- trade model line to define trade models (taxes, discounts, commissions, etc)

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@26650 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/TradeModelLine.py

+# -*- coding: utf8 -*-
+##############################################################################
+#
+# Copyright (c) 2009 Nexedi SA and Contributors. All Rights Reserved.
+#                    Łukasz Nowak <luke@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, Constraint, Interface
+
+from Products.ERP5.Document.Amount import Amount
+
+from Products.ERP5.AggregatedAmountList import AggregatedAmountList
+import zope.interface
+
+class TradeModelLine(Amount):
+    """Trade Model Line
+    """
+    meta_type = 'ERP5 Trade Model Line'
+    portal_type = 'Trade Model Line'
+
+    # Declarative security
+    security = ClassSecurityInfo()
+    security.declareObjectProtected(Permissions.AccessContentsInformation)
+
+    # Declarative interfaces
+    # Interface.IVariated - as soon as Interface.Variated will be zope3
+    zope.interface.implements(
+        Interface.ITransformation
+    )
+
+    # Declarative properties
+    property_sheets = ( PropertySheet.Base
+                    , PropertySheet.SimpleItem
+                    , PropertySheet.Amount
+                    , PropertySheet.Price
+                    , PropertySheet.TradeModelLine
+                    )
+
+    def getPrice(self):
+      return self._baseGetPrice()
+
+    def updateAggregatedAmountList(self, context, **kw):
+      raise NotImplementedError('TODO')
+
+    def getAggregatedAmountList(self, context, movement_list = None,
+        current_aggregated_amount_list = None, **kw):
+
+      from Products.ERP5Type.Document import newTempMovement
+
+      if current_aggregated_amount_list is None:
+        current_aggregated_amount_list = []
+
+      if movement_list is None:
+        movement_list = []
+
+      if len(movement_list) == 0:
+        if context.getPortalType() == 'Applied Rule':
+          movement_list = [context.getParentValue()]
+        else:
+          if callable(context.isMovement):
+            is_movement = context.isMovement()
+          else:
+            is_movement = context.isMovement
+          if is_movement:
+            # we need to create aggreageted amount on context itself
+            movement_list = [context]
+          else:
+            # we need to create aggregated amount on context's movements
+            # do not use resources, which use category use
+            # XXX This is not so good - on Invoice with movements having such
+            # resource we shall treat those lines as applying or not?
+            # it would be nice to use:
+            # context.getMovementList(related_resource_use_uid = \
+            #   context.portal_preferences.getPreferredNormalUseUidList())
+            # But getMovementList works with objectValues, do not support
+            # filtering.
+            movement_list = []
+            for movement in context.getMovementList():
+              movement_resource = movement.getResourceValue()
+              if movement_resource is not None:
+                if movement_resource.getUse() not in ['', None]:
+                  continue
+              movement_list.append(movement)
+      aggregated_amount_list = AggregatedAmountList()
+      base_application_list = self.getBaseApplicationList()
+
+      self_id = self.getParentValue().getId() + '_' + self.getId()
+
+      tmp_movement = [q for q in current_aggregated_amount_list \
+          if q.getProperty('resource') == self.getResource() ]
+      if len(tmp_movement) > 0:
+        tmp_movement = tmp_movement[0]
+        update = 1
+      else:
+        update = 0
+        tmp_movement = newTempMovement(self.getPortalObject(), self_id )
+        tmp_movement.edit(
+          causality = self.getRelativeUrl(),
+          resource = self.getResource(),
+          base_application_list = base_application_list,
+          base_contribution_list = self.getBaseContributionList(),
+          price = self.getPrice(),
+          trade_phase_list = self.getTradePhaseList(),
+        )
+
+      modified = 0
+      for movement in movement_list:
+        if set(base_application_list)\
+            .intersection(set(movement.getBaseContributionList())):
+          quantity = tmp_movement.getQuantity(0.0)
+          modified = 1
+          tmp_movement.edit(
+            quantity = quantity + movement.getTotalPrice()
+          )
+
+      if not update:
+        if modified:
+          aggregated_amount_list.append(tmp_movement)
+
+      return aggregated_amount_list
+

product/ERP5/PropertySheet/TradeModelLine.py

+# -*- coding: utf8 -*-
+##############################################################################
+#
+# Copyright (c) 2009 Nexedi SA and Contributors. All Rights Reserved.
+#                    Łukasz Nowak <luke@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 Products.CMFCore.Expression import Expression
+
+class TradeModelLine:
+  """
+    Properties which allow to define a generic Delivery Builder.
+  """
+  _properties = ( )
+  _categories = (
+        'base_application', 'base_contribution', 'trade_phase',
+      )