116 lines
4.0 KiB
Python
116 lines
4.0 KiB
Python
from sqlalchemy.orm import Session
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from sqlalchemy import desc, and_, func, case
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from fastapi.encoders import jsonable_encoder
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from app.model.bussiness_model import ProjectInfo, ProjectImage, ProjectImgLeafer
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from app.model.schemas.project_info_schemas import ProjectInfoOut, ProjectInfoPager, ProjectInfoPagerOut
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from app.db.page_util import get_pager
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def get_project_pager(info: ProjectInfoPager, session: Session):
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"""分页查询项目信息"""
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query = session.query(ProjectInfo).order_by(desc(ProjectInfo.id))
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filters = [ProjectInfo.del_flag == 0]
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if info.project_name is not None and info.project_name != '':
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filters.append(ProjectInfo.project_name.ilike(f"%{info.project_name}%"))
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if len(filters) > 0:
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query = query.filter(and_(*filters))
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pager = get_pager(query, info.pagerNum, info.pagerSize)
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pager.data = [ProjectInfoOut.from_orm(info).dict() for info in pager.data]
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return pager
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def get_project_pager2(info: ProjectInfoPager, session: Session):
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# 1. 定义子查询
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subquery = (
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session.query(
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ProjectImage.project_id,
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func.sum(case((ProjectImgLeafer.id.is_(None), 1), else_=0)).label('no_mark_count'),
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func.sum(case((ProjectImgLeafer.id.isnot(None), 1), else_=0)).label('mark_count')
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)
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.outerjoin(ProjectImgLeafer, ProjectImage.id == ProjectImgLeafer.image_id)
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.group_by(ProjectImage.project_id)
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.subquery()
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)
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# 2. 主查询
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query = (
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session.query(
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ProjectInfo,
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func.ifnull(subquery.c.mark_count, 0).label('mark_count'),
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func.ifnull(subquery.c.no_mark_count, 0).label('no_mark_count')
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)
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.outerjoin(subquery, ProjectInfo.id == subquery.c.project_id)
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)
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query = query.order_by(desc(ProjectInfo.id))
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filters = [ProjectInfo.del_flag == 0]
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if info.project_name is not None and info.project_name != '':
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filters.append(ProjectInfo.project_name.ilike(f"%{info.project_name}%"))
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query = query.filter(and_(*filters))
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pager = get_pager(query, info.pagerNum, info.pagerSize)
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datas = []
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for result in pager.data:
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data = ProjectInfoPagerOut.from_orm(result[0])
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data.mark_count = result[1]
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data.no_mark_count = result[2]
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datas.append(data)
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pager.data = jsonable_encoder(datas)
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return pager
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def get_project_by_id(project_id: str, session: Session):
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info = session.query(ProjectInfo).filter_by(id=project_id).filter_by(del_flag=0).first()
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info_out = ProjectInfoOut.from_orm(info)
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return info_out
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def add_project(info: ProjectInfo, session: Session):
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"""新建项目,并在对应文件夹下面创建文件夹"""
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info.del_flag = 0
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session.add(info)
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session.commit()
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return info
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def check_project_name(project_name: str, session: Session):
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"""检验是否存在重名的项目名称"""
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count = session.query(ProjectInfo).filter(ProjectInfo.project_name == project_name)\
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.filter(ProjectInfo.del_flag==0).count()
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if count > 0:
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return True
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else:
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return False
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def update_project_status(project_id: int, project_status: str, session: Session):
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"""
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更新项目训练状态,如果是已完成的话，train_version自动+1
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:param project_id:
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:param project_status: 0-未运行，1-运行中，2-已完成,-1-执行失败
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:param session:
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:return:
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"""
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if project_status == '2':
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session.query(ProjectInfo).filter_by(id=project_id).update({
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'project_status': project_status,
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'train_version': ProjectInfo.train_version + 1
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})
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else:
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session.query(ProjectInfo).filter_by(id=project_id).update({
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'project_status': project_status
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})
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session.commit()
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def del_project(project_id: int, session: Session):
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"""
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删除项目
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:param project_id:
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:param session:
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:return:
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"""
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session.query(ProjectInfo).filter_by(id=project_id).update({
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'del_flag': 1
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})
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session.commit()
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