DEAR-112: add update user

src/main/java/ch/fhnw/deardevbackend/controller/UserController.java

@@ -1,14 +1,12 @@
 package ch.fhnw.deardevbackend.controller;
 
 import ch.fhnw.deardevbackend.dto.UserAndProviderDTO;
+import ch.fhnw.deardevbackend.dto.UserDTO;
 import ch.fhnw.deardevbackend.entities.User;
 import ch.fhnw.deardevbackend.services.UserService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
 
@@ -33,4 +31,9 @@ public ResponseEntity<User> getUserById(@PathVariable Integer id) {
     public ResponseEntity<UserAndProviderDTO> getUserByProviderById(@PathVariable Integer id) {
         return ResponseEntity.ok().body(userService.getUserWithProviderById(id));
     }
+
+    @PutMapping("user/update")
+    public void updateUser(@RequestBody UserDTO request) {
+        userService.updateUser(request.getId(), request.getUsername());
+    }
 }

src/main/java/ch/fhnw/deardevbackend/dto/UserAndProviderDTO.java

@@ -8,4 +8,5 @@ public class UserAndProviderDTO {
     private String name;
     private String email;
     private String provider;
+    private String username;
 }

src/main/java/ch/fhnw/deardevbackend/dto/UserDTO.java

@@ -0,0 +1,9 @@
+package ch.fhnw.deardevbackend.dto;
+
+import lombok.Data;
+
+@Data
+public class UserDTO {
+    private int id;
+    private String username;
+}

src/main/java/ch/fhnw/deardevbackend/entities/User.java

@@ -17,6 +17,7 @@ public class User {
     @Id
     private int id;
     private String name;
+    private String username;
     private String email;
     private String image;
 }

src/main/java/ch/fhnw/deardevbackend/mapper/UserProviderMapper.java

@@ -14,6 +14,7 @@ public interface UserProviderMapper {
     @Mapping(source = "user.id", target = "id")
     @Mapping(source = "user.name", target = "name")
     @Mapping(source = "user.email", target = "email")
+    @Mapping(source = "user.username", target = "username")
     @Mapping(source = "provider", target = "provider")
     UserAndProviderDTO toDto(User user, String provider);
 }

src/main/java/ch/fhnw/deardevbackend/services/UserService.java

@@ -9,6 +9,7 @@
 import org.springdoc.api.OpenApiResourceNotFoundException;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
 import java.util.Optional;
@@ -37,6 +38,17 @@ public UserAndProviderDTO getUserWithProviderById(Integer id) {
         return userMapper.toDto(user, provider);
     }
 
+    @Transactional
+    public void updateUser(int id, String username) {
+        User user = userRepository.findById(id).orElseThrow(() -> new OpenApiResourceNotFoundException("User not found"));
+        if (user != null) {
+            user.setUsername(username);
+            userRepository.save(user);
+        } else {
+            throw new IllegalArgumentException("User not found");
+        }
+    }
+
     // used for JWT filter
     public Optional<User> findUserByEmail(String email) {
         return userRepository.findByEmail(email);