Merge branch 'main' into task/CAS-68/AdjustStartMoney

Reviewed-on: #177
Reviewed-by: Phan Huy Tran <ptran@noreply.localhost>

backend/build.gradle.kts

@@ -54,6 +54,7 @@ dependencies {
     implementation("io.jsonwebtoken:jjwt-api:0.11.5")
     runtimeOnly("io.jsonwebtoken:jjwt-impl:0.11.5")
     runtimeOnly("io.jsonwebtoken:jjwt-jackson:0.11.5")
+    compileOnly("org.springframework.boot:spring-boot-starter-mail")
 }
 
 tasks.withType<Test> {

backend/src/main/java/de/szut/casino/CasinoApplication.java

@@ -8,6 +8,10 @@ import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.Bean;
+import org.springframework.mail.MailException;
+import org.springframework.mail.MailSender;
+import org.springframework.mail.SimpleMailMessage;
+import org.springframework.mail.javamail.JavaMailSenderImpl;
 import org.springframework.web.client.RestTemplate;
 
 import java.math.BigDecimal;
@@ -26,6 +30,11 @@ public class CasinoApplication {
         return new RestTemplate();
     }
 
+    @Bean
+    public static JavaMailSenderImpl javaMailSenderImpl() {
+        return new JavaMailSenderImpl();
+    }
+
     @Bean
     public CommandLineRunner initData(LootBoxRepository lootBoxRepository, RewardRepository rewardRepository) {
         return _ -> {

backend/src/main/java/de/szut/casino/security/AuthController.java

@@ -5,6 +5,7 @@ import de.szut.casino.security.dto.LoginRequestDto;
 import de.szut.casino.security.service.AuthService;
 import de.szut.casino.user.dto.CreateUserDto;
 import de.szut.casino.user.dto.GetUserDto;
+import jakarta.mail.MessagingException;
 import jakarta.validation.Valid;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
@@ -13,6 +14,8 @@ import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.io.IOException;
+
 @RestController
 @RequestMapping("/auth")
 public class AuthController {
@@ -27,7 +30,7 @@ public class AuthController {
     }
 
     @PostMapping("/register")
-    public ResponseEntity<GetUserDto> registerUser(@Valid @RequestBody CreateUserDto signUpRequest) {
+    public ResponseEntity<GetUserDto> registerUser(@Valid @RequestBody CreateUserDto signUpRequest) throws MessagingException, IOException {
         GetUserDto response = authService.register(signUpRequest);
         return ResponseEntity.ok(response);
     }

backend/src/main/java/de/szut/casino/security/service/AuthService.java

@@ -7,6 +7,7 @@ import de.szut.casino.user.UserEntity;
 import de.szut.casino.user.UserService;
 import de.szut.casino.user.dto.CreateUserDto;
 import de.szut.casino.user.dto.GetUserDto;
+import jakarta.mail.MessagingException;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
@@ -14,6 +15,8 @@ import org.springframework.security.core.Authentication;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.stereotype.Service;
 
+import java.io.IOException;
+
 @Service
 public class AuthService {
 
@@ -26,6 +29,9 @@ public class AuthService {
     @Autowired
     private UserService userService;
 
+    @Autowired
+    private EmailService emailService;
+
     public AuthResponseDto login(LoginRequestDto loginRequest) {
         Authentication authentication = authenticationManager.authenticate(
                 new UsernamePasswordAuthenticationToken(
@@ -38,8 +44,11 @@ public class AuthService {
         return new AuthResponseDto(jwt);
     }
 
-    public GetUserDto register(CreateUserDto signUpRequest) {
+    public GetUserDto register(CreateUserDto signUpRequest) throws MessagingException, IOException {
         UserEntity user = userService.createUser(signUpRequest);
+
+        this.emailService.sendRegistrationEmail(user);
+
         return new GetUserDto(
                 user.getId(),
                 user.getEmail(),

backend/src/main/java/de/szut/casino/security/service/EmailService.java

@@ -0,0 +1,59 @@
+package de.szut.casino.security.service;
+
+import de.szut.casino.user.UserEntity;
+import jakarta.mail.MessagingException;
+import jakarta.mail.internet.MimeMessage;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.mail.javamail.JavaMailSenderImpl;
+import org.springframework.mail.javamail.MimeMessageHelper;
+import org.springframework.stereotype.Service;
+import org.springframework.util.FileCopyUtils;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.nio.charset.StandardCharsets;
+
+@Service
+public class EmailService {
+    private JavaMailSenderImpl mailSender;
+    private MailConfig mailConfig;
+    @Value("${app.frontend-host}")
+    private String feUrl;
+
+    public EmailService(JavaMailSenderImpl mailSender, MailConfig mailConfig) {
+        this.mailSender = mailSender;
+        this.mailConfig = mailConfig;
+        this.mailSender.setHost(mailConfig.host);
+        this.mailSender.setPort(mailConfig.port);
+        if (mailConfig.authenticationEnabled) {
+            this.mailSender.setUsername(mailConfig.username);
+            this.mailSender.setPassword(mailConfig.password);
+        }
+    }
+
+    public void sendRegistrationEmail(UserEntity user) throws IOException, MessagingException {
+        String template = loadTemplate("email/welcome.html");
+        String htmlContent = template
+                .replace("${username}", user.getUsername())
+                .replace("${feUrl}", feUrl);
+
+        MimeMessage message = mailSender.createMimeMessage();
+        MimeMessageHelper helper = new MimeMessageHelper(message, true, "UTF-8");
+
+        helper.setFrom(mailConfig.fromAddress);
+        helper.setTo(user.getEmail());
+        helper.setSubject("Willkommen bei Trustworthy Casino©");
+        helper.setText(htmlContent, true);
+
+        mailSender.send(message);
+    }
+
+    private String loadTemplate(String templatePath) throws IOException {
+        ClassPathResource resource = new ClassPathResource("templates/" + templatePath);
+        try (Reader reader = new InputStreamReader(resource.getInputStream(), StandardCharsets.UTF_8)) {
+            return FileCopyUtils.copyToString(reader);
+        }
+    }
+}

backend/src/main/java/de/szut/casino/security/service/MailConfig.java

@@ -0,0 +1,25 @@
+package de.szut.casino.security.service;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+
+@Service
+public class MailConfig {
+    @Value("${app.mail.host}")
+    public String host;
+
+    @Value("${app.mail.port}")
+    public Integer port;
+
+    @Value("${app.mail.authentication}")
+    public Boolean authenticationEnabled;
+
+    @Value("${app.mail.username}")
+    public String username;
+
+    @Value("${app.mail.password}")
+    public String password;
+
+    @Value("${app.mail.from-address}")
+    public String fromAddress;
+}

backend/src/main/resources/application.properties

@@ -5,8 +5,16 @@ server.port=${HTTP_PORT:8080}
 spring.jpa.hibernate.ddl-auto=update
 stripe.secret.key=${STRIPE_SECRET_KEY:sk_test_51QrePYIvCfqz7ANgqam8rEwWcMeKiLOof3j6SCMgu2sl4sESP45DJxca16mWcYo1sQaiBv32CMR6Z4AAAGQPCJo300ubuZKO8I}
 stripe.webhook.secret=${STRIPE_WEBHOOK_SECRET:whsec_746b6a488665f6057118bdb4a2b32f4916f16c277109eeaed5e8f8e8b81b8c15}
+
 app.frontend-host=${FE_URL:http://localhost:4200}
 
+app.mail.authentication=${MAIL_AUTHENTICATION:false}
+app.mail.host=${MAIL_HOST:localhost}
+app.mail.port=${MAIL_PORT:1025}
+app.mail.username=${MAIL_USER:null}
+app.mail.password=${MAIL_PASS:null}
+app.mail.from-address=${MAIL_FROM:casino@localhost}
+
 spring.application.name=casino
 
 # JWT Configuration

backend/src/main/resources/templates/email/welcome.html

@@ -0,0 +1,128 @@
+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Willkommen bei Trustworthy Casino©</title>
+    <style>
+        body {
+            font-family: 'Arial', sans-serif;
+            line-height: 1.6;
+            background-color: #f8fafc;
+            color: #64748b;
+            max-width: 600px;
+            margin: 0 auto;
+            padding: 20px;
+        }
+        .container {
+            background-color: #0a1219;
+            border-radius: 8px;
+            overflow: hidden;
+            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
+        }
+        .header {
+            background-color: #1a2835;
+            padding: 20px;
+            text-align: center;
+        }
+        .header h1 {
+            color: #ffffff;
+            margin: 0;
+            font-size: 28px;
+        }
+        .content {
+            background-color: #121e27;
+            padding: 30px;
+            color: #ffffff;
+        }
+        .footer {
+            background-color: #1a2835;
+            color: #94a3b8;
+            padding: 20px;
+            text-align: center;
+            font-size: 0.8em;
+        }
+        .button {
+            display: inline-block;
+            background-color: #10b981;
+            color: #ffffff;
+            padding: 12px 24px;
+            margin: 20px 0;
+            text-decoration: none;
+            border-radius: 6px;
+            font-weight: bold;
+            text-align: center;
+            transition: background-color 0.3s;
+        }
+        .button:hover {
+            background-color: #059669;
+        }
+        h2 {
+            color: #ffffff;
+            padding-bottom: 10px;
+            display: inline-block;
+        }
+        ul {
+            padding-left: 20px;
+            margin: 20px 0;
+        }
+        li {
+            margin-bottom: 8px;
+            color: #94a3b8;
+        }
+        li::marker {
+            color: #34d399;
+        }
+        .highlight {
+            color: #10b981;
+            font-weight: bold;
+        }
+        .divider {
+            height: 1px;
+            background-color: #1a2835;
+            margin: 20px 0;
+        }
+        p {
+            margin: 16px 0;
+        }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h1>Trustworthy Casino</h1>
+        </div>
+        <div class="content">
+            <h2>Hallo <span class="highlight">${username}</span>,</h2>
+            
+            <p>Herzlich willkommen bei Trustworthy Casino! Wir freuen uns, Sie an Bord zu haben.</p>
+            
+            <div class="divider"></div>
+            
+            <p>Bei uns erwarten Sie:</p>
+            <ul>
+                <li>Spannende Casino-Spiele</li>
+                <li>Sichere Transaktionen</li>
+                <li>Exklusive Boni und Aktionen</li>
+            </ul>
+            
+            <div class="divider"></div>
+            
+            <p>Melden Sie sich jetzt an und beginnen Sie Ihr Spielerlebnis!</p>
+            
+            <div style="text-align: center;">
+                <a href="${feUrl}/home" class="button">Jetzt Spielen</a>
+            </div>
+            
+            <p>Bei Fragen stehen wir Ihnen jederzeit zur Verfügung.</p>
+            
+            <p>Mit freundlichen Grüßen,<br>
+            Ihr <span style="color: #10b981;">Trustworthy Casino</span> Team</p>
+        </div>
+        <div class="footer">
+            <p>2025 Trustworthy Casino - Alle Rechte vorbehalten</p>
+            <p>Diese E-Mail wurde automatisch generiert. Bitte antworten Sie nicht darauf.</p>
+        </div>
+    </div>
+</body>
+</html>

compose.yml

@@ -15,4 +15,14 @@ services:
     healthcheck:
       test: "exit 0"
     ports:
-      - "5432:5432"
+      - "5432:5432"
+  mailpit:
+    image: axllent/mailpit
+    container_name: casino-mailpit
+    restart: unless-stopped
+    ports:
+      - 8025:8025
+      - 1025:1025
+    environment:
+      MP_SMTP_AUTH_ACCEPT_ANY: 1
+      MP_SMTP_AUTH_ALLOW_INSECURE: 1