diff --git a/product/ERP5/Document/TransactionQuantityValueValidityConstraint.py b/product/ERP5/Document/TransactionQuantityValueValidityConstraint.py new file mode 100644 index 0000000000000000000000000000000000000000..d77987a8a8cbcf8ab95254be534a50f1e680af19 --- /dev/null +++ b/product/ERP5/Document/TransactionQuantityValueValidityConstraint.py @@ -0,0 +1,79 @@ +############################################################################## +# +# 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' + + property_sheets = (PropertySheet.SimpleItem, + PropertySheet.Predicate, + PropertySheet.Reference) + + def checkConsistency(self, object, fixit=0): + """ + Check if the quantity of the transaction is greater than the + balance of the source. + """ + if not self.test(object): + return [] + + 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