101 lines
4.0 KiB
Python
101 lines
4.0 KiB
Python
import datetime
|
|
from typing import Type, Union
|
|
|
|
from sqlalchemy import select
|
|
from sqlalchemy.orm import joinedload, selectinload
|
|
|
|
from models import User, Deal
|
|
from models.deal import *
|
|
from schemas.client import ClientDetailsSchema
|
|
from schemas.deal import *
|
|
from services.base import BaseService
|
|
from services.client import ClientService
|
|
|
|
|
|
class DealService(BaseService):
|
|
|
|
async def _get_deal_by_id(self, deal_id) -> Union[Deal, None]:
|
|
return await self.session.get(Deal, deal_id)
|
|
|
|
async def change_status(self, deal: Deal,
|
|
status: DealStatus,
|
|
user: User,
|
|
deadline: datetime.datetime = None) -> DealStatusHistory:
|
|
deadline = deadline
|
|
status_change = DealStatusHistory(
|
|
deal_id=deal.id,
|
|
user_id=user.id,
|
|
changed_at=datetime.datetime.now(),
|
|
from_status=deal.current_status,
|
|
to_status=status,
|
|
next_status_deadline=deadline
|
|
)
|
|
self.session.add(status_change)
|
|
await self.session.flush()
|
|
return status_change
|
|
|
|
async def create(self, request: DealCreateRequest, user: User) -> DealCreateResponse:
|
|
deal = Deal(
|
|
name=request.name,
|
|
created_at=datetime.datetime.now(),
|
|
current_status=DealStatus.CREATED
|
|
)
|
|
self.session.add(deal)
|
|
await self.session.flush()
|
|
|
|
# Append status history
|
|
await self.change_status(deal, DealStatus.AWAITING_ACCEPTANCE, user)
|
|
|
|
await self.session.commit()
|
|
return DealCreateResponse(ok=True)
|
|
|
|
async def quick_create(self, request: DealQuickCreateRequest, user: User) -> DealQuickCreateResponse:
|
|
client_service = ClientService(self.session)
|
|
client = await client_service.get_by_name(request.client_name)
|
|
if not client:
|
|
client = await client_service.create_client_raw(
|
|
user,
|
|
request.client_name,
|
|
ClientDetailsSchema(address=request.client_address))
|
|
await client_service.update_details(user, client, ClientDetailsSchema(address=request.client_address))
|
|
deal = Deal(
|
|
name=request.name,
|
|
created_at=datetime.datetime.now(),
|
|
client_id=client.id,
|
|
current_status=DealStatus.CREATED
|
|
)
|
|
self.session.add(deal)
|
|
await self.session.flush()
|
|
await self.change_status(deal, DealStatus.AWAITING_ACCEPTANCE, user, deadline=request.acceptance_date)
|
|
await self.session.commit()
|
|
return DealQuickCreateResponse(deal_id=deal.id)
|
|
|
|
async def change_status_manual(self, request: DealChangeStatusRequest, user: User) -> DealChangeStatusResponse:
|
|
# Changing current status
|
|
deal = await self._get_deal_by_id(request.deal_id)
|
|
if not deal:
|
|
return DealChangeStatusResponse(ok=False)
|
|
await self.change_status(deal, DealStatus(request.new_status), user)
|
|
await self.session.commit()
|
|
return DealChangeStatusResponse(ok=True)
|
|
|
|
async def get_summary(self) -> DealSummaryResponse:
|
|
deals_query = await self.session.scalars(select(Deal)
|
|
.options(selectinload(Deal.status_history),
|
|
joinedload(Deal.client))
|
|
.where(Deal.is_deleted == False,
|
|
Deal.is_completed == False))
|
|
summaries = []
|
|
for deal in deals_query.all():
|
|
deal: Deal
|
|
last_status: DealStatusHistory = max(deal.status_history, key=lambda status: status.changed_at)
|
|
summaries.append(
|
|
DealSummary(
|
|
id=deal.id,
|
|
client_name=deal.client.name,
|
|
name=deal.name,
|
|
changed_at=last_status.changed_at,
|
|
status=last_status.to_status
|
|
)
|
|
)
|
|
return DealSummaryResponse(summaries=summaries) |