112 lines
4.5 KiB
Python
112 lines
4.5 KiB
Python
"""SQLAlchemy data models."""
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from datetime import datetime
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from typing import Optional
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from sqlalchemy import ForeignKey, Integer, String, Text
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from sqlalchemy.ext.asyncio import AsyncAttrs
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from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column, relationship
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class Base(AsyncAttrs, DeclarativeBase):
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pass
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class Vendor(Base):
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__tablename__ = "vendor"
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id: Mapped[int] = mapped_column(Integer, primary_key=True, index=True)
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registered: Mapped[datetime] = mapped_column()
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name: Mapped[str] = mapped_column(String(64))
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comment: Mapped[Optional[str]] = mapped_column(String(1024))
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filaments: Mapped[list["Filament"]] = relationship(back_populates="vendor")
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extra: Mapped[list["VendorField"]] = relationship(
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back_populates="vendor",
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cascade="save-update, merge, delete, delete-orphan",
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lazy="joined",
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)
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class Filament(Base):
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__tablename__ = "filament"
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id: Mapped[int] = mapped_column(primary_key=True, index=True)
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registered: Mapped[datetime] = mapped_column()
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name: Mapped[Optional[str]] = mapped_column(String(64))
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vendor_id: Mapped[Optional[int]] = mapped_column(ForeignKey("vendor.id"))
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vendor: Mapped[Optional["Vendor"]] = relationship(back_populates="filaments")
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spools: Mapped[list["Spool"]] = relationship(back_populates="filament")
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material: Mapped[Optional[str]] = mapped_column(String(64))
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price: Mapped[Optional[float]] = mapped_column()
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density: Mapped[float] = mapped_column()
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diameter: Mapped[float] = mapped_column()
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weight: Mapped[Optional[float]] = mapped_column(comment="The filament weight of a full spool (net weight).")
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spool_weight: Mapped[Optional[float]] = mapped_column(comment="The weight of an empty spool.")
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article_number: Mapped[Optional[str]] = mapped_column(String(64))
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comment: Mapped[Optional[str]] = mapped_column(String(1024))
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settings_extruder_temp: Mapped[Optional[int]] = mapped_column(comment="Overridden extruder temperature.")
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settings_bed_temp: Mapped[Optional[int]] = mapped_column(comment="Overridden bed temperature.")
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color_hex: Mapped[Optional[str]] = mapped_column(String(8))
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extra: Mapped[list["FilamentField"]] = relationship(
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back_populates="filament",
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cascade="save-update, merge, delete, delete-orphan",
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lazy="joined",
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)
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class Spool(Base):
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__tablename__ = "spool"
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id: Mapped[int] = mapped_column(primary_key=True, index=True)
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registered: Mapped[datetime] = mapped_column()
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first_used: Mapped[Optional[datetime]] = mapped_column()
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last_used: Mapped[Optional[datetime]] = mapped_column()
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price: Mapped[Optional[float]] = mapped_column()
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filament_id: Mapped[int] = mapped_column(ForeignKey("filament.id"))
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filament: Mapped["Filament"] = relationship(back_populates="spools")
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used_weight: Mapped[float] = mapped_column()
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location: Mapped[Optional[str]] = mapped_column(String(64))
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lot_nr: Mapped[Optional[str]] = mapped_column(String(64))
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comment: Mapped[Optional[str]] = mapped_column(String(1024))
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archived: Mapped[Optional[bool]] = mapped_column()
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extra: Mapped[list["SpoolField"]] = relationship(
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back_populates="spool",
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cascade="save-update, merge, delete, delete-orphan",
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lazy="joined",
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)
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class Setting(Base):
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__tablename__ = "setting"
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key: Mapped[str] = mapped_column(String(64), primary_key=True, index=True)
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value: Mapped[str] = mapped_column(Text())
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last_updated: Mapped[datetime] = mapped_column()
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class VendorField(Base):
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__tablename__ = "vendor_field"
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vendor_id: Mapped[int] = mapped_column(ForeignKey("vendor.id"), primary_key=True, index=True)
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vendor: Mapped["Vendor"] = relationship(back_populates="extra")
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key: Mapped[str] = mapped_column(String(64), primary_key=True, index=True)
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value: Mapped[str] = mapped_column(Text())
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class FilamentField(Base):
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__tablename__ = "filament_field"
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filament_id: Mapped[int] = mapped_column(ForeignKey("filament.id"), primary_key=True, index=True)
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filament: Mapped["Filament"] = relationship(back_populates="extra")
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key: Mapped[str] = mapped_column(String(64), primary_key=True, index=True)
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value: Mapped[str] = mapped_column(Text())
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class SpoolField(Base):
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__tablename__ = "spool_field"
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spool_id: Mapped[int] = mapped_column(ForeignKey("spool.id"), primary_key=True, index=True)
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spool: Mapped["Spool"] = relationship(back_populates="extra")
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key: Mapped[str] = mapped_column(String(64), primary_key=True, index=True)
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value: Mapped[str] = mapped_column(Text())
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