use webhook for sending QOTW answer messages

Author: danthe1st

src/main/java/net/javadiscord/javabot/systems/qotw/commands/view/QOTWViewAnswerSubcommand.java

@@ -7,6 +7,7 @@
 import com.dynxsty.dih4jda.interactions.commands.SlashCommand;
 
 import net.dv8tion.jda.api.EmbedBuilder;
+import net.dv8tion.jda.api.entities.ChannelType;
 import net.dv8tion.jda.api.entities.Message;
 import net.dv8tion.jda.api.entities.MessageEmbed;
 import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
@@ -51,6 +52,10 @@ public void execute(@NotNull SlashCommandInteractionEvent event) {
 			Responses.error(event, "The answerer option is missing.").queue();
 			return;
 		}
+		if (event.getChannelType() != ChannelType.TEXT) {
+			Responses.error(event, "This command can only be used in text channels.").queue();
+			return;
+		}
 		event.deferReply(true).queue();
 		DbActions.doAsyncDaoAction(QOTWSubmissionRepository::new, repo -> {
 			QOTWSubmission submission = repo.getSubmissionByQuestionNumberAndAuthorID(event.getGuild().getIdLong(), questionOption.getAsInt(), answerOwnerOption.getAsUser().getIdLong());

src/main/java/net/javadiscord/javabot/util/MessageActionUtils.java

@@ -1,21 +1,20 @@
 package net.javadiscord.javabot.util;
 
-import net.dv8tion.jda.api.entities.GuildMessageChannel;
-import net.dv8tion.jda.api.entities.Message;
-import net.dv8tion.jda.api.entities.MessageEmbed;
-import net.dv8tion.jda.api.entities.ThreadChannel;
-import net.dv8tion.jda.api.interactions.components.ActionRow;
-import net.dv8tion.jda.api.interactions.components.ItemComponent;
-import net.dv8tion.jda.api.requests.restaction.MessageAction;
-
 import java.util.ArrayList;
-import java.util.EnumSet;
 import java.util.List;
 import java.util.concurrent.CompletableFuture;
 import java.util.function.Consumer;
 
 import org.jetbrains.annotations.NotNull;
 
+import net.dv8tion.jda.api.entities.Message;
+import net.dv8tion.jda.api.entities.MessageEmbed;
+import net.dv8tion.jda.api.entities.StandardGuildMessageChannel;
+import net.dv8tion.jda.api.entities.ThreadChannel;
+import net.dv8tion.jda.api.interactions.components.ActionRow;
+import net.dv8tion.jda.api.interactions.components.ItemComponent;
+import net.dv8tion.jda.api.requests.restaction.MessageAction;
+
 /**
  * Utility class for message actions.
  */
@@ -85,15 +84,14 @@ public static CompletableFuture<Message> addAttachmentsAndSend(Message message,
 	 * @param messages The messages to copy.
 	 * @param onFinish A callback to execute when copying is done.
 	 */
-	public static void copyMessagesToNewThread(GuildMessageChannel targetChannel, @NotNull MessageEmbed infoEmbed, String newThreadName, List<Message> messages, Consumer<ThreadChannel> onFinish) {
+	public static void copyMessagesToNewThread(StandardGuildMessageChannel targetChannel, @NotNull MessageEmbed infoEmbed, String newThreadName, List<Message> messages, Consumer<ThreadChannel> onFinish) {
 		targetChannel.sendMessageEmbeds(infoEmbed).queue(
 				message -> message.createThreadChannel(newThreadName).queue(
 						thread -> {
-							messages.forEach(m -> {
-								String messageContent = m.getContentRaw();
-								if (messageContent.trim().length() == 0) messageContent = "[attachment]";
-								MessageActionUtils.addAttachmentsAndSend(m, thread.sendMessage(messageContent)
-										.allowedMentions(EnumSet.of(Message.MentionType.EMOJI, Message.MentionType.CHANNEL)));
+							WebhookUtil.ensureWebhookExists(targetChannel, wh->{
+								messages.forEach(m -> {
+									WebhookUtil.mirrorMessageToWebhook(wh, m, m.getContentRaw(), thread.getIdLong());
+								});
 							});
 							onFinish.accept(thread);
 						}

src/main/java/net/javadiscord/javabot/util/WebhookUtil.java

@@ -7,7 +7,7 @@
 import club.minnced.discord.webhook.send.component.LayoutComponent;
 import net.dv8tion.jda.api.entities.Message;
 import net.dv8tion.jda.api.entities.Message.Attachment;
-import net.dv8tion.jda.api.entities.TextChannel;
+import net.dv8tion.jda.api.entities.StandardGuildMessageChannel;
 import net.dv8tion.jda.api.entities.Webhook;
 import org.jetbrains.annotations.NotNull;
 
@@ -31,7 +31,7 @@ private WebhookUtil() {
 	 * @param callback an action that is executed once a webhook is
 	 *                 found/created
 	 */
-	public static void ensureWebhookExists(TextChannel channel, Consumer<? super Webhook> callback) {
+	public static void ensureWebhookExists(StandardGuildMessageChannel channel, Consumer<? super Webhook> callback) {
 		ensureWebhookExists(channel, callback, err -> {
 		});
 	}
@@ -46,7 +46,7 @@ public static void ensureWebhookExists(TextChannel channel, Consumer<? super Web
 	 * @param failureCallback an action that is executed if the webhook
 	 *                        lookup/creation failed
 	 */
-	public static void ensureWebhookExists(@NotNull TextChannel channel, Consumer<? super Webhook> callback, Consumer<? super Throwable> failureCallback) {
+	public static void ensureWebhookExists(@NotNull StandardGuildMessageChannel channel, Consumer<? super Webhook> callback, Consumer<? super Throwable> failureCallback) {
 
 		channel.retrieveWebhooks().queue(webhooks -> {
 			Optional<Webhook> hook = webhooks.stream()