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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2026
//
// 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/td_api.h"
#include "td/telegram/telegram_api.h"
#include "td/utils/common.h"
#include "td/utils/Slice.h"
#include "td/utils/StringBuilder.h"
#include "td/utils/tl_helpers.h"
namespace td {
class Usernames {
vector<string> active_usernames_;
vector<string> disabled_usernames_;
int32 editable_username_pos_ = -1;
bool is_editable_username_disabled_ = false;
vector<string> other_editable_usernames_;
friend bool operator==(const Usernames &lhs, const Usernames &rhs);
friend StringBuilder &operator<<(StringBuilder &string_builder, const Usernames &usernames);
void check_validness();
public:
Usernames() = default;
Usernames(string &&first_username, vector<telegram_api::object_ptr<telegram_api::username>> &&usernames);
td_api::object_ptr<td_api::usernames> get_usernames_object() const;
bool is_empty() const {
return editable_username_pos_ == -1 && active_usernames_.empty() && disabled_usernames_.empty();
}
Slice get_first_username() const {
if (!has_first_username()) {
return Slice();
}
return active_usernames_[0];
}
bool has_first_username() const {
return !active_usernames_.empty();
}
Slice get_editable_username() const {
if (!has_editable_username()) {
return Slice();
}
return is_editable_username_disabled_ ? disabled_usernames_[editable_username_pos_]
: active_usernames_[editable_username_pos_];
}
bool has_editable_username() const {
return editable_username_pos_ != -1;
}
const vector<string> &get_active_usernames() const {
return active_usernames_;
}
Usernames change_editable_username(string &&new_username) const;
bool can_toggle(bool for_bot, const string &username) const;
Usernames toggle(bool for_bot, const string &username, bool is_active) const;
Usernames deactivate_all() const;
bool can_reorder_to(const vector<string> &new_username_order) const;
Usernames reorder_to(vector<string> &&new_username_order) const;
template <class StorerT>
void store(StorerT &storer) const {
CHECK(!is_empty());
bool has_many_active_usernames = active_usernames_.size() > 1;
bool has_disabled_usernames = !disabled_usernames_.empty();
bool has_editable_username = editable_username_pos_ != -1;
bool has_active_usernames = !active_usernames_.empty();
bool has_other_editable_usernames = !other_editable_usernames_.empty();
BEGIN_STORE_FLAGS();
STORE_FLAG(has_many_active_usernames);
STORE_FLAG(has_disabled_usernames);
STORE_FLAG(has_editable_username);
STORE_FLAG(has_active_usernames);
STORE_FLAG(is_editable_username_disabled_);
STORE_FLAG(has_other_editable_usernames);
END_STORE_FLAGS();
if (is_editable_username_disabled_) {
CHECK(has_editable_username);
if (has_active_usernames) {
td::store(active_usernames_, storer);
}
td::store(editable_username_pos_, storer);
} else {
if (has_many_active_usernames) {
td::store(active_usernames_, storer);
if (has_editable_username) {
td::store(editable_username_pos_, storer);
}
} else if (has_active_usernames) {
td::store(active_usernames_[0], storer);
}
}
if (has_disabled_usernames) {
td::store(disabled_usernames_, storer);
}
if (has_other_editable_usernames) {
td::store(other_editable_usernames_, storer);
}
}
template <class ParserT>
void parse(ParserT &parser) {
using td::parse;
bool has_many_active_usernames;
bool has_disabled_usernames;
bool has_editable_username;
bool has_active_usernames;
bool has_other_editable_usernames;
BEGIN_PARSE_FLAGS();
PARSE_FLAG(has_many_active_usernames);
PARSE_FLAG(has_disabled_usernames);
PARSE_FLAG(has_editable_username);
PARSE_FLAG(has_active_usernames);
PARSE_FLAG(is_editable_username_disabled_);
PARSE_FLAG(has_other_editable_usernames);
END_PARSE_FLAGS();
if (is_editable_username_disabled_) {
if (has_active_usernames) {
td::parse(active_usernames_, parser);
}
td::parse(editable_username_pos_, parser);
} else {
if (has_many_active_usernames) {
td::parse(active_usernames_, parser);
if (has_editable_username) {
td::parse(editable_username_pos_, parser);
}
} else if (has_active_usernames) {
active_usernames_.resize(1);
td::parse(active_usernames_[0], parser);
if (has_editable_username) {
editable_username_pos_ = 0;
}
}
}
if (has_disabled_usernames) {
td::parse(disabled_usernames_, parser);
}
if (has_other_editable_usernames) {
td::parse(other_editable_usernames_, parser);
}
check_validness();
}
};
bool operator==(const Usernames &lhs, const Usernames &rhs);
bool operator!=(const Usernames &lhs, const Usernames &rhs);
StringBuilder &operator<<(StringBuilder &string_builder, const Usernames &usernames);
} // namespace td
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