Anna Schumaker
2af61f8787
I do lookups and inserts based only on the year field. Decades are created automatically on insert. Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
59 lines
1.7 KiB
Python
59 lines
1.7 KiB
Python
# Copyright 2021 (c) Anna Schumaker.
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#
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# Table: years
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# +--------+----------+------+
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# | yearid | decadeid | year |
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# +--------+----------+------+
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from gi.repository import GObject
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from . import decade
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from . import execute
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from . import objects
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class Year(objects.Row):
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def __gt__(self, rhs): return self.year > rhs.year
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def __lt__(self, rhs): return self.year < rhs.year
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def __str__(self): return str(self.year)
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def do_get_column(self, column):
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return execute(f"SELECT {column} FROM years "
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"WHERE yearid=?", [ self.rowid ])
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@GObject.Property
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def decade(self):
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return decade.Decade(self.get_column("decadeid"))
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@GObject.Property
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def year(self):
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return self.get_column("year")
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class YearTable(objects.Table):
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def __init__(self):
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objects.Table.__init__(self, "years", Year)
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def do_create(self):
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execute("CREATE TABLE IF NOT EXISTS years "
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"(yearid INTEGER PRIMARY KEY, "
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" decadeid INTEGER, "
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" year INTEGER UNIQUE, "
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" FOREIGN KEY(decadeid) REFERENCES decades(decadeid))")
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def do_insert(self, year):
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dec = decade.Table.find( (year // 10) * 10)
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return execute("INSERT INTO years (decadeid, year) "
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"VALUES (?, ?)", (int(dec), year))
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def do_delete(self, year):
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return execute("DELETE FROM years WHERE yearid=?", [ int(year) ])
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def do_get(self, rowid):
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return execute("SELECT yearid FROM years "
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"WHERE yearid=?", [ rowid ])
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def do_lookup(self, year):
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return execute("SELECT yearid FROM years "
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"WHERE year=?", [ year ])
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Table = YearTable()
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