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from Products.ERP5.Document.MovementGroup import MovementGroup

class RequirementMovementGroup(MovementGroup):
  """
  This movement group is used to group movements that have the same
  requirement.
  """
  meta_type = 'ERP5 Requirement Movement Group'
  portal_type = 'Requirement Movement Group'

  def _getPropertyDict(self, movement, **kw):
    return {'requirement':self._getRequirementList(movement)}

  def test(self, movement, property_dict, **kw):
    # We can always update
    return True, property_dict

  def _getRequirementList(self, movement):
    root_movement = movement.getRootSimulationMovement()
    # 'order' category is deprecated. it is kept for compatibility.
    order_value = root_movement.getOrderValue()
    if order_value is None:
      order_value = root_movement.getDeliveryValue()
    requirement_list = []
    if order_value is not None:
      if 'Line' in order_value.getPortalType():
        requirement_list = order_value.getRequirementList()
    return requirement_list
