o2o-negosium-original/negodata/backend/crud/quotation_crud.py

from abc import ABC, abstractmethod
from datetime import datetime
from typing import Optional, Tuple

from sqlalchemy import select, func, and_, update
from sqlalchemy.ext.asyncio import AsyncSession

from common.database.db_session_manager import DB_SESSION_MNG
from common.database.model.models import quotations, sessions, chats, nego_cards, wild_cards
from common.enums import ErrorType
from common.logger import LOG
from common.utils.gtime import GTime


# 견적 CRUD.
class IQuotationCRUD(ABC):
    @abstractmethod
    async def search(
        self, cdb: AsyncSession, status, type_, start_from, start_to, skip, limit
    ) -> Tuple[ErrorType, list, int]:
        pass

    @abstractmethod
    async def get_by_id(self, cdb: AsyncSession, qt_id) -> Tuple[ErrorType, quotations]:
        pass

    @abstractmethod
    async def add_quotation(self, cdb: AsyncSession, quotation: quotations) -> ErrorType:
        pass

    @abstractmethod
    async def update_quotation(self, cdb: AsyncSession, qt_id, data: dict) -> ErrorType:
        pass

    @abstractmethod
    async def soft_delete(self, cdb: AsyncSession, qt_id) -> ErrorType:
        pass

    @abstractmethod
    async def list_sessions(self, cdb: AsyncSession, qt_id) -> Tuple[ErrorType, list]:
        pass

    @abstractmethod
    async def list_chats(self, cdb: AsyncSession, session_id) -> Tuple[ErrorType, list]:
        pass

    @abstractmethod
    async def list_used_cards(self, cdb: AsyncSession, qt_id) -> Tuple[ErrorType, list]:
        pass

    @abstractmethod
    async def session_counts(self, cdb: AsyncSession, qt_ids) -> Tuple[ErrorType, dict]:
        pass


class QuotationCRUD(IQuotationCRUD):
    async def search(
        self,
        cdb: AsyncSession,
        status: Optional[str],
        type_: Optional[str],
        start_from: Optional[datetime],
        start_to: Optional[datetime],
        skip: int,
        limit: int,
    ) -> Tuple[ErrorType, list, int]:
        try:
            conditions = [quotations.deleted == False]  # noqa: E712
            if status:
                conditions.append(quotations.status == status)
            if type_:
                conditions.append(quotations.type == type_)
            if start_from:
                conditions.append(quotations.start_time >= start_from)
            if start_to:
                conditions.append(quotations.start_time <= start_to)
            where = and_(*conditions)

            cnt_err, cnt_rows = await DB_SESSION_MNG.execute(cdb, select(func.count()).select_from(quotations).where(where))
            if cnt_err != ErrorType.SUCCESS:
                return cnt_err, [], 0
            total = int(cnt_rows[0] or 0) if cnt_rows else 0

            list_err, rows = await DB_SESSION_MNG.execute(
                cdb,
                select(quotations).where(where).order_by(quotations.created_at.desc()).offset(skip).limit(limit),
            )
            if list_err != ErrorType.SUCCESS:
                return list_err, [], 0
            return ErrorType.SUCCESS, list(rows), total
        except Exception as ex:
            LOG.e_no_callstack(ex)
            return ErrorType.DB_RUN_FAILED, [], 0

    async def session_counts(self, cdb: AsyncSession, qt_ids) -> Tuple[ErrorType, dict]:
        """견적 id 목록에 대해 참여 협력사 수(distinct supplier)를 한 번에 센다. {qt_id: count}."""
        try:
            if not qt_ids:
                return ErrorType.SUCCESS, {}
            query = (
                select(sessions.quotation_id, func.count(func.distinct(sessions.supplier_id)))
                .where(sessions.quotation_id.in_(qt_ids), sessions.deleted == False)  # noqa: E712
                .group_by(sessions.quotation_id)
            )
            err_type, rows = await DB_SESSION_MNG.execute(cdb, query)
            if err_type != ErrorType.SUCCESS:
                return err_type, {}
            return ErrorType.SUCCESS, {r[0]: int(r[1] or 0) for r in rows}
        except Exception as ex:
            LOG.e_no_callstack(ex)
            return ErrorType.DB_RUN_FAILED, {}

    async def get_by_id(self, cdb: AsyncSession, qt_id) -> Tuple[ErrorType, quotations]:
        try:
            query = select(quotations).where(quotations.qt_id == qt_id, quotations.deleted == False).limit(1)  # noqa: E712
            err_type, row_list = await DB_SESSION_MNG.execute(cdb, query)
            if err_type != ErrorType.SUCCESS:
                return err_type, None
            if len(row_list) != 1:
                return ErrorType.DB_INVALID_KEY, None
            return ErrorType.SUCCESS, row_list[0]
        except Exception as ex:
            LOG.e_no_callstack(ex)
            return ErrorType.DB_RUN_FAILED, None

    async def add_quotation(self, cdb: AsyncSession, quotation: quotations) -> ErrorType:
        try:
            return await DB_SESSION_MNG.insert(cdb, quotation)
        except Exception as ex:
            LOG.e_no_callstack(ex)
            return ErrorType.DB_RUN_FAILED

    async def update_quotation(self, cdb: AsyncSession, qt_id, data: dict) -> ErrorType:
        try:
            if not data:
                return ErrorType.SUCCESS
            query = update(quotations).where(quotations.qt_id == qt_id).values(**data)
            return await DB_SESSION_MNG.add(cdb, query)
        except Exception as ex:
            LOG.e_no_callstack(ex)
            return ErrorType.DB_RUN_FAILED

    async def soft_delete(self, cdb: AsyncSession, qt_id) -> ErrorType:
        try:
            query = update(quotations).where(quotations.qt_id == qt_id).values(deleted=True, updated_at=GTime.UTC())
            return await DB_SESSION_MNG.add(cdb, query)
        except Exception as ex:
            LOG.e_no_callstack(ex)
            return ErrorType.DB_RUN_FAILED

    # ----- 견적 상세: 세션 / 채팅 / 사용카드 (읽기 전용) -----
    async def list_sessions(self, cdb: AsyncSession, qt_id) -> Tuple[ErrorType, list]:
        try:
            query = (
                select(sessions)
                .where(sessions.quotation_id == qt_id, sessions.deleted == False)  # noqa: E712
                .order_by(sessions.created_at.asc())
            )
            err_type, rows = await DB_SESSION_MNG.execute(cdb, query)
            if err_type != ErrorType.SUCCESS:
                return err_type, []
            return ErrorType.SUCCESS, list(rows)
        except Exception as ex:
            LOG.e_no_callstack(ex)
            return ErrorType.DB_RUN_FAILED, []

    async def list_chats(self, cdb: AsyncSession, session_id) -> Tuple[ErrorType, list]:
        try:
            query = (
                select(chats)
                .where(chats.session_id == session_id, chats.deleted == False)  # noqa: E712
                .order_by(chats.seq.asc())
            )
            err_type, rows = await DB_SESSION_MNG.execute(cdb, query)
            if err_type != ErrorType.SUCCESS:
                return err_type, []
            return ErrorType.SUCCESS, list(rows)
        except Exception as ex:
            LOG.e_no_callstack(ex)
            return ErrorType.DB_RUN_FAILED, []

    async def list_used_cards(self, cdb: AsyncSession, qt_id) -> Tuple[ErrorType, list]:
        """견적의 세션들에서 실제 사용된 카드(chats.card_used_yn)를 카드 카탈로그와 조인.
        반환: [(chat_row, card_id, number, name, script, edit_script, condition, memo), ...].
        card_type 1=nego_cards / 2=wild_cards 양쪽을 LEFT JOIN 해서 어느 쪽이든 잡는다.
        condition/memo 는 wild_cards 에만 있는 컬럼이라 nego 카드면 NULL 로 나온다.
        """
        try:
            query = (
                select(
                    chats,
                    func.coalesce(nego_cards.nego_card_id, wild_cards.wild_card_id).label("card_pk"),
                    func.coalesce(nego_cards.number, wild_cards.number).label("card_number"),
                    func.coalesce(nego_cards.name, wild_cards.name).label("card_name"),
                    func.coalesce(nego_cards.script, wild_cards.script).label("card_script"),
                    func.coalesce(nego_cards.edit_script, wild_cards.edit_script).label("card_edit_script"),
                    wild_cards.condition.label("card_condition"),
                    wild_cards.memo.label("card_memo"),
                )
                .join(sessions, sessions.session_id == chats.session_id)
                .outerjoin(nego_cards, and_(nego_cards.nego_card_id == chats.card_id, chats.card_type == 1))
                .outerjoin(wild_cards, and_(wild_cards.wild_card_id == chats.card_id, chats.card_type == 2))
                .where(
                    sessions.quotation_id == qt_id,
                    chats.card_used_yn == True,  # noqa: E712
                    chats.deleted == False,  # noqa: E712
                    sessions.deleted == False,  # noqa: E712
                )
                .order_by(chats.created_at.asc())
            )
            err_type, rows = await DB_SESSION_MNG.execute(cdb, query)
            if err_type != ErrorType.SUCCESS:
                return err_type, []
            return ErrorType.SUCCESS, list(rows)
        except Exception as ex:
            LOG.e_no_callstack(ex)
            return ErrorType.DB_RUN_FAILED, []