############################################################################## # # Copyright (c) 2010 Nexedi SA and Contributors. All Rights Reserved. # # WARNING: This program as such is intended to be used by professional # programmers who take the whole responsibility 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 # guarantees 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. # ############################################################################## from AccessControl import ClassSecurityInfo from Products.ERP5Type import Permissions, PropertySheet from Products.ERP5Type.XMLObject import XMLObject class MappedProperty(XMLObject): """ Mapped Property object describes how properties or categories are mapped, eg. use source as destination, use destination as source, use quantity as -quantity, etc. """ meta_type = 'ERP5 Mapped Property' portal_type = 'Mapped Property' add_permission = Permissions.AddPortalContent # Declarative security security = ClassSecurityInfo() security.declareObjectProtected(Permissions.AccessContentsInformation) # Declarative properties property_sheets = (PropertySheet.Base, PropertySheet.SimpleItem, PropertySheet.CategoryCore, PropertySheet.MappedProperty) # XXX do we need to protect this method? def getMappingDict(self, reverse=False): # Use volatile attributes for caching. try: if reverse: return self._v_reverse_mapping_dict else: return self._v_mapping_dict except AttributeError: mapping_dict = {} for line in self.getMappingPropertyList(): f, t = [x.strip() for x in line.split('|', 1)] if reverse: if t[:1] == '-': f, t = t[1:], '-' + f else: f, t = t, f mapping_dict[f] = t else: mapping_dict[f] = t if reverse: self._v_reverse_mapping_dict = mapping_dict else: self._v_mapping_dict = mapping_dict return mapping_dict # XXX do we need to protect this method? def getMappedPropertyId(self, property, reverse=False): return self.getMappingDict(reverse=reverse).get(property, property) # Security should be handled by the target document not by the mapped # property document. security.declarePublic('getMappedProperty') def getMappedProperty(self, document, property): if property.endswith('_list'): property = property[:-5] getProperty = document.getPropertyList else: getProperty = document.getProperty mapping_dict = self.getMappingDict() mapped_property = mapping_dict.get(property, property) if mapped_property.startswith('-'): return -1 * getProperty(mapped_property[1:]) else: return getProperty(mapped_property) # Security should be handled by the target document not by the mapped # property document. security.declarePublic('setMappedProperty') def setMappedProperty(self, document, property, value): if property.endswith('_list'): # XXX-Leo: This won't work for 'variation_category_list' # calling document.setPropertyList('variation_category_list', value) # breaks with: # TypeError: A mono valued property must be set with a list of len 1 property = property[:-5] setProperty = document.setPropertyList else: setProperty = document.setProperty mapping_dict = self.getMappingDict(reverse=True) mapped_property = mapping_dict.get(property, property) if mapped_property.startswith('-'): return setProperty(mapped_property[1:], -1 * value) else: return setProperty(mapped_property, value)