############################################################################## # # Copyright (c) 2002-2005 Nexedi SARL 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 Acquisition import aq_base from AccessControl import ClassSecurityInfo from Products.ERP5Type import Permissions, PropertySheet from Products.ERP5Type.Accessor.Constant import PropertyGetter as ConstantGetter from Products.ERP5.Document.DeliveryCell import DeliveryCell class InventoryCell(DeliveryCell): """ An InventoryCell allows to define specific inventory for each variation of a resource in an inventory line. """ meta_type = 'ERP5 Inventory Cell' portal_type = 'Inventory Cell' add_permission = Permissions.AddPortalContent isInventoryMovement = ConstantGetter('isInventoryMovement', value=True) # Declarative security security = ClassSecurityInfo() security.declareObjectProtected(Permissions.AccessContentsInformation) # Declarative properties property_sheets = ( PropertySheet.Base , PropertySheet.CategoryCore , PropertySheet.Amount , PropertySheet.InventoryMovement , PropertySheet.Task , PropertySheet.Movement , PropertySheet.Price , PropertySheet.Predicate , PropertySheet.MappedValue , PropertySheet.ItemAggregation ) security.declareProtected(Permissions.AccessContentsInformation, 'getTotalInventory') def getTotalInventory(self): """ Returns the inventory if no cell or the total inventory if cells """ if not self.hasCellContent(): return self.getInventory() else: # Use MySQL aggregate = self.InventoryLine_zGetTotal()[0] return aggregate.total_inventory or 0.0 security.declareProtected(Permissions.AccessContentsInformation, 'getQuantity') def getQuantity(self): """ Computes a quantity which allows to reach inventory """ if not self.hasCellContent(): # First check if quantity already exists quantity = self._baseGetQuantity() if quantity not in (0.0, 0, None): return quantity # Make sure inventory is defined somewhere (here or parent) if getattr(aq_base(self), 'inventory', None) is None: return 0.0 # No inventory defined, so no quantity return self.getInventory() else: return None # Inventory cataloging security.declareProtected(Permissions.AccessContentsInformation, 'getConvertedInventory') def getConvertedInventory(self): """ provides a default inventory value - None since no inventory was defined. """ return self.getInventory() # XXX quantity unit is missing