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bernatsamperaandClaude Fable 5
aca7523754
FastAPI + Postgres service that stores workflow templates as file bundles with indexed manifest fields, submit-for-review publishing, and moderation endpoints behind an admin token. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
65 lines
2.1 KiB
Python
65 lines
2.1 KiB
Python
from datetime import datetime
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from sqlalchemy import DateTime, ForeignKey, Index, Integer, Text, func
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from sqlalchemy.dialects.postgresql import ARRAY
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from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column, relationship
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PENDING = "pending"
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APPROVED = "approved"
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REJECTED = "rejected"
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class Base(DeclarativeBase):
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pass
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class Template(Base):
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__tablename__ = "templates"
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pk: Mapped[int] = mapped_column(Integer, primary_key=True)
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id: Mapped[str] = mapped_column(Text, nullable=False)
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name: Mapped[str] = mapped_column(Text, nullable=False)
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description: Mapped[str] = mapped_column(Text, nullable=False)
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tags: Mapped[list[str]] = mapped_column(ARRAY(Text), nullable=False, default=list)
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status: Mapped[str] = mapped_column(Text, nullable=False, default=PENDING)
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submitted_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), nullable=False, server_default=func.now()
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)
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reviewed_at: Mapped[datetime | None] = mapped_column(
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DateTime(timezone=True), nullable=True
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)
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downloads: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
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votes: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
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files: Mapped[list["TemplateFile"]] = relationship(
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back_populates="template", cascade="all, delete-orphan", order_by="TemplateFile.path"
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)
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# One approved and at most one pending entry per workflow id.
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Index(
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"uq_templates_id_approved",
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Template.id,
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unique=True,
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postgresql_where=Template.status == APPROVED,
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)
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Index(
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"uq_templates_id_pending",
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Template.id,
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unique=True,
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postgresql_where=Template.status == PENDING,
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)
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class TemplateFile(Base):
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__tablename__ = "template_files"
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pk: Mapped[int] = mapped_column(Integer, primary_key=True)
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template_pk: Mapped[int] = mapped_column(
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ForeignKey("templates.pk", ondelete="CASCADE"), nullable=False, index=True
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)
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path: Mapped[str] = mapped_column(Text, nullable=False)
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content: Mapped[str] = mapped_column(Text, nullable=False)
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template: Mapped[Template] = relationship(back_populates="files")
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