Verify uniqueness of doc identifier upon submission

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@9934 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_dms/WorkflowTemplateItem/portal_workflow/document_publication_workflow/scripts/checkUniqueCoordinates.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <tuple>
+        <tuple>
+          <string>Products.PythonScripts.PythonScript</string>
+          <string>PythonScript</string>
+        </tuple>
+        <none/>
+      </tuple>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>Python_magic</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>Script_magic</string> </key>
+            <value> <int>3</int> </value>
+        </item>
+        <item>
+            <key> <string>__ac_local_roles__</string> </key>
+            <value>
+              <none/>
+            </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 encoding="cdata"><![CDATA[
+
+from Products.DCWorkflow.DCWorkflow import ValidationFailed\n
+\n
+err=\'\'\n
+o=state_change.object\n
+for req in (\'reference\', \'language\', \'version\'):\n
+  if o.getProperty(req) is None or o.getProperty(req)==\'\':\n
+    err+=\'E: %s is None  \' % req\n
+if err:\n
+  raise ValidationFailed(err)\n
+res=context.portal_catalog(reference=o.getReference())\n
+res=[r.getObject() for r in res]\n
+res=filter(lambda r:r.getLanguage()==o.getLanguage() and r.getVersion()==o.getVersion(),res)\n
+if len(res)==2: # this and the other one\n
+  raise ValidationFailed(\'E: another object %s - %s - %s exists\' % (o.getReference(),o.getLanguage(),o.getVersion()))\n
+if len(res)>2:\n
+  raise Exception(\'Fatal error: multiple objects %s - %s - %s exist\' % (o.getReference(),o.getLanguage(),o.getVersion()))\n
+
+
+]]></string> </value>
+        </item>
+        <item>
+            <key> <string>_code</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>_filepath</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>_params</string> </key>
+            <value> <string>state_change</string> </value>
+        </item>
+        <item>
+            <key> <string>errors</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>func_code</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="FuncCode" module="Shared.DC.Scripts.Signature"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>co_argcount</string> </key>
+                        <value> <int>1</int> </value>
+                    </item>
+                    <item>
+                        <key> <string>co_varnames</string> </key>
+                        <value>
+                          <tuple>
+                            <string>state_change</string>
+                            <string>Products.DCWorkflow.DCWorkflow</string>
+                            <string>ValidationFailed</string>
+                            <string>err</string>
+                            <string>_getattr_</string>
+                            <string>o</string>
+                            <string>_getiter_</string>
+                            <string>req</string>
+                            <string>None</string>
+                            <string>context</string>
+                            <string>res</string>
+                            <string>append</string>
+                            <string>$append0</string>
+                            <string>r</string>
+                            <string>filter</string>
+                            <string>len</string>
+                            <string>Exception</string>
+                          </tuple>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>func_defaults</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>checkUniqueCoordinates</string> </value>
+        </item>
+        <item>
+            <key> <string>warnings</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>

bt5/erp5_dms/WorkflowTemplateItem/portal_workflow/document_publication_workflow/transitions/submit_action.xml

@@ -54,7 +54,7 @@
         </item>
         <item>
             <key> <string>script_name</string> </key>
-            <value> <string></string> </value>
+            <value> <string>checkUniqueCoordinates</string> </value>
         </item>
         <item>
             <key> <string>title</string> </key>