666 lines
30 KiB
Python
666 lines
30 KiB
Python
import lexorank
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import models.secondary
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from typing import Union
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import models.deal
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from fastapi import HTTPException
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from sqlalchemy import select, func, update, delete, insert
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from sqlalchemy.orm import joinedload, selectinload
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from models import User, Service, Client
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from models.deal import *
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from schemas.client import ClientDetailsSchema
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from schemas.deal import *
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from services.base import BaseService
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from services.client import ClientService
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from services.shipping_warehouse import ShippingWarehouseService
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class DealService(BaseService):
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# region Deal
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async def _get_deal_by_id(self, deal_id) -> Union[Deal, None]:
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return await self.session.get(Deal, deal_id)
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async def _get_rank_for_deal(self, deal_status: DealStatus) -> str:
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deal_query = await self.session.execute(
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select(Deal).where(Deal.current_status == deal_status).order_by(Deal.lexorank.desc()).limit(1))
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deal = deal_query.scalar_one_or_none()
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if not deal:
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prev = lexorank.middle(lexorank.Bucket.BUCEKT_0)
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return str(prev.next())
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return str(lexorank.parse(deal.lexorank).next())
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async def change_status(self, deal: Deal,
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status: DealStatus,
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user: User,
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deadline: datetime.datetime = None,
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rank=None,
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comment: str = ''):
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if not deal.current_status == status:
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deadline = deadline
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status_change = DealStatusHistory(
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deal_id=deal.id,
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user_id=user.id,
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changed_at=datetime.datetime.now(),
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from_status=deal.current_status,
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to_status=status,
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next_status_deadline=deadline,
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comment=comment
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)
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self.session.add(status_change)
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deal.current_status = status
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if not rank:
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rank = await self._get_rank_for_deal(status)
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if rank:
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deal.lexorank = rank
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await self.session.flush()
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async def create(self, request: DealCreateRequest, user: User) -> DealCreateResponse:
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rank = self._get_rank_for_deal(DealStatus.CREATED)
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deal = Deal(
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name=request.name,
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created_at=datetime.datetime.now(),
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current_status=DealStatus.CREATED,
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lexorank=rank
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)
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self.session.add(deal)
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await self.session.flush()
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# Append status history
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await self.change_status(deal, DealStatus.AWAITING_ACCEPTANCE, user)
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await self.session.commit()
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return DealCreateResponse(ok=True)
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async def delete(self, request: DealDeleteRequest) -> DealDeleteResponse:
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deal = await self._get_deal_by_id(request.deal_id)
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if not deal:
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return DealDeleteResponse(ok=False, message="Сделка не найдена")
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deal.is_deleted = True
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await self.session.commit()
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return DealDeleteResponse(ok=True, message="Сделка успешно удалена")
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async def quick_create(self, request: DealQuickCreateRequest, user: User) -> DealQuickCreateResponse:
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client_service = ClientService(self.session)
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client = await client_service.get_by_name(request.client_name)
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if not client:
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client = await client_service.create_client_raw(
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user,
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request.client_name,
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ClientDetailsSchema()
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)
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shipping_warehouse_service = ShippingWarehouseService(self.session)
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shipping_warehouse = await shipping_warehouse_service.get_by_name(name=request.shipping_warehouse)
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if not shipping_warehouse:
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shipping_warehouse = await shipping_warehouse_service.create_by_name(name=request.shipping_warehouse)
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rank = await self._get_rank_for_deal(DealStatus.CREATED)
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deal = Deal(
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name=request.name,
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created_at=datetime.datetime.now(),
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client_id=client.id,
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current_status=DealStatus.CREATED,
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lexorank=rank,
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shipping_warehouse_id=shipping_warehouse.id,
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base_marketplace_key=request.base_marketplace.key
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)
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self.session.add(deal)
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await self.session.flush()
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await self.change_status(deal,
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DealStatus.AWAITING_ACCEPTANCE,
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user,
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deadline=request.acceptance_date,
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comment=request.comment)
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await self.session.commit()
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return DealQuickCreateResponse(deal_id=deal.id)
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async def change_status_manual(self, request: DealChangeStatusRequest, user: User) -> DealChangeStatusResponse:
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# Changing current status
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deal = await self._get_deal_by_id(request.deal_id)
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if not deal:
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return DealChangeStatusResponse(ok=False)
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await self.change_status(deal, DealStatus(request.new_status), user)
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await self.session.commit()
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return DealChangeStatusResponse(ok=True)
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def _get_price_subquery(self):
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deal_services_subquery = (
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select(
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models.secondary.DealService.deal_id,
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func.sum(models.secondary.DealService.quantity * models.secondary.DealService.price).label(
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'total_price')
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)
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.join(Service)
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.group_by(models.secondary.DealService.deal_id)
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)
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product_services_subquery = select(
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select(
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models.secondary.DealProductService.deal_id,
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func.sum(models.DealProduct.quantity * models.secondary.DealProductService.price).label('total_price')
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)
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.join(models.secondary.DealProduct)
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.group_by(models.secondary.DealProductService.deal_id)
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.subquery()
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)
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union_subqueries = deal_services_subquery.union(product_services_subquery).subquery()
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final_subquery = (
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select(
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union_subqueries.c.deal_id,
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func.sum(union_subqueries.c.total_price).label('total_price')
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)
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.group_by(union_subqueries.c.deal_id)
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.subquery()
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)
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return final_subquery
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async def get_summary(self) -> DealSummaryResponse:
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price_subquery = self._get_price_subquery()
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q = (
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select(
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Deal,
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func.coalesce(price_subquery.c.total_price, 0),
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func.row_number().over(
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partition_by=Deal.current_status,
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order_by=Deal.lexorank
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).label('rank')
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)
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.options(
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selectinload(Deal.status_history),
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joinedload(Deal.client)
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)
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.outerjoin(
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price_subquery, Deal.id == price_subquery.c.deal_id)
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.where(
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Deal.is_deleted == False,
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Deal.is_completed == False,
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Deal.current_status != DealStatus.COMPLETED
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)
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)
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deals_query = await self.session.execute(q)
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summaries = []
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for deal, total_price, rank in deals_query.all():
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deal: Deal
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last_status: DealStatusHistory = max(deal.status_history, key=lambda status: status.changed_at)
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deadline = last_status.next_status_deadline
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base_marketplace = None
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if deal.base_marketplace:
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base_marketplace = BaseMarketplaceSchema.model_validate(deal.base_marketplace)
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summaries.append(
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DealSummary(
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id=deal.id,
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client_name=deal.client.name,
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name=deal.name,
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changed_at=last_status.changed_at,
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deadline=deadline,
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status=last_status.to_status,
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total_price=total_price,
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rank=rank,
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base_marketplace=base_marketplace
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)
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)
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return DealSummaryResponse(summaries=summaries)
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async def get_all(self) -> DealGetAllResponse:
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deals_query = await self.session.scalars(select(Deal).options(joinedload(Deal.client)))
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deals = deals_query.all()
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result = []
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for deal in deals:
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result.append(DealSchema.model_validate(deal))
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return DealGetAllResponse(deals=result)
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async def get_by_id(self, deal_id: int) -> DealSchema:
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deal = await self.session.scalar(
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select(Deal)
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.options(
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joinedload(Deal.shipping_warehouse),
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joinedload(Deal.client)
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.joinedload(Client.details),
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selectinload(Deal.services)
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.options(
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joinedload(models.secondary.DealService.service).joinedload(Service.category),
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selectinload(models.secondary.DealService.employees)
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),
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selectinload(Deal.products)
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.joinedload(models.secondary.DealProduct.product)
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.joinedload(models.Product.client),
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selectinload(Deal.products)
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.joinedload(models.secondary.DealProduct.product)
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.joinedload(models.Product.barcodes),
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selectinload(Deal.products)
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.joinedload(models.secondary.DealProduct.services)
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.options(
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joinedload(models.secondary.DealProductService.service),
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selectinload(models.secondary.DealProductService.employees)
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),
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selectinload(Deal.status_history)
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.joinedload(DealStatusHistory.user),
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selectinload(Deal.status_history)
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.noload(DealStatusHistory.deal),
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)
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.where(Deal.id == deal_id)
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)
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if not deal:
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raise HTTPException(status_code=404, detail="Сделка не найдена")
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return DealSchema.model_validate(deal)
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async def update_general_info(self, request: DealUpdateGeneralInfoRequest) -> DealUpdateGeneralInfoResponse:
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try:
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deal: Deal = await self.session.scalar(select(Deal).where(Deal.id == request.deal_id))
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if not deal:
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raise HTTPException(status_code=404, detail="Сделка не найдена")
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deal.name = request.data.name
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deal.comment = request.data.comment
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deal.is_deleted = request.data.is_deleted
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deal.is_completed = request.data.is_completed
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# Updating shipping warehouse
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shipping_warehouse_service = ShippingWarehouseService(self.session)
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shipping_warehouse = await shipping_warehouse_service.get_by_name(request.data.shipping_warehouse)
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if not shipping_warehouse and request.data.shipping_warehouse:
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shipping_warehouse = await shipping_warehouse_service.create_by_name(request.data.shipping_warehouse)
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deal.shipping_warehouse = shipping_warehouse
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await self.session.commit()
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return DealUpdateGeneralInfoResponse(ok=True, message='Данные о сделке успешно обновлены')
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except Exception as e:
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await self.session.rollback()
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return DealUpdateGeneralInfoResponse(ok=False, message=str(e))
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async def reorder(self, request: DealSummaryReorderRequest, user: User) -> DealSummaryResponse:
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deal: Deal = await self.session.scalar(select(Deal).where(Deal.id == request.deal_id))
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if request.index == 1:
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request.index = 0
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is_first = request.index == 0
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stmt = (
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select(Deal)
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.where(
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Deal.current_status == request.status,
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Deal.id != request.deal_id,
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Deal.is_deleted == False,
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Deal.is_completed == False
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)
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.order_by(Deal.lexorank)
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.offset(max([request.index - 2, 0]))
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.limit(2 if not is_first else 1)
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)
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query = await self.session.execute(stmt)
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boundaries = query.scalars().all()
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top_boundary: Union[Deal, None] = boundaries[0] if not is_first else None
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bottom_boundary: Union[Deal, None] = boundaries[1] if len(boundaries) == 2 else None
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# working when between two elements
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if top_boundary and bottom_boundary:
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top_lexorank = lexorank.parse(top_boundary.lexorank)
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bottom_lexorank = lexorank.parse(bottom_boundary.lexorank)
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new_rank = lexorank.between(top_lexorank, bottom_lexorank)
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# working when at the bottom
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elif top_boundary and not bottom_boundary:
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new_rank = lexorank.parse(top_boundary.lexorank).next()
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# working when at the top
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elif bottom_boundary and not top_boundary:
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new_rank = lexorank.parse(bottom_boundary.lexorank).prev()
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elif not top_boundary and not bottom_boundary and len(boundaries) > 0:
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new_rank = lexorank.parse(boundaries[0].lexorank).prev()
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else:
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new_rank = lexorank.middle(lexorank.Bucket.BUCEKT_0)
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await self.change_status(deal, request.status, user,
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deadline=request.deadline,
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comment=request.comment,
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rank=str(new_rank))
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await self.session.commit()
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return await self.get_summary()
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# endregion
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# region Deal services
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async def add_services(self, request: DealAddServicesRequest):
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# TODO refactor
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deal: Deal = await self.session.scalar(
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select(Deal)
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.options(selectinload(Deal.services))
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.where(Deal.id == request.deal_id)
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)
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if not deal:
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raise HTTPException(status_code=404, detail="Deal is not found")
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services_ids = [service.id for service in request.services]
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existing_service_ids = {service.service_id for service in deal.services}
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request_services_dict = {service.id: service.quantity for service in request.services}
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services_query = await self.session.scalars(select(Service).where(Service.id.in_(services_ids)))
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services = services_query.all()
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if len(services) != len(services_ids):
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raise HTTPException(status_code=404, detail="Some of services is not found")
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# Adding quantity
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for deal_service in deal.services:
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deal_service: models.secondary.DealService
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if deal_service.service_id not in services_ids:
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continue
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deal_service.quantity += request_services_dict[deal_service.service_id]
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# Adding new services
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for service in services:
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if service.id in existing_service_ids:
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continue
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quantity = request_services_dict[service.id]
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deal.services.append(
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models.secondary.DealService(
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service_id=service.id,
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deal_id=deal.id,
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quantity=quantity
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)
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)
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await self.session.commit()
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return DealAddServicesResponse(ok=True, message='Услуги успешно добавлены')
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async def update_service_quantity(self,
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request: DealUpdateServiceQuantityRequest) -> DealUpdateServiceQuantityResponse:
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try:
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deal_service = await self.session.scalar(
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select(models.secondary.DealService)
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.where(models.secondary.DealService.deal_id == request.deal_id,
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models.secondary.DealService.service_id == request.service_id)
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)
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if not deal_service:
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raise HTTPException(status_code=404, detail="Сделка не найдена")
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deal_service.quantity = request.quantity
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await self.session.commit()
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return DealUpdateServiceQuantityResponse(ok=True, message='Количество успешно обновлено')
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except Exception as e:
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await self.session.rollback()
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return DealUpdateServiceQuantityResponse(ok=False, message=str(e))
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async def add_service(self, request: DealAddServiceRequest) -> DealAddServiceResponse:
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try:
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deal = await self.session.scalar(select(Deal).where(Deal.id == request.deal_id))
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if not deal:
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raise HTTPException(status_code=404, detail="Сделка не найдена")
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service: models.Service = await self.session.scalar(select(Service).where(Service.id == request.service_id))
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if not service:
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raise HTTPException(status_code=404, detail="Услуга не найдена")
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# Preventing duplicates
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deal_service = await self.session.scalar(
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select(models.secondary.DealService)
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.where(models.secondary.DealService.deal_id == request.deal_id,
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models.secondary.DealService.service_id == request.service_id)
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)
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if deal_service:
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raise HTTPException(status_code=400, detail="Услуга уже добавлена")
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deal_service = models.secondary.DealService(
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deal_id=request.deal_id,
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service_id=request.service_id,
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quantity=request.quantity,
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price=request.price
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)
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self.session.add(deal_service)
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await self.session.commit()
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return DealAddServiceResponse(ok=True, message='Услуга успешно добавлена')
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except Exception as e:
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await self.session.rollback()
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return DealAddServiceResponse(ok=False, message=str(e))
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async def delete_service(self, request: DealDeleteServiceRequest) -> DealDeleteServiceResponse:
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try:
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deal_service = await self.session.scalar(
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select(models.secondary.DealService)
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.where(models.secondary.DealService.deal_id == request.deal_id,
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models.secondary.DealService.service_id == request.service_id)
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)
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if not deal_service:
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raise HTTPException(status_code=404, detail="Сделка не найдена")
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await self.session.delete(deal_service)
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await self.session.commit()
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return DealDeleteServiceResponse(ok=True, message='Услуга успешно удалена')
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except Exception as e:
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await self.session.rollback()
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return DealDeleteServiceResponse(ok=False, message=str(e))
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async def delete_services(self, request: DealDeleteServicesRequest) -> DealDeleteServicesResponse:
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try:
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deal_services = await self.session.scalars(
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select(models.secondary.DealService)
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.where(models.secondary.DealService.deal_id == request.deal_id,
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models.secondary.DealService.service_id.in_(request.service_ids))
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)
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for deal_service in deal_services:
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await self.session.delete(deal_service)
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await self.session.commit()
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return DealDeleteServicesResponse(ok=True, message='Услуги успешно удалены')
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except Exception as e:
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await self.session.rollback()
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return DealDeleteServicesResponse(ok=False, message=str(e))
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async def update_service(self, request: DealUpdateServiceRequest) -> DealUpdateServiceResponse:
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try:
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deal_service = await self.session.scalar(
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select(models.secondary.DealService)
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.where(models.secondary.DealService.deal_id == request.deal_id,
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models.secondary.DealService.service_id == request.service.service.id)
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)
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if not deal_service:
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raise HTTPException(status_code=404, detail="Сделка не найдена")
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service_dict = request.service.dict()
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del service_dict['service']
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del service_dict['employees']
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service_dict['service_id'] = request.service.service.id
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await self.session.execute(
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update(models.secondary.DealService)
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.where(models.secondary.DealService.deal_id == request.deal_id,
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models.secondary.DealService.service_id == request.service.service.id)
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.values(**service_dict)
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)
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# Updating deleting previous employees
|
||
delete_stmt = (
|
||
delete(
|
||
models.deal_service_employees
|
||
)
|
||
.where(
|
||
models.deal_service_employees.c.deal_id == request.deal_id,
|
||
models.deal_service_employees.c.service_id == request.service.service.id,
|
||
)
|
||
)
|
||
await self.session.execute(delete_stmt)
|
||
await self.session.flush()
|
||
insert_data = []
|
||
for employee in request.service.employees:
|
||
insert_data.append({
|
||
'deal_id': request.deal_id,
|
||
'service_id': request.service.service.id,
|
||
'user_id': employee.id
|
||
})
|
||
if insert_data:
|
||
await self.session.execute(
|
||
insert(models.deal_service_employees),
|
||
insert_data
|
||
)
|
||
await self.session.flush()
|
||
|
||
await self.session.commit()
|
||
return DealUpdateServiceQuantityResponse(ok=True, message='Услуга успешно обновлена')
|
||
except Exception as e:
|
||
await self.session.rollback()
|
||
return DealUpdateServiceQuantityResponse(ok=False, message=str(e))
|
||
|
||
# endregion
|
||
|
||
# region Deal products
|
||
async def update_product_quantity(self,
|
||
request: DealUpdateProductQuantityRequest) -> DealUpdateProductQuantityResponse:
|
||
try:
|
||
# check if there is no deal or no product with different exceptions
|
||
deal_product = await self.session.scalar(
|
||
select(models.secondary.DealProduct)
|
||
.where(models.secondary.DealProduct.deal_id == request.deal_id,
|
||
models.secondary.DealProduct.product_id == request.product_id)
|
||
)
|
||
if not deal_product:
|
||
raise HTTPException(status_code=404, detail="Сделка или товар не найдена")
|
||
deal_product.quantity = request.quantity
|
||
await self.session.commit()
|
||
return DealUpdateProductQuantityResponse(ok=True, message='Количество успешно обновлено')
|
||
except Exception as e:
|
||
await self.session.rollback()
|
||
return DealUpdateProductQuantityResponse(ok=False, message=str(e))
|
||
|
||
async def add_product(self, request: DealAddProductRequest) -> DealAddProductResponse:
|
||
try:
|
||
deal = await self.session.scalar(select(Deal).where(Deal.id == request.deal_id))
|
||
if not deal:
|
||
raise HTTPException(status_code=404, detail="Сделка не найдена")
|
||
product = await self.session.scalar(
|
||
select(models.Product).where(models.Product.id == request.product.product.id))
|
||
if not product:
|
||
raise HTTPException(status_code=404, detail="Товар не найден")
|
||
# Preventing duplicates
|
||
deal_product = await self.session.scalar(
|
||
select(models.secondary.DealProduct)
|
||
.where(models.secondary.DealProduct.deal_id == request.deal_id,
|
||
models.secondary.DealProduct.product_id == request.product.product.id)
|
||
)
|
||
if deal_product:
|
||
raise HTTPException(status_code=400, detail="Товар уже добавлен")
|
||
deal_product = models.secondary.DealProduct(
|
||
deal_id=request.deal_id,
|
||
product_id=request.product.product.id,
|
||
quantity=request.product.quantity
|
||
)
|
||
self.session.add(deal_product)
|
||
await self.session.flush()
|
||
for service in request.product.services:
|
||
deal_product_service = models.secondary.DealProductService(
|
||
deal_id=request.deal_id,
|
||
product_id=request.product.product.id,
|
||
service_id=service.service.id,
|
||
price=service.price
|
||
)
|
||
self.session.add(deal_product_service)
|
||
await self.session.commit()
|
||
return DealAddProductResponse(ok=True, message='Товар успешно добавлен')
|
||
except Exception as e:
|
||
await self.session.rollback()
|
||
return DealAddProductResponse(ok=False, message=str(e))
|
||
|
||
async def delete_product(self, request: DealDeleteProductRequest) -> DealDeleteProductResponse:
|
||
try:
|
||
deal_product = await self.session.scalar(
|
||
select(models.secondary.DealProduct)
|
||
.where(models.secondary.DealProduct.deal_id == request.deal_id,
|
||
models.secondary.DealProduct.product_id == request.product_id)
|
||
)
|
||
if not deal_product:
|
||
raise HTTPException(status_code=404, detail="Сделка не найдена")
|
||
await self.session.delete(deal_product)
|
||
await self.session.commit()
|
||
return DealDeleteProductResponse(ok=True, message='Товар успешно удален')
|
||
except Exception as e:
|
||
await self.session.rollback()
|
||
return DealDeleteProductResponse(ok=False, message=str(e))
|
||
|
||
async def delete_products(self, request: DealDeleteProductsRequest) -> DealDeleteProductsResponse:
|
||
try:
|
||
deal_products = await self.session.scalars(
|
||
select(models.secondary.DealProduct)
|
||
.where(models.secondary.DealProduct.deal_id == request.deal_id,
|
||
models.secondary.DealProduct.product_id.in_(request.product_ids))
|
||
)
|
||
for deal_product in deal_products:
|
||
await self.session.delete(deal_product)
|
||
await self.session.commit()
|
||
return DealDeleteProductsResponse(ok=True, message='Товары успешно удалены')
|
||
except Exception as e:
|
||
await self.session.rollback()
|
||
return DealDeleteProductsResponse(ok=False, message=str(e))
|
||
|
||
async def update_product(self, request: DealUpdateProductRequest):
|
||
try:
|
||
deal_product: models.DealProduct = await self.session.scalar(
|
||
select(models.secondary.DealProduct)
|
||
.where(models.secondary.DealProduct.deal_id == request.deal_id,
|
||
models.secondary.DealProduct.product_id == request.product.product.id)
|
||
)
|
||
if not deal_product:
|
||
raise HTTPException(status_code=404, detail="Указанный товар не найден")
|
||
# getting new services and deleted
|
||
database_services = set([service.service_id for service in deal_product.services])
|
||
request_services = set([service.service.id for service in request.product.services])
|
||
|
||
new_services = request_services.difference(database_services)
|
||
deleted_services = database_services.difference(request_services)
|
||
services_dict = {service.service.id: service for service in request.product.services}
|
||
|
||
# Deleting and updating existing services
|
||
for service in deal_product.services:
|
||
service: models.DealProductService
|
||
if service.service_id in deleted_services:
|
||
await self.session.delete(service)
|
||
await self.session.flush()
|
||
continue
|
||
request_service = services_dict[service.service_id]
|
||
service.price = request_service.price
|
||
await self.session.flush()
|
||
|
||
# Creating services
|
||
for service in request.product.services:
|
||
if service.service.id not in new_services:
|
||
continue
|
||
deal_product_service = models.DealProductService(
|
||
deal_id=request.deal_id,
|
||
product_id=request.product.product.id,
|
||
service_id=service.service.id,
|
||
price=service.price
|
||
)
|
||
self.session.add(deal_product_service)
|
||
await self.session.flush()
|
||
|
||
# Updating product
|
||
deal_product.quantity = request.product.quantity
|
||
|
||
# Updating deleting old employees
|
||
delete_stmt = (
|
||
delete(
|
||
models.deal_product_service_employees
|
||
)
|
||
.where(
|
||
models.deal_product_service_employees.c.deal_id == request.deal_id,
|
||
models.deal_product_service_employees.c.service_id.in_(request_services.union(database_services)),
|
||
models.deal_product_service_employees.c.product_id == request.product.product.id
|
||
)
|
||
)
|
||
await self.session.execute(delete_stmt)
|
||
await self.session.flush()
|
||
|
||
insert_data = []
|
||
for service in request.product.services:
|
||
service: DealProductServiceSchema
|
||
for employee in service.employees:
|
||
insert_data.append({
|
||
'deal_id': request.deal_id,
|
||
'service_id': service.service.id,
|
||
'product_id': request.product.product.id,
|
||
'user_id': employee.id
|
||
})
|
||
if insert_data:
|
||
await self.session.execute(insert(models.deal_product_service_employees),
|
||
insert_data)
|
||
await self.session.flush()
|
||
|
||
await self.session.commit()
|
||
return DealUpdateProductResponse(ok=True, message='Товар успешно обновлен')
|
||
|
||
except Exception as e:
|
||
await self.session.rollback()
|
||
return DealUpdateProductResponse(ok=False, message=str(e))
|
||
|
||
# endregion
|