✨ [Feature] 개인일정 기간 조회 API Service 기능 추가 #1061

gg-calendar-api/src/main/java/gg/calendar/api/user/schedule/privateschedule/service/PrivateScheduleService.java

@@ -1,6 +1,11 @@
 package gg.calendar.api.user.schedule.privateschedule.service;
 
 import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.stream.Collectors;
 
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -9,6 +14,7 @@
 import gg.calendar.api.user.schedule.privateschedule.controller.request.PrivateScheduleCreateReqDto;
 import gg.calendar.api.user.schedule.privateschedule.controller.request.PrivateScheduleUpdateReqDto;
 import gg.calendar.api.user.schedule.privateschedule.controller.response.PrivateScheduleDetailResDto;
+import gg.calendar.api.user.schedule.privateschedule.controller.response.PrivateSchedulePeriodResDto;
 import gg.calendar.api.user.schedule.privateschedule.controller.response.PrivateScheduleUpdateResDto;
 import gg.data.calendar.PrivateSchedule;
 import gg.data.calendar.PublicSchedule;
@@ -85,8 +91,24 @@ public PrivateScheduleDetailResDto getPrivateScheduleDetail(UserDto userDto, Lon
 		return PrivateScheduleDetailResDto.toDto(privateSchedule, scheduleGroup);
 	}
 
-	// public List<PrivateSchedulePeriodResDto> getPrivateSchedulePeriod(UserDto userDto, Long privateScheduleId) {
-	// }
+	public List<PrivateSchedulePeriodResDto> getPrivateSchedulePeriod(UserDto userDto, LocalDateTime startTime,
+		LocalDateTime endTime) {
+		User user = userRepository.getById(userDto.getId());
+		List<PrivateSchedule> privateSchedules = privateScheduleRepository.findOverlappingSchedulesByUser(startTime,
+			endTime, user);
+		Map<Long, ScheduleGroup> scheduleGroups = scheduleGroupRepository.findByUserId(userDto.getId()).stream()
+			.collect(Collectors.toMap(ScheduleGroup::getId, Function.identity(), (existing, replacement) -> existing));
+		List<PrivateSchedulePeriodResDto> response = new ArrayList<>();
+
+		for (PrivateSchedule privateSchedule : privateSchedules) {
+			ScheduleGroup scheduleGroup = scheduleGroups.get(privateSchedule.getGroupId());
+			if (scheduleGroup == null) {
+				throw new NotExistException(ErrorCode.SCHEDULE_GROUP_NOT_FOUND);
+			}
+			response.add(PrivateSchedulePeriodResDto.toDto(privateSchedule, scheduleGroup));
+		}
+		return response;
+	}
 
 	public void validateDetailClassification(DetailClassification classification) {
 		if (classification != DetailClassification.PRIVATE_SCHEDULE) {

gg-repo/src/main/java/gg/repo/calendar/PrivateScheduleRepository.java

@@ -1,16 +1,23 @@
 package gg.repo.calendar;
 
+import java.time.LocalDateTime;
 import java.util.List;
 
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.stereotype.Repository;
 
 import gg.data.calendar.PrivateSchedule;
 import gg.data.calendar.PublicSchedule;
+import gg.data.user.User;
 
 @Repository
 public interface PrivateScheduleRepository extends JpaRepository<PrivateSchedule, Long> {
 	List<PrivateSchedule> findByPublicSchedule(PublicSchedule publicSchedule);
 
-	List<PrivateSchedule> findByUserId(Long userId);
+	@Query("SELECT pr FROM PrivateSchedule pr "
+		+ "JOIN pr.publicSchedule pu "
+		+ "WHERE NOT (pu.startTime > :endTime OR pu.endTime < :startTime) "
+		+ "AND pr.user = :user")
+	List<PrivateSchedule> findOverlappingSchedulesByUser(LocalDateTime startTime, LocalDateTime endTime, User user);
 }