users and status working

app/alchemy/printer.py

@@ -0,0 +1,72 @@
+from sqlalchemy import String, Text, ForeignKey, UniqueConstraint
+from sqlalchemy.orm import Mapped, mapped_column, declared_attr
+
+from .base import Base, bidirectional_relationship
+from .contact import ContactForeignKey
+from .location import LocationForeignKey
+from .status import StatusForeignKey
+from .user import Versioned
+
+
+class PrinterManufacturer(StatusForeignKey, Versioned, Base):
+    """Printer Manufacturer"""
+
+    code: Mapped[str] = mapped_column(String(10), unique=True)
+    description: Mapped[str] = mapped_column(String(256))
+    notes: Mapped[str | None] = mapped_column(Text)
+
+
+class PrinterManufacturerForeignKey:
+    """Foreign Key Mixin for :py:class:`PrinterManufacturer`"""
+
+    printer_manufacturer_id: Mapped[str] = mapped_column(ForeignKey("printer_manufacturer.id"))
+
+    # noinspection PyMethodParameters
+    @declared_attr
+    def printer_manufacturer(cls) -> Mapped["PrinterManufacturer"]:
+        return bidirectional_relationship(cls, PrinterManufacturer)
+
+
+class PrinterModel(PrinterManufacturerForeignKey, StatusForeignKey, Versioned, Base):
+    """Printer Model"""
+
+    code: Mapped[str] = mapped_column(String(20), unique=True)
+    description: Mapped[str] = mapped_column(String(256))
+    notes: Mapped[str | None] = mapped_column(Text)
+
+    __table_args__ = (
+        UniqueConstraint('printer_manufacturer_id', code),
+    )
+
+
+class PrinterModelForeignKey:
+    """Foreign Key Mixin for :py:class:`PrinterModel`"""
+
+    printer_model_id: Mapped[str] = mapped_column(ForeignKey("printer_model.id"))
+
+    # noinspection PyMethodParameters
+    @declared_attr
+    def printer_model(cls) -> Mapped["PrinterModel"]:
+        return bidirectional_relationship(cls, PrinterModel)
+
+
+class Printer(PrinterModelForeignKey, LocationForeignKey, ContactForeignKey, StatusForeignKey, Versioned, Base):
+    """Printer"""
+
+    name: Mapped[str] = mapped_column(String(63), unique=True)
+    description: Mapped[str] = mapped_column(String(256))
+    notes: Mapped[str | None] = mapped_column(Text)
+    dns_name: Mapped[str | None] = mapped_column(String(253))
+    port: Mapped[int | None]
+    location_detail: Mapped[str] = mapped_column(String(64), default='')
+
+
+class PrinterForeignKey:
+    """Foreign Key Mixin for :py:class:`Printer`"""
+
+    printer_id: Mapped[int] = mapped_column(ForeignKey("printer.id"))
+
+    # noinspection PyMethodParameters
+    @declared_attr
+    def printer(cls) -> Mapped["Printer"]:
+        return bidirectional_relationship(cls, Printer)