Add loading state guard to prevent duplicate form submissions in Appeal and DiscordAppeal components.

backend/src/main/java/com/alttd/altitudeweb/services/forms/DiscordAppeal.java

@@ -2,6 +2,7 @@ package com.alttd.altitudeweb.services.forms;
 
 import com.alttd.altitudeweb.controllers.data_from_auth.AuthenticatedUuid;
 import com.alttd.altitudeweb.database.Databases;
+import com.alttd.altitudeweb.database.luckperms.UUIDUsernameMapper;
 import com.alttd.altitudeweb.database.web_db.forms.DiscordAppealMapper;
 import com.alttd.altitudeweb.database.web_db.mail.EmailVerification;
 import com.alttd.altitudeweb.database.web_db.mail.EmailVerificationMapper;
@@ -56,11 +57,11 @@ public class DiscordAppeal {
         }
         BannedUser bannedUser = join.get();
 
-        Optional<UUID> uuid = authenticatedUuid.tryGetAuthenticatedUserUuid();
+        Optional<UUID> optionalUUID = authenticatedUuid.tryGetAuthenticatedUserUuid();
-        if (uuid.isEmpty()) {
+        if (optionalUUID.isEmpty()) {
             throw new ResponseStatusException(HttpStatus.UNAUTHORIZED, "User not authenticated");
         }
-
+        UUID uuid = optionalUUID.get();
         CompletableFuture<com.alttd.altitudeweb.database.web_db.forms.DiscordAppeal> appealCompletableFuture = new CompletableFuture<>();
 
         Connection.getConnection(Databases.DEFAULT)
@@ -68,7 +69,7 @@ public class DiscordAppeal {
                     log.debug("Loading history by id");
                     try {
                         com.alttd.altitudeweb.database.web_db.forms.DiscordAppeal discordAppealRecord = discordAppealDtoToDiscordAppealMapper
-                                .map(discordAppealDto, uuid.get(), bannedUser.name());
+                                .map(discordAppealDto, uuid, bannedUser.name());
                         sqlSession.getMapper(DiscordAppealMapper.class).createDiscordAppeal(discordAppealRecord);
                         appealCompletableFuture.complete(discordAppealRecord);
                     } catch (Exception e) {
@@ -104,7 +105,8 @@ public class DiscordAppeal {
             throw new ResponseStatusException(HttpStatus.INTERNAL_SERVER_ERROR, "Failed to send appeal to Discord");
         }
         //TODO verify mail
-        appealMail.sendAppealNotification(discordAppeal);
+        String username = getUsername(uuid);
+        appealMail.sendAppealNotification(discordAppeal, username);
 
         Connection.getConnection(Databases.DEFAULT)
                 .runQuery(sqlSession -> {
@@ -117,4 +119,20 @@ public class DiscordAppeal {
                 "Your appeal has been submitted. You will be notified when it has been reviewed.",
                 true);
     }
+
+    private String getUsername(UUID uuid) {
+        CompletableFuture<String> usernameFuture = new CompletableFuture<>();
+        Connection.getConnection(Databases.LUCK_PERMS)
+                .runQuery(sqlSession -> {
+                    log.debug("Loading username for uuid {}", uuid);
+                    try {
+                        String username = sqlSession.getMapper(UUIDUsernameMapper.class).getUsernameFromUUID(uuid.toString());
+                        usernameFuture.complete(username);
+                    } catch (Exception e) {
+                        log.error("Failed to load username for uuid {}", uuid, e);
+                        usernameFuture.completeExceptionally(e);
+                    }
+                });
+        return usernameFuture.join();
+    }
 }

backend/src/main/java/com/alttd/altitudeweb/services/mail/AppealMail.java

@@ -35,9 +35,9 @@ public class AppealMail {
      *
      * @param appeal The appeal object containing all necessary information
      */
-    public void sendAppealNotification(DiscordAppeal appeal) {
+    public void sendAppealNotification(DiscordAppeal appeal, String username) {
         try {
-            sendEmailToAppealsTeam(appeal);
+            sendEmailToAppealsTeam(appeal, username);
 
             log.info("Discord Appeal notification emails sent successfully for appeal ID: {}", appeal.id());
         } catch (Exception e) {
@@ -81,7 +81,7 @@ public class AppealMail {
         mailSender.send(message);
     }
 
-    private void sendEmailToAppealsTeam(DiscordAppeal appeal) throws MessagingException {
+    private void sendEmailToAppealsTeam(DiscordAppeal appeal, String username) throws MessagingException {
         MimeMessage message = mailSender.createMimeMessage();
         MimeMessageHelper helper = getAppealMimeMessageHelper(appeal, message);
 
@@ -90,6 +90,8 @@ public class AppealMail {
         context.setVariable("createdAt", appeal.createdAt()
                                                .atZone(ZoneId.of("UTC"))
                                                .format(DateTimeFormatter.ofPattern("yyyy MMMM dd hh:mm a '(UTC)'")));
+
+        context.setVariable("minecraftName", username);
         String content = templateEngine.process("discord-appeal-email", context);
 
         helper.setText(content, true);

backend/src/main/resources/templates/discord-appeal-email.html

@@ -102,8 +102,9 @@
                 <div>
                     <h2>User information</h2>
                     <ul>
-                        <li><strong>Username:</strong> <span th:text="${appeal.discordUsername}">username</span></li>
+                        <li><strong>Discord Username:</strong> <span th:text="${appeal.discordUsername}">dc username</span></li>
                         <li><strong>UUID:</strong> <span th:text="${appeal.uuid}">uuid</span></li>
+                        <li><strong>Minecraft Username:</strong> <span th:text="${minecraftName}">mc username</span></li>
                         <li><strong>Email:</strong> <span th:text="${appeal.email}">email</span></li>
                         <li><strong>Submitted at:</strong> <span th:text="${createdAt}">date</span></li>
                     </ul>

frontend/src/app/pages/forms/appeal/appeal.component.ts

@@ -125,6 +125,7 @@ export class AppealComponent implements OnInit, OnDestroy {
     if (this.formSubmitting) {
       return;
     }
+    this.formSubmitting = true;
     const rawValue = this.form.getRawValue();
     const uuid = this.authService.getUuid();
     if (uuid === null) {

frontend/src/app/pages/forms/discord-appeal/discord-appeal.component.ts

@@ -186,6 +186,7 @@ export class DiscordAppealComponent implements OnInit {
     if (this.formSubmitting) {
       return;
     }
+    this.formSubmitting = true;
     const rawValue = this.form.getRawValue();
     const uuid = this.authService.getUuid();
     if (uuid === null) {