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FabledCurator/backend/app/models/pixiv_seen_media.py
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feat(pixiv): ledger models + migration 0076 + PixivIngester adapter (#129 step 3)
pixiv_seen_media / pixiv_failed_media mirror the Patreon/SubscribeStar
ledgers (keys are always synthesized <illust_id>:p<num> / <illust_id>:ugoira
— pximg URLs carry no content hash). PixivIngester wires client/downloader/
ledgers into ingest_core with drift label 'Pixiv app API' and the new
body_canary=False opt-out: caption-less pixiv artists are common, so the
zero-bodies #862 alarm would false-positive here — the client's
response-shape drift checks cover that failure class instead. auth_token
joins the uniform adapter constructor (pixiv is the first token-auth native
platform). verify_pixiv_credential = one OAuth refresh, no feed walk.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CDgx8bQS5YrGRK76v8HUnM
2026-07-03 09:45:14 -04:00

43 lines
1.6 KiB
Python

"""PixivSeenMedia — per-source ledger of Pixiv media already
downloaded+processed.
Mirror of PatreonSeenMedia/SubscribeStarSeenMedia for the Pixiv native
ingester (replacing gallery-dl). One queryable row per (source, media) so
routine walks skip media we've already ingested; recovery mode bypasses the
ledger to re-walk.
Pixiv original URLs carry no content hash, so `filehash` is always the
synthesized ``<illust_id>:p<num>`` (page) / ``<illust_id>:ugoira`` (frame
zip) key — stable across any URL-shape drift. String(128) matches the sibling
ledgers.
"""
from datetime import datetime
from sqlalchemy import ForeignKey, Integer, String, UniqueConstraint, func
from sqlalchemy.orm import Mapped, mapped_column
from sqlalchemy.types import DateTime
from .base import Base
class PixivSeenMedia(Base):
__tablename__ = "pixiv_seen_media"
__table_args__ = (
# Dedup key the downloader upserts against: one ledger row per
# (source, media). A second sighting of the same media is a no-op.
UniqueConstraint(
"source_id", "filehash", name="uq_pixiv_seen_media_source_id"
),
)
id: Mapped[int] = mapped_column(Integer, primary_key=True)
source_id: Mapped[int] = mapped_column(
ForeignKey("source.id", ondelete="CASCADE"), nullable=False, index=True
)
filehash: Mapped[str] = mapped_column(String(128), nullable=False)
post_id: Mapped[str | None] = mapped_column(String(64), nullable=True)
seen_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True), nullable=False, server_default=func.now()
)