Added way to send url previews

sendUri(link, message) will send the preview for link below the message in chat

fbchat/_client.py

@@ -1066,6 +1066,52 @@ def sendMessage(self, message, thread_id=None, thread_type=ThreadType.USER):
  Message(text=message), thread_id=thread_id, thread_type=thread_type
  )
 
+ def sendUri(self, uri, message=None, thread_id=None, thread_type=ThreadType.USER):
+ """Send a uri preview to a thread.
+
+ Args:
+ uri: uri to preview
+ message (Message): Message to send
+ thread_id: User/Group ID to send to. See :ref:`intro_threads`
+ thread_type (ThreadType): See :ref:`intro_threads`
+
+ Returns:
+ :ref:`Message ID <intro_message_ids>` of the sent message
+
+ Raises:
+ FBchatException: If request failed
+ """
+
+ urlData = self._state._uri_share_data({"uri": uri})
+ thread_id, thread_type = self._getThread(thread_id, thread_type)
+ thread = thread_type._to_class()(thread_id)
+ data = thread._to_send_data()
+ if message is not None:
+ data.update(message._to_send_data())
+ data["action_type"] = "ma-type:user-generated-message"
+ data["shareable_attachment[share_type]"] = urlData["share_type"]
+ # most uri params will come back as dict
+ if isinstance(urlData["share_params"], dict):
+ data["has_attachment"] = True
+ for key in urlData["share_params"]:
+ if isinstance(urlData["share_params"][key], dict):
+ for key2 in urlData["share_params"][key]:
+ data[
+ "shareable_attachment[share_params][{}][{}]".format(
+ key, key2
+ )
+ ] = urlData["share_params"][key][key2]
+ else:
+ data[
+ "shareable_attachment[share_params][{}]".format(key)
+ ] = urlData["share_params"][key]
+ # some (such as facebook profile pages) will just be a list
+ else:
+ data["has_attachment"] = False
+ for index, val in enumerate(urlData["share_params"]):
+ data["shareable_attachment[share_params][{}]".format(index)] = val
+ return self._doSendRequest(data)
+
  def sendEmoji(
  self,
  emoji=None,

fbchat/_state.py

@@ -329,3 +329,10 @@ def _do_send_request(self, data):
  "Error when sending message: "
  "No message IDs could be found: {}".format(j)
  )
+
+ def _uri_share_data(self, data):
+ data["image_height"] = 960
+ data["image_width"] = 960
+ data["__user"] = self.user_id
+ j = self._post("/message_share_attachment/fromURI/", data)
+ return j["payload"]["share_data"]