Improve td_api::getPublicMessageLink: add possibility to get public link for media album, return HTML-code for message embedding.

GitOrigin-RevId: 1a7c774eec4dfde60d460d097be672120d3f9c54

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.0.2 FATAL_ERROR)
 
-project(TDLib VERSION 1.0.2 LANGUAGES CXX C)
+project(TDLib VERSION 1.0.3 LANGUAGES CXX C)
 
 if (NOT DEFINED CMAKE_MODULE_PATH)
   set(CMAKE_MODULE_PATH "")

README.md

@@ -81,7 +81,7 @@ target_link_library(YourLibrary Td::TdJson)
 
 Or you could install `TDLib` and then reference it in your CMakeLists.txt like this:
 ```
-find_package(Td 1.0.2)
+find_package(Td 1.0.3)
 target_link_library(YourLibrary Td::TdJson)
 ```
 See [example/cpp/CMakeLists.txt](https://github.com/tdlib/td/tree/master/example/cpp/CMakeLists.txt).

example/cpp/CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.1 FATAL_ERROR)
 
 project(TdExample VERSION 1.0 LANGUAGES CXX)
 
-find_package(Td 1.0.2 REQUIRED)
+find_package(Td 1.0.3 REQUIRED)
 
 add_executable(tdjson_example tdjson_example.cpp)
 target_link_libraries(tdjson_example PRIVATE Td::TdJson)

td/generate/scheme/td_api.tl

@@ -1531,8 +1531,8 @@ chatReportReasonPornography = ChatReportReason;
 chatReportReasonCustom text:string = ChatReportReason;
 
 
-//@description Contains a public HTTPS link to a message in a public supergroup or channel @link Message link
-publicMessageLink link:string = PublicMessageLink;
+//@description Contains a public HTTPS link to a message in a public supergroup or channel @link Message link @html HTML-code for embedding the message
+publicMessageLink link:string html:string = PublicMessageLink;
 
 
 //@class FileType @description Represents the type of a file
@@ -2098,8 +2098,11 @@ getActiveLiveLocationMessages = Messages;
 getChatMessageByDate chat_id:int53 date:int32 = Messages;
 
 
-//@description Returns a public HTTPS link to a message. Available only for messages in public supergroups and channels @chat_id Identifier of the chat to which the message belongs @message_id Identifier of the message
-getPublicMessageLink chat_id:int53 message_id:int53 = PublicMessageLink;
+//@description Returns a public HTTPS link to a message. Available only for messages in public supergroups and channels
+//@chat_id Identifier of the chat to which the message belongs
+//@message_id Identifier of the message
+//@for_album Pass true if a link for a whole media album should be returned
+getPublicMessageLink chat_id:int53 message_id:int53 for_album:Bool = PublicMessageLink;
 
 
 //@description Sends a message. Returns the sent message @chat_id Target chat @reply_to_message_id Identifier of the message to reply to or 0

td/telegram/MessagesManager.cpp

@@ -378,18 +378,20 @@ class ExportChannelMessageLinkQuery : public Td::ResultHandler {
   Promise<Unit> promise_;
   ChannelId channel_id_;
   MessageId message_id_;
+  bool for_group_;
 
  public:
   explicit ExportChannelMessageLinkQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
   }
 
-  void send(ChannelId channel_id, MessageId message_id) {
+  void send(ChannelId channel_id, MessageId message_id, bool for_group) {
     channel_id_ = channel_id;
     message_id_ = message_id;
+    for_group_ = for_group;
     auto input_channel = td->contacts_manager_->get_input_channel(channel_id);
     CHECK(input_channel != nullptr);
     send_query(G()->net_query_creator().create(create_storer(telegram_api::channels_exportMessageLink(
-        std::move(input_channel), message_id.get_server_message_id().get(), false))));
+        std::move(input_channel), message_id.get_server_message_id().get(), for_group))));
   }
 
   void on_result(uint64 id, BufferSlice packet) override {
@@ -400,7 +402,8 @@ class ExportChannelMessageLinkQuery : public Td::ResultHandler {
 
     auto ptr = result_ptr.move_as_ok();
     LOG(DEBUG) << "Receive result for ExportChannelMessageLinkQuery " << to_string(ptr);
-    td->messages_manager_->on_get_public_message_link({DialogId(channel_id_), message_id_}, std::move(ptr->link_));
+    td->messages_manager_->on_get_public_message_link({DialogId(channel_id_), message_id_}, for_group_,
+                                                      std::move(ptr->link_), std::move(ptr->html_));
 
     promise_.set_value(Unit());
   }
@@ -9952,14 +9955,13 @@ bool MessagesManager::is_message_unload_enabled() const {
 }
 
 bool MessagesManager::can_unload_message(const Dialog *d, const Message *m) const {
-  // don't want to unload messages from opened dialogs and messages with resolved public links
+  // don't want to unload messages from opened dialogs
   // don't want to unload messages to which there are replies in yet unsent messages
   // don't want to unload messages with pending web pages
   // can't unload from memory last dialog, last database messages, yet unsent messages and active live locations
   FullMessageId full_message_id{d->dialog_id, m->message_id};
   return !d->is_opened && m->message_id != d->last_message_id && m->message_id != d->last_database_message_id &&
-         !m->message_id.is_yet_unsent() && m->public_link.empty() &&
-         active_live_location_full_message_ids_.count(full_message_id) == 0 &&
+         !m->message_id.is_yet_unsent() && active_live_location_full_message_ids_.count(full_message_id) == 0 &&
          replied_by_yet_unsent_messages_.count(full_message_id) == 0 &&
          waiting_for_web_page_messages_.count(full_message_id) == 0;
 }
@@ -10919,51 +10921,51 @@ bool MessagesManager::is_message_edited_recently(FullMessageId full_message_id,
   return m->edit_date >= G()->unix_time() - seconds;
 }
 
-string MessagesManager::get_public_message_link(FullMessageId full_message_id, Promise<Unit> &&promise) {
+std::pair<string, string> MessagesManager::get_public_message_link(FullMessageId full_message_id, bool for_group,
+                                                                   Promise<Unit> &&promise) {
   auto dialog_id = full_message_id.get_dialog_id();
   auto d = get_dialog_force(dialog_id);
   if (d == nullptr) {
     promise.set_error(Status::Error(6, "Chat not found"));
-    return string();
+    return {};
   }
   if (!have_input_peer(dialog_id, AccessRights::Read)) {
     promise.set_error(Status::Error(6, "Can't access the chat"));
-    return string();
+    return {};
   }
   if (dialog_id.get_type() != DialogType::Channel ||
       td_->contacts_manager_->get_channel_username(dialog_id.get_channel_id()).empty()) {
     promise.set_error(Status::Error(
         6, "Public message links are available only for messages in public supergroups and channel chats"));
-    return string();
+    return {};
   }
 
   auto message_id = full_message_id.get_message_id();
   auto message = get_message_force(d, message_id);
   if (message == nullptr) {
     promise.set_error(Status::Error(6, "Message not found"));
-    return string();
+    return {};
   }
   if (!message_id.is_server()) {
     promise.set_error(Status::Error(6, "Message is local"));
-    return string();
+    return {};
   }
 
-  if (message->public_link.empty()) {
+  auto it = public_message_links_[for_group].find(full_message_id);
+  if (it == public_message_links_[for_group].end()) {
     td_->create_handler<ExportChannelMessageLinkQuery>(std::move(promise))
-        ->send(dialog_id.get_channel_id(), message_id);
-    return string();
+        ->send(dialog_id.get_channel_id(), message_id, for_group);
+    return {};
   }
 
   promise.set_value(Unit());
-  return message->public_link;
+  return it->second;
 }
 
-void MessagesManager::on_get_public_message_link(FullMessageId full_message_id, string url) {
-  LOG_IF(ERROR, url.empty()) << "Receive empty public link for " << full_message_id;
-  auto message = get_message_force(full_message_id);
-  if (message != nullptr) {
-    message->public_link = std::move(url);
-  }
+void MessagesManager::on_get_public_message_link(FullMessageId full_message_id, bool for_group, string url,
+                                                 string html) {
+  LOG_IF(ERROR, url.empty() && html.empty()) << "Receive empty public link for " << full_message_id;
+  public_message_links_[for_group][full_message_id] = {std::move(url), std::move(html)};
 }
 
 Status MessagesManager::delete_dialog_reply_markup(DialogId dialog_id, MessageId message_id) {

td/telegram/MessagesManager.h

@@ -1106,9 +1106,10 @@ class MessagesManager : public Actor {
 
   bool is_message_edited_recently(FullMessageId full_message_id, int32 seconds);
 
-  string get_public_message_link(FullMessageId full_message_id, Promise<Unit> &&promise);
+  std::pair<string, string> get_public_message_link(FullMessageId full_message_id, bool for_group,
+                                                    Promise<Unit> &&promise);
 
-  void on_get_public_message_link(FullMessageId full_message_id, string url);
+  void on_get_public_message_link(FullMessageId full_message_id, bool for_group, string url, string html);
 
   Status delete_dialog_reply_markup(DialogId dialog_id, MessageId message_id) TD_WARN_UNUSED_RESULT;
 
@@ -1414,8 +1415,6 @@ class MessagesManager : public Actor {
 
     unique_ptr<ReplyMarkup> reply_markup;
 
-    string public_link;
-
     unique_ptr<Message> left;
     unique_ptr<Message> right;
 
@@ -2539,6 +2538,8 @@ class MessagesManager : public Actor {
   std::unordered_map<int64, std::pair<int64, vector<FullMessageId>>>
       found_fts_messages_;  // random_id -> [from_search_id, [full_message_id]...]
 
+  std::unordered_map<FullMessageId, std::pair<string, string>, FullMessageIdHash> public_message_links_[2];
+
   std::unordered_map<int64, tl_object_ptr<td_api::chatEvents>> chat_events_;  // random_id -> chat events
 
   std::unordered_map<int64, tl_object_ptr<td_api::gameHighScores>> game_high_scores_;  // random_id -> high scores

td/telegram/Td.cpp

@@ -1005,20 +1005,25 @@ class GetMessagesRequest : public RequestOnceActor {
 
 class GetPublicMessageLinkRequest : public RequestActor<> {
   FullMessageId full_message_id_;
+  bool for_group_;
 
   string link_;
+  string html_;
 
   void do_run(Promise<Unit> &&promise) override {
-    link_ = td->messages_manager_->get_public_message_link(full_message_id_, std::move(promise));
+    std::tie(link_, html_) =
+        td->messages_manager_->get_public_message_link(full_message_id_, for_group_, std::move(promise));
   }
 
   void do_send_result() override {
-    send_result(make_tl_object<td_api::publicMessageLink>(link_));
+    send_result(make_tl_object<td_api::publicMessageLink>(link_, html_));
   }
 
  public:
-  GetPublicMessageLinkRequest(ActorShared<Td> td, uint64 request_id, int64 dialog_id, int64 message_id)
-      : RequestActor(std::move(td), request_id), full_message_id_(DialogId(dialog_id), MessageId(message_id)) {
+  GetPublicMessageLinkRequest(ActorShared<Td> td, uint64 request_id, int64 dialog_id, int64 message_id, bool for_group)
+      : RequestActor(std::move(td), request_id)
+      , full_message_id_(DialogId(dialog_id), MessageId(message_id))
+      , for_group_(for_group) {
   }
 };
 
@@ -4754,7 +4759,7 @@ void Td::on_request(uint64 id, const td_api::getMessages &request) {
 
 void Td::on_request(uint64 id, const td_api::getPublicMessageLink &request) {
   CHECK_AUTH();
-  CREATE_REQUEST(GetPublicMessageLinkRequest, request.chat_id_, request.message_id_);
+  CREATE_REQUEST(GetPublicMessageLinkRequest, request.chat_id_, request.message_id_, request.for_album_);
 }
 
 void Td::on_request(uint64 id, const td_api::getFile &request) {

td/telegram/Td.h

@@ -187,7 +187,7 @@ class Td final : public NetQueryCallback {
   static td_api::object_ptr<td_api::Object> static_request(td_api::object_ptr<td_api::Function> function);
 
  private:
-  static constexpr const char *tdlib_version = "1.0.2";
+  static constexpr const char *tdlib_version = "1.0.3";
   static constexpr int32 ONLINE_TIMEOUT = 240;
 
   void send_result(uint64 id, tl_object_ptr<td_api::Object> object);

td/telegram/cli.cpp

@@ -1764,8 +1764,11 @@ class CliClient final : public Actor {
     } else if (op == "gpml") {
       string chat_id;
       string message_id;
-      std::tie(chat_id, message_id) = split(args);
-      send_request(make_tl_object<td_api::getPublicMessageLink>(as_chat_id(chat_id), as_message_id(message_id)));
+      string for_album;
+      std::tie(chat_id, args) = split(args);
+      std::tie(message_id, for_album) = split(args);
+      send_request(make_tl_object<td_api::getPublicMessageLink>(as_chat_id(chat_id), as_message_id(message_id),
+                                                                as_bool(for_album)));
     } else if (op == "gcmbd") {
       string chat_id;
       string date;