Implement Discord appeal functionality, including database schema, API endpoints, front-end form, and Discord message handling.

discord/src/main/java/com/alttd/webinterface/DiscordBot.java

@@ -12,7 +12,7 @@ public class DiscordBot {
             log.error("Discord token not found, put it in the DISCORD_TOKEN environment variable");
             System.exit(1);
         }
-        DiscordBotInstance discordBotInstance = new DiscordBotInstance();
+        DiscordBotInstance discordBotInstance = DiscordBotInstance.getInstance();
         discordBotInstance.start(discordToken);
     }
 }

discord/src/main/java/com/alttd/webinterface/appeals/AppealSender.java

@@ -9,7 +9,6 @@ import net.dv8tion.jda.api.entities.Message;
 
 import java.util.List;
 import java.util.Optional;
-import java.util.concurrent.CompletableFuture;
 
 @Slf4j
 public class AppealSender {

discord/src/main/java/com/alttd/webinterface/appeals/BanToBannedUser.java

@@ -0,0 +1,14 @@
+package com.alttd.webinterface.appeals;
+
+import net.dv8tion.jda.api.entities.Guild;
+
+public class BanToBannedUser {
+
+    public static BannedUser map(Guild.Ban ban) {
+        return new BannedUser(ban.getUser().getIdLong(),
+                              ban.getReason(),
+                              ban.getUser().getEffectiveName(),
+                              ban.getUser().getEffectiveAvatarUrl());
+    }
+
+}

discord/src/main/java/com/alttd/webinterface/appeals/BannedUser.java

@@ -0,0 +1,4 @@
+package com.alttd.webinterface.appeals;
+
+public record BannedUser(long userId, String reason, String name, String avatarUrl) {
+}

discord/src/main/java/com/alttd/webinterface/appeals/DiscordAppealDiscord.java

@@ -0,0 +1,37 @@
+package com.alttd.webinterface.appeals;
+
+import com.alttd.webinterface.bot.DiscordBotInstance;
+import net.dv8tion.jda.api.entities.Guild;
+
+import java.util.Optional;
+import java.util.concurrent.CompletableFuture;
+
+public class DiscordAppealDiscord {
+    private static final DiscordAppealDiscord INSTANCE = new DiscordAppealDiscord();
+
+    public static DiscordAppealDiscord getInstance() {
+        return INSTANCE;
+    }
+
+    public CompletableFuture<Optional<BannedUser>> getBannedUser(long discordId) {
+        Guild guildById = DiscordBotInstance.getInstance()
+                .getJda()
+                .getGuildById(141644560005595136L);
+        if (guildById == null) {
+            throw new IllegalStateException("Guild not found");
+        }
+        CompletableFuture<Optional<BannedUser>> completableFuture = new CompletableFuture<>();
+        DiscordBotInstance.getInstance().getJda().retrieveUserById(discordId)
+                .queue(user -> {
+                    guildById.retrieveBan(user).queue(ban -> {
+                        if (ban == null) {
+                            completableFuture.complete(Optional.empty());
+                            return;
+                        }
+                        completableFuture.complete(Optional.of(BanToBannedUser.map(ban)));
+                    });
+
+                });
+        return completableFuture;
+    }
+}

discord/src/main/java/com/alttd/webinterface/bot/DiscordBotInstance.java

@@ -9,6 +9,14 @@ import net.dv8tion.jda.api.requests.GatewayIntent;
 @Slf4j
 public class DiscordBotInstance {
 
+    private static final DiscordBotInstance INSTANCE = new DiscordBotInstance();
+
+    public static DiscordBotInstance getInstance() {
+        return INSTANCE;
+    }
+
+    private DiscordBotInstance() {}
+
     @Getter
     private JDA jda;
     private volatile boolean ready = false;

discord/src/main/java/com/alttd/webinterface/send_message/DiscordSender.java

@@ -22,7 +22,7 @@ public class DiscordSender {
 
     private static final DiscordSender INSTANCE = new DiscordSender();
 
-    private final DiscordBotInstance botInstance = new DiscordBotInstance();
+    private final DiscordBotInstance botInstance = DiscordBotInstance.getInstance();
 
     private DiscordSender() {}