From d3ef57e961c453d7f8109006c3d89cf57de2624b Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Wed, 22 Mar 2023 13:54:04 +0300
Subject: [PATCH] Add td_api::getSupportName.

---
 td/generate/scheme/td_api.tl |  3 +++
 td/telegram/Support.cpp      | 29 +++++++++++++++++++++++++++++
 td/telegram/Support.h        |  2 ++
 td/telegram/Td.cpp           | 13 +++++++++++++
 td/telegram/Td.h             |  2 ++
 td/telegram/cli.cpp          |  2 ++
 6 files changed, 51 insertions(+)

diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index 229ae306f..a65917526 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -8296,6 +8296,9 @@ getUserSupportInfo user_id:int53 = UserSupportInfo;
 //@description Sets support information for the given user; for Telegram support only @user_id User identifier @message New information message
 setUserSupportInfo user_id:int53 message:formattedText = UserSupportInfo;
 
+//@description Returns localized name of the Telegram support user; for Telegram support only
+getSupportName = Text;
+
 
 //@description Does nothing; for testing only. This is an offline method. Can be called before authorization
 testCallEmpty = Ok;
diff --git a/td/telegram/Support.cpp b/td/telegram/Support.cpp
index 50978286a..191a10a63 100644
--- a/td/telegram/Support.cpp
+++ b/td/telegram/Support.cpp
@@ -98,6 +98,31 @@ class EditUserInfoQuery final : public Td::ResultHandler {
   }
 };
 
+class GetSupportNameQuery final : public Td::ResultHandler {
+  Promise<string> promise_;
+
+ public:
+  explicit GetSupportNameQuery(Promise<string> &&promise) : promise_(std::move(promise)) {
+  }
+
+  void send() {
+    send_query(G()->net_query_creator().create(telegram_api::help_getSupportName()));
+  }
+
+  void on_result(BufferSlice packet) final {
+    auto result_ptr = fetch_result<telegram_api::help_getSupportName>(packet);
+    if (result_ptr.is_error()) {
+      return on_error(result_ptr.move_as_error());
+    }
+
+    promise_.set_value(std::move(result_ptr.ok_ref()->name_));
+  }
+
+  void on_error(Status status) final {
+    promise_.set_error(std::move(status));
+  }
+};
+
 void get_user_info(Td *td, UserId user_id, Promise<td_api::object_ptr<td_api::userSupportInfo>> &&promise) {
   td->create_handler<GetUserInfoQuery>(std::move(promise))->send(user_id);
 }
@@ -110,4 +135,8 @@ void set_user_info(Td *td, UserId user_id, td_api::object_ptr<td_api::formattedT
   td->create_handler<EditUserInfoQuery>(std::move(promise))->send(user_id, std::move(formatted_text));
 }
 
+void get_support_name(Td *td, Promise<string> &&promise) {
+  td->create_handler<GetSupportNameQuery>(std::move(promise))->send();
+}
+
 }  // namespace td
diff --git a/td/telegram/Support.h b/td/telegram/Support.h
index 17dd51cba..e0265fb66 100644
--- a/td/telegram/Support.h
+++ b/td/telegram/Support.h
@@ -21,4 +21,6 @@ void get_user_info(Td *td, UserId user_id, Promise<td_api::object_ptr<td_api::us
 void set_user_info(Td *td, UserId user_id, td_api::object_ptr<td_api::formattedText> &&message,
                    Promise<td_api::object_ptr<td_api::userSupportInfo>> &&promise);
 
+void get_support_name(Td *td, Promise<string> &&promise);
+
 }  // namespace td
diff --git a/td/telegram/Td.cpp b/td/telegram/Td.cpp
index 7a0354802..120a85ddb 100644
--- a/td/telegram/Td.cpp
+++ b/td/telegram/Td.cpp
@@ -8462,6 +8462,19 @@ void Td::on_request(uint64 id, td_api::setUserSupportInfo &request) {
   set_user_info(this, UserId(request.user_id_), std::move(request.message_), std::move(promise));
 }
 
+void Td::on_request(uint64 id, const td_api::getSupportName &request) {
+  CHECK_IS_USER();
+  CREATE_REQUEST_PROMISE();
+  auto query_promise = PromiseCreator::lambda([promise = std::move(promise)](Result<string> result) mutable {
+    if (result.is_error()) {
+      promise.set_error(result.move_as_error());
+    } else {
+      promise.set_value(make_tl_object<td_api::text>(result.move_as_ok()));
+    }
+  });
+  get_support_name(this, std::move(query_promise));
+}
+
 void Td::on_request(uint64 id, const td_api::getTextEntities &request) {
   UNREACHABLE();
 }
diff --git a/td/telegram/Td.h b/td/telegram/Td.h
index f64895f09..4e629ec83 100644
--- a/td/telegram/Td.h
+++ b/td/telegram/Td.h
@@ -1507,6 +1507,8 @@ class Td final : public Actor {
 
   void on_request(uint64 id, td_api::setUserSupportInfo &request);
 
+  void on_request(uint64 id, const td_api::getSupportName &request);
+
   void on_request(uint64 id, const td_api::getTextEntities &request);
 
   void on_request(uint64 id, const td_api::parseTextEntities &request);
diff --git a/td/telegram/cli.cpp b/td/telegram/cli.cpp
index d2699d2e1..47cc80ad9 100644
--- a/td/telegram/cli.cpp
+++ b/td/telegram/cli.cpp
@@ -5297,6 +5297,8 @@ class CliClient final : public Actor {
       string text;
       get_args(args, user_id, text);
       send_request(td_api::make_object<td_api::setUserSupportInfo>(user_id, as_formatted_text(text)));
+    } else if (op == "gsn") {
+      send_request(td_api::make_object<td_api::getSupportName>());
     } else if (op == "touch") {
       auto r_fd = FileFd::open(args, FileFd::Read | FileFd::Write);
       if (r_fd.is_error()) {