Sansan
a705d7b476
The queue lived in memory and was shared by all clients, so a restart or a finished sync cleared it. Every client now has its own queue in the new queue and queue_song tables (added to the undeployed migration 000006). The music endpoints return the queue ID in the X-Queue-Id header and expect it back. A request without an ID, or with an ended one, starts a new queue. /music/reset ends the queue and returns a new ID, and a sync ends all running queues. Ended queues are kept as history. The deprecated legacy routes without the /api/v1 prefix are removed.
27 lines
1.1 KiB
SQL
27 lines
1.1 KiB
SQL
-- Cheap fingerprint (file names, sizes and modification times) used to skip
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-- content hashing of soundtracks that have not changed since the last sync.
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ALTER TABLE soundtrack ADD COLUMN fingerprint TEXT NOT NULL DEFAULT '';
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-- Play queues. Every client has its own queue, identified by the queue's UUID.
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-- Ended queues are kept as history.
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CREATE TABLE queue (
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uuid UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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current_song INT4 NOT NULL DEFAULT -1,
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-- The last random song, added to the queue by /music/addQue.
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last_fetched_song_uuid UUID NULL,
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started_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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ended_at TIMESTAMPTZ NULL
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);
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CREATE INDEX idx_queue_active ON queue(uuid) WHERE ended_at IS NULL;
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-- song_uuid has no foreign key: a sync can delete songs. The names are kept for the history.
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CREATE TABLE queue_song (
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queue_uuid UUID NOT NULL REFERENCES queue(uuid) ON DELETE CASCADE,
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song_no INT4 NOT NULL,
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song_uuid UUID NOT NULL,
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soundtrack_name VARCHAR NOT NULL,
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song_name VARCHAR NOT NULL,
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added_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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PRIMARY KEY (queue_uuid, song_no)
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);
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