Anna Schumaker
d3bdaaa063
This table allows us to work with Artist playlists that have a name and (optional) mbid. Note that we can insert multiple artists with the same name into the database as long as they have different mbids. Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
124 lines
3.2 KiB
SQL
124 lines
3.2 KiB
SQL
/* Copyright 2022 (c) Anna Schumaker */
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PRAGMA user_version = 1;
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/**************************************
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* *
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* Application Settings *
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* *
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**************************************/
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CREATE TABLE settings (
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key TEXT PRIMARY KEY,
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type TEXT NOT NULL,
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value TEXT NOT NULL,
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CHECK (type IN ("gint", "gdouble", "gboolean", "gchararray"))
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);
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/*************************************
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* *
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* Playlist Properties *
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* *
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*************************************/
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CREATE TABLE playlist_properties (
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propertyid INTEGER PRIMARY KEY,
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active BOOLEAN NOT NULL DEFAULT FALSE
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);
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CREATE TRIGGER playlists_active_trigger
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AFTER UPDATE OF active ON playlist_properties
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FOR EACH ROW BEGIN
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UPDATE playlist_properties
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SET active = FALSE
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WHERE propertyid != NEW.propertyid AND active == TRUE;
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END;
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/*******************************************
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* *
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* User and System Playlists *
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* *
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*******************************************/
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CREATE TABLE playlists (
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playlistid INTEGER PRIMARY KEY,
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propertyid INTEGER REFERENCES playlist_properties(propertyid)
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ON DELETE CASCADE
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ON UPDATE CASCADE,
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name TEXT NOT NULL UNIQUE COLLATE NOCASE,
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image PATH
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);
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CREATE VIEW playlists_view AS
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SELECT playlistid, propertyid, name, image, active
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FROM playlists
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JOIN playlist_properties USING (propertyid);
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CREATE TRIGGER playlists_insert_trigger AFTER INSERT ON playlists
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BEGIN
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INSERT INTO playlist_properties (active)
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VALUES (NEW.name == "Collection");
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UPDATE playlists SET propertyid = last_insert_rowid()
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WHERE playlistid = NEW.playlistid;
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END;
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CREATE TRIGGER playlists_delete_trigger AFTER DELETE ON playlists
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BEGIN
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DELETE FROM playlist_properties WHERE propertyid = OLD.propertyid;
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END;
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/*************************
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* *
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* Artists *
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* *
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*************************/
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CREATE TABLE artists (
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artistid INTEGER PRIMARY KEY,
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propertyid INTEGER REFERENCES playlist_properties (propertyid)
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ON DELETE CASCADE
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ON UPDATE CASCADE,
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name TEXT NOT NULL COLLATE NOCASE,
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mbid TEXT NOT NULL DEFAULT "" COLLATE NOCASE,
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UNIQUE (name, mbid)
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);
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CREATE VIEW artists_view AS
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SELECT artistid, propertyid, name, mbid, active
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FROM artists
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JOIN playlist_properties USING (propertyid);
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CREATE TRIGGER artists_insert_trigger AFTER INSERT ON artists
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BEGIN
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INSERT INTO playlist_properties (active) VALUES (False);
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UPDATE artists SET propertyid = last_insert_rowid(),
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mbid = LOWER(NEW.mbid)
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WHERE artistid = NEW.artistid;
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END;
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CREATE TRIGGER artists_delete_trigger AFTER DELETE ON artists
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BEGIN
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DELETE FROM playlist_properties WHERE propertyid = OLD.propertyid;
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END;
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/******************************************
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* *
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* Create Default Playlists *
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* *
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******************************************/
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INSERT INTO playlists (name) VALUES
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("Collection"),
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("Favorite Tracks"),
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("Most Played Tracks"),
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("New Tracks"),
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("Previous Tracks"),
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("Queued Tracks"),
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("Unplayed Tracks");
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