Add td_api::getCloseFriends.

td/generate/scheme/td_api.tl

@@ -7509,7 +7509,7 @@ addContact contact:contact share_phone_number:Bool = Ok;
 //@description Adds new contacts or edits existing contacts by their phone numbers; contacts' user identifiers are ignored @contacts The list of contacts to import or edit; contacts' vCard are ignored and are not imported
 importContacts contacts:vector<contact> = ImportedContacts;
 
-//@description Returns all user contacts
+//@description Returns all contacts of the user
 getContacts = Users;
 
 //@description Searches for the specified query in the first names, last names and usernames of the known user contacts
@@ -7531,6 +7531,9 @@ changeImportedContacts contacts:vector<contact> = ImportedContacts;
 //@description Clears all imported contacts, contact list remains unchanged
 clearImportedContacts = Ok;
 
+//@description Returns all close friends of the user
+getCloseFriends = Users;
+
 //@description Changes a personal profile photo of a contact user @user_id User identifier @photo Profile photo to set; pass null to delete the photo; inputChatPhotoPrevious isn't supported in this function
 setUserPersonalProfilePhoto user_id:int53 photo:InputChatPhoto = Ok;
 

td/telegram/ContactsManager.cpp

@@ -6858,6 +6858,28 @@ std::pair<int32, vector<UserId>> ContactsManager::search_contacts(const string &
   return {narrow_cast<int32>(result.first), std::move(user_ids)};
 }
 
+vector<UserId> ContactsManager::get_close_friends(Promise<Unit> &&promise) {
+  if (!are_contacts_loaded_) {
+    load_contacts(std::move(promise));
+    return {};
+  }
+  reload_contacts(false);
+
+  auto result = contacts_hints_.search_empty(10000);
+
+  vector<UserId> user_ids;
+  for (auto key : result.second) {
+    UserId user_id(key);
+    const User *u = get_user(user_id);
+    if (u != nullptr && u->is_close_friend) {
+      user_ids.push_back(user_id);
+    }
+  }
+
+  promise.set_value(Unit());
+  return user_ids;
+}
+
 UserId ContactsManager::search_user_by_phone_number(string phone_number, Promise<Unit> &&promise) {
   clean_phone_number(phone_number);
   if (phone_number.empty()) {

td/telegram/ContactsManager.h

@@ -358,6 +358,8 @@ class ContactsManager final : public Actor {
 
   void on_update_contacts_reset();
 
+  vector<UserId> get_close_friends(Promise<Unit> &&promise);
+
   UserId search_user_by_phone_number(string phone_number, Promise<Unit> &&promise);
 
   void on_resolved_phone_number(const string &phone_number, UserId user_id);

td/telegram/Td.cpp

@@ -1889,6 +1889,22 @@ class ChangeImportedContactsRequest final : public RequestActor<> {
   }
 };
 
+class GetCloseFriendsRequest final : public RequestActor<> {
+  vector<UserId> user_ids_;
+
+  void do_run(Promise<Unit> &&promise) final {
+    user_ids_ = td_->contacts_manager_->get_close_friends(std::move(promise));
+  }
+
+  void do_send_result() final {
+    send_result(td_->contacts_manager_->get_users_object(-1, user_ids_));
+  }
+
+ public:
+  GetCloseFriendsRequest(ActorShared<Td> td, uint64 request_id) : RequestActor(std::move(td), request_id) {
+  }
+};
+
 class GetRecentInlineBotsRequest final : public RequestActor<> {
   vector<UserId> user_ids_;
 
@@ -6976,6 +6992,11 @@ void Td::on_request(uint64 id, const td_api::clearImportedContacts &request) {
   contacts_manager_->clear_imported_contacts(std::move(promise));
 }
 
+void Td::on_request(uint64 id, const td_api::getCloseFriends &request) {
+  CHECK_IS_USER();
+  CREATE_NO_ARGS_REQUEST(GetCloseFriendsRequest);
+}
+
 void Td::on_request(uint64 id, td_api::setUserPersonalProfilePhoto &request) {
   CHECK_IS_USER();
   CREATE_OK_REQUEST_PROMISE();

td/telegram/Td.h

@@ -1125,6 +1125,8 @@ class Td final : public Actor {
 
   void on_request(uint64 id, const td_api::clearImportedContacts &request);
 
+  void on_request(uint64 id, const td_api::getCloseFriends &request);
+
   void on_request(uint64 id, td_api::setUserPersonalProfilePhoto &request);
 
   void on_request(uint64 id, td_api::suggestUserProfilePhoto &request);

td/telegram/cli.cpp

@@ -2391,6 +2391,8 @@ class CliClient final : public Actor {
       } else {
         send_request(td_api::make_object<td_api::searchContacts>("", as_limit(args)));
       }
+    } else if (op == "gcfr") {
+      send_request(td_api::make_object<td_api::getCloseFriends>());
     } else if (op == "gul") {
       send_request(td_api::make_object<td_api::getUserLink>());
     } else if (op == "subt") {