35 lines
1.4 KiB
Python
35 lines
1.4 KiB
Python
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"""Attachment model — file attachments 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, Integer, 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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class Attachment(Base, TenantMixin):
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"""Attachment entity — links files to companies, contacts, invoices, etc."""
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__tablename__ = "attachments"
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__table_args__ = (
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Index("ix_attachments_entity", "entity_type", "entity_id", "tenant_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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filename: Mapped[str] = mapped_column(String(255), nullable=False)
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file_path: Mapped[str] = mapped_column(String(500), nullable=False)
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mime_type: Mapped[str] = mapped_column(String(100), nullable=False, default="application/octet-stream")
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file_size: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
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uploaded_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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