Added news channel

Removed channel type SERVER_STORE_CHANNEL as it was removed by discord a long time ago

ServerTextChannel now extends ServerMessageChannel and so does NewsChannel
This is because everything apart from slow mode is the same. Slowmode is in the interface ServerTextChannel

javacord-api/src/main/java/org/javacord/api/DiscordApi.java

@@ -11,6 +11,7 @@
 import org.javacord.api.entity.channel.RegularServerChannel;
 import org.javacord.api.entity.channel.ServerChannel;
 import org.javacord.api.entity.channel.ServerForumChannel;
+import org.javacord.api.entity.channel.ServerNewsChannel;
 import org.javacord.api.entity.channel.ServerStageVoiceChannel;
 import org.javacord.api.entity.channel.ServerTextChannel;
 import org.javacord.api.entity.channel.ServerThreadChannel;
@@ -1553,6 +1554,13 @@ default Set<Role> getRolesByNameIgnoreCase(String name) {
      */
     Set<ServerTextChannel> getServerTextChannels();
 
+    /**
+     * Gets all server news channels of the bot.
+     *
+     * @return All server news channels of the bot.
+     */
+    Set<ServerNewsChannel> getServerNewsChannels();
+
     /**
      * Gets all server forum channels of the bot.
      *
@@ -1953,6 +1961,58 @@ default Set<ServerTextChannel> getServerTextChannelsByNameIgnoreCase(String name
                         .collect(Collectors.toSet()));
     }
 
+    /**
+     * Gets a server news channel by its id.
+     *
+     * @param id The id of the server news channel.
+     * @return The server news channel with the given id.
+     */
+    default Optional<ServerNewsChannel> getServerNewsChannelById(long id) {
+        return getChannelById(id).flatMap(Channel::asServerNewsChannel);
+    }
+
+    /**
+     * Gets a server news channel by its id.
+     *
+     * @param id The id of the server news channel.
+     * @return The server news channel with the given id.
+     */
+    default Optional<ServerNewsChannel> getServerNewsChannelById(String id) {
+        try {
+            return getServerNewsChannelById(Long.parseLong(id));
+        } catch (NumberFormatException e) {
+            return Optional.empty();
+        }
+    }
+
+    /**
+     * Gets all server news channels with the given name.
+     * This method is case-sensitive!
+     *
+     * @param name The name of the server news channels.
+     * @return All server news channels with the given name.
+     */
+    default Set<ServerNewsChannel> getServerNewsChannelsByName(String name) {
+        return Collections.unmodifiableSet(
+                getServerNewsChannels().stream()
+                        .filter(channel -> channel.getName().equals(name))
+                        .collect(Collectors.toSet()));
+    }
+
+    /**
+     * Gets all server news channels with the given name.
+     * This method is case-insensitive!
+     *
+     * @param name The name of the server news channels.
+     * @return All server news channels with the given name.
+     */
+    default Set<ServerNewsChannel> getServerNewsChannelsByNameIgnoreCase(String name) {
+        return Collections.unmodifiableSet(
+                getServerNewsChannels().stream()
+                        .filter(channel -> channel.getName().equalsIgnoreCase(name))
+                        .collect(Collectors.toSet()));
+    }
+
     /**
      * Gets a server forum channel by its id.
      *

javacord-api/src/main/java/org/javacord/api/entity/channel/Channel.java

@@ -78,6 +78,15 @@ default Optional<ServerTextChannel> asServerTextChannel() {
         return as(ServerTextChannel.class);
     }
 
+    /**
+     * Gets the channel as server news channel.
+     *
+     * @return The channel as server news channel.
+     */
+    default Optional<ServerNewsChannel> asServerNewsChannel() {
+        return as(ServerNewsChannel.class);
+    }
+
     /**
      * Gets the channel as server forum channel.
      *

javacord-api/src/main/java/org/javacord/api/entity/channel/ChannelType.java

@@ -13,7 +13,6 @@ public enum ChannelType {
     GROUP_CHANNEL(3, true, true, false, false),
     CHANNEL_CATEGORY(4, false, false, true, true),
     SERVER_NEWS_CHANNEL(5, true, false, true, true),
-    SERVER_STORE_CHANNEL(6, true, false, true, true),
     SERVER_NEWS_THREAD(10, true, false, true, false),
     SERVER_PUBLIC_THREAD(11, true, false, true, false),
     SERVER_PRIVATE_THREAD(12, true, false, true, false),