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# Copyright (c) 2008 Nexedi SA and Contributors. All Rights Reserved.
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from Products.ERP5.Document.MovementGroup import MovementGroup
from Products.ERP5Type.DateUtils import addToDate
from DateTime import DateTime

class DayMovementGroup(MovementGroup):
  """
  This movement group is used to group movements which belong to the same day
  """
  meta_type = 'ERP5 Movement Group'
  portal_type = 'Day Movement Group'

  def _getPropertyDict(self, movement, **kw):
    property_dict = {}
    start_date = self._getStartDate(movement)
    property_dict['start_date'] = start_date
    property_dict['stop_date'] = addToDate(start_date, day=1)
    return property_dict

  def test(self, object, property_dict, **kw):
    start_date = property_dict['start_date']
    stop_date = property_dict['stop_date']
    if object.getStartDate() <= start_date < stop_date <= object.getStopDate():
      return True, property_dict
    else:
      return False, property_dict

  def _getStartDate(self, movement):
    start_date = DateTime(movement.getStartDate() is not None and\
                          movement.getStartDate().Date() or None)
    return start_date
