TDD-BE/src/main/java/com/leets/tdd/party/service/DeliveryPartyService.java at 4518be46c1e437667669fb3321d84264c5e7f91c · Leets-Official/TDD-BE · GitHub

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package com.leets.tdd.party.service;

import com.leets.tdd.party.domain.DeliveryParty;
import com.leets.tdd.party.domain.PartyStatus;
import com.leets.tdd.party.dto.request.CreateDeliveryPartyRequest;
import com.leets.tdd.party.dto.request.UpdateDeliveryPartyRequest;
import com.leets.tdd.party.dto.response.CreateDeliveryPartyResponse;
import com.leets.tdd.party.dto.response.DeliveryPartyDetailResponse;
import com.leets.tdd.party.exception.PartyErrorCode;
import com.leets.tdd.party.exception.PartyException;
import com.leets.tdd.party.repository.DeliveryPartyRepository;
import com.leets.tdd.settlement.domain.SettlementStatus;
import com.leets.tdd.user.domain.User;
import com.leets.tdd.user.repository.UserRepository;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.List;
import java.util.stream.Collectors;

@Service
@RequiredArgsConstructor
public class DeliveryPartyService {

    private final DeliveryPartyRepository deliveryPartyRepository;
    private final UserRepository userRepository;


    // 배달팟 생성 API
    public CreateDeliveryPartyResponse createDeliveryParty(CreateDeliveryPartyRequest request) {

        User user = userRepository.findAll()
                .stream()
                .findFirst()
                .orElseThrow(() -> new IllegalArgumentException("사용자가 없습니다."));

        Long creatorId = user.getId();

        DeliveryParty deliveryParty = new DeliveryParty(
                creatorId,
                request.getFoodCategoryId(),
                request.getTitle(),
                request.getDescription(),
                request.getMinParticipants(),
                request.getMaxParticipants(),
                request.getOrderExpectedAt(),
                PartyStatus.RECRUITING,
                null,
                SettlementStatus.NONE,
                null,
                null,
                null,
                LocalDateTime.now(),
                LocalDateTime.now()
        );

        DeliveryParty savedDeliveryParty = deliveryPartyRepository.save(deliveryParty);

        return new CreateDeliveryPartyResponse(
                savedDeliveryParty.getId(),
                savedDeliveryParty.getFoodCategoryId(),
                savedDeliveryParty.getTitle(),
                savedDeliveryParty.getDescription(),
                savedDeliveryParty.getMinParticipants(),
                savedDeliveryParty.getMaxParticipants(),
                savedDeliveryParty.getOrderExpectedAt(),
                savedDeliveryParty.getStatus().name(),
                savedDeliveryParty.getCreatedAt()
        );
    }


    // 배달팟 목록 조회 API
    public List<CreateDeliveryPartyResponse> getDeliveryParties() {

        List<DeliveryParty> deliveryParties =
                deliveryPartyRepository.findAllByOrderByCreatedAtDesc();

        return deliveryParties.stream()
                .map(deliveryParty -> new CreateDeliveryPartyResponse(
                        deliveryParty.getId(),
                        deliveryParty.getFoodCategoryId(),
                        deliveryParty.getTitle(),
                        deliveryParty.getDescription(),
                        deliveryParty.getMinParticipants(),
                        deliveryParty.getMaxParticipants(),
                        deliveryParty.getOrderExpectedAt(),
                        deliveryParty.getStatus().name(),
                        deliveryParty.getCreatedAt()
                ))
                .collect(Collectors.toList());
    }


    // 배달팟 상세 조회 API
    public DeliveryPartyDetailResponse getDeliveryPartyDetail(Long partyId) {

        DeliveryParty deliveryParty = deliveryPartyRepository.findById(partyId)
                .orElseThrow(() -> new PartyException(PartyErrorCode.PARTY_NOT_FOUND));

        return new DeliveryPartyDetailResponse(deliveryParty);
    }


    // 배달팟 수정 API
    public void updateDeliveryParty(
            Long partyId,
            UpdateDeliveryPartyRequest request,
            Long currentUserId
    ) {

        DeliveryParty deliveryParty = deliveryPartyRepository.findById(partyId)
                .orElseThrow(() -> new PartyException(PartyErrorCode.PARTY_NOT_FOUND));


        if (!deliveryParty.getCreatorId().equals(currentUserId)) {
            throw new PartyException(PartyErrorCode.NOT_OWNER);
        }


        if (deliveryParty.getStatus() != PartyStatus.RECRUITING) {
            throw new PartyException(PartyErrorCode.INVALID_PARTY_STATUS);
        }


        deliveryParty.update(
                request.getTitle(),
                request.getDescription(),
                request.getMaxParticipants(),
                request.getOrderExpectedAt()
        );

        deliveryPartyRepository.save(deliveryParty);
    }


    // 배달팟 삭제(취소) API
    public Long deleteDeliveryParty(
            Long partyId,
            Long currentUserId
    ) {

        DeliveryParty deliveryParty = deliveryPartyRepository.findById(partyId)
                .orElseThrow(() -> new PartyException(PartyErrorCode.PARTY_NOT_FOUND));

        if (!deliveryParty.getCreatorId().equals(currentUserId)) {
            throw new PartyException(PartyErrorCode.NOT_OWNER);
        }

        deliveryParty.cancel();

        System.out.println("서비스 내부 상태 = " + deliveryParty.getStatus());

        deliveryPartyRepository.save(deliveryParty);

        return partyId;
    }
}