Add td_api::getEmojiReaction.

td/generate/scheme/td_api.tl

@@ -2583,9 +2583,8 @@ addedReactions total_count:int32 reactions:vector<addedReaction> next_offset:str
 //@description Represents a list of reactions that can be added to a message @reactions List of available reactions @allow_custom_emoji True, if any other custom emoji reaction can be added
 availableReactions reactions:vector<ReactionType> allow_custom_emoji:Bool = AvailableReactions;
 
-
-//@description Contains stickers which must be used for emoji reaction animation rendering
-//@reaction Text representation of the reaction
+//@description Contains information about a emoji reaction
+//@emoji Text representation of the reaction
 //@title Reaction title
 //@is_active True, if the reaction can be added to new messages and enabled in chats
 //@static_icon Static icon for the reaction
@@ -2595,7 +2594,7 @@ availableReactions reactions:vector<ReactionType> allow_custom_emoji:Bool = Avai
 //@effect_animation Effect animation for the reaction
 //@around_animation Around animation for the reaction; may be null
 //@center_animation Center animation for the reaction; may be null
-reaction reaction:string title:string is_active:Bool static_icon:sticker appear_animation:sticker select_animation:sticker activate_animation:sticker effect_animation:sticker around_animation:sticker center_animation:sticker = Reaction;
+emojiReaction emoji:string title:string is_active:Bool static_icon:sticker appear_animation:sticker select_animation:sticker activate_animation:sticker effect_animation:sticker around_animation:sticker center_animation:sticker = EmojiReaction;
 
 
 //@description Represents a list of animations @animations List of animations
@@ -5164,6 +5163,9 @@ editInlineMessageReplyMarkup inline_message_id:string reply_markup:ReplyMarkup =
 editMessageSchedulingState chat_id:int53 message_id:int53 scheduling_state:MessageSchedulingState = Ok;
 
 
+//@description Returns information about a emoji reaction. Returns a 404 error if the reaction is not found @emoji Text representation of the reaction
+getEmojiReaction emoji:string = EmojiReaction;
+
 //@description Returns reactions, which can be added to a message. The list can change after updateActiveEmojiReactions, updateChatAvailableReactions for the chat, or updateMessageInteractionInfo for the message
 //@chat_id Identifier of the chat to which the message belongs
 //@message_id Identifier of the message
@@ -6392,7 +6394,7 @@ reportChat chat_id:int53 message_ids:vector<int53> reason:ChatReportReason text:
 reportChatPhoto chat_id:int53 file_id:int32 reason:ChatReportReason text:string = Ok;
 
 //@description Reports reactions set on a message to the Telegram moderators. Reactions on a message can be reported only if message.can_report_reactions
-//@chat_id Chat identifier @message_id Message identifier @sender_id Identifier of the sender, added the reaction
+//@chat_id Chat identifier @message_id Message identifier @sender_id Identifier of the sender, which added the reaction
 reportMessageReactions chat_id:int53 message_id:int53 sender_id:MessageSender = Ok;
 
 

td/telegram/StickersManager.cpp

@@ -1482,12 +1482,27 @@ void StickersManager::init() {
   td_->option_manager_->set_option_empty("animated_emoji_sticker_set_name");  // legacy
 }
 
+td_api::object_ptr<td_api::emojiReaction> StickersManager::get_emoji_reaction_object(const string &emoji) {
+  load_reactions();
+  for (auto &reaction : reactions_.reactions_) {
+    if (reaction.reaction_ == emoji) {
+      return td_api::make_object<td_api::emojiReaction>(
+          reaction.reaction_, reaction.title_, reaction.is_active_, get_sticker_object(reaction.static_icon_),
+          get_sticker_object(reaction.appear_animation_), get_sticker_object(reaction.select_animation_),
+          get_sticker_object(reaction.activate_animation_), get_sticker_object(reaction.effect_animation_),
+          get_sticker_object(reaction.around_animation_), get_sticker_object(reaction.center_animation_));
+    }
+  }
+  return nullptr;
+}
+
 void StickersManager::reload_reactions() {
   if (G()->close_flag() || reactions_.are_being_reloaded_) {
     return;
   }
   CHECK(!td_->auth_manager_->is_bot());
   reactions_.are_being_reloaded_ = true;
+  load_reactions();  // must be after are_being_reloaded_ is set to true to avoid recursion
   td_->create_handler<GetAvailableReactionsQuery>()->send(reactions_.hash_);
 }
 
@@ -3687,24 +3702,29 @@ void StickersManager::load_active_reactions() {
 }
 
 void StickersManager::load_reactions() {
+  if (are_reactions_loaded_from_database_) {
+    return;
+  }
+  are_reactions_loaded_from_database_ = true;
+
   string reactions = G()->td_db()->get_binlog_pmc()->get("reactions");
   if (reactions.empty()) {
     return reload_reactions();
   }
 
-  auto status = log_event_parse(reactions_, reactions);
+  auto new_reactions = reactions_;
+  auto status = log_event_parse(new_reactions, reactions);
   if (status.is_error()) {
     LOG(ERROR) << "Can't load available reactions: " << status;
-    reactions_ = {};
     return reload_reactions();
   }
-  for (auto &reaction : reactions_.reactions_) {
+  for (auto &reaction : new_reactions.reactions_) {
     if (!reaction.is_valid()) {
       LOG(ERROR) << "Loaded invalid reaction";
-      reactions_ = {};
       return reload_reactions();
     }
   }
+  reactions_ = std::move(new_reactions);
 
   LOG(INFO) << "Successfully loaded " << reactions_.reactions_.size() << " available reactions";
 

td/telegram/StickersManager.h

@@ -168,6 +168,8 @@ class StickersManager final : public Actor {
 
   void view_featured_sticker_sets(const vector<StickerSetId> &sticker_set_ids);
 
+  td_api::object_ptr<td_api::emojiReaction> get_emoji_reaction_object(const string &emoji);
+
   void reload_reactions();
 
   void reload_special_sticker_set_by_type(SpecialStickerSetType type, bool is_recursive = false);
@@ -1009,6 +1011,7 @@ class StickersManager final : public Actor {
 
   Reactions reactions_;
   vector<string> active_reactions_;
+  bool are_reactions_loaded_from_database_ = false;
 
   FlatHashMap<string, vector<string>> emoji_language_codes_;
   FlatHashMap<string, int32> emoji_language_code_versions_;

td/telegram/Td.cpp

@@ -5199,6 +5199,11 @@ void Td::on_request(uint64 id, const td_api::getChatScheduledMessages &request)
   CREATE_REQUEST(GetChatScheduledMessagesRequest, request.chat_id_);
 }
 
+void Td::on_request(uint64 id, const td_api::getEmojiReaction &request) {
+  CHECK_IS_USER();
+  send_closure(actor_id(this), &Td::send_result, id, stickers_manager_->get_emoji_reaction_object(request.emoji_));
+}
+
 void Td::on_request(uint64 id, const td_api::getMessageAvailableReactions &request) {
   CHECK_IS_USER();
   auto r_reactions =

td/telegram/Td.h

@@ -656,6 +656,8 @@ class Td final : public Actor {
 
   void on_request(uint64 id, const td_api::getChatScheduledMessages &request);
 
+  void on_request(uint64 id, const td_api::getEmojiReaction &request);
+
   void on_request(uint64 id, const td_api::getMessageAvailableReactions &request);
 
   void on_request(uint64 id, td_api::addMessageReaction &request);

td/telegram/cli.cpp

@@ -2236,6 +2236,10 @@ class CliClient final : public Actor {
       string reaction;
       get_args(args, reaction);
       send_request(td_api::make_object<td_api::setDefaultReactionType>(as_reaction_type(reaction)));
+    } else if (op == "ger") {
+      string emoji;
+      get_args(args, emoji);
+      send_request(td_api::make_object<td_api::getEmojiReaction>(emoji));
     } else if (op == "gmar") {
       ChatId chat_id;
       MessageId message_id;