Add utc_time_offset option.

td/generate/scheme/td_api.tl

@@ -822,8 +822,8 @@ messagePositions total_count:int32 positions:vector<messagePosition> = MessagePo
 //@description Contains information about found messages sent in a specific day @total_count Total number of found messages sent in the day @message First message sent in the day
 messageCalendarDay total_count:int32 message:message = MessageCalendarDay;
 
-//@description Contains information about found messages, splitted by days @total_count Total number of found messages @utc_time_offset UTC time offset in seconds, used to split messages by days @days Information about messages sent 
-messageCalendar total_count:int32 utc_time_offset:int32 days:vector<messageCalendarDay> = MessageCalendar;
+//@description Contains information about found messages, splitted by days according to GetOption("utc_time_offset") @total_count Total number of found messages @days Information about messages sent
+messageCalendar total_count:int32 days:vector<messageCalendarDay> = MessageCalendar;
 
 
 //@description Describes a sponsored message @id Unique sponsored message identifier @sponsor_chat_id Chat identifier

td/telegram/MessagesManager.cpp

@@ -67,7 +67,6 @@
 #include "td/utils/format.h"
 #include "td/utils/misc.h"
 #include "td/utils/PathView.h"
-#include "td/utils/port/Clocks.h"
 #include "td/utils/Random.h"
 #include "td/utils/Slice.h"
 #include "td/utils/SliceBuilder.h"
@@ -9811,7 +9810,7 @@ void MessagesManager::on_get_message_search_result_calendar(
     days.push_back(td_api::make_object<td_api::messageCalendarDay>(
         period->count_, get_message_object(dialog_id, m, "on_get_message_search_result_calendar")));
   }
-  it->second = td_api::make_object<td_api::messageCalendar>(total_count, Clocks::tz_offset(), std::move(days));
+  it->second = td_api::make_object<td_api::messageCalendar>(total_count, std::move(days));
   promise.set_value(Unit());
 }
 
@@ -21540,7 +21539,7 @@ td_api::object_ptr<td_api::messageCalendar> MessagesManager::get_dialog_message_
       db_query.dialog_id = dialog_id;
       db_query.filter = filter;
       db_query.from_message_id = fixed_from_message_id;
-      db_query.tz_offset = Clocks::tz_offset();
+      db_query.tz_offset = static_cast<int32>(G()->shared_config().get_option_integer("utc_time_offset"));
       G()->td_db()->get_messages_db_async()->get_dialog_message_calendar(db_query, std::move(new_promise));
       return {};
     }
@@ -21619,7 +21618,7 @@ void MessagesManager::on_get_message_calendar_from_database(int64 random_id, Dia
       days.push_back(td_api::make_object<td_api::messageCalendarDay>(
           period.second, get_message_object(dialog_id, m, "on_get_message_calendar_from_database")));
     }
-    it->second = td_api::make_object<td_api::messageCalendar>(total_count, Clocks::tz_offset(), std::move(days));
+    it->second = td_api::make_object<td_api::messageCalendar>(total_count, std::move(days));
   }
   promise.set_value(Unit());
 }

td/telegram/Td.cpp

@@ -130,6 +130,7 @@
 #include "td/utils/MimeType.h"
 #include "td/utils/misc.h"
 #include "td/utils/PathView.h"
+#include "td/utils/port/Clocks.h"
 #include "td/utils/port/IPAddress.h"
 #include "td/utils/port/path.h"
 #include "td/utils/port/SocketFd.h"
@@ -3867,6 +3868,7 @@ Status Td::init(DbKey key) {
   options_.language_pack = G()->shared_config().get_option_string("localization_target");
   options_.language_code = G()->shared_config().get_option_string("language_pack_id");
   options_.parameters = G()->shared_config().get_option_string("connection_parameters");
+  options_.tz_offset = static_cast<int32>(G()->shared_config().get_option_integer("utc_time_offset"));
   options_.is_emulator = G()->shared_config().get_option_boolean("is_emulator");
   // options_.proxy = Proxy();
   G()->set_mtproto_header(make_unique<MtprotoHeader>(options_));
@@ -4023,6 +4025,7 @@ void Td::init_options_and_network() {
   if (!G()->shared_config().have_option("suggested_video_note_audio_bitrate")) {
     G()->shared_config().set_option_integer("suggested_video_note_audio_bitrate", 64);
   }
+  G()->shared_config().set_option_integer("utc_time_offset", Clocks::tz_offset());
 
   init_connection_creator();
 
@@ -4463,9 +4466,9 @@ Status Td::set_parameters(td_api::object_ptr<td_api::tdlibParameters> parameters
     options_.application_version += ", TDLib ";
     options_.application_version += TDLIB_VERSION;
   }
-  options_.language_pack = "";
-  options_.language_code = "";
-  options_.parameters = "";
+  options_.language_pack = string();
+  options_.language_code = string();
+  options_.parameters = string();
   options_.is_emulator = false;
   options_.proxy = Proxy();
 

td/telegram/net/MtprotoHeader.cpp

@@ -13,7 +13,6 @@
 
 #include "td/tl/tl_object_store.h"
 
-#include "td/utils/port/Clocks.h"
 #include "td/utils/tl_helpers.h"
 
 namespace td {
@@ -89,12 +88,12 @@ class HeaderStorer {
         for (auto &value : values) {
           if (value->key_ == "tz_offset") {
             has_tz_offset = true;
-            break;
+            value->value_ = make_tl_object<telegram_api::jsonNumber>(options.tz_offset);
           }
         }
         if (!has_tz_offset) {
           values.push_back(make_tl_object<telegram_api::jsonObjectValue>(
-              "tz_offset", make_tl_object<telegram_api::jsonNumber>(Clocks::tz_offset())));
+              "tz_offset", make_tl_object<telegram_api::jsonNumber>(options.tz_offset)));
         }
       }
       TlStoreBoxedUnknown<TlStoreObject>::store(json_value, storer);

td/telegram/net/MtprotoHeader.h

@@ -24,6 +24,7 @@ class MtprotoHeader {
     string language_pack;
     string language_code;
     string parameters;
+    int32 tz_offset = 0;
     bool is_emulator = false;
     Proxy proxy;
   };