yonlu
68e7edb8c9
Replace play_history with listening_events — one row per track exit, kind (complete/play/skip) plus raw position/duration — and add skip_count/last_skipped to audio_files beside play_count/last_played. The classifier that writes these lands later (plan 021); this is the schema it records into. Also drop the dead queue.source_playlist_id column and remove the stale references to the squashed migration chain in download_*.sql and tagging_items.sql, declaring the missing download-request indexes inline.
77 lines
3.2 KiB
SQL
77 lines
3.2 KiB
SQL
-- A Request is a persistent "I want this", stored as a MusicBrainz ID
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-- and almost nothing else. It outlives every download attempt made on
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-- its behalf: nothing being findable today is the normal case for
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-- obscure music, and the correct response is to try again next week,
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-- not to show the user a failed row they have to remember to retry.
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--
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-- Because a Request is only an MBID, it stays true when everything
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-- around it changes: the explore index is rebuilt, a provider is
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-- swapped out, the release the user originally saw is superseded by a
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-- remaster. The display fields are a cache for the list view and are
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-- never consulted for matching.
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CREATE TABLE IF NOT EXISTS download_requests (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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mbid TEXT NOT NULL,
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entity TEXT NOT NULL
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CHECK(entity IN ('artist', 'release-group', 'release', 'recording')),
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library_id INTEGER NOT NULL,
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-- Display text, cached so the list renders without touching the
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-- explore index. Neither is authoritative; the MBID is.
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artist TEXT NOT NULL DEFAULT '',
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title TEXT NOT NULL DEFAULT '',
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scope TEXT NOT NULL DEFAULT 'future'
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CHECK(scope IN ('future', 'all')),
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-- secondary controls whether an artist request's expansion includes
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-- compilations, live albums and remixes. Off by default: someone
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-- subscribing to an artist wants the albums, not six versions of
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-- the same greatest-hits package.
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secondary INTEGER NOT NULL DEFAULT 0,
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state TEXT NOT NULL DEFAULT 'wanted'
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CHECK(state IN ('wanted', 'satisfied', 'paused')),
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-- parent_id links a request the reconciler derived from an artist
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-- request. Deleting the artist takes its derived children with
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-- it, but children the user pinned themselves have no parent and
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-- stay.
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parent_id INTEGER,
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-- Retry bookkeeping. attempts drives the backoff; last_error is
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-- the most recent reason it did not work out, which for a request
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-- is information rather than a failure.
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attempts INTEGER NOT NULL DEFAULT 0,
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last_error TEXT NOT NULL DEFAULT '',
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last_tried_at DATETIME,
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next_try_at DATETIME,
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-- external_ids maps provider row ID to that provider's own
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-- identifier for this request, for clients that keep their own
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-- persistent list (a Lidarr artist ID). JSON object.
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external_ids TEXT NOT NULL DEFAULT '{}',
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created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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-- One request per thing per library. Asking twice is not two
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-- requests, and this is what lets an artist expansion re-run every
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-- reconcile without accumulating duplicates.
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UNIQUE(mbid, library_id),
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FOREIGN KEY(library_id) REFERENCES libraries(id) ON DELETE CASCADE,
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FOREIGN KEY(parent_id) REFERENCES download_requests(id) ON DELETE CASCADE
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);
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CREATE INDEX IF NOT EXISTS idx_download_requests_due
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ON download_requests(state, next_try_at);
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CREATE INDEX IF NOT EXISTS idx_download_requests_entity
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ON download_requests(entity, state);
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CREATE INDEX IF NOT EXISTS idx_download_requests_parent
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ON download_requests(parent_id) WHERE parent_id IS NOT NULL;
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