refactor : ProblemController 관련 API 엔드포인트 수정

src/main/java/com/gamzabat/algohub/feature/problem/controller/ProblemController.java

@@ -9,6 +9,7 @@
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PatchMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -31,60 +32,62 @@
 
 @RestController
 @RequiredArgsConstructor
-@RequestMapping("/api/problem")
+@RequestMapping("/api")
 @Tag(name = "문제 API", description = "그룹별 문제 관련 API")
 
 public class ProblemController {
 	private final ProblemService problemService;
 
-	@PostMapping
+	@PostMapping(value = "/groups/{groupId}/problems")
 	@Operation(summary = "문제 생성 API")
 	public ResponseEntity<Void> createProblem(@AuthedUser User user,
+		@PathVariable Long groupId,
 		@Valid @RequestBody CreateProblemRequest request, Errors errors) {
 		if (errors.hasErrors())
 			throw new RequestException("문제 생성 요청이 올바르지 않습니다.", errors);
-		problemService.createProblem(user, request);
+		problemService.createProblem(user, groupId, request);
 		return ResponseEntity.ok().build();
 	}
 
-	@PatchMapping
+	@PatchMapping(value = "/problems/{problemId}")
 	@Operation(summary = "문제 마감 기한 수정 API")
 	public ResponseEntity<Void> editProblemDeadline(@AuthedUser User user,
+		@PathVariable Long problemId,
 		@Valid @RequestBody EditProblemRequest request, Errors errors) {
 		if (errors.hasErrors())
 			throw new RequestException("문제 마감 기한 수정 요청이 올바르지 않습니다.", errors);
-		problemService.editProblem(user, request);
+		problemService.editProblem(user, problemId, request);
 		return ResponseEntity.ok().build();
 	}
 
-	@GetMapping
+	@GetMapping(value = "/groups/{groupId}/problems")
 	@Operation(summary = "문제 조회 API", description = "특정 그룹에 대한 문제를 모두 조회하는 API")
 	public ResponseEntity<GetProblemListsResponse> getProblemList(@AuthedUser User user,
-		@RequestParam Long groupId,
+		@PathVariable Long groupId,
 		@RequestParam(defaultValue = "0") int page,
 		@RequestParam(defaultValue = "20") int size) {
 		Pageable pageable = PageRequest.of(page, size);
 		GetProblemListsResponse response = problemService.getProblemList(user, groupId, pageable);
 		return ResponseEntity.ok().body(response);
 	}
 
-	@GetMapping("/deadline-reached")
+	@GetMapping("/groups/{groupId}/problems/deadline-reached")
 	@Operation(summary = "마감 기한이 내일까지인 문제들 조회 API")
 	public ResponseEntity<List<GetProblemResponse>> getDeadlineReachedProblemList(@AuthedUser User user,
-		@RequestParam Long groupId) {
+		@PathVariable Long groupId) {
 		return ResponseEntity.ok().body(problemService.getDeadlineReachedProblemList(user, groupId));
 	}
 
-	@GetMapping("/queued-problems")
+	@GetMapping("/groups/{groupId}/problems/queued")
 	@Operation(summary = "시작 예정인 문제들 조회 API")
 	public ResponseEntity<List<GetProblemResponse>> getQueuedProblemList(@AuthedUser User user,
-		@RequestParam Long groupId) {
+		@PathVariable Long groupId) {
 		return ResponseEntity.ok().body(problemService.getQueuedProblemList(user, groupId));
 	}
 
-	@DeleteMapping
+	@DeleteMapping(value = "/problems/{problemId}")
 	@Operation(summary = "문제 삭제 API")
-	public ResponseEntity<Void> deleteProblem(@AuthedUser User user, @RequestParam Long problemId) {
+	public ResponseEntity<Void> deleteProblem(@AuthedUser User user, @PathVariable Long problemId) {
 		problemService.deleteProblem(user, problemId);
 		return ResponseEntity.ok().build();
 	}

src/main/java/com/gamzabat/algohub/feature/problem/dto/CreateProblemRequest.java

@@ -7,8 +7,7 @@
 import lombok.Builder;
 
 @Builder
-public record CreateProblemRequest(@NotNull(message = "그룹 고유 아이디는 필수 입력 입니다.") Long groupId,
-								   @NotBlank(message = "문제 링크는 필수 입력 입니다.") String link,
+public record CreateProblemRequest(@NotBlank(message = "문제 링크는 필수 입력 입니다.") String link,
 								   @NotNull(message = "시작 날짜는 필수 입력 입니다.") LocalDate startDate,
 								   @NotNull(message = "마감 날짜는 필수 입력 입니다.") LocalDate endDate) {
 }

src/main/java/com/gamzabat/algohub/feature/problem/dto/EditProblemRequest.java

@@ -2,11 +2,9 @@
 
 import java.time.LocalDate;
 
-import jakarta.validation.constraints.NotNull;
 import lombok.Builder;
 
 @Builder
-public record EditProblemRequest(@NotNull(message = "문제 고유 아이디는 필수 입력 입니다.") Long problemId,
-								 LocalDate startDate,
+public record EditProblemRequest(LocalDate startDate,
 								 LocalDate endDate) {
 }

src/main/java/com/gamzabat/algohub/feature/problem/service/ProblemService.java

@@ -56,8 +56,8 @@ public class ProblemService {
 	private final RestTemplate restTemplate;
 
 	@Transactional
-	public void createProblem(User user, CreateProblemRequest request) {
-		StudyGroup group = getGroup(request.groupId());
+	public void createProblem(User user, Long groupId, CreateProblemRequest request) {
+		StudyGroup group = getGroup(groupId);
 		GroupMember groupMember = groupMemberRepository.findByUserAndStudyGroup(user, group)
 			.orElseThrow(
 				() -> new StudyGroupValidationException(HttpStatus.FORBIDDEN.value(), "참여하지 않은 그룹 입니다."));
@@ -94,8 +94,8 @@ public void createProblem(User user, CreateProblemRequest request) {
 	}
 
 	@Transactional
-	public void editProblem(User user, EditProblemRequest request) {
-		Problem problem = getProblem(request.problemId());
+	public void editProblem(User user, Long problemId, EditProblemRequest request) {
+		Problem problem = getProblem(problemId);
 		StudyGroup group = getGroup(problem.getStudyGroup().getId());
 		GroupMember groupMember = groupMemberRepository.findByUserAndStudyGroup(user, group)
 			.orElseThrow(