From 8b0f0cdaf63a7d5e4b4381080ddd2051eb81c9cd Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Fri, 22 Nov 2019 00:02:09 +0300
Subject: [PATCH] Add support for hiding message edit date via server-side
 flag.

GitOrigin-RevId: 675035e0b7d087da9ec76c2e104fb8ba23f07c18
---
 td/telegram/MessagesManager.cpp | 14 ++++++++++++--
 td/telegram/MessagesManager.h   |  1 +
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/td/telegram/MessagesManager.cpp b/td/telegram/MessagesManager.cpp
index ed9decce..1d67d1c8 100644
--- a/td/telegram/MessagesManager.cpp
+++ b/td/telegram/MessagesManager.cpp
@@ -3824,6 +3824,7 @@ void MessagesManager::Message::store(StorerT &storer) const {
     STORE_FLAG(is_bot_start_message);
     STORE_FLAG(has_real_forward_from);
     STORE_FLAG(has_legacy_layer);
+    STORE_FLAG(hide_edit_date);
     END_STORE_FLAGS();
   }
 
@@ -3970,6 +3971,7 @@ void MessagesManager::Message::parse(ParserT &parser) {
     PARSE_FLAG(is_bot_start_message);
     PARSE_FLAG(has_real_forward_from);
     PARSE_FLAG(has_legacy_layer);
+    PARSE_FLAG(hide_edit_date);
     END_PARSE_FLAGS();
   }
 
@@ -16462,10 +16464,11 @@ tl_object_ptr<td_api::message> MessagesManager::get_message_object(DialogId dial
   auto reply_to_message_id = for_event_log ? static_cast<int64>(0) : m->reply_to_message_id.get();
   bool contains_unread_mention = for_event_log ? false : m->contains_unread_mention;
   auto live_location_date = m->is_failed_to_send ? 0 : m->date;
+  auto edit_date = m->hide_edit_date ? 0 : m->edit_date;
   return make_tl_object<td_api::message>(
       m->message_id.get(), td_->contacts_manager_->get_user_id_object(m->sender_user_id, "sender_user_id"),
       dialog_id.get(), std::move(sending_state), is_outgoing, can_be_edited, can_be_forwarded, can_delete_for_self,
-      can_delete_for_all_users, m->is_channel_post, contains_unread_mention, m->date, m->edit_date,
+      can_delete_for_all_users, m->is_channel_post, contains_unread_mention, m->date, edit_date,
       get_message_forward_info_object(m->forward_info), reply_to_message_id, ttl, ttl_expires_in,
       td_->contacts_manager_->get_user_id_object(m->via_bot_user_id, "via_bot_user_id"), m->author_signature, m->views,
       media_album_id, get_message_content_object(m->content.get(), td_, live_location_date, m->is_content_secret),
@@ -21126,8 +21129,9 @@ void MessagesManager::send_update_message_content(DialogId dialog_id, MessageId
 void MessagesManager::send_update_message_edited(DialogId dialog_id, const Message *m) {
   CHECK(m != nullptr);
   cancel_user_dialog_action(dialog_id, m);
+  auto edit_date = m->hide_edit_date ? 0 : m->edit_date;
   send_closure(G()->td(), &Td::send_update,
-               make_tl_object<td_api::updateMessageEdited>(dialog_id.get(), m->message_id.get(), m->edit_date,
+               make_tl_object<td_api::updateMessageEdited>(dialog_id.get(), m->message_id.get(), edit_date,
                                                            get_reply_markup_object(m->reply_markup)));
 }
 
@@ -25491,6 +25495,12 @@ bool MessagesManager::update_message(Dialog *d, unique_ptr<Message> &old_message
     LOG(DEBUG) << "Update message media_album_id";
     need_send_update = true;
   }
+  if (old_message->hide_edit_date != new_message->hide_edit_date) {
+    old_message->hide_edit_date = new_message->hide_edit_date;
+    if (old_message->edit_date > 0) {
+      need_send_update = true;
+    }
+  }
 
   if (old_message->edit_date > 0) {
     // inline keyboard can be edited
diff --git a/td/telegram/MessagesManager.h b/td/telegram/MessagesManager.h
index 758ddd45..d7a7a69d 100644
--- a/td/telegram/MessagesManager.h
+++ b/td/telegram/MessagesManager.h
@@ -903,6 +903,7 @@ class MessagesManager : public Actor {
     bool disable_notification = false;
     bool contains_mention = false;
     bool contains_unread_mention = false;
+    bool hide_edit_date = false;
     bool had_reply_markup = false;  // had non-inline reply markup?
     bool had_forward_info = false;
     bool is_content_secret = false;  // should be shown only while tapped