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# Copyright 2004 Ian Leitch
# Copyright 2004 Scott Hadfield
# Copyright 1999-2004 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
#
# $Id: Category.py,v 1.1.1.1 2004/06/04 06:38:35 port001 Exp $
#
__modulename__ = "Category"
import MySQL
import Config
from GLSRBackend import GLSRBackend as Parent
class Category(Parent):
tablename = Config.MySQL["category_table"]
def Create(self, name, descr, parent_id):
if parent_id > 0 and not self.Exists("parent_id", parent_id):
# We should throw an error here
return False
if not parent_id > 0:
parent_id = 0
return Parent.Create(self, {"name": name, "descr": descr,
"parent_id": parent_id}, ["name"])
def Remove(self):
# check for child cats and scripts that are under the cat and
# scripts under child cats of the parent.
# Note: I think that deleting scripts too might be a bit risky.
for child_id in self.Children():
child = Category(child_id)
child.Remove()
return Parent.Remove(self)
def Modify(self, name, descr, parent_id):
return Parent.Modify(self, ["name", "descr", "parent_id"],
{"name": name, "descr": descr,
"parent_id": parent_id})
def List(self, parent_id = -1):
if parent_id == -1:
return Parent.List(self)
else:
return Parent.List(self, {"parent_id": parent_id})
def Children(self):
" Return the id's for all of this categories children "
return (MySQL.Query("SELECT %s_id FROM %s%s " %
(self.tablename, Config.MySQL["prefix"],
self.tablename) +
"WHERE %s_parent_id = " % self.tablename + "%s",
self.id, fetch="all").values())
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