Senko-san
38 lines
1.4 KiB
Python
38 lines
1.4 KiB
Python
"""ORM model for download jobs (plan §6.1).
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Tracks a queued download through its lifecycle. ``retry_count`` supports the
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exponential-backoff retries that yt-dlp needs; ``progress`` drives the UI
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download manager.
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"""
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import uuid
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from sqlalchemy import Float, ForeignKey, Integer, String, Text
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from sqlalchemy.orm import Mapped, mapped_column
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from app.infrastructure.db.base import Base
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from app.infrastructure.db.models.enums import DownloadStatus
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from app.infrastructure.db.models.mixins import TimestampMixin, UUIDPrimaryKeyMixin
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class DownloadJobModel(UUIDPrimaryKeyMixin, TimestampMixin, Base):
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__tablename__ = "download_jobs"
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source: Mapped[str] = mapped_column(String(32), nullable=False)
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source_id: Mapped[str | None] = mapped_column(String(512), nullable=True)
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query: Mapped[str | None] = mapped_column(String(1024), nullable=True)
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requested_by: Mapped[uuid.UUID | None] = mapped_column(
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ForeignKey("users.id", ondelete="SET NULL"),
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index=True,
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nullable=True,
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)
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status: Mapped[str] = mapped_column(
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String(16),
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index=True,
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nullable=False,
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default=DownloadStatus.QUEUED.value,
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)
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progress: Mapped[float] = mapped_column(Float, nullable=False, default=0.0)
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error_message: Mapped[str | None] = mapped_column(Text, nullable=True)
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retry_count: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
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