66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
# Copyright 2021 (c) Anna Schumaker.
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#
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# Table: decades
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# +----------+-----------+--------+
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# | decadeid | plstateid | decade |
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# +----------+-----------+--------+
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from gi.repository import GObject
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from . import execute
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from . import objects
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from . import state
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from . import year
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class Decade(objects.Row):
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def __gt__(self, rhs): return self.decade > rhs.decade
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def __lt__(self, rhs): return self.decade < rhs.decade
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def __str__(self): return f"{self.decade}s"
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def do_get_column(self, column):
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return execute(f"SELECT {column} FROM decades "
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"WHERE decadeid=?", [ self.rowid ])
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def years(self):
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cursor = execute(f"SELECT yearid FROM years "
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"WHERE decadeid=?", [ self.rowid ])
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return [ year.Year(row["yearid"]) for row in cursor.fetchall() ]
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@GObject.Property
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def decade(self):
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return self.get_column("decade")
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@GObject.Property
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def playlist_state(self):
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return state.PlaylistState(self.get_column("plstateid"))
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class DecadeTable(objects.Table):
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def __init__(self):
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objects.Table.__init__(self, "decades", Decade)
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def do_create(self):
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execute("CREATE TABLE IF NOT EXISTS decades "
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"(decadeid INTEGER PRIMARY KEY, "
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" plstateid INTEGER NOT NULL, "
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" decade INTEGER UNIQUE, "
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" FOREIGN KEY(plstateid) REFERENCES playlist_states(plstateid))")
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def do_insert(self, decade):
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plstate = state.Table.insert(random=False, loop=False)
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return execute("INSERT INTO decades (plstateid,decade) "
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"VALUES (?, ?)", [ int(plstate), decade ])
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def do_delete(self, decade):
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state.Table.delete(decade.playlist_state)
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return execute("DELETE FROM decades WHERE decadeid=?", [ int(decade) ])
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def do_get(self, rowid):
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return execute("SELECT decadeid FROM decades "
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"WHERE decadeid=?", [ rowid ])
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def do_lookup(self, decade):
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return execute("SELECT decadeid FROM decades "
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"WHERE decade=?", [ decade ])
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Table = DecadeTable()
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