PropertyMapping.py 2.85 KB
##############################################################################
#
# Copyright (c) 2010 Nexedi SA and Contributors. All Rights Reserved.
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# This program is Free Software; you can redistribute it and/or
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from AccessControl import ClassSecurityInfo
from Products.ERP5Type import Permissions, PropertySheet
from Products.ERP5Type.XMLObject import XMLObject

class PropertyMapping(XMLObject):
  """
  Property Mapping object describes how properties or categories are
  mapped, eg. use source as destination, use destination as source, use
  quantity as -quantity, etc.

  TODO:
  - make sure naming is consistent with MappedValue document class
    and rename if needed (XXX-JPS)
  """
  meta_type = 'ERP5 Property Mapping'
  portal_type = 'Property Mapping'
  add_permission = Permissions.AddPortalContent

  # Declarative security
  security = ClassSecurityInfo()
  security.declareObjectProtected(Permissions.AccessContentsInformation)

  # Declarative properties
  property_sheets = (PropertySheet.Base,
                     PropertySheet.SimpleItem,
                     PropertySheet.CategoryCore,
                     PropertySheet.PropertyMapping)

  security.declareProtected(Permissions.AccessContentsInformation,
                            'getMappedValue')
  def getMappedValue(self, document, property):
    if property.endswith('_list'):
      property = property[:-5]
      getProperty = document.getPropertyList
    else:
      getProperty = document.getProperty
    mapping_dict = dict([[x.strip() for x in x.split('|')] \
                         for x in self.getMappingPropertyList()])
    mapped_property = mapping_dict.get(property, property)
    if mapped_property.startswith('-'):
      return -1 * getProperty(mapped_property[1:])
    else:
      return getProperty(mapped_property)