Add email notification service for appeals using Spring Mail and Thymeleaf templates.

backend/src/main/java/com/alttd/altitudeweb/AltitudeWebApplication.java

@@ -5,7 +5,7 @@ import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.EnableAspectJAutoProxy;
 
-@SpringBootApplication
+@SpringBootApplication(scanBasePackages = {"com.alttd.altitudeweb"})
 @EnableAspectJAutoProxy
 public class AltitudeWebApplication {
 

backend/src/main/java/com/alttd/altitudeweb/controllers/forms/AppealController.java

@@ -10,6 +10,7 @@ import com.alttd.altitudeweb.model.DiscordAppealDto;
 import com.alttd.altitudeweb.model.MinecraftAppealDto;
 import com.alttd.altitudeweb.model.UpdateMailDto;
 import com.alttd.altitudeweb.services.limits.RateLimit;
+import com.alttd.altitudeweb.services.mail.AppealMail;
 import com.alttd.altitudeweb.setup.Connection;
 import lombok.AllArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -29,6 +30,7 @@ import java.util.concurrent.TimeUnit;
 public class AppealController implements AppealsApi {
 
     private final AppealDataMapper mapper;
+    private final AppealMail appealMail;
 
     @RateLimit(limit = 3, timeValue = 1, timeUnit = TimeUnit.HOURS, key = "discordAppeal")
     @Override
@@ -55,6 +57,8 @@ public class AppealController implements AppealsApi {
                   });
         Appeal appeal = appealCompletableFuture.join();
 
+        appealMail.sendAppealNotification(appeal);
+
         AppealResponseDto appealResponseDto = new AppealResponseDto(
                 appeal.id().toString(),
                 "Your appeal has been submitted. You will be notified when it has been reviewed.",

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

@@ -0,0 +1,61 @@
+package com.alttd.altitudeweb.services.mail;
+
+import com.alttd.altitudeweb.database.web_db.forms.Appeal;
+import jakarta.mail.MessagingException;
+import jakarta.mail.internet.MimeMessage;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.mail.javamail.JavaMailSender;
+import org.springframework.mail.javamail.MimeMessageHelper;
+import org.springframework.stereotype.Service;
+import org.thymeleaf.context.Context;
+import org.thymeleaf.spring6.SpringTemplateEngine;
+
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class AppealMail {
+
+    private final JavaMailSender mailSender;
+
+    @Value("${spring.mail.username}")
+    private String fromEmail;
+
+    private static final String APPEAL_EMAIL = "[email protected]";
+
+    /**
+     * Sends an email notification about the appeal to both the user and the appeals team.
+     *
+     * @param appeal The appeal object containing all necessary information
+     */
+    public void sendAppealNotification(Appeal appeal) {
+        try {
+            sendEmailToAppealsTeam(appeal);
+
+            log.info("Appeal notification emails sent successfully for appeal ID: {}", appeal.id());
+        } catch (Exception e) {
+            log.error("Failed to send appeal notification emails for appeal ID: {}", appeal.id(), e);
+        }
+    }
+
+    private SpringTemplateEngine templateEngine;
+
+    private void sendEmailToAppealsTeam(Appeal appeal) throws MessagingException {
+        MimeMessage message = mailSender.createMimeMessage();
+        MimeMessageHelper helper = new MimeMessageHelper(message, true);
+
+        helper.setFrom(fromEmail);
+        helper.setTo(APPEAL_EMAIL);
+        helper.setReplyTo(appeal.email());
+        helper.setSubject("New Appeal Submitted - " + appeal.username());
+
+        Context context = new Context();
+        context.setVariable("appeal", appeal);
+        String content = templateEngine.process("appeal-email", context);
+
+        helper.setText(content, true);
+        mailSender.send(message);
+    }
+
+}