From 1e68d491935e6235f6cc0355cdcf3e0311082b3d Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Mon, 31 Oct 2022 18:44:29 +0300
Subject: [PATCH] Add createForumTopic method.

---
 telegram-bot-api/Client.cpp | 53 +++++++++++++++++++++++++++++++++++++
 telegram-bot-api/Client.h   |  3 +++
 2 files changed, 56 insertions(+)

diff --git a/telegram-bot-api/Client.cpp b/telegram-bot-api/Client.cpp
index 566bfac..2398fc9 100644
--- a/telegram-bot-api/Client.cpp
+++ b/telegram-bot-api/Client.cpp
@@ -254,6 +254,7 @@ bool Client::init_methods() {
   methods_.emplace("setchatstickerset", &Client::process_set_chat_sticker_set_query);
   methods_.emplace("deletechatstickerset", &Client::process_delete_chat_sticker_set_query);
   methods_.emplace("getforumtopiciconstickers", &Client::process_get_forum_topic_icon_stickers_query);
+  methods_.emplace("createforumtopic", &Client::process_create_forum_topic_query);
   methods_.emplace("getchatmember", &Client::process_get_chat_member_query);
   methods_.emplace("getchatadministrators", &Client::process_get_chat_administrators_query);
   methods_.emplace("getchatmembercount", &Client::process_get_chat_member_count_query);
@@ -1372,6 +1373,24 @@ class Client::JsonForumTopicIsClosedToggled final : public Jsonable {
   }
 };
 
+class Client::JsonForumTopicInfo final : public Jsonable {
+ public:
+  explicit JsonForumTopicInfo(const td_api::forumTopicInfo *forum_topic_info) : forum_topic_info_(forum_topic_info) {
+  }
+  void store(JsonValueScope *scope) const {
+    auto object = scope->enter_object();
+    object("message_thread_id", as_client_message_id(forum_topic_info_->message_thread_id_));
+    object("name", forum_topic_info_->name_);
+    object("icon_color", forum_topic_info_->icon_->color_);
+    if (forum_topic_info_->icon_->custom_emoji_id_ != 0) {
+      object("icon_custom_emoji_id", forum_topic_info_->icon_->custom_emoji_id_);
+    }
+  }
+
+ private:
+  const td_api::forumTopicInfo *forum_topic_info_;
+};
+
 class Client::JsonAddress final : public Jsonable {
  public:
   explicit JsonAddress(const td_api::address *address) : address_(address) {
@@ -3500,6 +3519,25 @@ class Client::TdOnGetMyDefaultAdministratorRightsCallback final : public TdQuery
   PromisedQueryPtr query_;
 };
 
+class Client::TdOnGetForumTopicInfoCallback final : public TdQueryCallback {
+ public:
+  explicit TdOnGetForumTopicInfoCallback(PromisedQueryPtr query) : query_(std::move(query)) {
+  }
+
+  void on_result(object_ptr<td_api::Object> result) final {
+    if (result->get_id() == td_api::error::ID) {
+      return fail_query_with_error(std::move(query_), move_object_as<td_api::error>(result));
+    }
+
+    CHECK(result->get_id() == td_api::forumTopicInfo::ID);
+    auto forum_topic_info = move_object_as<td_api::forumTopicInfo>(result);
+    answer_query(JsonForumTopicInfo(forum_topic_info.get()), std::move(query_));
+  }
+
+ private:
+  PromisedQueryPtr query_;
+};
+
 class Client::TdOnGetMenuButtonCallback final : public TdQueryCallback {
  public:
   explicit TdOnGetMenuButtonCallback(PromisedQueryPtr query) : query_(std::move(query)) {
@@ -8112,6 +8150,21 @@ td::Status Client::process_get_forum_topic_icon_stickers_query(PromisedQueryPtr
   return Status::OK();
 }
 
+td::Status Client::process_create_forum_topic_query(PromisedQueryPtr &query) {
+  auto chat_id = query->arg("chat_id");
+  auto name = query->arg("name");
+  int32 icon_color = get_integer_arg(query.get(), "icon_color", 0);
+  auto icon_custom_emoji_id = td::to_integer<int64>(query->arg("icon_custom_emoji_id"));
+
+  check_chat(chat_id, AccessRights::Write, std::move(query),
+             [this, name = name.str(), icon_color, icon_custom_emoji_id](int64 chat_id, PromisedQueryPtr query) {
+               send_request(make_object<td_api::createForumTopic>(
+                                chat_id, name, make_object<td_api::forumTopicIcon>(icon_color, icon_custom_emoji_id)),
+                            td::make_unique<TdOnGetForumTopicInfoCallback>(std::move(query)));
+             });
+  return Status::OK();
+}
+
 td::Status Client::process_get_chat_member_query(PromisedQueryPtr &query) {
   auto chat_id = query->arg("chat_id");
   TRY_RESULT(user_id, get_user_id(query.get()));
diff --git a/telegram-bot-api/Client.h b/telegram-bot-api/Client.h
index 3b8e2ef..b69f852 100644
--- a/telegram-bot-api/Client.h
+++ b/telegram-bot-api/Client.h
@@ -151,6 +151,7 @@ class Client final : public WebhookActor::Callback {
   class JsonChatJoinRequest;
   class JsonForumTopicCreated;
   class JsonForumTopicIsClosedToggled;
+  class JsonForumTopicInfo;
   class JsonGameHighScore;
   class JsonAddress;
   class JsonOrderInfo;
@@ -186,6 +187,7 @@ class Client final : public WebhookActor::Callback {
   class TdOnGetEditedMessageCallback;
   class TdOnGetCallbackQueryMessageCallback;
   class TdOnGetStickerSetCallback;
+  class TdOnGetForumTopicInfoCallback;
   class TdOnGetMenuButtonCallback;
   class TdOnGetMyCommandsCallback;
   class TdOnGetMyDefaultAdministratorRightsCallback;
@@ -537,6 +539,7 @@ class Client final : public WebhookActor::Callback {
   Status process_set_chat_sticker_set_query(PromisedQueryPtr &query);
   Status process_delete_chat_sticker_set_query(PromisedQueryPtr &query);
   Status process_get_forum_topic_icon_stickers_query(PromisedQueryPtr &query);
+  Status process_create_forum_topic_query(PromisedQueryPtr &query);
   Status process_get_chat_member_query(PromisedQueryPtr &query);
   Status process_get_chat_administrators_query(PromisedQueryPtr &query);
   Status process_get_chat_member_count_query(PromisedQueryPtr &query);