54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
import uuid
|
|
|
|
from typing import TYPE_CHECKING
|
|
|
|
from sqlalchemy import ForeignKey, Integer, UniqueConstraint, text
|
|
from sqlalchemy.dialects.postgresql import UUID
|
|
from sqlalchemy.orm import Mapped, mapped_column, relationship
|
|
|
|
from ..db.base_class import reg
|
|
|
|
|
|
if TYPE_CHECKING:
|
|
from .printer import Printer
|
|
from .sale_category import SaleCategory
|
|
from .section import Section
|
|
|
|
|
|
@reg.mapped_as_dataclass(unsafe_hash=True)
|
|
class SectionPrinter:
|
|
__tablename__ = "section_printers"
|
|
__table_args__ = (UniqueConstraint("sale_category_id", "section_id"),)
|
|
|
|
id: Mapped[uuid.UUID] = mapped_column(
|
|
"id", UUID(as_uuid=True), primary_key=True, server_default=text("gen_random_uuid()"), insert_default=uuid.uuid4
|
|
)
|
|
sale_category_id: Mapped[uuid.UUID] = mapped_column(
|
|
"sale_category_id", UUID(as_uuid=True), ForeignKey("sale_categories.id"), nullable=True
|
|
)
|
|
section_id: Mapped[uuid.UUID] = mapped_column(
|
|
"section_id", UUID(as_uuid=True), ForeignKey("sections.id"), nullable=False
|
|
)
|
|
printer_id: Mapped[uuid.UUID] = mapped_column(
|
|
"printer_id", UUID(as_uuid=True), ForeignKey("printers.id"), nullable=False
|
|
)
|
|
copies: Mapped[int] = mapped_column("copies", Integer, nullable=False)
|
|
|
|
sale_category: Mapped["SaleCategory"] = relationship("SaleCategory", backref="section_printers")
|
|
section: Mapped["Section"] = relationship("Section", backref="section_printers")
|
|
printer: Mapped["Printer"] = relationship("Printer", backref="section_printers")
|
|
|
|
def __init__(
|
|
self,
|
|
sale_category_id=None,
|
|
section_id=None,
|
|
printer_id=None,
|
|
copies=None,
|
|
id_=None,
|
|
):
|
|
self.id = id_
|
|
self.sale_category_id = sale_category_id
|
|
self.section_id = section_id
|
|
self.printer_id = printer_id
|
|
self.copies = copies
|