From 84f74d8ad61e10a175bec6c1616942ec101916b2 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Mon, 13 Nov 2023 18:38:57 +0300
Subject: [PATCH] Add Message.giveaway.

---
 telegram-bot-api/Client.cpp | 41 ++++++++++++++++++++++++++++++++++---
 telegram-bot-api/Client.h   |  1 +
 2 files changed, 39 insertions(+), 3 deletions(-)

diff --git a/telegram-bot-api/Client.cpp b/telegram-bot-api/Client.cpp
index e2b8c63..5c4fc03 100644
--- a/telegram-bot-api/Client.cpp
+++ b/telegram-bot-api/Client.cpp
@@ -1814,6 +1814,39 @@ class Client::JsonChatShared final : public td::Jsonable {
   const td_api::messageChatShared *chat_shared_;
 };
 
+class Client::JsonGiveaway final : public td::Jsonable {
+ public:
+  JsonGiveaway(const td_api::messagePremiumGiveaway *giveaway, const Client *client)
+      : giveaway_(giveaway), client_(client) {
+  }
+  void store(td::JsonValueScope *scope) const {
+    auto object = scope->enter_object();
+    td::vector<int64> chat_ids;
+    chat_ids.push_back(giveaway_->parameters_->boosted_chat_id_);
+    for (auto chat_id : giveaway_->parameters_->additional_chat_ids_) {
+      chat_ids.push_back(chat_id);
+    }
+    object("chats",
+           td::json_array(chat_ids, [client = client_](auto &chat_id) { return JsonChat(chat_id, false, client); }));
+    object("winners_selection_date", giveaway_->parameters_->winners_selection_date_);
+    object("winner_count", giveaway_->winner_count_);
+    if (giveaway_->parameters_->only_new_members_) {
+      object("only_new_members", td::JsonTrue());
+    }
+    if (!giveaway_->parameters_->country_codes_.empty()) {
+      object("country_codes", td::json_array(giveaway_->parameters_->country_codes_,
+                                             [](td::Slice country_code) { return td::JsonString(country_code); }));
+    }
+    if (giveaway_->month_count_ > 0) {
+      object("premium_subscription_month_count", giveaway_->month_count_);
+    }
+  }
+
+ private:
+  const td_api::messagePremiumGiveaway *giveaway_;
+  const Client *client_;
+};
+
 class Client::JsonWebAppInfo final : public td::Jsonable {
  public:
   explicit JsonWebAppInfo(const td::string &url) : url_(url) {
@@ -2332,8 +2365,11 @@ void Client::JsonMessage::store(td::JsonValueScope *scope) const {
     case td_api::messagePremiumGiveawayCreated::ID:
       object("giveaway_created", JsonEmptyObject());
       break;
-    case td_api::messagePremiumGiveaway::ID:
+    case td_api::messagePremiumGiveaway::ID: {
+      auto content = static_cast<const td_api::messagePremiumGiveaway *>(message_->content.get());
+      object("giveaway", JsonGiveaway(content, client_));
       break;
+    }
     case td_api::messageStory::ID:
       object("story", JsonEmptyObject());
       break;
@@ -11108,6 +11144,7 @@ bool Client::need_skip_update_message(int64 chat_id, const object_ptr<td_api::me
       case td_api::messageForumTopicIsClosedToggled::ID:
       case td_api::messageForumTopicIsHiddenToggled::ID:
       case td_api::messagePremiumGiveawayCreated::ID:
+      case td_api::messagePremiumGiveaway::ID:
         // don't skip
         break;
       default:
@@ -11218,8 +11255,6 @@ bool Client::need_skip_update_message(int64 chat_id, const object_ptr<td_api::me
       return true;
     case td_api::messagePremiumGiftCode::ID:
       return true;
-    case td_api::messagePremiumGiveaway::ID:
-      return true;
     default:
       break;
   }
diff --git a/telegram-bot-api/Client.h b/telegram-bot-api/Client.h
index 2f726f4..645ac72 100644
--- a/telegram-bot-api/Client.h
+++ b/telegram-bot-api/Client.h
@@ -165,6 +165,7 @@ class Client final : public WebhookActor::Callback {
   class JsonWriteAccessAllowed;
   class JsonUserShared;
   class JsonChatShared;
+  class JsonGiveaway;
   class JsonUpdateTypes;
   class JsonWebhookInfo;
   class JsonStickerSet;