# -*- 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.
#
##############################################################################

from AccessControl import ClassSecurityInfo
from Products.ERP5Type import Permissions, PropertySheet
from erp5.component.document.SupplyLine import SupplyLine

class OpenOrderLine(SupplyLine):
  """
    An Open Order Line is a Supply Line with additional
    properties to define repeatability

  """
  meta_type = 'ERP5 Open Order Line'
  portal_type = 'Open Order Line'
  add_permission = Permissions.AddPortalContent

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

  # Declarative properties
  property_sheets = ( PropertySheet.Base
                    , PropertySheet.XMLObject
                    , PropertySheet.CategoryCore
                    , PropertySheet.Amount
                    , PropertySheet.Task
                    , PropertySheet.Arrow
                    , PropertySheet.Movement
                    , PropertySheet.Price
                    , PropertySheet.SupplyLine
                    , PropertySheet.VariationRange
                    , PropertySheet.Path
                    , PropertySheet.FlowCapacity
                    , PropertySheet.Predicate
                    , PropertySheet.Comment
                    )

  def getTotalQuantity(self, default=0):
    """Returns the total quantity for this open order line.
    If the order line contains cells, the total quantity of cells are
    returned.
    """
    if self.hasCellContent(base_id='path'):
      return sum([cell.getQuantity() for cell in
                    self.getCellValueList(base_id='path')])
    return self.getQuantity(default)

  def getTotalPrice(self):
    """Returns the total price for this open order line.
    If the order line contains cells, the total price of cells are
    returned.
    """
    if self.hasCellContent(base_id='path'):
      return sum([cell.getTotalPrice() for cell in
                    self.getCellValueList(base_id='path')])
    return SupplyLine.getTotalPrice(self)