
 import net.dv8tion.jda.api.entities.channel.middleman.AudioChannel;
 import net.dv8tion.jda.api.entities.channel.middleman.GuildChannel;
@@ -47,7 +48,7 @@
  * @see   JDA#getVoiceChannelsByName(String, boolean)
  * @see   JDA#getVoiceChannelById(long)
  */
-public interface VoiceChannel extends StandardGuildChannel, GuildMessageChannel, AudioChannel, IWebhookContainer, IAgeRestrictedChannel, ISlowmodeChannel
+public interface VoiceChannel extends StandardGuildChannel, GuildMessageChannel, AudioChannel, IWebhookContainer, IAgeRestrictedChannel, ISlowmodeChannel, IVoiceStatusChannel
 {
     /**
      * The maximum limit you can set with {@link VoiceChannelManager#setUserLimit(int)}. ({@value})

src/main/java/net/dv8tion/jda/api/events/channel/update/ChannelUpdateVoiceStatusEvent.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2015 Austin Keener, Michael Ritter, Florian Spieß, and the JDA contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.dv8tion.jda.api.events.channel.update;
+
+import net.dv8tion.jda.api.JDA;
+import net.dv8tion.jda.api.entities.channel.Channel;
+import net.dv8tion.jda.api.entities.channel.ChannelField;
+import net.dv8tion.jda.api.entities.channel.concrete.VoiceChannel;
+
+import javax.annotation.Nonnull;
+
+/**
+ * Indicates that a {@link Channel Channel's} voice channel status has been updated.
+ *
+ * <p>Can be used to retrieve the old status and the new one.
+ *
+ * <p>Limited to {@link VoiceChannel VoiceChannels}.
+ *
+ * @see VoiceChannel#getStatus()
+ */
+public class ChannelUpdateVoiceStatusEvent extends GenericChannelUpdateEvent<String>
+{
+    public static final ChannelField FIELD = ChannelField.VOICE_STATUS;
+    public static final String IDENTIFIER = FIELD.getFieldName();
+
+    public ChannelUpdateVoiceStatusEvent(@Nonnull JDA api, long responseNumber, Channel channel, String oldValue, String newValue)
+    {
+        super(api, responseNumber, channel, FIELD, oldValue, newValue);
+    }
+}

src/main/java/net/dv8tion/jda/api/hooks/ListenerAdapter.java

@@ -212,6 +212,7 @@ public void onChannelUpdateDefaultReaction(@Nonnull ChannelUpdateDefaultReaction
     public void onChannelUpdateDefaultSortOrder(@Nonnull ChannelUpdateDefaultSortOrderEvent event) {}
     public void onChannelUpdateDefaultLayout(@Nonnull ChannelUpdateDefaultLayoutEvent event) {}
     public void onChannelUpdateTopic(@Nonnull ChannelUpdateTopicEvent event) {}
+    public void onChannelUpdateVoiceStatus(@Nonnull ChannelUpdateVoiceStatusEvent event) {}
     public void onChannelUpdateType(@Nonnull ChannelUpdateTypeEvent event) {}
     public void onChannelUpdateUserLimit(@Nonnull ChannelUpdateUserLimitEvent event) {}
     public void onChannelUpdateArchived(@Nonnull ChannelUpdateArchivedEvent event) {}

src/main/java/net/dv8tion/jda/api/requests/Route.java

@@ -203,6 +203,7 @@ public static class Channels
         public static final Route CREATE_PERM_OVERRIDE = new Route(PUT,    "channels/{channel_id}/permissions/{permoverride_id}");
         public static final Route MODIFY_PERM_OVERRIDE = new Route(PUT,    "channels/{channel_id}/permissions/{permoverride_id}");
         public static final Route DELETE_PERM_OVERRIDE = new Route(DELETE, "channels/{channel_id}/permissions/{permoverride_id}");
+        public static final Route SET_STATUS =           new Route(PUT,    "channels/{channel_id}/voice-status");
 
         public static final Route SEND_TYPING =          new Route(POST,   "channels/{channel_id}/typing");
         public static final Route GET_PERMISSIONS =      new Route(GET,    "channels/{channel_id}/permissions");

src/main/java/net/dv8tion/jda/internal/entities/EntityBuilder.java

@@ -1219,6 +1219,7 @@ public VoiceChannel createVoiceChannel(GuildImpl guild, DataObject json, long gu
             .setParentCategory(json.getLong("parent_id", 0))
             .setLatestMessageIdLong(json.getLong("last_message_id", 0))
             .setName(json.getString("name"))
+            .setStatus(json.getString("status", ""))
             .setPosition(json.getInt("position"))
             .setUserLimit(json.getInt("user_limit"))
             .setNSFW(json.getBoolean("nsfw"))

src/main/java/net/dv8tion/jda/internal/entities/channel/concrete/VoiceChannelImpl.java

@@ -26,8 +26,11 @@
 import net.dv8tion.jda.api.entities.channel.concrete.Category;
 import net.dv8tion.jda.api.entities.channel.concrete.VoiceChannel;
 import net.dv8tion.jda.api.managers.channel.concrete.VoiceChannelManager;
+import net.dv8tion.jda.api.requests.Route;
+import net.dv8tion.jda.api.requests.restaction.AuditableRestAction;
 import net.dv8tion.jda.api.requests.restaction.ChannelAction;
 import net.dv8tion.jda.api.utils.MiscUtil;
+import net.dv8tion.jda.api.utils.data.DataObject;
 import net.dv8tion.jda.internal.entities.GuildImpl;
 import net.dv8tion.jda.internal.entities.channel.middleman.AbstractStandardGuildChannelImpl;
 import net.dv8tion.jda.internal.entities.channel.mixin.attribute.IAgeRestrictedChannelMixin;
@@ -36,6 +39,7 @@
 import net.dv8tion.jda.internal.entities.channel.mixin.middleman.AudioChannelMixin;
 import net.dv8tion.jda.internal.entities.channel.mixin.middleman.GuildMessageChannelMixin;
 import net.dv8tion.jda.internal.managers.channel.concrete.VoiceChannelManagerImpl;
+import net.dv8tion.jda.internal.requests.restaction.AuditableRestActionImpl;
 import net.dv8tion.jda.internal.utils.Checks;
 
 import javax.annotation.Nonnull;
@@ -55,6 +59,7 @@ public class VoiceChannelImpl extends AbstractStandardGuildChannelImpl<VoiceChan
     private final TLongObjectMap<Member> connectedMembers = MiscUtil.newLongMap();
 
     private String region;
+    private String status = "";
     private long latestMessageId;
     private int bitrate;
     private int userLimit;
@@ -162,6 +167,29 @@ public VoiceChannelManager getManager()
         return new VoiceChannelManagerImpl(this);
     }
 
+    @Nonnull
+    @Override
+    public String getStatus()
+    {
+        return status;
+    }
+
+    @Nonnull
+    @Override
+    public AuditableRestAction<Void> modifyStatus(@Nonnull String status)
+    {
+        Checks.notLonger(status, MAX_STATUS_LENGTH, "Voice Status");
+        checkCanAccessChannel();
+        if (this.equals(getGuild().getSelfMember().getVoiceState().getChannel()))
+            checkPermission(Permission.VOICE_SET_STATUS);
+        else
+            checkCanManage();
+
+        Route.CompiledRoute route = Route.Channels.SET_STATUS.compile(getId());
+        DataObject body = DataObject.empty().put("status", status.isEmpty() ? null : status);
+        return new AuditableRestActionImpl<>(api, route, body);
+    }
+
     @Override
     public TLongObjectMap<Member> getConnectedMembersMap()
     {
@@ -210,6 +238,12 @@ public VoiceChannelImpl setLatestMessageIdLong(long latestMessageId)
         return this;
     }
 
+    public VoiceChannelImpl setStatus(String status)
+    {
+        this.status = status;
+        return this;
+    }
+
     // -- Abstract Hooks --
 
     @Override

src/main/java/net/dv8tion/jda/internal/handle/VoiceChannelStatusUpdateHandler.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright 2015 Austin Keener, Michael Ritter, Florian Spieß, and the JDA contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.dv8tion.jda.internal.handle;
+
+import net.dv8tion.jda.api.events.channel.update.ChannelUpdateVoiceStatusEvent;
+import net.dv8tion.jda.api.utils.data.DataObject;
+import net.dv8tion.jda.internal.JDAImpl;
+import net.dv8tion.jda.internal.entities.channel.concrete.VoiceChannelImpl;
+
+public class VoiceChannelStatusUpdateHandler extends SocketHandler
+{
+    public VoiceChannelStatusUpdateHandler(JDAImpl api)
+    {
+        super(api);
+    }
+
+    @Override
+    protected Long handleInternally(DataObject content)
+    {
+        long guildId = content.getUnsignedLong("guild_id");
+        if (getJDA().getGuildSetupController().isLocked(guildId))
+            return guildId;
+
+        long id = content.getUnsignedLong("id");
+        VoiceChannelImpl channel = (VoiceChannelImpl) getJDA().getVoiceChannelsView().getElementById(id);
+
+        if (channel == null)
+        {
+            EventCache.LOG.debug("Caching VOICE_CHANNEL_STATUS_UPDATE for uncached channel. ID: {}", id);
+            getJDA().getEventCache().cache(EventCache.Type.CHANNEL, id, responseNumber, allContent, this::handle);
+            return null;
+        }
+
+        String newStatus = content.getString("status", "");
+        if (!newStatus.equals(channel.getStatus()))
+        {
+            String oldStatus = channel.getStatus();
+            channel.setStatus(newStatus);
+            api.handleEvent(
+                new ChannelUpdateVoiceStatusEvent(
+                    api, responseNumber,
+                    channel, oldStatus, newStatus));
+        }
+        return null;
+    }
+}

src/main/java/net/dv8tion/jda/internal/requests/WebSocketClient.java

@@ -1417,6 +1417,7 @@ protected void setupHandlers()
         handlers.put("USER_UPDATE",                            new UserUpdateHandler(api));
         handlers.put("VOICE_SERVER_UPDATE",                    new VoiceServerUpdateHandler(api));
         handlers.put("VOICE_STATE_UPDATE",                     new VoiceStateUpdateHandler(api));
+        handlers.put("VOICE_CHANNEL_STATUS_UPDATE",            new VoiceChannelStatusUpdateHandler(api));
 
         // Unused events
         handlers.put("CHANNEL_PINS_ACK",          nopHandler);