2f66196816
The old per-video status='saved' becomes membership in a built-in, undeletable 'watch_later' playlist. Migration 0012 moves existing saved videos into each user's Watch later list and demotes the states to 'new'. The feed/playlist serializers now expose a 'saved' boolean (EXISTS in watch_later); the card bookmark toggles watch_later via new /api/playlists/watch-later add/remove endpoints (create-on-demand) instead of setting a status. Removed the 'saved' show-filter and status. Watch later shows a localized name and hides rename/delete in the Playlists page and add-to-playlist popover.
65 lines
2.4 KiB
Python
65 lines
2.4 KiB
Python
"""unify Saved into a built-in Watch later playlist
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Revision ID: 0012_watch_later
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Revises: 0011_playlists
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Create Date: 2026-06-15
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Migrates the old per-video status='saved' into membership of a built-in 'watch_later'
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playlist (one per user who had saved videos), then demotes those states to 'new'.
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"""
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from typing import Sequence, Union
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from alembic import op
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revision: str = "0012_watch_later"
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down_revision: Union[str, None] = "0011_playlists"
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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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# 1) A Watch later playlist for each user that has saved videos (and none yet).
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op.execute(
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"""
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INSERT INTO playlists (user_id, name, kind, source, dirty, position, created_at, updated_at)
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SELECT DISTINCT vs.user_id, 'Watch later', 'watch_later', 'local', false, 0, now(), now()
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FROM video_states vs
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WHERE vs.status = 'saved'
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AND NOT EXISTS (
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SELECT 1 FROM playlists p
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WHERE p.user_id = vs.user_id AND p.kind = 'watch_later'
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)
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"""
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)
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# 2) Add each saved video as an item, ordered (newest-saved first → position 0).
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op.execute(
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"""
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INSERT INTO playlist_items (playlist_id, video_id, position, added_at)
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SELECT p.id, vs.video_id,
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row_number() OVER (
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PARTITION BY vs.user_id
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ORDER BY COALESCE(vs.watched_at, vs.updated_at) DESC
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) - 1,
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COALESCE(vs.watched_at, vs.updated_at, now())
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FROM video_states vs
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JOIN playlists p ON p.user_id = vs.user_id AND p.kind = 'watch_later'
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WHERE vs.status = 'saved'
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ON CONFLICT (playlist_id, video_id) DO NOTHING
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"""
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)
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# 3) Demote the migrated saved states to the default.
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op.execute("UPDATE video_states SET status = 'new' WHERE status = 'saved'")
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def downgrade() -> None:
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# Best-effort reverse: restore status='saved' for videos in watch_later lists, then drop them.
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op.execute(
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"""
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UPDATE video_states vs SET status = 'saved'
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FROM playlist_items pi
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JOIN playlists p ON p.id = pi.playlist_id AND p.kind = 'watch_later'
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WHERE pi.video_id = vs.video_id AND p.user_id = vs.user_id
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AND vs.status = 'new'
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"""
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)
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op.execute("DELETE FROM playlists WHERE kind = 'watch_later'")
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