Add generic Credit Note creation script.

bt5/erp5_invoicing/SkinTemplateItem/portal_skins/erp5_invoicing/Invoice_createCreditNoteInvoice.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="PythonScript" module="Products.PythonScripts.PythonScript"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>Script_magic</string> </key>
+            <value> <int>3</int> </value>
+        </item>
+        <item>
+            <key> <string>_bind_names</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>_asgns</string> </key>
+                        <value>
+                          <dictionary>
+                            <item>
+                                <key> <string>name_container</string> </key>
+                                <value> <string>container</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_context</string> </key>
+                                <value> <string>context</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_m_self</string> </key>
+                                <value> <string>script</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_subpath</string> </key>
+                                <value> <string>traverse_subpath</string> </value>
+                            </item>
+                          </dictionary>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>_body</string> </key>
+            <value> <string>"""\n
+This script is supposed to be the common denominator for invoice reversing operations.\n
+Instead of extending it, call it from project-specific script and edit returned document (or its lines).\n
+"""\n
+\n
+portal = context.getPortalObject()\n
+reverse_invoice = context.getParentValue().newContent(\n
+  portal_type=context.getPortalType(),\n
+  created_by_builder=1, # tell init script to not create lines\n
+  # Copy over all Arrow-ish relations\n
+  # XXX: it would be cleaner to query property sheet definition and check it applies to context\n
+  category_list=[x for x in context.getCategoryList() if x.startswith(\'source\') or x.startswith(\'destination\')],\n
+)\n
+# Separate edit to have stable outcome WRT category_list\n
+reverse_invoice.edit(\n
+  causality_value_list=context.getCausalityValueList() + [context],\n
+  specialise_list=context.getSpecialiseList(),\n
+  price_currency_list=context.getPriceCurrencyList(),\n
+  resource_list=context.getResourceList(),\n
+)\n
+newContent = reverse_invoice.newContent\n
+for line in context.objectValues():\n
+  if not line.isGeneratedBySimulation():\n
+    newContent(\n
+      description=line.getDescription(),\n
+      int_index=line.getIntIndex(),\n
+      portal_type=line.getPortalType(),\n
+      price=line.getPrice(),\n
+      quantity=-line.getQuantity(), # Notice the "-" !\n
+      reference=line.getReference(),\n
+      category_list=line.getCategoryList(),\n
+    )\n
+return reverse_invoice\n
+</string> </value>
+        </item>
+        <item>
+            <key> <string>_params</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>Invoice_createCreditNoteInvoice</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>

bt5/erp5_invoicing/bt/revision

-390
+391
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