Agent Zero
52 lines
2.1 KiB
Python
52 lines
2.1 KiB
Python
"""EntityAttachment model — references DMS files for any entity."""
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from __future__ import annotations
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import uuid
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from datetime import datetime
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from sqlalchemy import DateTime, ForeignKey, Index, String
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from sqlalchemy.dialects.postgresql import UUID as PGUUID
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from sqlalchemy.orm import Mapped, mapped_column
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from app.core.db import Base, TenantMixin
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from app.models.owned_mixin import OwnedMixin
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class EntityAttachment(Base, TenantMixin, OwnedMixin):
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"""Links a DMS file to any entity (contact, address, invoice, etc.).
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The actual file is stored in the DMS (files table).
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This table only holds the reference + category + display_name.
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"""
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__tablename__ = "entity_attachments"
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__table_args__ = (
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Index("ix_entity_attachments_entity", "entity_type", "entity_id", "tenant_id"),
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Index("ix_entity_attachments_dms_file", "dms_file_id"),
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)
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id: Mapped[uuid.UUID] = mapped_column(
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PGUUID(as_uuid=True), primary_key=True, default=uuid.uuid4
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)
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entity_type: Mapped[str] = mapped_column(String(50), nullable=False)
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entity_id: Mapped[uuid.UUID] = mapped_column(PGUUID(as_uuid=True), nullable=False)
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dms_file_id: Mapped[uuid.UUID] = mapped_column(
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PGUUID(as_uuid=True),
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ForeignKey("files.id", ondelete="RESTRICT"),
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nullable=False,
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)
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category: Mapped[str | None] = mapped_column(String(50), nullable=True)
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display_name: Mapped[str | None] = mapped_column(String(255), nullable=True)
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created_by: Mapped[uuid.UUID | None] = mapped_column(
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PGUUID(as_uuid=True), ForeignKey("users.id", ondelete="SET NULL"), nullable=True
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)
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created_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), nullable=False, server_default=__import__('sqlalchemy').func.now()
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)
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updated_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), nullable=False, server_default=__import__('sqlalchemy').func.now(),
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onupdate=__import__('sqlalchemy').func.now(),
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)
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deleted_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
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