Files
Fulfillment-Backend/services/project.py

84 lines
2.9 KiB
Python

from datetime import datetime
from sqlalchemy import select, update, func, delete
from sqlalchemy.orm import selectinload
from models import Project, Board
from schemas.project import *
from services.base import BaseService
class ProjectService(BaseService):
async def get_projects(self) -> GetProjectsResponse:
board_count_sub = (
select(
Board.project_id,
func.count(Board.id).label('boards_count'),
)
.group_by(Board.project_id)
.subquery()
)
stmt = (
select(
Project,
func.coalesce(board_count_sub.c.boards_count, 0),
)
.outerjoin(board_count_sub, Project.id == board_count_sub.c.project_id)
.options(
selectinload(Project.attributes),
selectinload(Project.modules),
)
)
project_data = (await self.session.execute(stmt)).all()
projects = []
for project, boards_count in project_data:
project_schema = FullProjectSchema(
id=project.id,
name=project.name,
boards_count=boards_count,
attributes=project.attributes,
modules=project.modules,
)
projects.append(project_schema)
return GetProjectsResponse(projects=projects)
async def create_project(self, request: CreateProjectRequest) -> CreateProjectResponse:
project = Project(
name=request.project.name,
created_at=datetime.now(),
)
self.session.add(project)
await self.session.commit()
return UpdateProjectResponse(ok=True, message="Проект успешно создан")
async def update_project(self, request: UpdateProjectRequest) -> UpdateProjectResponse:
stmt = (
update(Project)
.where(Project.id == request.project.id)
.values(name=request.project.name)
)
await self.session.execute(stmt)
await self.session.commit()
return UpdateProjectResponse(ok=True, message="Проект успешно изменен")
async def delete_project(self, project_id: int) -> DeleteProjectResponse:
stmt_boards = select(Board).where(Board.project_id == project_id)
boards = (await self.session.scalars(stmt_boards)).all()
if len(boards) == 0:
stmt = (
delete(Project)
.where(Project.id == project_id)
)
else:
stmt = (
update(Project)
.where(Project.id == project_id)
.values(is_deleted=True)
)
await self.session.execute(stmt)
await self.session.commit()
return DeleteProjectResponse(ok=True, message="Проект успешно удален")