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##############################################################################
#
# Copyright (c) 2006 Nexedi SARL and Contributors. All Rights Reserved.
# Romain Courteaud <romain@nexedi.com>
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
##############################################################################
from Products.ERP5Type.mixin.constraint import ConstraintMixin
from Products.ERP5Type import PropertySheet
class TransactionQuantityValueValidityConstraint(ConstraintMixin):
"""
This is only relevant for ZODB Property Sheets (filesystem Property
Sheets rely on Products.ERP5.Constraint.TransactionQuantityValueValidity
instead).
"""
meta_type = 'ERP5 Transaction Quantity Value Validity Constraint'
portal_type = 'Transaction Quantity Value Validity Constraint'
def _checkConsistency(self, object, fixit=0):
"""
Check if the quantity of the transaction is greater than the
balance of the source.
"""
errors = []
source_cell = object.getSourceValue()
destination_cell = object.getDestinationValue()
if (source_cell is not None) and \
(destination_cell is not None):
# XXX Dirty code !
quantity = object.getQuantity()
budget_list = object.getPortalObject().budget_module.objectValues()
max_quantity = 0
for obj in budget_list:
for item in obj.objectValues():
if (item.getPortalType() == 'Budget Transfer Line') and \
(item.getSourceValue() == source_cell) and \
(item.getDestinationValue() == destination_cell):
max_quantity = item.getQuantity()
if quantity > max_quantity:
if fixit != 0:
self.setQuantity(max_quantity)
else:
error_message = 'The quantity of the transaction is greater than ' \
'the transferable maximum quantity (TMQ): ' \
'TMQ = %.2f' % max_quantity
# Add error
errors.append(self._generateError(object, error_message))
return errors