70b1c7de10
Add typed service contracts (Protocols + frozen DTOs) in shared/contracts/ for cross-domain communication. Each domain exposes a service interface (BlogService, CalendarService, MarketService, CartService) backed by SQL implementations in shared/services/. A singleton registry with has() guards enables composable startup — apps register their own domain service and stubs for absent domains. Absorbs glue layer: navigation, relationships, event handlers (login, container, order) now live in shared/ with has()-guarded service calls. Factory gains domain_services_fn parameter for per-app service registration. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
39 lines
1.4 KiB
Python
39 lines
1.4 KiB
Python
from datetime import datetime
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from typing import Optional
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from sqlalchemy.orm import Mapped, mapped_column
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from sqlalchemy import Integer, String, DateTime, Index, UniqueConstraint, func
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from shared.db.base import Base
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class ContainerRelation(Base):
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__tablename__ = "container_relations"
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__table_args__ = (
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UniqueConstraint(
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"parent_type", "parent_id", "child_type", "child_id",
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name="uq_container_relations_parent_child",
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),
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Index("ix_container_relations_parent", "parent_type", "parent_id"),
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Index("ix_container_relations_child", "child_type", "child_id"),
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)
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id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
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parent_type: Mapped[str] = mapped_column(String(32), nullable=False)
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parent_id: Mapped[int] = mapped_column(Integer, nullable=False)
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child_type: Mapped[str] = mapped_column(String(32), nullable=False)
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child_id: Mapped[int] = mapped_column(Integer, nullable=False)
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sort_order: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
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label: Mapped[Optional[str]] = mapped_column(String(255), nullable=True)
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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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deleted_at: Mapped[Optional[datetime]] = mapped_column(
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DateTime(timezone=True),
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nullable=True,
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)
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