Item.py 4.26 KB
Newer Older
Jean-Paul Smets's avatar
Jean-Paul Smets committed
1 2 3
##############################################################################
#
# Copyright (c) 2002 Nexedi SARL and Contributors. All Rights Reserved.
4
#                    Jean-Paul Smets-Solanes <jp@nexedi.com>
5
#                    Guillaume Michon        <guillaume@nexedi.com>
Jean-Paul Smets's avatar
Jean-Paul Smets committed
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
#
# 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 Globals import InitializeClass, PersistentMapping
from AccessControl import ClassSecurityInfo

33
from DateTime import DateTime
34
from string import capitalize
35

Jean-Paul Smets's avatar
Jean-Paul Smets committed
36 37
from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
from Products.ERP5Type.XMLObject import XMLObject
38 39
from Products.ERP5Type.DateUtils import addToDate, getClosestDate, getIntervalBetweenDates 
from Products.ERP5Type.DateUtils import getMonthAndDaysBetween, getRoundedMonthBetween
Sebastien Robin's avatar
Sebastien Robin committed
40
from Products.ERP5Type.DateUtils import getMonthFraction, getYearFraction, getBissextilCompliantYearFraction
41
from Products.ERP5Type.DateUtils import same_movement_interval, number_of_months_in_year, centis, millis
42
from Products.ERP5.Document.Amount import Amount
43 44
from Products.CMFCore.WorkflowCore import WorkflowMethod
from Products.CMFCore.utils import getToolByName
45
from Products.ERP5.Document.ImmobilisableItem import ImmobilisableItem
46 47 48

from zLOG import LOG

49 50 51 52

NEGLIGEABLE_PRICE = 10e-8


53
class Item(XMLObject, Amount, ImmobilisableItem):
Jean-Paul Smets's avatar
Jean-Paul Smets committed
54 55 56 57 58 59
    """
      Items in ERP5 are intended to provide a way to track objects
    """

    meta_type = 'ERP5 Item'
    portal_type = 'Item'
60
    add_permission = Permissions.AddPortalContent
Jean-Paul Smets's avatar
Jean-Paul Smets committed
61 62 63 64 65
    isPortalContent = 1
    isRADContent = 1

    # Declarative security
    security = ClassSecurityInfo()
66
    security.declareObjectProtected(Permissions.AccessContentsInformation)
Jean-Paul Smets's avatar
Jean-Paul Smets committed
67 68 69 70 71 72 73 74 75 76 77 78

    # Declarative properties
    property_sheets = ( PropertySheet.Base
                      , PropertySheet.XMLObject
                      , PropertySheet.CategoryCore
                      , PropertySheet.DublinCore
                      , PropertySheet.Price
                      , PropertySheet.Item
                      , PropertySheet.Amount
                      , PropertySheet.Reference
                      )

79 80 81 82 83 84 85 86 87 88 89
    if 0:
      # The following code is disabled. The original intention was to generate
      # an unique reference for each item. We now use reference instead of id,
      # so this is not applicable any longer. We need something different for
      # reference.
      security.declareProtected(Permissions.ModifyPortalContent,'generateNewId')
      def generateNewId(self, id_group='item_id_group', default=None, method=None):
        """
        We want a different id for all Item
        """
        return XMLObject.generateNewId(self, id_group=id_group, default=default, method=method)
90

91
    def getPrice(self,context=None,**kw):
92 93 94 95 96 97 98 99
      """
        Get the Price in the context.

        If price is not stored locally, lookup a price
      """
      local_price = self._baseGetPrice()
      if local_price is None:
        # We must find a price for this movement
Sebastien Robin's avatar
Sebastien Robin committed
100
        # XXX we should not set a resource on item
101 102 103 104 105 106
        resource = self.getResourceValue()
        if resource is not None:
          local_price = resource.getPrice(self.asContext( context=context, **kw))
      return local_price