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mcma-backend/alembic/versions/20260613_1300-track_enrichment_outcome.py
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feat(enrichment): record status/errors and trust high-confidence AcoustID
Two related gaps surfaced from "uploaded a track, nothing changed / no status":

- A track could stay stuck on `pending` forever (an unexpected worker error
  rolled back the run without recording anything), and `failed` carried no
  reason. Add `tracks.metadata_error` + `tracks.enriched_at` (migration), stamp
  the outcome in apply_enrichment, add TrackRepository.mark_enrichment_failed,
  wrap enrich_task to persist crashes as `failed` in a fresh session, and emit a
  human-readable no-match reason. Expose metadata_error/enriched_at in TrackOut.

- The tag-first merge let junk embedded tags (e.g. "Music Track"/"Sound_13958")
  override even a 0.99-confidence AcoustID match. Add acoustid_trust_score
  (default 0.85): above it the acoustic identity wins for title/artist/album/
  year, tags are fallback; below it, tag-first as before.

Add a license-free real-file fixture (Scarlet Fire / Otis McDonald) whose junk
tags AcoustID overrides, with an always-on tag-reader test plus fpcalc/AcoustID/
network-gated identity + full-pipeline tests (skip on host, run in the container).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-13 13:29:08 +03:00

40 lines
1.1 KiB
Python

"""tracks: enrichment outcome (error reason + completion time)
Revision ID: 20260613_enrich_outcome
Revises: 20260608_subsonic_pw
Create Date: 2026-06-13 13:00:00.000000
Adds ``tracks.metadata_error`` and ``tracks.enriched_at`` so a finished
enrichment run records *why* it failed and *when* it completed. Lets the UI
distinguish a still-pending/running track from one that is done or failed, and
surface an actionable reason instead of a silent spinner (plan §6.2).
"""
from __future__ import annotations
from collections.abc import Sequence
import sqlalchemy as sa
from alembic import op
revision: str = "20260613_enrich_outcome"
down_revision: str | None = "20260608_subsonic_pw"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None
def upgrade() -> None:
op.add_column(
"tracks",
sa.Column("metadata_error", sa.String(length=2048), nullable=True),
)
op.add_column(
"tracks",
sa.Column("enriched_at", sa.DateTime(timezone=True), nullable=True),
)
def downgrade() -> None:
op.drop_column("tracks", "enriched_at")
op.drop_column("tracks", "metadata_error")