added get user by id

src/main/java/com/krylov/refound/controller/UserController.java

@@ -5,12 +5,16 @@ import com.krylov.refound.dto.UserUpdateDto;
 import com.krylov.refound.service.UserService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
 
 @RestController
 @RequestMapping("/api/v1/users")
@@ -20,11 +24,24 @@ public class UserController {
 
   private final UserService userService;
 
-  @PutMapping("/{id}")
-  public ResponseEntity<UserResponseDto> updateUser(@PathVariable Long id, @ModelAttribute UserUpdateDto userUpdateDto) {
-    log.info("updateUser, id={}", id);
-    UserResponseDto userResponseDto = userService.updateUser(id, userUpdateDto);
+  @GetMapping("/{id}")
+  public ResponseEntity<UserResponseDto> getUserById(@PathVariable Long id) {
+    log.info("getUserById, id={}", id);
+    UserResponseDto userResponseDto = userService.getUserById(id);
     return ResponseEntity.ok(userResponseDto);
   }
 
-}
+  @PutMapping(value = "/{id}", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
+  public ResponseEntity<UserResponseDto> updateUser(
+      @PathVariable Long id,
+      @ModelAttribute UserUpdateDto userUpdateDto,
+      @RequestParam(value = "avatar", required = false) MultipartFile avatar,
+      @RequestParam(value = "removeAvatar", required = false) Boolean removeAvatar) {
+    log.info("updateUser, id={}", id);
+    log.info("updateUser avatar empty: {}", avatar == null || avatar.isEmpty());
+    userUpdateDto.setAvatar(avatar);
+    UserResponseDto userResponseDto = userService.updateUser(id, userUpdateDto, removeAvatar);
+    return ResponseEntity.ok(userResponseDto);
+  }
+
+}

src/main/java/com/krylov/refound/service/UserService.java

@@ -35,7 +35,13 @@ public class UserService {
           .orElseThrow(() -> new ApiException(ErrorCode.NOT_FOUND, "User not found", HttpStatus.NOT_FOUND));
     }
 
-  public UserResponseDto updateUser(Long id, UserUpdateDto dto) {
+  public UserResponseDto getUserById(Long id) {
+    User user = repository.findById(id)
+        .orElseThrow(() -> new EntityNotFoundException("User not found"));
+    return getUserResponseDto(user);
+  }
+
+  public UserResponseDto updateUser(Long id, UserUpdateDto dto, Boolean removeAvatar) {
     User user = repository.findById(id)
         .orElseThrow(() -> new EntityNotFoundException("User not found"));
 
@@ -53,13 +59,23 @@ public class UserService {
       user.setAvatarUrl(newAvatarKey);
 
       // подчищаем старый файл, если он был и это реально ключ MinIO
-      if (oldAvatarKey != null && !oldAvatarKey.isBlank()) {
+      if (oldAvatarKey != null && !oldAvatarKey.isBlank() && isMinioKey(oldAvatarKey)) {
         try {
           fileStorageService.deleteFile(oldAvatarKey);
         } catch (Exception e) {
           log.warn("Не удалось удалить старый аватар из хранилища: {}", oldAvatarKey, e);
         }
       }
+    } else if (Boolean.TRUE.equals(removeAvatar)) {
+      String oldAvatarKey = user.getAvatarUrl();
+      if (oldAvatarKey != null && !oldAvatarKey.isBlank() && isMinioKey(oldAvatarKey)) {
+        try {
+          fileStorageService.deleteFile(oldAvatarKey);
+        } catch (Exception e) {
+          log.warn("Не удалось удалить старый аватар из хранилища: {}", oldAvatarKey, e);
+        }
+      }
+      user.setAvatarUrl(null);
     }
 
     repository.save(user);
@@ -69,6 +85,11 @@ public class UserService {
     return userResponseDto;
   }
 
+  /** Ключ MinIO — относительный (без хоста и без ведущего слеша). */
+  private static boolean isMinioKey(String key) {
+    return !key.startsWith("http://") && !key.startsWith("https://") && !key.startsWith("/") && !key.contains("\\");
+  }
+
   public Long getUserIdByLogin(String login) {
     return repository.findUserByLogin(login)
         .orElseThrow(() -> new EntityNotFoundException("User not found"));