# Mark Huang <mlhuang@cs.princeton.edu>
# Copyright (C) 2006 The Trustees of Princeton University
#
-# $Id$
+# $Id: AddressTypes.py,v 1.8 2006/11/09 03:07:42 mlhuang Exp $
#
+from types import StringTypes
+from PLC.Faults import *
from PLC.Parameter import Parameter
+from PLC.Filter import Filter
+from PLC.Table import Row, Table
-class AddressTypes(dict):
+class AddressType(Row):
"""
- Representation of the address_types table in the database.
+ Representation of a row in the address_types table. To use,
+ instantiate with a dict of values.
"""
+ table_name = 'address_types'
+ primary_key = 'address_type_id'
+ join_tables = ['address_address_type']
fields = {
'address_type_id': Parameter(int, "Address type identifier"),
- 'name': Parameter(str, "Address type name"),
+ 'name': Parameter(str, "Address type", max = 20),
+ 'description': Parameter(str, "Address type description", max = 254),
}
- def __init__(self, api):
- sql = "SELECT address_type_id, name FROM address_types"
+ def validate_name(self, name):
+ # Make sure name is not blank
+ if not len(name):
+ raise PLCInvalidArgument, "Address type must be specified"
+
+ # Make sure address type does not already exist
+ conflicts = AddressTypes(self.api, [name])
+ for address_type_id in conflicts:
+ if 'address_type_id' not in self or self['address_type_id'] != address_type_id:
+ raise PLCInvalidArgument, "Address type name already in use"
+
+ return name
+
+class AddressTypes(Table):
+ """
+ Representation of the address_types table in the database.
+ """
+
+ def __init__(self, api, address_type_filter = None, columns = None):
+ Table.__init__(self, api, AddressType, columns)
+
+ sql = "SELECT %s FROM address_types WHERE True" % \
+ ", ".join(self.columns)
+
+ if address_type_filter is not None:
+ if isinstance(address_type_filter, (list, tuple, set)):
+ # Separate the list into integers and strings
+ ints = filter(lambda x: isinstance(x, (int, long)), address_type_filter)
+ strs = filter(lambda x: isinstance(x, StringTypes), address_type_filter)
+ address_type_filter = Filter(AddressType.fields, {'address_type_id': ints, 'name': strs})
+ sql += " AND (%s)" % address_type_filter.sql(api, "OR")
+ elif isinstance(address_type_filter, dict):
+ address_type_filter = Filter(AddressType.fields, address_type_filter)
+ sql += " AND (%s)" % address_type_filter.sql(api, "AND")
- for row in api.db.selectall(sql):
- self[row['address_type_id']] = row['name']
- self[row['name']] = row['address_type_id']
+ self.selectall(sql)