From 974feddb4a6e09001828e2956f42207d9bbef9ee Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Wed, 28 Oct 2020 14:25:27 +0300
Subject: [PATCH] Reload full chat info after pinned message is dropped.

GitOrigin-RevId: 6cbf3d217b5da21f050715ed290cb122d6a4ef2c
---
 td/telegram/ContactsManager.cpp |  2 +-
 td/telegram/MessagesManager.cpp | 29 ++++++++++++++++++++++++++---
 td/telegram/MessagesManager.h   |  2 ++
 3 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/td/telegram/ContactsManager.cpp b/td/telegram/ContactsManager.cpp
index 494c05e8f..9efddc65f 100644
--- a/td/telegram/ContactsManager.cpp
+++ b/td/telegram/ContactsManager.cpp
@@ -12353,7 +12353,7 @@ void ContactsManager::reload_dialog_info(DialogId dialog_id, Promise<Unit> &&pro
     case DialogType::Channel:
       return reload_channel(dialog_id.get_channel_id(), std::move(promise));
     default:
-      promise.set_error(Status::Error("Invalid dialog ID to reload"));
+      return promise.set_error(Status::Error("Invalid dialog ID to reload"));
   }
 }
 
diff --git a/td/telegram/MessagesManager.cpp b/td/telegram/MessagesManager.cpp
index dae0c36d2..a5ec92d19 100644
--- a/td/telegram/MessagesManager.cpp
+++ b/td/telegram/MessagesManager.cpp
@@ -9657,7 +9657,7 @@ bool MessagesManager::update_message_is_pinned(Dialog *d, Message *m, bool is_pi
     }
   } else {
     if (m->message_id == d->last_pinned_message_id) {
-      if (d->message_count_by_index[message_search_filter_index(MessageSearchFilter::Pinned)] == 1) {
+      if (d->message_count_by_index[message_search_filter_index(MessageSearchFilter::Pinned)] == 0) {
         set_dialog_last_pinned_message_id(d, MessageId());
       } else {
         drop_dialog_last_pinned_message_id(d);
@@ -16348,6 +16348,28 @@ void MessagesManager::get_dialog_info_full(DialogId dialog_id, Promise<Unit> &&p
   }
 }
 
+void MessagesManager::reload_dialog_info_full(DialogId dialog_id) {
+  switch (dialog_id.get_type()) {
+    case DialogType::User:
+      send_closure_later(G()->contacts_manager(), &ContactsManager::reload_user_full, dialog_id.get_user_id());
+      return;
+    case DialogType::Chat:
+      send_closure_later(G()->contacts_manager(), &ContactsManager::reload_chat_full, dialog_id.get_chat_id(),
+                         Promise<Unit>());
+      return;
+    case DialogType::Channel:
+      send_closure_later(G()->contacts_manager(), &ContactsManager::reload_channel_full, dialog_id.get_channel_id(),
+                         Promise<Unit>(), "reload_dialog_info_full");
+      return;
+    case DialogType::SecretChat:
+      return;
+    case DialogType::None:
+    default:
+      UNREACHABLE();
+      return;
+  }
+}
+
 MessageId MessagesManager::get_dialog_pinned_message(DialogId dialog_id, Promise<Unit> &&promise) {
   Dialog *d = get_dialog_force(dialog_id);
   if (d == nullptr) {
@@ -28497,6 +28519,8 @@ void MessagesManager::drop_dialog_last_pinned_message_id(Dialog *d) {
   on_dialog_updated(d->dialog_id, "drop_dialog_last_pinned_message_id");
 
   LOG(INFO) << "Drop " << d->dialog_id << " pinned message";
+
+  reload_dialog_info_full(d->dialog_id);
 }
 
 void MessagesManager::repair_dialog_scheduled_messages(Dialog *d) {
@@ -32343,8 +32367,7 @@ bool MessagesManager::update_message(Dialog *d, Message *old_message, unique_ptr
     // old_message->is_from_scheduled = new_message->is_from_scheduled;
   }
 
-  if (!is_scheduled &&
-      update_message_is_pinned(d, old_message, new_message->is_pinned, "update_message")) {
+  if (!is_scheduled && update_message_is_pinned(d, old_message, new_message->is_pinned, "update_message")) {
     need_send_update = true;
   }
 
diff --git a/td/telegram/MessagesManager.h b/td/telegram/MessagesManager.h
index 7101b368c..b330ff117 100644
--- a/td/telegram/MessagesManager.h
+++ b/td/telegram/MessagesManager.h
@@ -2427,6 +2427,8 @@ class MessagesManager : public Actor {
 
   void send_search_public_dialogs_query(const string &query, Promise<Unit> &&promise);
 
+  void reload_dialog_info_full(DialogId dialog_id);
+
   vector<DialogId> get_pinned_dialog_ids(DialogListId dialog_list_id) const;
 
   void reload_pinned_dialogs(DialogListId dialog_list_id, Promise<Unit> &&promise);