QuantitySplitSolver.py 4.47 KB
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# -*- coding: utf-8 -*-
##############################################################################
#
# Copyright (c) 2009 Nexedi SA and Contributors. All Rights Reserved.
#                    Jean-Paul Smets-Solanes <jp@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.
#
##############################################################################

import zope.interface
from AccessControl import ClassSecurityInfo
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from Acquisition import aq_base
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from Products.ERP5Type import Permissions, PropertySheet, interfaces
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from Products.ERP5Type.XMLObject import XMLObject
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from Products.ERP5.mixin.solver import SolverMixin
from Products.ERP5.mixin.configurable import ConfigurableMixin
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from Products.ERP5.MovementCollectionDiff import _getPropertyAndCategoryList
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class QuantitySplitSolver(SolverMixin, ConfigurableMixin, XMLObject):
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  """
  QUESTION: is a solver a process ? (ie. subprocess of Solver Process)
  """
  meta_type = 'ERP5 Quantity Split Solver'
  portal_type = 'Quantity Split Solver'
  add_permission = Permissions.AddPortalContent
  isIndexable = 0 # We do not want to fill the catalog with objects on which we need no reporting

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

  # Default Properties
  property_sheets = ( PropertySheet.Base
                    , PropertySheet.XMLObject
                    , PropertySheet.CategoryCore
                    , PropertySheet.DublinCore
                    , PropertySheet.Arrow
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                    , PropertySheet.TargetSolver
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                    )
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  # Declarative interfaces
  zope.interface.implements(interfaces.ISolver,
                            interfaces.IConfigurable,
                           )

  # ISolver Implementation
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  def solve(self):
    """
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    """    
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    for delivery_line in self.getDeliveryValueList(): 
      decision_quantity = delivery_line.getQuantity()
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      simulation_movement_list = delivery_line.getDeliveryRelatedValueList()
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      configuration_dict = self.getConfigurationPropertyDict()
      delivery_solver = self.portal_solvers.newDeliverySolver(
        configuration_dict['delivery_solver'], simulation_movement_list)
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      # Update the quantity using delivery solver algorithm
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      split_list = delivery_solver.setTotalQuantity(decision_quantity)
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      # Create split movements
      for (simulation_movement, split_quantity) in split_list:
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        split_index = 0
        new_id = "%s_split_%s" % (simulation_movement.getId(), split_index)
        applied_rule = simulation_movement.getParentValue()
        while getattr(aq_base(applied_rule), new_id, None) is not None:
          split_index += 1
          new_id = "%s_split_%s" % (simulation_movement.getId(), split_index)
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        # Copy at same level
        kw = _getPropertyAndCategoryList(simulation_movement)
        kw.update({'portal_type':simulation_movement.getPortalType(),
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                   'id':new_id,
                   'delivery':None,
                   'quantity':split_quantity})
        new_movement = applied_rule.newContent(**kw)
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        start_date = configuration_dict.get('start_date', None)
        if start_date is not None:
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          new_movement.recordProperty('start_date')
          new_movement.setStartDate(start_date)
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        stop_date = configuration_dict.get('stop_date', None)
        if stop_date is not None:
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          new_movement.recordProperty('stop_date')
          new_movement.setStopDate(stop_date)
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    # Finish solving
    self.succeed()