From dcb15d0a13ed59faa083a8f45ecf3ea97bb41707 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Wed, 8 Jan 2020 19:25:36 +0300
Subject: [PATCH] Asynchronously reload emoji keywords languages after restart.

GitOrigin-RevId: 1f24d44c715d96aead91402fdc7f6d7abf04d041
---
 td/telegram/StickersManager.cpp | 14 ++++++++++----
 td/telegram/StickersManager.h   |  1 +
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/td/telegram/StickersManager.cpp b/td/telegram/StickersManager.cpp
index ff3453de7..97ce9ac45 100644
--- a/td/telegram/StickersManager.cpp
+++ b/td/telegram/StickersManager.cpp
@@ -4948,8 +4948,8 @@ void StickersManager::on_get_language_codes(const string &key, Result<vector<str
   }
 
   auto language_codes = result.move_as_ok();
-  LOG(INFO) << "Receive language codes " << language_codes << " for emojis search";
-  td::remove_if(language_codes, [](const auto &language_code) {
+  LOG(INFO) << "Receive language codes " << language_codes << " for emojis search with key " << key;
+  td::remove_if(language_codes, [](const string &language_code) {
     if (language_code.empty() || language_code.find('$') != string::npos) {
       LOG(ERROR) << "Receive language_code \"" << language_code << '"';
       return true;
@@ -4963,10 +4963,13 @@ void StickersManager::on_get_language_codes(const string &key, Result<vector<str
   std::sort(language_codes.begin(), language_codes.end());
   language_codes.erase(std::unique(language_codes.begin(), language_codes.end()), language_codes.end());
 
-  G()->td_db()->get_sqlite_pmc()->set(key, implode(language_codes, '$'), Auto());
   auto it = emoji_language_codes_.find(key);
   CHECK(it != emoji_language_codes_.end());
-  it->second = std::move(language_codes);
+  if (it->second != language_codes) {
+    LOG(INFO) << "Update emoji language codes for " << key << " to " << language_codes;
+    G()->td_db()->get_sqlite_pmc()->set(key, implode(language_codes, '$'), Auto());
+    it->second = std::move(language_codes);
+  }
 
   for (auto &promise : promises) {
     promise.set_value(Unit());
@@ -5007,6 +5010,9 @@ vector<string> StickersManager::get_emoji_language_codes(const string &input_lan
         load_emoji_keywords_difference(language_code);
       }
     }
+    if (reloaded_emoji_keywords_.insert(key).second) {
+      load_language_codes(std::move(language_codes), std::move(key), Auto());
+    }
   }
   return it->second;
 }
diff --git a/td/telegram/StickersManager.h b/td/telegram/StickersManager.h
index 174510dc6..2e98fd230 100644
--- a/td/telegram/StickersManager.h
+++ b/td/telegram/StickersManager.h
@@ -613,6 +613,7 @@ class StickersManager : public Actor {
   std::unordered_map<string, vector<string>> emoji_language_codes_;
   std::unordered_map<string, int32> emoji_language_code_versions_;
   std::unordered_map<string, double> emoji_language_code_last_difference_times_;
+  std::unordered_set<string> reloaded_emoji_keywords_;
   std::unordered_map<string, vector<Promise<Unit>>> load_emoji_keywords_queries_;
   std::unordered_map<string, vector<Promise<Unit>>> load_language_codes_queries_;
   std::unordered_map<int64, string> emoji_suggestions_urls_;