From b698019f36ddba5eeac4511042405604b24eaa60 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Sun, 19 Apr 2020 21:21:17 +0300
Subject: [PATCH] Add SpecialStickerSetType::get_dice_emoji.

GitOrigin-RevId: 6f61536c84fdb19a743d9ed78d5bf514db04c353
---
 td/telegram/SpecialStickerSetType.cpp | 14 +++++++++++---
 td/telegram/SpecialStickerSetType.h   |  2 ++
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/td/telegram/SpecialStickerSetType.cpp b/td/telegram/SpecialStickerSetType.cpp
index 544d1b2c..7e0eed43 100644
--- a/td/telegram/SpecialStickerSetType.cpp
+++ b/td/telegram/SpecialStickerSetType.cpp
@@ -16,6 +16,7 @@ string SpecialStickerSetType::animated_emoji() {
 }
 
 string SpecialStickerSetType::animated_dice(const string &emoji) {
+  CHECK(!emoji.empty());
   return PSTRING() << "animated_dice_sticker_set#" << emoji;
 }
 
@@ -35,13 +36,20 @@ SpecialStickerSetType::SpecialStickerSetType(
   }
 }
 
+string SpecialStickerSetType::get_dice_emoji() const {
+  if (begins_with(type_, "animated_dice_sticker_set#")) {
+    return type_.substr(Slice("animated_dice_sticker_set#").size());
+  }
+  return string();
+}
+
 telegram_api::object_ptr<telegram_api::InputStickerSet> SpecialStickerSetType::get_input_sticker_set() const {
   if (type_ == "animated_emoji_sticker_set") {
     return telegram_api::make_object<telegram_api::inputStickerSetAnimatedEmoji>();
   }
-  if (begins_with(type_, "animated_dice_sticker_set#")) {
-    return telegram_api::make_object<telegram_api::inputStickerSetDice>(
-        type_.substr(Slice("animated_dice_sticker_set#").size()));
+  auto emoji = get_dice_emoji();
+  if (!emoji.empty()) {
+    return telegram_api::make_object<telegram_api::inputStickerSetDice>(emoji);
   }
 
   UNREACHABLE();
diff --git a/td/telegram/SpecialStickerSetType.h b/td/telegram/SpecialStickerSetType.h
index 7788eccc..7597c079 100644
--- a/td/telegram/SpecialStickerSetType.h
+++ b/td/telegram/SpecialStickerSetType.h
@@ -19,6 +19,8 @@ struct SpecialStickerSetType {
 
   static string animated_dice(const string &emoji);
 
+  string get_dice_emoji() const;
+
   SpecialStickerSetType() = default;
 
   explicit SpecialStickerSetType(const telegram_api::object_ptr<telegram_api::InputStickerSet> &input_sticker_set);