From 3ec96b4c30f1622df0bf9d0e2fdc6893df34a25b Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Fri, 13 Dec 2019 17:57:00 +0300
Subject: [PATCH] Remove channels from inactive channels list on new message or
 after leave.

GitOrigin-RevId: 8c9723ed489a714df0b70abe465c04eba1265b0e
---
 td/telegram/ContactsManager.cpp | 9 +++++++++
 td/telegram/ContactsManager.h   | 2 ++
 td/telegram/MessagesManager.cpp | 3 +++
 3 files changed, 14 insertions(+)

diff --git a/td/telegram/ContactsManager.cpp b/td/telegram/ContactsManager.cpp
index 18ad59062..ed85b2dcf 100644
--- a/td/telegram/ContactsManager.cpp
+++ b/td/telegram/ContactsManager.cpp
@@ -6053,6 +6053,12 @@ void ContactsManager::on_get_inactive_channels(vector<tl_object_ptr<telegram_api
   inactive_channels_ = get_channel_ids(std::move(chats), "on_get_inactive_channels");
 }
 
+void ContactsManager::remove_inactive_channel(ChannelId channel_id) {
+  if (inactive_channels_inited_ && td::remove(inactive_channels_, channel_id)) {
+    LOG(DEBUG) << "Remove " << channel_id << " from list of inactive channels";
+  }
+}
+
 void ContactsManager::on_imported_contacts(int64 random_id, vector<UserId> imported_contact_user_ids,
                                            vector<int32> unimported_contact_invites) {
   LOG(INFO) << "Contacts import with random_id " << random_id
@@ -7953,6 +7959,9 @@ void ContactsManager::update_channel(Channel *c, ChannelId channel_id, bool from
     if (c->is_megagroup) {
       update_dialogs_for_discussion(DialogId(channel_id), c->status.is_administrator() && c->status.can_pin_messages());
     }
+    if (!c->status.is_member()) {
+      remove_inactive_channel(channel_id);
+    }
   }
   if (c->is_username_changed) {
     if (c->status.is_creator() && created_public_channels_inited_[0]) {
diff --git a/td/telegram/ContactsManager.h b/td/telegram/ContactsManager.h
index 14d169f59..a9f72567f 100644
--- a/td/telegram/ContactsManager.h
+++ b/td/telegram/ContactsManager.h
@@ -231,6 +231,8 @@ class ContactsManager : public Actor {
 
   void on_get_inactive_channels(vector<tl_object_ptr<telegram_api::Chat>> &&chats);
 
+  void remove_inactive_channel(ChannelId channel_id);
+
   UserId get_my_id() const;
 
   void set_my_online_status(bool is_online, bool send_update, bool is_local);
diff --git a/td/telegram/MessagesManager.cpp b/td/telegram/MessagesManager.cpp
index 3f951398c..63d6164e2 100644
--- a/td/telegram/MessagesManager.cpp
+++ b/td/telegram/MessagesManager.cpp
@@ -25944,6 +25944,9 @@ MessagesManager::Message *MessagesManager::add_message_to_dialog(Dialog *d, uniq
         td_->contacts_manager_->on_update_channel_slow_mode_next_send_date(channel_id, m->date + slow_mode_delay);
       }
     }
+    if (m->date > now - 14 * 86400) {
+      td_->contacts_manager_->remove_inactive_channel(dialog_id.get_channel_id());
+    }
   }
 
   if (!is_attached && !m->have_next && !m->have_previous) {