From 6b511f277b5d4aa1be1b538d3779cb525e422204 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Sat, 9 Oct 2021 15:04:17 +0300
Subject: [PATCH] Add messageChatJoinByLink.is_approved.

---
 td/generate/scheme/td_api.tl   |  4 ++--
 td/telegram/MessageContent.cpp | 44 +++++++++++++++++++++++++++-------
 td/telegram/Version.h          |  1 +
 3 files changed, 39 insertions(+), 10 deletions(-)

diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index e3340d32c..57a26fa04 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -1774,8 +1774,8 @@ messageChatDeletePhoto = MessageContent;
 //@description New chat members were added @member_user_ids User identifiers of the new members
 messageChatAddMembers member_user_ids:vector<int53> = MessageContent;
 
-//@description A new member joined the chat by invite link
-messageChatJoinByLink = MessageContent;
+//@description A new member joined the chat by invite link @is_approved True, if the join request was approved by a chat administrator
+messageChatJoinByLink is_approved:Bool = MessageContent;
 
 //@description A chat member was deleted @user_id User identifier of the deleted chat member
 messageChatDeleteMember user_id:int53 = MessageContent;
diff --git a/td/telegram/MessageContent.cpp b/td/telegram/MessageContent.cpp
index 112041712..108d02306 100644
--- a/td/telegram/MessageContent.cpp
+++ b/td/telegram/MessageContent.cpp
@@ -319,6 +319,12 @@ class MessageChatAddUsers final : public MessageContent {
 
 class MessageChatJoinedByLink final : public MessageContent {
  public:
+  bool is_approved = false;
+
+  MessageChatJoinedByLink() = default;
+  explicit MessageChatJoinedByLink(bool is_approved) : is_approved(is_approved) {
+  }
+
   MessageContentType get_type() const final {
     return MessageContentType::ChatJoinedByLink;
   }
@@ -866,8 +872,13 @@ static void store(const MessageContent *content, StorerT &storer) {
       store(m->user_ids, storer);
       break;
     }
-    case MessageContentType::ChatJoinedByLink:
+    case MessageContentType::ChatJoinedByLink: {
+      auto m = static_cast<const MessageChatJoinedByLink *>(content);
+      BEGIN_STORE_FLAGS();
+      STORE_FLAG(m->is_approved);
+      END_STORE_FLAGS();
       break;
+    }
     case MessageContentType::ChatDeleteUser: {
       const auto *m = static_cast<const MessageChatDeleteUser *>(content);
       store(m->user_id, storer);
@@ -1229,9 +1240,18 @@ static void parse(unique_ptr<MessageContent> &content, ParserT &parser) {
       content = std::move(m);
       break;
     }
-    case MessageContentType::ChatJoinedByLink:
-      content = make_unique<MessageChatJoinedByLink>();
+    case MessageContentType::ChatJoinedByLink: {
+      auto m = make_unique<MessageChatJoinedByLink>();
+      if (parser.version() >= static_cast<int32>(Version::AddInviteLinksRequiringApproval)) {
+        BEGIN_PARSE_FLAGS();
+        PARSE_FLAG(m->is_approved);
+        END_PARSE_FLAGS();
+      } else {
+        m->is_approved = false;
+      }
+      content = std::move(m);
       break;
+    }
     case MessageContentType::ChatDeleteUser: {
       auto m = make_unique<MessageChatDeleteUser>();
       parse(m->user_id, parser);
@@ -3253,8 +3273,14 @@ void merge_message_contents(Td *td, const MessageContent *old_content, MessageCo
       }
       break;
     }
-    case MessageContentType::ChatJoinedByLink:
+    case MessageContentType::ChatJoinedByLink: {
+      auto old_ = static_cast<const MessageChatJoinedByLink *>(old_content);
+      auto new_ = static_cast<const MessageChatJoinedByLink *>(new_content);
+      if (old_->is_approved != new_->is_approved) {
+        need_update = true;
+      }
       break;
+    }
     case MessageContentType::ChatDeleteUser: {
       const auto *old_ = static_cast<const MessageChatDeleteUser *>(old_content);
       const auto *new_ = static_cast<const MessageChatDeleteUser *>(new_content);
@@ -4538,7 +4564,7 @@ unique_ptr<MessageContent> get_action_message_content(Td *td, tl_object_ptr<tele
       return td::make_unique<MessageChatAddUsers>(std::move(user_ids));
     }
     case telegram_api::messageActionChatJoinedByLink::ID:
-      return make_unique<MessageChatJoinedByLink>();
+      return make_unique<MessageChatJoinedByLink>(false);
     case telegram_api::messageActionChatDeleteUser::ID: {
       auto chat_delete_user = move_tl_object_as<telegram_api::messageActionChatDeleteUser>(action);
 
@@ -4734,7 +4760,7 @@ unique_ptr<MessageContent> get_action_message_content(Td *td, tl_object_ptr<tele
       return td::make_unique<MessageChatSetTheme>(std::move(set_chat_theme->emoticon_));
     }
     case telegram_api::messageActionChatJoinedByRequest::ID:
-      return make_unique<MessageChatJoinedByLink>();
+      return make_unique<MessageChatJoinedByLink>(true);
     default:
       UNREACHABLE();
   }
@@ -4855,8 +4881,10 @@ tl_object_ptr<td_api::MessageContent> get_message_content_object(const MessageCo
       return make_tl_object<td_api::messageChatAddMembers>(
           td->contacts_manager_->get_user_ids_object(m->user_ids, "MessageChatAddUsers"));
     }
-    case MessageContentType::ChatJoinedByLink:
-      return make_tl_object<td_api::messageChatJoinByLink>();
+    case MessageContentType::ChatJoinedByLink: {
+      const MessageChatJoinedByLink *m = static_cast<const MessageChatJoinedByLink *>(content);
+      return make_tl_object<td_api::messageChatJoinByLink>(m->is_approved);
+    }
     case MessageContentType::ChatDeleteUser: {
       const auto *m = static_cast<const MessageChatDeleteUser *>(content);
       return make_tl_object<td_api::messageChatDeleteMember>(
diff --git a/td/telegram/Version.h b/td/telegram/Version.h
index dacaea31d..2a8fbb5ee 100644
--- a/td/telegram/Version.h
+++ b/td/telegram/Version.h
@@ -47,6 +47,7 @@ enum class Version : int32 {
   SupportBannedChannels,
   RemovePhotoVolumeAndLocalId,
   Support64BitIds,
+  AddInviteLinksRequiringApproval,
   Next
 };