############################################################################## # # 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' __compatibility_class_name__ = 'TransactionQuantityValueValidity' 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