api: publish formdef workflow functions (#8589)

tests/test_api.py

@@ -228,11 +228,16 @@ def test_get_user_compat_endpoint(local_user):
     assert output.json['user_display_name'] == u'Jean Darmette'
 
 def test_formdef_list():
+    Role.wipe()
+    role = Role(name='Foo bar')
+    role.store()
+
     FormDef.wipe()
     formdef = FormDef()
     formdef.name = 'test'
     formdef.description = 'plop'
     formdef.keywords = 'mobile, test'
+    formdef.workflow_roles = {'_receiver': str(role.id)}
     formdef.fields = []
     formdef.store()
 
@@ -246,6 +251,11 @@ def test_formdef_list():
     assert resp1.json[0]['redirection'] == False
     assert resp1.json[0]['description'] == 'plop'
     assert resp1.json[0]['keywords'] == ['mobile', 'test']
+    assert resp1.json[0]['functions'].keys() == ['_receiver']
+    assert resp1.json[0]['functions']['_receiver']['label'] == 'Recipient'
+    assert len(resp1.json[0]['functions']['_receiver']['roles']) == 1
+    assert resp1.json[0]['functions']['_receiver']['roles'][0]['slug'] == role.slug
+    assert resp1.json[0]['functions']['_receiver']['roles'][0]['name'] == role.name
 
 def test_formdef_list_redirection():
     FormDef.wipe()

wcs/api.py

@@ -288,6 +288,14 @@ class ApiFormdefsDirectory(Directory):
             # them by popularity
             formdict['count'] = formdef.data_class().count()
 
+            formdict['functions'] = {}
+            formdef_workflow_roles = formdef.workflow_roles or {}
+            for (wf_role_id, wf_role_label) in formdef.workflow.roles.items():
+                workflow_function = {'label': wf_role_label}
+                workflow_function['roles'] = [Role.get(x).get_json_export_dict()
+                        for x in formdef_workflow_roles.get(wf_role_id) or []]
+                formdict['functions'][wf_role_id] = workflow_function
+
             if formdef.category:
                 formdict['category'] = unicode(formdef.category.name, charset)
                 formdict['category_position'] = (formdef.category.position or 0)