emmental/db/decade.py

52 lines
1.6 KiB
Python

# Copyright 2021 (c) Anna Schumaker.
#
# Table: decades
# +----------+-----------+--------+
# | decadeid | plstateid | decade |
# +----------+-----------+--------+
from gi.repository import GObject
from . import playlist
from . import sql
from . import year
class Decade(playlist.ParentPlaylist):
def __init__(self, row):
playlist.ParentPlaylist.__init__(self, row, "x-office-calendar")
self._decade = row["decade"]
@GObject.Property
def decade(self): return self._decade
@GObject.Property
def name(self): return f"{self._decade}s"
def delete(self): Table.delete(self)
def find_year(self, yr): return self.find_child(yr)
def get_child_table(self): return year.Table
def lookup_child(self, yr): return year.Table.lookup(yr)
class DecadeTable(playlist.Model):
def __init__(self):
playlist.Model.__init__(self, "decades", "decade")
def do_create(self):
sql.execute("CREATE TABLE IF NOT EXISTS decades "
"(decadeid INTEGER PRIMARY KEY, "
" plstateid INTEGER NOT NULL, "
" decade INTEGER UNIQUE, "
" FOREIGN KEY(plstateid) REFERENCES playlist_states(plstateid))")
def do_factory(self, row):
return Decade(row)
def do_insert(self, plstate, decade):
return sql.execute("INSERT INTO decades (plstateid,decade) "
"VALUES (?, ?)", [ plstate.rowid, decade ])
def do_lookup(self, decade):
return sql.execute("SELECT * FROM decades WHERE decade=?", [ decade ])
Table = DecadeTable()