65 lines
2.0 KiB
Python
65 lines
2.0 KiB
Python
# Copyright 2021 (c) Anna Schumaker.
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#
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# Table: genres
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# +---------+-----------+------+------+
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# | genreid | plstateid | name | sort |
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# +---------+-----------+------+------+
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#
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# Index: genre_index
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# +-----------------+
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# | name -> genreid |
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# +-----------------+
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from gi.repository import GObject
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from . import playlist
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from . import track
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from . import sql
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class Genre(playlist.MappedPlaylist):
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def __init__(self, row):
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playlist.MappedPlaylist.__init__(self, row, "emblem-generic", "genre_map")
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self._name = row["name"]
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def delete(self):
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self.clear()
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Table.delete(self)
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@GObject.Property
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def name(self): return self._name
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class GenreTable(playlist.Model):
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def __init__(self):
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playlist.Model.__init__(self, "genres", "sort")
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def do_create(self):
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sql.execute("CREATE TABLE IF NOT EXISTS genres "
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"(genreid INTEGER PRIMARY KEY, "
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" plstateid INTEGER NOT NULL, "
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" name TEXT UNIQUE, "
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" sort TEXT, "
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" FOREIGN KEY(plstateid) REFERENCES playlist_states(plstateid))")
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sql.execute("CREATE TABLE IF NOT EXISTS genre_map "
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"(genreid INTEGER, "
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" trackid INTEGER, "
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" FOREIGN KEY(genreid) REFERENCES genres(genreid), "
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" FOREIGN KEY(trackid) REFERENCES tracks(trackid), "
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" UNIQUE(genreid, trackid))")
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def do_drop(self):
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sql.execute("DROP TABLE genres")
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sql.execute("DROP TABLE genre_map")
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def do_factory(self, row):
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return Genre(row)
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def do_insert(self, plstate, name):
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return sql.execute("INSERT INTO genres (plstateid, name, sort) "
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"VALUES (?, ?, ?)",
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[ plstate.rowid, name, name.casefold() ])
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def do_lookup(self, name):
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return sql.execute("SELECT * FROM genres WHERE name=?", [ name ])
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Table = GenreTable()
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