Modify ban appeal embed colours depending on appeal state

Closes #18

config/src/main/groovy/net/neoforged/camelot/config/module/BanAppeals.groovy

@@ -6,6 +6,8 @@ import net.neoforged.camelot.config.ConfigUtils
 import net.neoforged.camelot.config.MailConfiguration
 import net.neoforged.camelot.config.OAuthConfiguration
 
+import java.awt.Color
+
 /**
  * Module for ban appeals.
  *
@@ -58,4 +60,26 @@ class BanAppeals extends ModuleConfiguration {
      * The amount of days in which the user is expected to get a response to their appeal.
      */
     int responseTime = 7
+
+    /**
+     * Configuration for ban appeal colours.
+     */
+    final Colors colors = new Colors()
+
+    /**
+     * Configure the ban appeal colours.
+     */
+    void colors(@DelegatesTo(value = Colors, strategy = Closure.DELEGATE_FIRST) Closure config) {
+        ConfigUtils.configure(colors, config)
+    }
+
+    /**
+     * Configuration for ban appeal colours.
+     */
+    static class Colors {
+        int approved = Color.GREEN.getRGB()
+        int rejected = Color.RED.getRGB()
+        int pendingReply = Color.GRAY.getRGB()
+        int ongoing = Color.YELLOW.getRGB()
+    }
 }

src/main/java/net/neoforged/camelot/module/BanAppealModule.java

@@ -13,6 +13,7 @@
 import net.dv8tion.jda.api.JDABuilder;
 import net.dv8tion.jda.api.entities.Guild;
 import net.dv8tion.jda.api.entities.Message;
+import net.dv8tion.jda.api.entities.MessageEmbed;
 import net.dv8tion.jda.api.entities.User;
 import net.dv8tion.jda.api.entities.UserSnowflake;
 import net.dv8tion.jda.api.entities.channel.concrete.ThreadChannel;
@@ -204,7 +205,9 @@ private void onSubmitFollowup(Context context) throws Exception {
 
         guild.getChannelById(GuildMessageChannel.class, config().getAppealsChannels().get(guild.getIdLong())).retrieveMessageById(existing.threadId())
                 .map(Message::getStartedThread)
-                .flatMap(thread -> thread.sendMessageEmbeds(embed.build()))
+                .flatMap(thread -> thread.sendMessageEmbeds(embed.build())
+                        .and(thread.retrieveParentMessage()
+                                .flatMap(msg -> msg.editMessageEmbeds(modifyColour(msg.getEmbeds().getFirst(), config().getColors().getOngoing())))))
                 .queue();
 
         Database.appeals().useExtension(BanAppealsDAO.class, db -> db.setFollowup(
@@ -299,7 +302,7 @@ private void onSubmitAppeal(Context context) throws Exception {
                 .setTimestamp(Instant.now())
                 .setDescription("User appealed their ban for **" + Objects.requireNonNullElse(possibleBan.get().getReason(), "No reason given").replace("rec: ", "") + "**:\n")
                 .appendDescription(payload.getString("reason"))
-                .setColor(Color.CYAN);
+                .setColor(config().getColors().getOngoing());
 
         if (!payload.isNull("feedback") && !payload.getString("feedback").isBlank()) {
             if (payload.getString("feedback").length() > 1000) {
@@ -354,11 +357,18 @@ private void onModal(ModalInteractionEvent event) {
         final var guild = event.getGuild();
         assert guild != null;
 
+        final ThreadChannel thread = event.getMessage().getStartedThread();
+        assert thread != null;
+
         switch (split[1]) {
             case "followup" -> {
                 final String replyText = event.getValue("reply").getAsString();
                 Database.appeals().useExtension(BanAppealsDAO.class, db -> db.setFollowup(event.getGuild().getIdLong(), userId, replyText));
 
+                thread.retrieveParentMessage()
+                        .flatMap(msg -> msg.editMessageEmbeds(modifyColour(msg.getEmbeds().getFirst(), config().getColors().getPendingReply())))
+                        .queue();
+
                 retrieveUser.onSuccess(user -> sendMailFromServer(appeal.email(), user, guild, "Ban appeal follow-up",
                         pre(text("The moderators of "), b(event.getGuild().getName()), text(" have sent you a message:")),
                         pre(code(replyText)),
@@ -386,9 +396,6 @@ private void onModal(ModalInteractionEvent event) {
                 final Instant until = Instant.now().plus(blockDays, ChronoUnit.DAYS);
                 Database.appeals().useExtension(BanAppealsDAO.class, db -> db.blockUntil(guild.getIdLong(), userId, "Previous appeal denied: " + reason, until.toEpochMilli()));
 
-                final ThreadChannel thread = event.getMessage().getStartedThread();
-                assert thread != null;
-
                 event.deferReply(true)
                         .flatMap(_ -> thread.sendMessage("Ban appeal **rejected** by " + event.getUser().getAsMention() + ". Reason: **" + reason + "**."))
                         .flatMap(_ -> closeAppeal(thread, true))
@@ -463,7 +470,8 @@ private void onButton(ButtonInteractionEvent event) {
     private RestAction<?> closeAppeal(ThreadChannel thread, boolean rejected) {
         return thread.retrieveParentMessage()
                 .flatMap(msg -> msg.editMessageComponents(List.of())
-                        .setContent(rejected ? "Appeal rejected" : "Appeal approved"))
+                        .setContent(rejected ? "Appeal rejected" : "Appeal approved")
+                        .setEmbeds(modifyColour(msg.getEmbeds().getFirst(), rejected ? config().getColors().getRejected() : config().getColors().getApproved())))
                 .flatMap(_ -> thread.getManager().setArchived(true));
     }
 
@@ -691,4 +699,8 @@ private static String getAvatar(JSONObject author, String discriminator) {
         }
         return String.format("https://cdn.discordapp.com/avatars/%s/%s.%s", id, avatar, avatar.startsWith("a_") ? "gif" : "png");
     }
+
+    private static MessageEmbed modifyColour(MessageEmbed embed, int colour) {
+        return new EmbedBuilder(embed).setColor(colour).build();
+    }
 }