general: store computed data fields after backoffice submission (#54928)

tests/backoffice_pages/test_submission.py

@@ -1661,3 +1661,27 @@ def test_backoffice_submission_sidebar_lateral_block(pub):
     lateral_block_url = re.findall('data-async-url="(.*/lateral-block)"', resp.text)[0]
     partial_resp = app.get(lateral_block_url)
     assert partial_resp.text == '<div class="lateral-block">foo bar blah</div>'
+
+
+def test_backoffice_submission_computed_field(pub):
+    user = create_user(pub)
+
+    FormDef.wipe()
+    formdef = FormDef()
+    formdef.name = 'form title'
+    formdef.fields = [
+        fields.ComputedField(id='1', label='computed', varname='computed', value_template='{{ "xxx" }}'),
+    ]
+    formdef.backoffice_submission_roles = user.roles[:]
+    formdef.workflow_roles = {'_receiver': user.roles[0]}
+    formdef.store()
+    formdef.data_class().wipe()
+
+    app = login(get_app(pub))
+    resp = app.get('/backoffice/submission/form-title/')
+    resp = resp.forms[0].submit('submit')  # -> validation
+    resp = resp.forms[0].submit('submit').follow()  # -> submit
+    assert 'The form has been recorded' in resp.text
+    assert formdef.data_class().count() == 1
+    formdata = formdef.data_class().select()[0]
+    assert formdata.data == {'1': 'xxx'}

wcs/backoffice/submission.py

@@ -328,6 +328,9 @@ class FormFillPage(PublicFormFillPage):
             return redirect(get_publisher().get_backoffice_url() + '/submission/')
         filled.just_created()
         filled.data = self.formdef.get_data(form)
+        magictoken = get_request().form['magictoken']
+        computed_values = get_session().get_by_magictoken('%s-computed' % magictoken, {})
+        filled.data.update(computed_values)
         filled.backoffice_submission = True
         if not filled.submission_context:
             filled.submission_context = {}