91 lines
3.1 KiB
Python
91 lines
3.1 KiB
Python
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import datetime
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from typing import Optional
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from sqlalchemy import String, Select, select, Table, Column, ForeignKey
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from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column, relationship
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class Base(DeclarativeBase):
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pass
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class Resource(Base):
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__tablename__ = "resources"
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id: Mapped[int] = mapped_column(primary_key=True)
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label: Mapped[str] = mapped_column(String(127))
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wiki_url: Mapped[str] # FIXME: rename to uri
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recipes_populated_at: Mapped[Optional[datetime.datetime]]
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flows: Mapped[list["ResourceFlow"]] = relationship(back_populates="resource")
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@classmethod
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def by_label(cls, search: str) -> Select[tuple["Resource"]]:
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return select(cls).where(cls.label.ilike(search))
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def __repr__(self):
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return (
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f"Resource(id={self.id}, "
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f"label={self.label}, "
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f"wiki_url={self.wiki_url}, "
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f"recipes_populated_at={self.recipes_populated_at})"
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)
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class Factory(Base):
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__tablename__ = "factories"
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id: Mapped[int] = mapped_column(primary_key=True)
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label: Mapped[str] = mapped_column(String(127))
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wiki_url: Mapped[str] # FIXME: rename to uri
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@classmethod
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def by_label(cls, search: str) -> Select[tuple["Factory"]]:
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return select(cls).where(cls.label.ilike(search))
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def __repr__(self):
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return f"Factory(id={self.id}, label={self.label}, wiki_url={self.wiki_url})"
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ingredients_table = Table(
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"recipe_ingredients",
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Base.metadata,
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Column("recipe_id", ForeignKey("recipes.id"), primary_key=True),
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Column("resource_flow_id", ForeignKey("resource_flows.id"), primary_key=True),
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)
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results_table = Table(
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"recipe_results",
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Base.metadata,
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Column("recipe_id", ForeignKey("recipes.id"), primary_key=True),
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Column("resource_flow_id", ForeignKey("resource_flows.id"), primary_key=True),
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)
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class ResourceFlow(Base):
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__tablename__ = "resource_flows"
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id: Mapped[int] = mapped_column(primary_key=True)
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ingredient_in: Mapped[Optional["Recipe"]] = relationship(secondary=ingredients_table, back_populates="ingredients")
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result_of: Mapped[Optional["Recipe"]] = relationship(secondary=results_table, back_populates="results")
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resource_id: Mapped[int] = mapped_column(ForeignKey("resources.id"))
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resource: Mapped["Resource"] = relationship(back_populates="flows")
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amount: Mapped[str]
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time: Mapped[str]
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def __repr__(self):
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return f"ResourceFlow(id={self.id}, resource_id={self.resource_id}, amount={self.amount}, time={self.time})"
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class Recipe(Base):
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__tablename__ = "recipes"
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id: Mapped[int] = mapped_column(primary_key=True)
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factory_id: Mapped[int] = mapped_column(ForeignKey("factories.id"))
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factory: Mapped["Factory"] = relationship()
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ingredients: Mapped[list["ResourceFlow"]] = relationship(
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secondary=ingredients_table, back_populates="ingredient_in"
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)
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results: Mapped[list["ResourceFlow"]] = relationship(secondary=results_table, back_populates="result_of")
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def __repr__(self):
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return f"Recipe(id={self.id}, factory={self.factory}, ingredients={self.ingredients}, results={self.results})"
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