Files
amap/backend/src/products/service.py

126 lines
3.8 KiB
Python

from sqlmodel import Session, select
from src import messages, models
from src.products import exceptions
def get_all(
session: Session,
user: models.User,
names: list[str],
productors: list[str],
types: list[str],
) -> list[models.ProductPublic]:
statement = select(
models.Product) .join(
models.Productor,
models.Product.productor_id == models.Productor.id) .where(
models.Productor.type.in_(
[
r.name for r in user.roles])) .distinct()
if len(names) > 0:
statement = statement.where(models.Product.name.in_(names))
if len(productors) > 0:
statement = statement.where(models.Productor.name.in_(productors))
if len(types) > 0:
statement = statement.where(models.Product.type.in_(types))
return session.exec(statement.order_by(models.Product.name)).all()
def get_one(
session: Session,
product_id: int,
) -> models.ProductPublic:
return session.get(models.Product, product_id)
def create_one(
session: Session,
product: models.ProductCreate,
) -> models.ProductPublic:
if not product:
raise exceptions.ProductCreateError(
messages.Messages.invalid_input(
'product', 'input cannot be None'))
if not session.get(models.Productor, product.productor_id):
raise exceptions.ProductorNotFoundError(
messages.Messages.not_found('productor'))
product_create = product.model_dump(exclude_unset=True)
new_product = models.Product(**product_create)
session.add(new_product)
session.commit()
session.refresh(new_product)
return new_product
def update_one(
session: Session,
_id: int,
product: models.ProductUpdate
) -> models.ProductPublic:
statement = select(models.Product).where(models.Product.id == _id)
result = session.exec(statement)
new_product = result.first()
if not new_product:
raise exceptions.ProductNotFoundError(
messages.Messages.not_found('product'))
if product.productor_id and not session.get(
models.Productor, product.productor_id):
raise exceptions.ProductorNotFoundError(
messages.Messages.not_found('productor'))
product_updates = product.model_dump(exclude_unset=True)
for key, value in product_updates.items():
setattr(new_product, key, value)
session.add(new_product)
session.commit()
session.refresh(new_product)
return new_product
def delete_one(
session: Session,
_id: int
) -> models.ProductPublic:
statement = select(models.Product).where(models.Product.id == _id)
result = session.exec(statement)
product = result.first()
if not product:
raise exceptions.ProductNotFoundError(
messages.Messages.not_found('product'))
result = models.ProductPublic.model_validate(product)
session.delete(product)
session.commit()
return result
def is_allowed(
session: Session,
user: models.User,
_id: int = None,
product: models.ProductCreate = None,
) -> bool:
if not _id and not product:
return False
if not _id:
statement = (
select(models.Product)
.join(
models.Productor,
models.Product.productor_id == models.Productor.id
)
.where(models.Product.id == product.productor_id)
)
productor = session.exec(statement).first()
return productor.type in [r.name for r in user.roles]
statement = (
select(models.Product)
.join(
models.Productor,
models.Product.productor_id == models.Productor.id
)
.where(models.Product.id == _id)
.where(models.Productor.type.in_([r.name for r in user.roles]))
.distinct()
)
return len(session.exec(statement).all()) > 0