urban-investment-research/Mods/EditRecord/Crud.py

from sqlalchemy.orm import Session
from .Schemas import EditItemTypeQuery, EditItemTypeAddInfo
from .Models import EditRecord, EditItemType


def edit_item_type_add(db: Session, data: EditItemTypeAddInfo):
    item = EditItemType(**data.dict())
    db.add(item)
    db.commit()
    db.refresh(item)
    return item


def edit_item_type_delete(db: Session, item_id: int):
    db.query(EditItemType).filter_by(id=item_id).delete()
    db.commit()


def edit_item_type_query(db: Session, params: EditItemTypeQuery):
    params_dict = params.dict()
    query = db.query(EditItemType)
    db_model = EditItemType
    for key, value in params_dict.items():
        if key not in ['page', 'page_size'] and value is not None:
            if type(value) == str:
                query = query.filter(getattr(db_model, key).like(f'%{value}%'))
            elif type(value) in [int, float, bool]:
                query = query.filter_by(**{key: value})
            else:
                query = query.filter(getattr(db_model, key) == value)
    count = query.count()
    page = None
    page_size = None
    if 'page' in params_dict:
        page = params_dict['page']
    if 'page_size' in params_dict:
        page_size = params_dict['page_size']
    if page is not None and page_size is not None:
        query = query.offset((page - 1) * page_size).limit(page_size).all()
    return count, query