Add a "Discover from playlists" tab to the Channel manager that lists
channels appearing in the user's playlists they don't subscribe to, with
a one-click Subscribe.
- GET /api/channels/discovery: local join (playlist_items -> videos ->
channels) minus the user's subscriptions and their own channel. Enriches
stub channels' metadata up front (title/thumbnail/subscriber count via the
API key) so the user can judge a channel before subscribing; videos are
not pulled (the scheduler picks those up).
- POST /api/channels/{id}/subscribe: write-scope gated, subscriptions.insert
+ local Subscription with the returned resource id.
- YouTubeClient.insert_subscription / get_my_channel_id.
- users.yt_channel_id (migration 0019) caches the user's own channel id so
discovery can exclude it.
- Frontend: ChannelDiscovery DataTable, Channels tab toggle (persisted),
api methods, trilingual strings. Subscribe ships a typed notification
payload (ChannelSubscribedMeta) for the inbox to act on.
28 lines
905 B
Python
28 lines
905 B
Python
"""cache each user's own YouTube channel id
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Revision ID: 0019_user_yt_channel_id
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Revises: 0018_maintenance_batch_setting
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Create Date: 2026-06-19
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Adds users.yt_channel_id: the user's own YouTube channel id, resolved lazily from
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channels.list?mine=true and cached. Used to exclude the user's own channel from the
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playlist-discovery list (you don't subscribe to yourself). NULL = not resolved yet.
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Purely additive.
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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 = "0019_user_yt_channel_id"
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down_revision: Union[str, None] = "0018_maintenance_batch_setting"
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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("users", sa.Column("yt_channel_id", sa.String(length=32), nullable=True))
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def downgrade() -> None:
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op.drop_column("users", "yt_channel_id")
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