initial upload

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@424 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/TargetSolver/ProfitAndLoss.py

+##############################################################################
+#
+# Copyright (c) 2002 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 Products.ERP5.Tool.SimulationTool import registerTargetSolver
+from CopyToTarget import CopyToTarget
+
+class ProfitAndLoss(CopyToTarget):
+  """
+    Profit and Loss target rule.
+
+    Many 'deliverable movements' are created in the Simulation and
+    either source or destination is set to a ProfitAndLoss, depending
+    on the parent applied rule.
+  """
+
+  def solve(self, movement, new_target):
+    """
+      Movement difference as a profit (ie. a quantity coming from nowhere)
+      Accumulate into delivered movement
+    """
+    target_quantity = movement.getTargetQuantity()
+    new_target_quantity = new_target.target_quantity
+    if target_quantity != new_target_quantity:
+      previous_profit_quantity = movement.getProfitQuantity()
+      movement.setProfitQuantity(new_target_quantity - target_quantity)
+      new_profit_quantity = movement.getProfitQuantity()
+      delivery_value = movement.getDeliveryValue()
+      if delivery_value is not None:
+        delivery_value.setProfitQuantity(delivery_value.getProfitQuantity() + new_profit_quantity -  previous_profit_quantity)
+    CopyToTarget.solve(self, movement, new_target)
+
+registerTargetSolver(ProfitAndLoss)