Upgrade JDA to alpha 9

Author: nltbee

application/build.gradle

@@ -41,7 +41,7 @@ shadowJar {
 dependencies {
     implementation project(':database')
 
-    implementation 'net.dv8tion:JDA:5.0.0-alpha.5'
+    implementation 'net.dv8tion:JDA:5.0.0-alpha.9'
 
     implementation 'org.apache.logging.log4j:log4j-core:2.16.0'
     runtimeOnly 'org.apache.logging.log4j:log4j-slf4j18-impl:2.16.0'

application/src/main/java/org/togetherjava/tjbot/commands/free/FreeUtil.java

@@ -65,9 +65,7 @@ public static void sendErrorMessage(@NotNull IReplyCallback interaction,
      * @return the id of the latest message or empty if it could not be retrieved.
      */
     public static @NotNull OptionalLong getLastMessageId(@NotNull TextChannel channel) {
-        if (channel.hasLatestMessage()) {
-            return OptionalLong.of(channel.getLatestMessageIdLong());
-        }
+
         // black magic to convert Optional<Long> into OptionalLong because Optional does not have
         // .mapToLong
         return getChannelHistory(channel, 1).stream()

application/src/test/java/org/togetherjava/tjbot/jda/JdaTester.java

@@ -106,7 +106,7 @@ public JdaTester() {
         Member selfMember = spy(new MemberImpl(guild, selfUser));
         member = spy(new MemberImpl(guild, user));
         textChannel = spy(new TextChannelImpl(TEXT_CHANNEL_ID, guild));
-        privateChannel = spy(new PrivateChannelImpl(PRIVATE_CHANNEL_ID, user));
+        privateChannel = spy(new PrivateChannelImpl(jda, PRIVATE_CHANNEL_ID, user));
         messageAction = mock(MessageActionImpl.class);
         EntityBuilder entityBuilder = mock(EntityBuilder.class);
         Role everyoneRole = new RoleImpl(GUILD_ID, guild);