From a3efa7702a0b2f54722b78032f78bfa4c05ea610 Mon Sep 17 00:00:00 2001
From: Kacper Ziubryniewicz <kapi2289@gmail.com>
Date: Sat, 23 Mar 2019 21:26:43 +0100
Subject: [PATCH] Add possibility to reply to messages

 and to (partly) fetch the replied messages
---
 fbchat/_client.py  | 17 ++++++++++-------
 fbchat/_graphql.py |  2 ++
 fbchat/_message.py |  4 ++++
 3 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/fbchat/_client.py b/fbchat/_client.py
index a4a363d..3cd0c3b 100644
--- a/fbchat/_client.py
+++ b/fbchat/_client.py
@@ -390,9 +390,9 @@ class Client(object):
         if "home" in r.url:
             return r
 
-        del (data["approvals_code"])
-        del (data["submit[Submit Code]"])
-        del (data["codes_submitted"])
+        del data["approvals_code"]
+        del data["submit[Submit Code]"]
+        del data["codes_submitted"]
 
         data["name_action_selected"] = "save_device"
         data["submit[Continue]"] = "Continue"
@@ -404,7 +404,7 @@ class Client(object):
         if "home" in r.url:
             return r
 
-        del (data["name_action_selected"])
+        del data["name_action_selected"]
         log.info(
             "Starting Facebook checkup flow."
         )  # At this stage, we have dtsg, nh, submit[Continue]
@@ -413,7 +413,7 @@ class Client(object):
         if "home" in r.url:
             return r
 
-        del (data["submit[Continue]"])
+        del data["submit[Continue]"]
         data["submit[This was me]"] = "This Was Me"
         log.info(
             "Verifying login attempt."
@@ -423,7 +423,7 @@ class Client(object):
         if "home" in r.url:
             return r
 
-        del (data["submit[This was me]"])
+        del data["submit[This was me]"]
         data["submit[Continue]"] = "Continue"
         data["name_action_selected"] = "save_device"
         log.info(
@@ -1084,7 +1084,7 @@ class Client(object):
 
         j = self.graphql_request(
             GraphQL(
-                doc_id="1386147188135407",
+                doc_id="1860982147341344",
                 params={
                     "id": thread_id,
                     "message_limit": limit,
@@ -1379,6 +1379,9 @@ class Client(object):
                 xmd["quick_replies"] = xmd["quick_replies"][0]
             data["platform_xmd"] = json.dumps(xmd)
 
+        if message.reply_to_id:
+            data["replied_to_message_id"] = message.reply_to_id
+
         return data
 
     def _doSendRequest(self, data, get_thread_id=False):
diff --git a/fbchat/_graphql.py b/fbchat/_graphql.py
index 4bf8cab..ea8c56a 100644
--- a/fbchat/_graphql.py
+++ b/fbchat/_graphql.py
@@ -401,6 +401,8 @@ def graphql_to_message(message):
             rtn.unsent = True
         elif attachment:
             rtn.attachments.append(attachment)
+    if message.get("replied_to_message") is not None:
+        rtn.replied_to = graphql_to_message(message["replied_to_message"]["message"])
     return rtn
 
 
diff --git a/fbchat/_message.py b/fbchat/_message.py
index 3f6f03d..3203778 100644
--- a/fbchat/_message.py
+++ b/fbchat/_message.py
@@ -68,6 +68,10 @@ class Message(object):
     quick_replies = attr.ib(factory=list, converter=lambda x: [] if x is None else x)
     #: Whether the message is unsent (deleted for everyone)
     unsent = attr.ib(False, init=False)
+    #: Message ID you want to reply to
+    reply_to_id = attr.ib(None)
+    #: Replied message
+    replied_to = attr.ib(None, init=False)
 
     @classmethod
     def formatMentions(cls, text, *args, **kwargs):