cb170dfd32
Two visual gaps for non-catalog downloads: - Channel link: YouTube already exposes channel_url; Facebook exposes none but a numeric uploader_id that resolves at facebook.com/<id>. `_uploader_url` derives it so the auto-detected channel renders as a real clickable link. - Poster: a source with no thumbnail (e.g. a direct reddit HLS URL) showed a blank image box. The worker now cuts a representative frame with ffmpeg (`ensure_poster`) into the `<base>.jpg` sidecar and records `poster_path` (migration 0050). The card, the public watch page (<video poster> + og:image), and link previews fall back to it via new authed + public poster endpoints. Adds `app.downloads.backfill` (one-off, re-run-safe) to fill uploader_url (re-extract YouTube/Facebook metadata) and posters for pre-existing downloads.
28 lines
1,013 B
Python
28 lines
1,013 B
Python
"""local poster path for thumbnail-less downloads
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Revision ID: 0050_asset_poster
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Revises: 0049_download_display_meta
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Create Date: 2026-07-07
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Some sources (a direct media URL like a reddit v.redd.it HLS manifest) carry no thumbnail, so the
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download shows a blank image box. The worker now extracts a representative frame with ffmpeg and
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saves it as a poster sidecar; `poster_path` (relative to download_root) records it so the card /
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watch page / link preview can fall back to it. Nullable — only set when there was no thumbnail.
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"""
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from typing import Sequence, Union
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import sqlalchemy as sa
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from alembic import op
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revision: str = "0050_asset_poster"
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down_revision: Union[str, None] = "0049_download_display_meta"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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op.add_column("media_assets", sa.Column("poster_path", sa.Text(), nullable=True))
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def downgrade() -> None:
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op.drop_column("media_assets", "poster_path")
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