Resource.py 21.3 KB
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##############################################################################
#
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# Copyright (c) 2002, 2005 Nexedi SARL and Contributors. All Rights Reserved.
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#                    Jean-Paul Smets-Solanes <jp@nexedi.com>
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#                    Romain Courteaud <romain@nexedi.com>
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#
# 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 DateTime import DateTime

from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
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from Products.ERP5Type.XMLMatrix import XMLMatrix
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from Products.ERP5.Variated import Variated
from Products.ERP5.Core.Resource import Resource as CoreResource
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from Products.ERP5.Document.SupplyLine import SupplyLineMixin
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from Products.CMFCore.WorkflowCore import WorkflowMethod
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from Products.CMFCategory.Renderer import Renderer
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from Products.CMFCore.utils import getToolByName
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from zLOG import LOG

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class Resource(XMLMatrix, CoreResource, Variated):
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    """
      A Resource
    """

    meta_type = 'ERP5 Resource'
    portal_type = 'Resource'
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    add_permission = Permissions.AddPortalContent
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    isPortalContent = 1
    isRADContent = 1

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

    # Declarative interfaces
    __implements__ = ( Interface.Variated, )

    # Declarative properties
    property_sheets = ( PropertySheet.Base
                      , PropertySheet.XMLObject
                      , PropertySheet.CategoryCore
                      , PropertySheet.DublinCore
                      , PropertySheet.Price
                      , PropertySheet.Resource
                      , PropertySheet.Reference
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                      , PropertySheet.FlowCapacity
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                      , PropertySheet.VariationRange
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                      )

    # Is it OK now ?
    # The same method is at about 3 different places
    # Some genericity is needed
    security.declareProtected(Permissions.AccessContentsInformation,
                                           'getVariationRangeCategoryItemList')
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    def getVariationRangeCategoryItemList(self, base_category_list=(), base=1, 
                                          root=1, display_id='title', 
                                          display_base_category=1,
                                          current_category=None):
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        """
          Returns possible variations
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          resource.getVariationRangeCategoryItemList
            => [(display, value)]
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        """
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        result = []
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        if base_category_list is ():
          base_category_list = self.getVariationBaseCategoryList()
        elif type(base_category_list) is type('a'):
          base_category_list = (base_category_list,)
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        other_base_category_dict = dict([(i,1) for i in base_category_list])
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        try:
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          other_variations = self.searchFolder( \
                               portal_type=self.getPortalVariationTypeList())
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        except:
          other_variations = []
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        other_variations = map(lambda x: x.getObject(), other_variations)
        other_variations = filter(lambda x: x is not None, other_variations)

        for object in other_variations:
          for base_category in object.getVariationBaseCategoryList():
            if (base_category_list is ()) or \
               (base_category in base_category_list):
              other_base_category_dict[base_category] = 0
              # XXX now, call Renderer a lot of time.
              # Better implementation needed
              result.extend(Renderer(
                                   base_category=base_category, 
                                   display_base_category=display_base_category,
                                   display_none_category=0, base=base,
                                   current_category=current_category,
                                   display_id=display_id).\
                                                     render([object]))
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        other_base_category_item_list = filter(lambda x: x[1]==1, 
            other_base_category_dict.items())
        other_base_category_list = map(lambda x: x[0],
            other_base_category_item_list)
        for c in other_base_category_list:
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            result += self.portal_categories.unrestrictedTraverse(c).getBaseItemList(base=base) 
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        return result
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    security.declareProtected(Permissions.AccessContentsInformation,
                                           'getVariationRangeCategoryList')
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    def getVariationRangeCategoryList(self, base_category_list=(), base=1,
                                      root=1, current_category=None):
      """
        Returns the range of acceptable categories
        
      ## Variation API (exemple) ##
        Base categories defined:
          - colour
          - morphology
          - size
        Categories defined:
          - colour/blue
          - colour/red
          - size/Man
          - size/Woman
        Resource 'resource' created with variation_base_category_list:
            (colour, morphology, size)

        resource.getVariationRangeCategoryList
        variation   | individual variation | result
        ____________________________________________________________________________________
                    |                      | (colour/blue, colour/red, size/Man, size/Woman)
        size/Man    |                      | (colour/blue, colour/red, size/Man, size/Woman)
        colour/blue |                      | (colour/blue, colour/red, size/Man, size/Woman)
                    |  colour/1            | (colour/1, size/Man, size/Woman)
                    |  morphology/2        | (colour/blue, colour/red, size/Man, size/Woman, morphology/2)
      """
      vrcil = self.getVariationRangeCategoryItemList(
                                 base_category_list=base_category_list,
                                 base=base, root=root, 
                                 current_category=current_category)
      # display is on left
      return map(lambda x: x[1], vrcil)
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    security.declareProtected(Permissions.AccessContentsInformation,
                                           'getVariationCategoryItemList')
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    def getVariationCategoryItemList(self, base_category_list=(), 
                                     omit_individual_variation=1, base=1,
                                     current_category=None,
                                     display_base_category=1,
                                     display_id='title', **kw):
      """
        Returns variations of the resource.
        If omit_individual_variation==1, does not return individual 
        variation.
        Else, returns them.
        Display is on left.
            => [(display, value)]

        *old parameters: base=1, current_category=None, 
                         display_id='getTitle' (default value getTitleOrId)
      """
      result = Variated.getVariationCategoryItemList(self, 
                            base_category_list=base_category_list, 
                            display_base_category=display_base_category, **kw)
      if not omit_individual_variation:
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        other_variations = self.searchFolder(
                              portal_type=self.getPortalVariationTypeList())
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        other_variations = map(lambda x: x.getObject(), other_variations)
        other_variations = filter(lambda x: x is not None, other_variations)

        for object in other_variations:
          for base_category in object.getVariationBaseCategoryList():
            if (base_category_list is ()) or \
               (base_category in base_category_list):
              # XXX append object, relative_url ?
              # XXX now, call Renderer a lot of time.
              # Better implementation needed
              result.extend(Renderer(
                                   base_category=base_category, 
                                   display_base_category=display_base_category,
                                   display_none_category=0, base=base,
                                   current_category=current_category,
                                   display_id=display_id, **kw).\
                                                     render([object]))
      return result

    security.declareProtected(Permissions.AccessContentsInformation,
                              'getVariationCategoryItemList')
    def getVariationCategoryList(self, base_category_list=(),
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                                 omit_individual_variation=1,**kw):
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      """
        Returns variations of the resource.
        If omit_individual_variation==1, does not return individual 
        variation.
        Else, returns them.

        ## Variation API (exemple) ##
        Base categories defined:
          - colour
          - morphology
          - size
        Categories defined:
          - colour/blue
          - colour/red
          - size/Man
          - size/Woman
        Resource 'resource' created with variation_base_category_list:
            (colour, morphology, size)

        resource.getVariationCategoryList
        variation   | individual variation | result
        _____________________________________________________
                    |                      | ()
        size/Man    |                      | (size/Man, )
        colour/blue |                      | (colour/blue, )
                    |  colour/1            | (colour/1, )
                    |  morphology/2        | (morphology/2, )
      """
      vcil = self.getVariationCategoryItemList(
                          base_category_list=base_category_list,
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                          omit_individual_variation=omit_individual_variation,**kw)
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      return map(lambda x: x[1], vcil)
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    # Unit conversion
    security.declareProtected(Permissions.AccessContentsInformation, 'convertQuantity')
    def convertQuantity(self, quantity, from_unit, to_unit):
      return quantity

# This patch is temporary and allows to circumvent name conflict in ZSQLCatalog process for Coramy
    security.declareProtected(Permissions.AccessContentsInformation,
                                              'getDefaultDestinationAmountBis')
    def getDefaultDestinationAmountBis(self, unit=None, variation=None, REQUEST=None):
      try:
        return self.getDestinationReference()
      except:
        return None

# This patch is temporary and allows to circumvent name conflict in ZSQLCatalog process for Coramy
    security.declareProtected(Permissions.AccessContentsInformation,
                                              'getDefaultSourceAmountBis')
    def getDefaultSourceAmountBis(self, unit=None, variation=None, REQUEST=None):
      try:
        return self.getSourceReference()
      except:
        return None


    # This patch allows variations to find a resource
    security.declareProtected(Permissions.AccessContentsInformation,
                                              'getDefaultResourceValue')
    def getDefaultResourceValue(self):
      return self


    # Stock Management
    security.declareProtected(Permissions.AccessContentsInformation, 'getInventory')
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    def getInventory(self, **kw):
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      """
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      Returns inventory
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      """
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      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getInventory(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getCurrentInventory')
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    def getCurrentInventory(self, **kw):
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      """
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      Returns current inventory
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      """
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      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getCurrentInventory(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getAvailableInventory')
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    def getAvailableInventory(self, **kw):
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      """
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      Returns available inventory
      (current inventory - deliverable)
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      """
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      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getAvailableInventory(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getFutureInventory')
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    def getFutureInventory(self, **kw):
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      """
      Returns inventory at infinite
      """
      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getFutureInventory(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getInventoryList')
    def getInventoryList(self, **kw):
      """
      Returns list of inventory grouped by section or site
      """
      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getInventoryList(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getCurrentInventoryList')
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    def getCurrentInventoryList(self, **kw):
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      """
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      Returns list of inventory grouped by section or site
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      """
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      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getCurrentInventoryList(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getFutureInventoryList')
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    def getFutureInventoryList(self, **kw):
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      """
      Returns list of inventory grouped by section or site
      """
      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getFutureInventoryList(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getInventoryStat')
    def getInventoryStat(self, **kw):
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      """
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      Returns statistics of inventory grouped by section or site
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      """
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      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getInventoryStat(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getCurrentInventoryStat')
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    def getCurrentInventoryStat(self, **kw):
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      """
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      Returns statistics of inventory grouped by section or site
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      """
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      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getCurrentInventoryStat(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getFutureInventoryStat')
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    def getFutureInventoryStat(self, **kw):
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      """
      Returns statistics of inventory grouped by section or site
      """
      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getFutureInventoryStat(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getInventoryChart')
    def getInventoryChart(self, **kw):
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      """
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      Returns list of inventory grouped by section or site
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      """
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      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getInventoryChart(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getCurrentInventoryChart')
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    def getCurrentInventoryChart(self, **kw):
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      """
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      Returns list of inventory grouped by section or site
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      """
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      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getCurrentInventoryChart(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getFutureInventoryChart')
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    def getFutureInventoryChart(self, **kw):
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      """
      Returns list of inventory grouped by section or site
      """
      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getFutureInventoryChart(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getInventoryHistoryList')
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    def getInventoryHistoryList(self, **kw):
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      """
      Returns list of inventory grouped by section or site
      """
      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getInventoryHistoryList(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getInventoryHistoryChart')
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    def getInventoryHistoryChart(self, **kw):
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      """
      Returns list of inventory grouped by section or site
      """
      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getInventoryHistoryChart(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getMovementHistoryList')
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    def getMovementHistoryList(self, **kw):
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      """
      Returns list of inventory grouped by section or site
      """
      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getMovementHistoryList(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getMovementHistoryStat')
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    def getMovementHistoryStat(self, **kw):
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      """
      Returns list of inventory grouped by section or site
      """
      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getMovementHistoryStat(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getNextNegativeInventoryDate')
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    def getNextNegativeInventoryDate(self, **kw):
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      """
      Returns list of inventory grouped by section or site
      """
      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getNextNegativeInventoryDate(**kw)
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    # Asset Price API
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    security.declareProtected(Permissions.AccessContentsInformation, 'getInventoryAssetPrice')
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    def getInventoryAssetPrice(self, **kw):
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      """
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      Returns list of inventory grouped by section or site
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      """
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      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getInventoryAssetPrice(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getCurrentInventoryAssetPrice')
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    def getCurrentInventoryAssetPrice(self, **kw):
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      """
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      Returns list of inventory grouped by section or site
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      """
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      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getCurrentInventoryAssetPrice(**kw)
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    security.declareProtected(Permissions.AccessContentsInformation, 'getAvailableInventoryAssetPrice')
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    def getAvailableInventoryAssetPrice(self, **kw):
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      """
      Returns list of inventory grouped by section or site
      """
      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getAvailableInventoryAssetPrice(**kw)

    security.declareProtected(Permissions.AccessContentsInformation, 'getFutureInventoryAssetPrice')
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    def getFutureInventoryAssetPrice(self, **kw):
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      """
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      Returns list of inventory grouped by section or site
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      """
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      kw['resource'] = self.getRelativeUrl()
      return self.portal_simulation.getFutureInventoryAssetPrice(**kw)

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    # Industrial price API
    security.declareProtected(Permissions.AccessContentsInformation, 'getIndustrialPrice')
    def getIndustrialPrice(self, context=None, REQUEST=None, **kw):
      """
        Returns industrial price
      """
      context = self.asContext(context=context, REQUEST=REQUEST, **kw)
      result = self._getIndustrialPrice(context)
      if result is None:
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        self._updateIndustrialPrice(context)
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        result = self._getIndustrialPrice(context)
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      return result
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    def _getIndustrialPrice(self, context):
      # Default value is None
      return None

    def _updateIndustrialPrice(self, context):
      # Do nothing by default
      pass
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    security.declareProtected( Permissions.ModifyPortalContent, 'validate' )
    def validate(self):
      """
      """
      pass

    validate = WorkflowMethod( validate )

    security.declareProtected( Permissions.ModifyPortalContent, 'invalidate' )
    def invalidate(self):
      """
      """
      pass

    invalidate = WorkflowMethod( invalidate )

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    # Predicate handling
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    security.declareProtected(Permissions.AccessContentsInformation, 'asPredicate')
    def asPredicate(self):
      """
      Returns a temporary Predicate based on the Resource properties
      """
      from Products.ERP5 import newTempPredicateGroup as newTempPredicate
      p = newTempPredicate(self.getId(), uid = self.getUid())
      p.setMembershipCriterionBaseCategoryList(('resource',))
      p.setMembershipCriterionCategoryList(('resource/%s' % self.getRelativeUrl(),))
      return p
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    security.declareProtected(Permissions.AccessContentsInformation, 'getPrice')
    def getPrice(self, context=None, REQUEST=None, **kw):
      """
      """
      tmp_context = self.asContext(context=context, REQUEST=REQUEST, **kw)

      domain_tool = getToolByName(self,'portal_domains')
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      portal_type_list = self.getPortalSupplyTypeList()
      mapped_value = domain_tool.generateMappedValue(tmp_context,portal_type=portal_type_list,**kw)
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      base_price = mapped_value.getBasePrice()

      unit_base_price = None
      if base_price in [None,'']:
        base_price = self.getBasePrice()
        if base_price is not None:
          priced_quantity = self.getPricedQuantity()
          unit_base_price = base_price / priced_quantity
      else:
        priced_quantity = mapped_value.getPricedQuantity()
        unit_base_price = base_price / priced_quantity

      return unit_base_price