refactor: clean up unused imports across controllers

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

@@ -13,7 +13,6 @@ import org.springframework.web.client.RestTemplate;
 import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.List;
 
 @SpringBootApplication
 public class CasinoApplication {

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

@@ -11,8 +11,8 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
-import java.math.BigDecimal;
+import java.util.Objects;
-import java.util.*;
+import java.util.Optional;
 
 @Slf4j
 @RestController

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

@@ -7,20 +7,14 @@ import com.stripe.param.checkout.SessionCreateParams;
 import de.szut.casino.deposit.dto.AmountDto;
 import de.szut.casino.deposit.dto.SessionIdDto;
 import de.szut.casino.user.UserEntity;
-import de.szut.casino.user.UserRepository;
 import de.szut.casino.user.UserService;
-import de.szut.casino.user.dto.KeycloakUserDto;
 import jakarta.validation.Valid;
 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.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestHeader;
 import org.springframework.web.bind.annotation.RestController;
-import org.springframework.web.client.RestTemplate;
 
 import java.util.Optional;
 

backend/src/main/java/de/szut/casino/lootboxes/LootBoxController.java

@@ -3,13 +3,15 @@ package de.szut.casino.lootboxes;
 import de.szut.casino.exceptionHandling.exceptions.InsufficientFundsException;
 import de.szut.casino.exceptionHandling.exceptions.UserNotFoundException;
 import de.szut.casino.user.UserEntity;
-import de.szut.casino.user.UserRepository;
 import de.szut.casino.user.UserService;
 import jakarta.validation.Valid;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
 
 @RestController
 public class LootBoxController {

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

@@ -8,7 +8,10 @@ import de.szut.casino.user.dto.GetUserDto;
 import jakarta.validation.Valid;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.*;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
 
 @RestController
 @RequestMapping("/auth")

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

@@ -1,6 +1,5 @@
 package de.szut.casino.security.service;
 
-import de.szut.casino.exceptionHandling.exceptions.UserNotFoundException;
 import de.szut.casino.user.UserEntity;
 import de.szut.casino.user.UserRepository;
 import org.springframework.beans.factory.annotation.Autowired;

backend/src/main/java/de/szut/casino/slots/SlotController.java

@@ -11,7 +11,6 @@ import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
 import java.math.BigDecimal;
-import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Optional;

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

@@ -4,7 +4,10 @@ import de.szut.casino.user.dto.GetUserDto;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.*;
+import org.springframework.web.bind.annotation.CrossOrigin;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
 
 @Slf4j
 @RestController

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

@@ -1,13 +1,8 @@
 package de.szut.casino.user;
 
-import de.szut.casino.user.dto.CreateUserDto;
 import de.szut.casino.user.dto.GetUserDto;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Service;
 
-import java.math.BigDecimal;
-
 @Service
 public class UserMappingService {
     

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

@@ -1,8 +1,6 @@
 package de.szut.casino.user;
 
-import de.szut.casino.exceptionHandling.exceptions.UserNotFoundException;
 import de.szut.casino.user.dto.CreateUserDto;
-import de.szut.casino.user.dto.GetUserDto;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.security.crypto.password.PasswordEncoder;

backend/src/main/java/de/szut/casino/user/dto/KeycloakUserDto.java

@@ -1,15 +0,0 @@
-package de.szut.casino.user.dto;
-
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
-import lombok.Setter;
-
-@Getter
-@Setter
-@AllArgsConstructor
-@NoArgsConstructor
-public class KeycloakUserDto {
-    private String sub;
-    private String preferred_username;
-}