класс юзер контроллер

backend/src/main/java/com/example/backend/users/api/UserController.java

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+package com.example.backend.users.api;
+
+import java.util.List;
+
+import org.modelmapper.ModelMapper;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.example.backend.core.configurations.Constants;
+import com.example.backend.users.model.UserEntity;
+import com.example.backend.users.service.UserService;
+
+import jakarta.validation.Valid;
+
+@RestController
+@RequestMapping(Constants.API_URL + "/user")
+public class UserController {
+
+    private final UserService userService;
+    private final ModelMapper modelMapper;
+
+    public UserController(UserService userService, ModelMapper modelMapper) {
+        this.modelMapper = modelMapper;
+        this.userService = userService;
+    }
+
+    private UserEntity toEntity(UserDTO dto) {
+        return modelMapper.map(dto, UserEntity.class);
+    }
+
+    private UserDTO toDto(UserEntity entity) {
+        return modelMapper.map(entity, UserDTO.class);
+    }
+
+    @GetMapping()
+    public List<UserDTO> getAll() {
+        return userService.getAll().stream().map(this::toDto).toList();
+    }
+
+    @GetMapping("/{id}")
+    public UserDTO get(@PathVariable(name = "id") Integer id) {
+        return toDto(userService.get(id));
+    }
+
+    @PostMapping
+    public UserDTO create(@RequestBody @Valid UserDTO userDTO) {
+
+        return toDto(userService.create(toEntity(userDTO)));
+    }
+
+    @PutMapping("/{id}")
+    public UserDTO update(@PathVariable(name = "id") Integer id, @RequestBody UserDTO userDTO) {
+        return toDto(userService.update(id, toEntity(userDTO)));
+    }
+
+    @DeleteMapping("/{id}")
+    public UserDTO delete(@PathVariable(name = "id") Integer id) {
+        return toDto(userService.delete(id));
+    }
+}