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| 1 | +package com.rightmark.domain.deadline.application; |
| 2 | + |
| 3 | +import java.time.OffsetDateTime; |
| 4 | +import java.time.format.DateTimeFormatter; |
| 5 | +import java.util.List; |
| 6 | + |
| 7 | +import org.springframework.stereotype.Service; |
| 8 | +import org.springframework.transaction.annotation.Transactional; |
| 9 | + |
| 10 | +import com.rightmark.domain.calendar.domain.entity.CalendarEvent; |
| 11 | +import com.rightmark.domain.calendar.domain.repository.CalendarEventRepository; |
| 12 | +import com.rightmark.domain.calendar.exception.CalendarEventNotFoundException; |
| 13 | +import com.rightmark.domain.deadline.converter.DeadlineConverter; |
| 14 | +import com.rightmark.domain.deadline.domain.entity.Checklist; |
| 15 | +import com.rightmark.domain.deadline.domain.entity.ChecklistItem; |
| 16 | +import com.rightmark.domain.deadline.domain.entity.Deadline; |
| 17 | +import com.rightmark.domain.deadline.domain.repository.ChecklistItemRepository; |
| 18 | +import com.rightmark.domain.deadline.domain.repository.ChecklistRepository; |
| 19 | +import com.rightmark.domain.deadline.domain.repository.DeadlineRepository; |
| 20 | +import com.rightmark.domain.deadline.dto.DeadlineDtos; |
| 21 | +import com.rightmark.domain.deadline.exception.ChecklistItemNotFoundException; |
| 22 | +import com.rightmark.domain.deadline.exception.DeadlineNotFoundException; |
| 23 | +import com.rightmark.domain.user.domain.entity.User; |
| 24 | +import com.rightmark.domain.user.domain.repository.UserRepository; |
| 25 | +import com.rightmark.domain.user.exception.UserNotFoundException; |
| 26 | + |
| 27 | +import lombok.RequiredArgsConstructor; |
| 28 | + |
| 29 | +@Service |
| 30 | +@RequiredArgsConstructor |
| 31 | +@Transactional |
| 32 | +public class DeadlineServiceImpl implements DeadlineService { |
| 33 | + |
| 34 | + private final CalendarEventRepository eventRepo; |
| 35 | + private final DeadlineRepository deadlineRepo; |
| 36 | + private final ChecklistRepository checklistRepo; |
| 37 | + private final ChecklistItemRepository itemRepo; |
| 38 | + private final UserRepository userRepo; |
| 39 | + |
| 40 | + private static final DateTimeFormatter ISO = DateTimeFormatter.ISO_OFFSET_DATE_TIME; |
| 41 | + |
| 42 | + private User mustUser(Long userId) { |
| 43 | + return userRepo.findById(userId).orElseThrow(UserNotFoundException::new); |
| 44 | + } |
| 45 | + |
| 46 | + private OffsetDateTime parseIso(String s) { |
| 47 | + return OffsetDateTime.parse(s, ISO); |
| 48 | + } |
| 49 | + |
| 50 | + /** 6) 데드라인 조회: eventId가 있으면 필터, 없으면 전체. page 메타는 응답에 포함하지 않음 */ |
| 51 | + @Override |
| 52 | + @Transactional(readOnly = true) |
| 53 | + public DeadlineDtos.ListResponse deadlines(Long userId, Long eventId) { |
| 54 | + List<Deadline> ds; |
| 55 | + if (eventId == null) { |
| 56 | + ds = deadlineRepo.findAllByUserId(userId); |
| 57 | + } else { |
| 58 | + ds = deadlineRepo.findAllByUserIdAndEventId(userId, eventId); |
| 59 | + } |
| 60 | + // fetch join이라 event 로딩됨 → 그대로 변환 |
| 61 | + var lines = ds.stream() |
| 62 | + .map(d -> { |
| 63 | + int checklistCount = checklistRepo |
| 64 | + .findByDeadline_IdAndDeadline_Owner_IdOrderByIdAsc(d.getId(), userId).size(); |
| 65 | + return DeadlineConverter.toView(d, checklistCount); |
| 66 | + }) |
| 67 | + .toList(); |
| 68 | + return DeadlineDtos.ListResponse.builder().deadlines(lines) |
| 69 | + .page(0).size(lines.size()).totalElements(lines.size()).totalPages(1).last(true) |
| 70 | + .build(); |
| 71 | + } |
| 72 | + |
| 73 | + /** 7) 데드라인 추가: eventId, note만 받아 progress=0으로 생성 */ |
| 74 | + @Override |
| 75 | + public DeadlineDtos.CreateResponse addDeadline(Long userId, DeadlineDtos.CreateRequest req) { |
| 76 | + CalendarEvent event = eventRepo.findByIdAndOwner_Id(req.getEventId(), userId) |
| 77 | + .orElseThrow(CalendarEventNotFoundException::new); |
| 78 | + |
| 79 | + Deadline saved = deadlineRepo.save(Deadline.create(event, req.getNote())); // progress=0 preset |
| 80 | + return DeadlineDtos.CreateResponse.builder() |
| 81 | + .deadlineId(saved.getId()) |
| 82 | + .eventId(event.getId()) |
| 83 | + .progress(saved.getProgress()) |
| 84 | + .note(saved.getNote()) |
| 85 | + .build(); |
| 86 | + } |
| 87 | + |
| 88 | + /** 8) 데드라인 삭제 */ |
| 89 | + @Override |
| 90 | + public void deleteDeadline(Long userId, Long deadlineId) { |
| 91 | + var d = deadlineRepo.findByIdAndEvent_Owner_Id(deadlineId, userId).orElseThrow(DeadlineNotFoundException::new); |
| 92 | + deadlineRepo.delete(d); // FK ON DELETE CASCADE (선택) or orphanRemoval 설정은 엔티티 설계에 맞춰 정책적으로 |
| 93 | + } |
| 94 | + |
| 95 | + /** 9) 체크리스트 조회 */ |
| 96 | + @Transactional(readOnly = true) |
| 97 | + @Override |
| 98 | + public DeadlineDtos.ChecklistListResponse checklists(Long userId, Long deadlineId) { |
| 99 | + var d = deadlineRepo.findByIdAndEvent_Owner_Id(deadlineId, userId).orElseThrow(DeadlineNotFoundException::new); |
| 100 | + var lists = checklistRepo.findByDeadline_IdAndDeadline_Owner_IdOrderByIdAsc(d.getId(), userId) |
| 101 | + .stream().map(DeadlineConverter::toChecklistView).toList(); |
| 102 | + return DeadlineConverter.toChecklistListResponse(deadlineId, lists); |
| 103 | + } |
| 104 | + |
| 105 | + /** 10) 체크리스트 추가 */ |
| 106 | + @Override |
| 107 | + public DeadlineDtos.ChecklistCreateResponse addChecklist(Long userId, Long deadlineId, |
| 108 | + DeadlineDtos.ChecklistCreateRequest req) { |
| 109 | + var d = deadlineRepo.findByIdAndEvent_Owner_Id(deadlineId, userId).orElseThrow(DeadlineNotFoundException::new); |
| 110 | + var saved = checklistRepo.save(Checklist.create(d, req.getTitle())); |
| 111 | + return DeadlineConverter.toChecklistCreateResponse(saved); |
| 112 | + } |
| 113 | + |
| 114 | + /** 11) 체크리스트 삭제 */ |
| 115 | + @Override |
| 116 | + public void deleteChecklist(Long userId, Long deadlineId, Long checklistId) { |
| 117 | + var list = checklistRepo.findByIdAndDeadline_Owner_Id(checklistId, userId) |
| 118 | + .orElseThrow(ChecklistItemNotFoundException::new); |
| 119 | + checklistRepo.delete(list); |
| 120 | + } |
| 121 | + |
| 122 | + // ===== 진행률 재계산 유틸 ===== |
| 123 | + private int recalcChecklistProgress(Long checklistId) { |
| 124 | + long total = itemRepo.countByChecklist_Id(checklistId); |
| 125 | + if (total == 0) |
| 126 | + return 0; |
| 127 | + long done = itemRepo.countByChecklist_IdAndDoneTrue(checklistId); |
| 128 | + return (int) Math.floor((done * 100.0) / total); |
| 129 | + } |
| 130 | + |
| 131 | + private int recalcDeadlineProgress(Long deadlineId, Long userId) { |
| 132 | + // 모든 체크리스트의 진행률 평균 |
| 133 | + var lists = checklistRepo.findByDeadline_IdAndDeadline_Owner_IdOrderByIdAsc(deadlineId, userId); |
| 134 | + if (lists.isEmpty()) |
| 135 | + return 0; |
| 136 | + int sum = 0; |
| 137 | + for (var cl : lists) |
| 138 | + sum += recalcChecklistProgress(cl.getId()); |
| 139 | + return (int) Math.floor(sum / (double) lists.size()); |
| 140 | + } |
| 141 | + |
| 142 | + private int recalcAndSaveDeadlineProgress(Long deadlineId, Long userId) { |
| 143 | + var d = deadlineRepo.findByIdAndEvent_Owner_Id(deadlineId, userId).orElseThrow(DeadlineNotFoundException::new); |
| 144 | + int p = recalcDeadlineProgress(deadlineId, userId); |
| 145 | + d.setProgress(p); |
| 146 | + return p; |
| 147 | + } |
| 148 | + |
| 149 | + // ===== 12) 아이템 조회 ===== |
| 150 | + @Transactional(readOnly = true) |
| 151 | + public DeadlineDtos.ItemsResponse listItems(Long userId, Long checklistId) { |
| 152 | + var checklist = checklistRepo.findByIdAndDeadline_Owner_Id(checklistId, userId) |
| 153 | + .orElseThrow(DeadlineNotFoundException::new); // 혹은 ChecklistNotFoundException |
| 154 | + |
| 155 | + // 조회 시 재계산 규칙 → 데드라인 진행률 갱신 |
| 156 | + int deadlineProgress = recalcAndSaveDeadlineProgress(checklist.getDeadline().getId(), userId); |
| 157 | + |
| 158 | + var items = itemRepo.findByChecklist_IdOrderByIdAsc(checklistId).stream() |
| 159 | + .map(DeadlineConverter::toItemView).toList(); |
| 160 | + |
| 161 | + return DeadlineConverter.toItemsResponse(checklistId, checklist.getDeadline().getId(), deadlineProgress, items); |
| 162 | + } |
| 163 | + |
| 164 | + // ===== 13) 아이템 추가 ===== |
| 165 | + public DeadlineDtos.ItemCreateResponse addItem(Long userId, Long checklistId, DeadlineDtos.ItemCreateRequest req) { |
| 166 | + var checklist = checklistRepo.findByIdAndDeadline_Owner_Id(checklistId, userId) |
| 167 | + .orElseThrow(DeadlineNotFoundException::new); |
| 168 | + |
| 169 | + var saved = itemRepo.save(ChecklistItem.create(checklist, req.getContent())); |
| 170 | + |
| 171 | + int deadlineProgress = recalcAndSaveDeadlineProgress(checklist.getDeadline().getId(), userId); |
| 172 | + return DeadlineConverter.toItemCreateResponse(saved, deadlineProgress); |
| 173 | + } |
| 174 | + |
| 175 | + // ===== 14) 아이템 삭제 ===== |
| 176 | + public void deleteItem(Long userId, Long itemId) { |
| 177 | + var item = itemRepo.findById(itemId).orElseThrow(ChecklistItemNotFoundException::new); |
| 178 | + var deadline = item.getChecklist().getDeadline(); |
| 179 | + if (!deadline.getOwner().getId().equals(userId)) |
| 180 | + throw new ChecklistItemNotFoundException(); |
| 181 | + |
| 182 | + itemRepo.delete(item); |
| 183 | + recalcAndSaveDeadlineProgress(deadline.getId(), userId); |
| 184 | + } |
| 185 | + |
| 186 | + // ===== 15) 아이템 완료/해제 ===== |
| 187 | + public DeadlineDtos.ItemToggleResponse toggleItem(Long userId, Long itemId, DeadlineDtos.ItemToggleRequest req) { |
| 188 | + var item = itemRepo.findById(itemId).orElseThrow(ChecklistItemNotFoundException::new); |
| 189 | + var deadline = item.getChecklist().getDeadline(); |
| 190 | + if (!deadline.getOwner().getId().equals(userId)) |
| 191 | + throw new ChecklistItemNotFoundException(); |
| 192 | + |
| 193 | + item.setDone(req.isDone()); |
| 194 | + int deadlineProgress = recalcAndSaveDeadlineProgress(deadline.getId(), userId); |
| 195 | + return DeadlineConverter.toItemToggleResponse(item, deadlineProgress); |
| 196 | + } |
| 197 | +} |
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