style: clean up whitespace in multiple files

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

@@ -8,9 +8,6 @@ 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;
 

backend/src/main/java/de/szut/casino/blackjack/BlackJackService.java

@@ -112,7 +112,6 @@ public class BlackJackService {
         dealCardToPlayer(game);
         dealCardToSplitHand(game);
 
-        return blackJackGameRepository.save(game);
     }
 
     private BlackJackGameEntity processGameBasedOnState(BlackJackGameEntity game) {

backend/src/main/java/de/szut/casino/config/OpenAPIConfiguration.java

@@ -1,7 +1,6 @@
 package de.szut.casino.config;
 
 
-
 import io.swagger.v3.oas.models.Components;
 import io.swagger.v3.oas.models.OpenAPI;
 import io.swagger.v3.oas.models.info.Info;

backend/src/main/java/de/szut/casino/deposit/DepositController.java

@@ -53,8 +53,8 @@ public class DepositController {
                                 .build())
                         .setQuantity(1L)
                         .build())
-                .setSuccessUrl(frontendHost+"/home?success=true")
+                .setSuccessUrl(frontendHost + "/home?success=true")
-                .setCancelUrl(frontendHost+"/home?success=false")
+                .setCancelUrl(frontendHost + "/home?success=false")
                 .setMode(SessionCreateParams.Mode.PAYMENT)
                 .build();
 

backend/src/main/java/de/szut/casino/exceptionHandling/exceptions/EmailNotVerifiedException.java

@@ -1,7 +1,5 @@
 package de.szut.casino.exceptionHandling.exceptions;
 
-import de.szut.casino.security.service.EmailService;
-
 public class EmailNotVerifiedException extends Exception {
     public EmailNotVerifiedException() {
         super("Email not verified");

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

@@ -1,9 +1,7 @@
 package de.szut.casino.security;
 
-import de.szut.casino.exceptionHandling.ErrorDetails;
 import de.szut.casino.exceptionHandling.exceptions.EmailNotVerifiedException;
 import de.szut.casino.security.dto.AuthResponseDto;
-import de.szut.casino.security.dto.GithubCallbackDto;
 import de.szut.casino.security.dto.LoginRequestDto;
 import de.szut.casino.security.dto.ResetPasswordDto;
 import de.szut.casino.security.service.AuthService;

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

@@ -2,26 +2,14 @@ package de.szut.casino.security;
 
 import de.szut.casino.security.dto.AuthResponseDto;
 import de.szut.casino.security.dto.GithubCallbackDto;
-import de.szut.casino.security.jwt.JwtUtils;
-import de.szut.casino.user.AuthProvider;
-import de.szut.casino.user.UserEntity;
-import de.szut.casino.user.UserRepository;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
-import org.springframework.http.HttpEntity;
-import org.springframework.http.HttpHeaders;
-import org.springframework.http.HttpMethod;
 import org.springframework.http.ResponseEntity;
-import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.web.bind.annotation.*;
-import org.springframework.web.client.RestTemplate;
 import org.springframework.web.servlet.view.RedirectView;
 
-import java.math.BigDecimal;
-import java.util.*;
-
 @RestController
 @RequestMapping("/oauth2/github")
 public class GitHubController {

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

@@ -16,7 +16,6 @@ import org.springframework.http.ResponseEntity;
 import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
 import org.springframework.security.core.Authentication;
-import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Service;
 import org.springframework.web.client.RestTemplate;

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

@@ -1,8 +1,6 @@
 package de.szut.casino.security;
 
 import de.szut.casino.security.jwt.JwtAuthenticationFilter;
-import de.szut.casino.security.oauth2.CustomOAuth2UserService;
-import de.szut.casino.security.oauth2.OAuth2AuthenticationSuccessHandler;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;

backend/src/main/java/de/szut/casino/security/oauth2/CustomOAuth2UserService.java

@@ -54,10 +54,10 @@ public class CustomOAuth2UserService extends DefaultOAuth2UserService {
         Optional<UserEntity> userOptional = userRepository.findByEmail(email);
         UserEntity user;
 
-        if(userOptional.isPresent()) {
+        if (userOptional.isPresent()) {
             user = userOptional.get();
 
-            if(!user.getProvider().equals(AuthProvider.valueOf(registrationId.toUpperCase()))) {
+            if (!user.getProvider().equals(AuthProvider.valueOf(registrationId.toUpperCase()))) {
                 throw new OAuth2AuthenticationProcessingException("You're signed up with " +
                         user.getProvider() + ". Please use your " + user.getProvider() +
                         " account to login.");

backend/src/main/java/de/szut/casino/security/oauth2/OAuth2AuthenticationSuccessHandler.java

@@ -1,7 +1,6 @@
 package de.szut.casino.security.oauth2;
 
 import de.szut.casino.security.jwt.JwtUtils;
-import de.szut.casino.user.UserEntity;
 import de.szut.casino.user.UserRepository;
 import jakarta.servlet.ServletException;
 import jakarta.servlet.http.HttpServletRequest;

backend/src/main/java/de/szut/casino/security/oauth2/OAuth2UserInfoFactory.java

@@ -8,7 +8,7 @@ import java.util.Map;
 public class OAuth2UserInfoFactory {
 
     public static OAuth2UserInfo getOAuth2UserInfo(String registrationId, Map<String, Object> attributes) {
-        if(registrationId.equalsIgnoreCase(AuthProvider.GITHUB.toString())) {
+        if (registrationId.equalsIgnoreCase(AuthProvider.GITHUB.toString())) {
             return new GitHubOAuth2UserInfo(attributes);
         } else {
             throw new OAuth2AuthenticationProcessingException("Sorry! Login with " + registrationId + " is not supported yet.");

backend/src/main/java/de/szut/casino/user/UserEntity.java

@@ -1,11 +1,6 @@
 package de.szut.casino.user;
 
-import jakarta.persistence.Column;
+import jakarta.persistence.*;
-import jakarta.persistence.Entity;
-import jakarta.persistence.EnumType;
-import jakarta.persistence.Enumerated;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.Id;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;