Added Safety Alerts Channel

src/main/java/net/dv8tion/jda/api/entities/Guild.java

@@ -1032,6 +1032,17 @@ default int getMaxEmojis()
     @Nullable
     TextChannel getCommunityUpdatesChannel();
 
+    /**
+     * Provides the {@link TextChannel TextChannel} that receives discord safety alerts.
+     * <br>If this guild doesn't have the COMMUNITY {@link #getFeatures() feature}, this returns {@code null}.
+     *
+     * @return Possibly-null {@link TextChannel TextChannel} that is the saferty alerts channel.
+     *
+     * @see    #getFeatures()
+     */
+    @Nullable
+    TextChannel getSafetyAlertsChannel();
+
     /**
      * The {@link net.dv8tion.jda.api.entities.Member Member} object for the owner of this Guild.
      * <br>This is null when the owner is no longer in this guild or not yet loaded (lazy loading).

src/main/java/net/dv8tion/jda/api/events/guild/update/GuildUpdateSafetyAlertsChannelEvent.java

@@ -0,0 +1,47 @@
+package net.dv8tion.jda.api.events.guild.update;
+
+import net.dv8tion.jda.api.JDA;
+import net.dv8tion.jda.api.entities.Guild;
+import net.dv8tion.jda.api.entities.channel.concrete.TextChannel;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+/**
+ * Indicates that the safety alert channel of a {@link Guild Guild} changed.
+ *
+ * <p>Can be used to detect when a guild safety alert changes and retrieve the old one
+ *
+ * <p>Identifier: {@code safety_alerts_channel}
+ */
+public class GuildUpdateSafetyAlertsChannelEvent extends GenericGuildUpdateEvent<TextChannel>
+{
+    public static final String IDENTIFIER = "safety_alerts_channel";
+
+    public GuildUpdateSafetyAlertsChannelEvent(@Nonnull JDA api, long responseNumber, @Nonnull Guild guild, @Nullable TextChannel oldSafetyAlertsChannel)
+    {
+        super(api, responseNumber, guild, oldSafetyAlertsChannel, guild.getSafetyAlertsChannel(), IDENTIFIER);
+    }
+
+    /**
+     * The previous safety alert channel.
+     *
+     * @return The previous safety alert channel
+     */
+    @Nullable
+    public TextChannel getOldSafetyAlertsChannel()
+    {
+        return getOldValue();
+    }
+
+    /**
+     * The new safety alert channel.
+     *
+     * @return The new safety alert channel
+     */
+    @Nullable
+    public TextChannel getNewSafetyAlertsChannel()
+    {
+        return getNewValue();
+    }
+}

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

@@ -261,6 +261,7 @@ public void onGuildUpdateAfkChannel(@Nonnull GuildUpdateAfkChannelEvent event) {
     public void onGuildUpdateSystemChannel(@Nonnull GuildUpdateSystemChannelEvent event) {}
     public void onGuildUpdateRulesChannel(@Nonnull GuildUpdateRulesChannelEvent event) {}
     public void onGuildUpdateCommunityUpdatesChannel(@Nonnull GuildUpdateCommunityUpdatesChannelEvent event) {}
+    public void onGuildUpdateSafetyAlertsChannel(@Nonnull GuildUpdateSafetyAlertsChannelEvent event) {}
     public void onGuildUpdateAfkTimeout(@Nonnull GuildUpdateAfkTimeoutEvent event) {}
     public void onGuildUpdateExplicitContentLevel(@Nonnull GuildUpdateExplicitContentLevelEvent event) {}
     public void onGuildUpdateIcon(@Nonnull GuildUpdateIconEvent event) {}

src/main/java/net/dv8tion/jda/api/managers/GuildManager.java

@@ -78,6 +78,8 @@ public interface GuildManager extends Manager<GuildManager>
     long BOOST_PROGRESS_BAR_ENABLED = 1 << 14;
     /** Used to add or remove modifiable features (such as {@code "INVITES_DISABLED"}) */
     long FEATURES = 1 << 15;
+    /** Used to rest the safety alerts channel field */
+    long SAFETY_ALERTS_CHANNEL = 1 << 16;
 
     /**
      * Resets the fields specified by the provided bit-flag pattern.
@@ -259,6 +261,22 @@ public interface GuildManager extends Manager<GuildManager>
     @CheckReturnValue
     GuildManager setCommunityUpdatesChannel(@Nullable TextChannel communityUpdatesChannel);
 
+    /**
+     * Sets the safety alerts {@link TextChannel} of this {@link Guild Guild}.
+     *
+     * @param  safetyAlertsChannel
+     *         The new safety alerts channel for this {@link Guild}
+     *         or {@code null} to reset
+     *
+     * @throws IllegalArgumentException
+     *         If the provided channel is not from this guild
+     *
+     * @return GuildManager for chaining convenience
+     */
+    @Nonnull
+    @CheckReturnValue
+    GuildManager setSafetyAlertsChannel(@Nullable TextChannel safetyAlertsChannel);
+
     /**
      * Sets the afk {@link net.dv8tion.jda.api.entities.Guild.Timeout Timeout} of this {@link net.dv8tion.jda.api.entities.Guild Guild}.
      *

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

@@ -277,6 +277,7 @@ public GuildImpl createGuild(long guildId, DataObject guildJson, TLongObjectMap<
         final long systemChannelId = guildJson.getUnsignedLong("system_channel_id", 0L);
         final long rulesChannelId = guildJson.getUnsignedLong("rules_channel_id", 0L);
         final long communityUpdatesChannelId = guildJson.getUnsignedLong("public_updates_channel_id", 0L);
+        final long safetyAlertsChannelId = guildJson.getUnsignedLong("safety_alerts_channel_id", 0L);
         final int boostCount = guildJson.getInt("premium_subscription_count", 0);
         final int boostTier = guildJson.getInt("premium_tier", 0);
         final int maxMembers = guildJson.getInt("max_members", 0);
@@ -399,7 +400,8 @@ public GuildImpl createGuild(long guildId, DataObject guildJson, TLongObjectMap<
         guildObj.setAfkChannel(guildObj.getVoiceChannelById(afkChannelId))
                 .setSystemChannel(guildObj.getTextChannelById(systemChannelId))
                 .setRulesChannel(guildObj.getTextChannelById(rulesChannelId))
-                .setCommunityUpdatesChannel(guildObj.getTextChannelById(communityUpdatesChannelId));
+                .setCommunityUpdatesChannel(guildObj.getTextChannelById(communityUpdatesChannelId))
+                .setSafetyAlertsChannel(guildObj.getTextChannelById(safetyAlertsChannelId));
 
         return guildObj;
     }

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

@@ -125,6 +125,7 @@ public class GuildImpl implements Guild
     private TextChannel systemChannel;
     private TextChannel rulesChannel;
     private TextChannel communityUpdatesChannel;
+    private TextChannel safetyAlertsChannel;
     private Role publicRole;
     private VerificationLevel verificationLevel = VerificationLevel.UNKNOWN;
     private NotificationLevel defaultNotificationLevel = NotificationLevel.UNKNOWN;
@@ -632,6 +633,13 @@ public TextChannel getCommunityUpdatesChannel()
         return communityUpdatesChannel;
     }
 
+    @Nullable
+    @Override
+    public TextChannel getSafetyAlertsChannel()
+    {
+        return safetyAlertsChannel;
+    }
+
     @Nonnull
     @Override
     public RestAction<List<Webhook>> retrieveWebhooks()
@@ -2191,6 +2199,12 @@ public GuildImpl setCommunityUpdatesChannel(TextChannel communityUpdatesChannel)
         return this;
     }
 
+    public GuildImpl setSafetyAlertsChannel(TextChannel safetyAlertsChannel)
+    {
+        this.safetyAlertsChannel = safetyAlertsChannel;
+        return this;
+    }
+
     public GuildImpl setPublicRole(Role publicRole)
     {
         this.publicRole = publicRole;

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

@@ -89,6 +89,8 @@ protected Long handleInternally(DataObject content)
                 ? null : guild.getChannelById(TextChannel.class, content.getLong("rules_channel_id"));
         TextChannel communityUpdatesChannel = content.isNull("public_updates_channel_id")
                 ? null : guild.getChannelById(TextChannel.class, content.getLong("public_updates_channel_id"));
+        TextChannel safetyAlertsChannel = content.isNull("safety_alerts_channel_id")
+                ? null : guild.getChannelById(TextChannel.class, content.getLong("safety_alerts_channel_id"));
         Set<String> features;
         if (!content.isNull("features"))
         {
@@ -304,6 +306,15 @@ protected Long handleInternally(DataObject content)
                             getJDA(), responseNumber,
                             guild, oldCommunityUpdatesChannel));
         }
+        if (!Objects.equals(safetyAlertsChannel, guild.getSafetyAlertsChannel()))
+        {
+            TextChannel oldSafetyAlertsChannel = guild.getSafetyAlertsChannel();
+            guild.setSafetyAlertsChannel(safetyAlertsChannel);
+            getJDA().handleEvent(
+                    new GuildUpdateSafetyAlertsChannelEvent(
+                            getJDA(), responseNumber,
+                            guild, oldSafetyAlertsChannel));
+        }
         if (content.hasKey("nsfw_level") && nsfwLevel != guild.getNSFWLevel())
         {
             Guild.NSFWLevel oldNSFWLevel = guild.getNSFWLevel();

src/main/java/net/dv8tion/jda/internal/managers/GuildManagerImpl.java

@@ -43,7 +43,7 @@ public class GuildManagerImpl extends ManagerBase<GuildManager> implements Guild
 
     protected String name;
     protected Icon icon, splash, banner;
-    protected String afkChannel, systemChannel, rulesChannel, communityUpdatesChannel;
+    protected String afkChannel, systemChannel, rulesChannel, communityUpdatesChannel, safetyAlertsChannel;
     protected String description;
     protected int afkTimeout;
     protected int mfaLevel;
@@ -91,6 +91,8 @@ public GuildManagerImpl reset(long fields)
             this.rulesChannel = null;
         if ((fields & COMMUNITY_UPDATES_CHANNEL) == COMMUNITY_UPDATES_CHANNEL)
             this.communityUpdatesChannel = null;
+        if ((fields & SAFETY_ALERTS_CHANNEL) == SAFETY_ALERTS_CHANNEL)
+            this.safetyAlertsChannel = null;
         if ((fields & DESCRIPTION) == DESCRIPTION)
             this.description = null;
         if ((fields & BANNER) == BANNER)
@@ -203,6 +205,17 @@ public GuildManagerImpl setCommunityUpdatesChannel(TextChannel communityUpdatesC
         return this;
     }
 
+    @Nonnull
+    @Override
+    @CheckReturnValue
+    public GuildManagerImpl setSafetyAlertsChannel(TextChannel safetyAlertsChannel)
+    {
+        Checks.check(safetyAlertsChannel == null || safetyAlertsChannel.getGuild().equals(getGuild()), "Channel must be from the same guild");
+        this.safetyAlertsChannel = safetyAlertsChannel == null ? null : safetyAlertsChannel.getId();
+        set |= SAFETY_ALERTS_CHANNEL;
+        return this;
+    }
+
     @Nonnull
     @Override
     @CheckReturnValue