feat: deal attributes with select and options

models/attr_select.py

@@ -0,0 +1,46 @@
+from typing import TYPE_CHECKING
+
+from sqlalchemy import ForeignKey, UniqueConstraint
+from sqlalchemy.dialects.postgresql import JSONB
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from models.base import BaseModel
+from models.mixins import IdMixin, SoftDeleteMixin
+
+if TYPE_CHECKING:
+    from models import Attribute
+
+
+class AttributeSelect(BaseModel, IdMixin, SoftDeleteMixin):
+    __tablename__ = "attribute_selects"
+
+    label: Mapped[str] = mapped_column()
+    is_built_in: Mapped[bool] = mapped_column(
+        default=False,
+        comment="Если встроенный select, то запрещено редактировать пользователю",
+    )
+
+    options: Mapped[list["AttributeOption"]] = relationship(
+        back_populates="select",
+        lazy="noload",
+    )
+
+    attributes: Mapped[list["Attribute"]] = relationship(
+        back_populates="select",
+        lazy="noload",
+    )
+
+
+class AttributeOption(BaseModel, IdMixin, SoftDeleteMixin):
+    __tablename__ = "attribute_options"
+
+    value: Mapped[dict[str, any]] = mapped_column(JSONB)
+    label: Mapped[str] = mapped_column()
+
+    select_id: Mapped[int] = mapped_column(ForeignKey("attribute_selects.id"))
+    select: Mapped[AttributeSelect] = relationship(
+        back_populates="options",
+        lazy="noload",
+    )
+
+    __table_args__ = (UniqueConstraint("value", "select_id", name="_value_select_uc"),)