From 839969e2558f0766258b1cf6c26cf87317592790 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Tue, 23 Jan 2024 23:11:12 +0300
Subject: [PATCH] Allow tags with label but without count.

---
 td/generate/scheme/td_api.tl    | 2 +-
 td/telegram/ReactionManager.cpp | 2 +-
 td/telegram/ReactionManager.h   | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index fc017ddf4..444f4efcd 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -1624,7 +1624,7 @@ chatAvailableReactionsAll = ChatAvailableReactions;
 chatAvailableReactionsSome reactions:vector<ReactionType> = ChatAvailableReactions;
 
 
-//@description Represents a tag used in Saved Messages @tag The tag @label Label of the tag; 0-12 characters @count Number of times the tag was used
+//@description Represents a tag used in Saved Messages @tag The tag @label Label of the tag; 0-12 characters @count Number of times the tag was used; may be 0 if the tag has non-empty label
 savedMessagesTag tag:ReactionType label:string count:int32 = SavedMessagesTag;
 
 //@description Contains a list of tags used in Saved Messages @tags List of tags
diff --git a/td/telegram/ReactionManager.cpp b/td/telegram/ReactionManager.cpp
index eb4027be4..bb76cb9fb 100644
--- a/td/telegram/ReactionManager.cpp
+++ b/td/telegram/ReactionManager.cpp
@@ -275,7 +275,7 @@ void ReactionManager::SavedReactionTags::update_saved_messages_tags(const vector
         auto &tag = *it;
         if (tag.reaction_type_ == old_tag) {
           tag.count_--;
-          if (tag.count_ <= 0) {
+          if (!tag.is_valid()) {
             tags_.erase(it);
           }
           is_changed = true;
diff --git a/td/telegram/ReactionManager.h b/td/telegram/ReactionManager.h
index fbc9016e1..55d723d75 100644
--- a/td/telegram/ReactionManager.h
+++ b/td/telegram/ReactionManager.h
@@ -138,7 +138,7 @@ class ReactionManager final : public Actor {
     SavedReactionTag() = default;
 
     bool is_valid() const {
-      return !reaction_type_.is_empty() && count_ > 0;
+      return !reaction_type_.is_empty() && count_ >= 0 && (count_ > 0 || !title_.empty());
     }
 
     explicit SavedReactionTag(telegram_api::object_ptr<telegram_api::savedReactionTag> &&tag);