Anna Schumaker
feca3c7a19
I'll eventually need to add a mapping between tracks and their genre list, but I still need to build up to having Track objects first Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
50 lines
1.4 KiB
Python
50 lines
1.4 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 | 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 . import execute
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from . import objects
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class Genre(objects.Tag):
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def do_get_column(self, column):
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return execute(f"SELECT {column} FROM genres "
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"WHERE genreid=?", [ self.rowid ])
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class GenreTable(objects.Table):
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def __init__(self):
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objects.Table.__init__(self, "genres", Genre)
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def do_create(self):
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execute("CREATE TABLE IF NOT EXISTS genres "
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"(genreid INTEGER PRIMARY KEY, "
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" name TEXT UNIQUE, "
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" sort TEXT)")
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execute("CREATE INDEX IF NOT EXISTS genre_index "
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"ON genres(name)")
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def do_insert(self, name):
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return execute("INSERT INTO genres (name, sort) "
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"VALUES (?, ?)", (name, name.casefold()))
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def do_delete(self, genre):
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return execute("DELETE FROM genres WHERE genreid=?", [ int(genre) ])
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def do_get(self, rowid):
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return execute("SELECT genreid FROM genres "
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"WHERE genreid=?", [ rowid ])
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def do_lookup(self, name):
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return execute("SELECT genreid FROM genres "
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"WHERE name=?", [ name ])
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Table = GenreTable()
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