50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
import uuid
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from datetime import datetime
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from sqlalchemy import String, DateTime, func, JSON, ForeignKey
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from sqlalchemy import Uuid
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from sqlalchemy.dialects.postgresql import JSONB
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from sqlalchemy.types import TypeDecorator
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from app.database import Base
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class JSONType(TypeDecorator):
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"""A JSON type that uses JSONB on PostgreSQL and JSON on other databases."""
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impl = JSON
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cache_ok = True
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def load_dialect_impl(self, dialect):
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if dialect.name == "postgresql":
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return dialect.type_descriptor(JSONB())
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return dialect.type_descriptor(JSON())
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class Competitor(Base):
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__tablename__ = "competitors"
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id: Mapped[uuid.UUID] = mapped_column(
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Uuid(as_uuid=True),
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primary_key=True,
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default=uuid.uuid4,
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)
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brand_id: Mapped[uuid.UUID] = mapped_column(
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Uuid(as_uuid=True),
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ForeignKey("brands.id", ondelete="CASCADE"),
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nullable=False,
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)
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name: Mapped[str] = mapped_column(String(50), nullable=False)
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aliases: Mapped[list] = mapped_column(JSONType, default=list, nullable=False)
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created_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True),
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server_default=func.now(),
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nullable=False,
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)
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brand: Mapped["Brand"] = relationship("Brand", back_populates="competitors")
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# Import at bottom to avoid circular import
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from app.models.brand import Brand # noqa: E402, F401
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