add basic support for dialogflow messenger list response

Author: treethought

flask_assistant/response/base.py

@@ -363,6 +363,13 @@ def _add_message(self):
                 "listSelect": {"title": self._title, "items": self._items},
             }
         )
+        self._add_platform_msgs()
+
+    def _add_platform_msgs(self):
+
+        if "DIALOGFLOW_MESSENGER" in self._integrations:
+            list_resp = df_messenger._build_list(self._title, self._items)
+            self._platform_messages["DIALOGFLOW_MESSENGER"].extend(list_resp)
 
 
 class _CarouselCard(_ListSelector):

flask_assistant/response/df_messenger.py

@@ -32,3 +32,17 @@ def _build_button(link, link_title):
         "link": link,
     }
     return btn
+
+
+def _build_list(title, items):
+    list_responses = []
+    for i in items:
+        item = {
+            "type": "list",
+            "title": i["title"],
+            "subtitle": i["description"],
+            "event": {"name": "", "languageCode": "", "parameters": {}},
+        }
+        list_responses.append(item)
+
+    return list_responses