workflows: allow a card to modify itself (#53789)

tests/test_workflows.py

@@ -6915,6 +6915,57 @@ def test_edit_carddata_manual_targeting(two_pubs):
     assert carddef.data_class().get(7).data['2'] == '3'
 
 
+def test_edit_carddata_targeting_itself(pub):
+    CardDef.wipe()
+    carddef = CardDef()
+    carddef.name = 'Foo Card'
+    carddef.fields = [
+        StringField(id='0', label='foo', varname='foo'),
+    ]
+    carddef.store()
+    carddef.data_class().wipe()
+
+    # card workflow: update itself then jump to second status
+    card_wf = Workflow(name='Card workflow')
+    st1 = card_wf.add_status('Status1')
+    st2 = card_wf.add_status('Status2')
+
+    edit = EditCarddataWorkflowStatusItem()
+    edit.id = '_edit'
+    edit.formdef_slug = carddef.url_name
+    edit.target_mode = 'manual'
+    edit.target_id = '{{ form_internal_id }}'  # itself
+    edit.mappings = [
+        Mapping(field_id='0', expression='bar {{ form_internal_id }}'),
+    ]
+    edit.parent = st1
+    st1.items.append(edit)
+
+    jump = JumpWorkflowStatusItem()
+    jump.id = '_jump'
+    jump.status = st2.id
+    st1.items.append(jump)
+    jump.parent = st1
+
+    card_wf.store()
+
+    carddef.workflow = card_wf
+    carddef.store()
+
+    # create some cardata
+    for i in range(1, 4):
+        carddata = carddef.data_class()()
+        carddata.data = {
+            '0': 'foo %s' % i,
+        }
+        carddata.store()
+        # run workflow, verify that carddata is modified
+        carddata.just_created()
+        carddata.perform_workflow()
+        assert carddata.data['0'] == 'bar %s' % carddata.id
+        assert carddata.status == 'wf-%s' % st2.id
+
+
 def test_edit_carddata_from_created_object(pub):
     FormDef.wipe()
     CardDef.wipe()

wcs/wf/edit_carddata.py

@@ -47,10 +47,15 @@ class EditCarddataWorkflowStatusItem(CreateCarddataWorkflowStatusItem, ExternalW
         if not carddef:
             return
 
+        formdata.store()
+
         for target_data in self.iter_target_datas(formdata, carddef):
             self.apply_mappings(dest=target_data, src=formdata)
             with get_publisher().substitutions.freeze():
                 target_data.store()
 
+        # update local object as it may have modified itself
+        formdata.refresh_from_storage()
+
 
 register_item_class(EditCarddataWorkflowStatusItem)