Add class AccentColorId.

CMakeLists.txt

@@ -539,6 +539,7 @@ set(TDLIB_SOURCE
   td/mtproto/TransportType.h
   td/mtproto/utils.h
 
+  td/telegram/AccentColorId.h
   td/telegram/AccessRights.h
   td/telegram/AccountManager.h
   td/telegram/AffectedHistory.h

td/generate/scheme/td_api.tl

@@ -743,6 +743,10 @@ premiumGiveawayInfoOngoing creation_date:int32 status:PremiumGiveawayParticipant
 premiumGiveawayInfoCompleted creation_date:int32 actual_winners_selection_date:int32 was_refunded:Bool winner_count:int32 activation_count:int32 gift_code:string = PremiumGiveawayInfo;
 
 
+//@description Contains accent color identifier for user/chat name, and backgrounds of chat photo, replies and link previews
+//@id Accent color identifier; 0 - red, 1 - orange, 2 - purple/violet, 3 - green, 4 - cyan, 5 - blue, 6 - pink
+accentColorId id:int32 = AccentColorId;
+
 //@description Describes a custom emoji to be shown instead of the Telegram Premium badge
 //@custom_emoji_id Identifier of the custom emoji in stickerFormatTgs format
 //@expiration_date Point in time (Unix timestamp) when the status will expire; 0 if never
@@ -767,6 +771,7 @@ usernames active_usernames:vector<string> disabled_usernames:vector<string> edit
 //@phone_number Phone number of the user
 //@status Current online status of the user
 //@profile_photo Profile photo of the user; may be null
+//@accent_color_id Identifier of the accent color for name, and backgrounds of profile photo, reply and link preview
 //@emoji_status Emoji status to be shown instead of the default Telegram Premium badge; may be null. For Telegram Premium users only
 //@is_contact The user is a contact of the current user
 //@is_mutual_contact The user is a contact of the current user and the current user is a contact of the user
@@ -783,7 +788,7 @@ usernames active_usernames:vector<string> disabled_usernames:vector<string> edit
 //@type Type of the user
 //@language_code IETF language tag of the user's language; only available to bots
 //@added_to_attachment_menu True, if the user added the current bot to attachment menu; only available to bots
-user id:int53 first_name:string last_name:string usernames:usernames phone_number:string status:UserStatus profile_photo:profilePhoto emoji_status:emojiStatus is_contact:Bool is_mutual_contact:Bool is_close_friend:Bool is_verified:Bool is_premium:Bool is_support:Bool restriction_reason:string is_scam:Bool is_fake:Bool has_active_stories:Bool has_unread_active_stories:Bool have_access:Bool type:UserType language_code:string added_to_attachment_menu:Bool = User;
+user id:int53 first_name:string last_name:string usernames:usernames phone_number:string status:UserStatus profile_photo:profilePhoto accent_color_id:accentColorId emoji_status:emojiStatus is_contact:Bool is_mutual_contact:Bool is_close_friend:Bool is_verified:Bool is_premium:Bool is_support:Bool restriction_reason:string is_scam:Bool is_fake:Bool has_active_stories:Bool has_unread_active_stories:Bool have_access:Bool type:UserType language_code:string added_to_attachment_menu:Bool = User;
 
 
 //@description Contains information about a bot
@@ -4189,7 +4194,7 @@ chatEventUsernameChanged old_username:string new_username:string = ChatEventActi
 chatEventActiveUsernamesChanged old_usernames:vector<string> new_usernames:vector<string> = ChatEventAction;
 
 //@description The chat accent color was changed @old_accent_color_id Previous identifier of chat accent color @new_accent_color_id New identifier of chat accent color
-chatEventAccentColorChanged old_accent_color_id:int32 new_accent_color_id:int32 = ChatEventAction;
+chatEventAccentColorChanged old_accent_color_id:accentColorId new_accent_color_id:accentColorId = ChatEventAction;
 
 //@description The chat's custom emoji for reply background was changed @old_reply_background_custom_emoji_id Previous identifier of the custom emoji @new_reply_background_custom_emoji_id New identifier of the custom emoji
 chatEventReplyBackgroundCustomEmojiChanged old_reply_background_custom_emoji_id:int64 new_reply_background_custom_emoji_id:int64 = ChatEventAction;

td/telegram/AccentColorId.h

@@ -0,0 +1,83 @@
+//
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#pragma once
+
+#include "td/telegram/ChannelId.h"
+#include "td/telegram/ChatId.h"
+#include "td/telegram/td_api.h"
+#include "td/telegram/UserId.h"
+
+#include "td/utils/common.h"
+#include "td/utils/HashTableUtils.h"
+#include "td/utils/StringBuilder.h"
+
+#include <type_traits>
+
+namespace td {
+
+class AccentColorId {
+  int32 id = -1;
+
+ public:
+  AccentColorId() = default;
+
+  explicit constexpr AccentColorId(int32 accent_color_id) : id(accent_color_id) {
+  }
+  template <class T, typename = std::enable_if_t<std::is_convertible<T, int32>::value>>
+  AccentColorId(T accent_color_id) = delete;
+
+  explicit AccentColorId(UserId user_id) : id(user_id.get() % 7) {
+  }
+
+  explicit AccentColorId(ChatId chat_id) : id(chat_id.get() % 7) {
+  }
+
+  explicit AccentColorId(ChannelId channel_id) : id(channel_id.get() % 7) {
+  }
+
+  bool is_valid() const {
+    return id >= 0;
+  }
+
+  int32 get() const {
+    return id;
+  }
+
+  bool operator==(const AccentColorId &other) const {
+    return id == other.id;
+  }
+
+  bool operator!=(const AccentColorId &other) const {
+    return id != other.id;
+  }
+
+  td_api::object_ptr<td_api::accentColorId> get_accent_color_id_object() const {
+    return td_api::make_object<td_api::accentColorId>(id);
+  }
+
+  template <class StorerT>
+  void store(StorerT &storer) const {
+    storer.store_int(id);
+  }
+
+  template <class ParserT>
+  void parse(ParserT &parser) {
+    id = parser.fetch_int();
+  }
+};
+
+struct AccentColorIdHash {
+  uint32 operator()(AccentColorId accent_color_id) const {
+    return Hash<int32>()(accent_color_id.get());
+  }
+};
+
+inline StringBuilder &operator<<(StringBuilder &string_builder, AccentColorId accent_color_id) {
+  return string_builder << "accent color #" << accent_color_id.get();
+}
+
+}  // namespace td

td/telegram/ContactsManager.cpp

@@ -19145,8 +19145,8 @@ td_api::object_ptr<td_api::updateUser> ContactsManager::get_update_user_object(U
 td_api::object_ptr<td_api::updateUser> ContactsManager::get_update_unknown_user_object(UserId user_id) const {
   auto have_access = user_id == get_my_id() || user_messages_.count(user_id) != 0;
   return td_api::make_object<td_api::updateUser>(td_api::make_object<td_api::user>(
-      user_id.get(), "", "", nullptr, "", td_api::make_object<td_api::userStatusEmpty>(), nullptr, nullptr, false,
-      false, false, false, false, false, "", false, false, false, false, have_access,
+      user_id.get(), "", "", nullptr, "", td_api::make_object<td_api::userStatusEmpty>(), nullptr, nullptr, nullptr,
+      false, false, false, false, false, false, "", false, false, false, false, have_access,
       td_api::make_object<td_api::userTypeUnknown>(), "", false));
 }
 
@@ -19184,7 +19184,7 @@ tl_object_ptr<td_api::user> ContactsManager::get_user_object(UserId user_id, con
   return td_api::make_object<td_api::user>(
       user_id.get(), u->first_name, u->last_name, u->usernames.get_usernames_object(), u->phone_number,
       get_user_status_object(user_id, u, G()->unix_time()),
-      get_profile_photo_object(td_->file_manager_.get(), u->photo), std::move(emoji_status), u->is_contact,
+      get_profile_photo_object(td_->file_manager_.get(), u->photo), nullptr, std::move(emoji_status), u->is_contact,
       u->is_mutual_contact, u->is_close_friend, u->is_verified, u->is_premium, u->is_support,
       get_restriction_reason_description(u->restriction_reasons), u->is_scam, u->is_fake,
       u->max_active_story_id.is_valid(), get_user_has_unread_stories(u), have_access, std::move(type), u->language_code,

td/telegram/DialogEventLog.cpp

@@ -6,6 +6,7 @@
 //
 #include "td/telegram/DialogEventLog.h"
 
+#include "td/telegram/AccentColorId.h"
 #include "td/telegram/ChannelId.h"
 #include "td/telegram/ChatReactions.h"
 #include "td/telegram/ContactsManager.h"
@@ -428,9 +429,10 @@ static td_api::object_ptr<td_api::ChatEventAction> get_chat_event_action_object(
     }
     case telegram_api::channelAdminLogEventActionChangeColor::ID: {
       auto action = move_tl_object_as<telegram_api::channelAdminLogEventActionChangeColor>(action_ptr);
-      auto old_accent_color_id = clamp(action->prev_value_, 0, 256);
-      auto new_accent_color_id = clamp(action->new_value_, 0, 256);
-      return td_api::make_object<td_api::chatEventAccentColorChanged>(old_accent_color_id, new_accent_color_id);
+      auto old_accent_color_id = AccentColorId(action->prev_value_);
+      auto new_accent_color_id = AccentColorId(action->new_value_);
+      return td_api::make_object<td_api::chatEventAccentColorChanged>(old_accent_color_id.get_accent_color_id_object(),
+                                                                      new_accent_color_id.get_accent_color_id_object());
     }
     case telegram_api::channelAdminLogEventActionChangeBackgroundEmoji::ID: {
       auto action = move_tl_object_as<telegram_api::channelAdminLogEventActionChangeBackgroundEmoji>(action_ptr);