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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)
//
#include "td/telegram/InputMessageText.h"
#include "td/telegram/ChatManager.h"
#include "td/telegram/Dependencies.h"
#include "td/telegram/MessageEntity.h"
#include "td/telegram/misc.h"
#include "td/telegram/Td.h"
#include "td/utils/common.h"
namespace td {
bool operator==(const InputMessageText &lhs, const InputMessageText &rhs) {
return lhs.text == rhs.text && lhs.disable_web_page_preview == rhs.disable_web_page_preview &&
lhs.clear_draft == rhs.clear_draft;
}
bool operator!=(const InputMessageText &lhs, const InputMessageText &rhs) {
return !(lhs == rhs);
}
Result<InputMessageText> process_input_message_text(const Td *td, DialogId dialog_id,
tl_object_ptr<td_api::InputMessageContent> &&input_message_content,
bool is_bot, bool for_draft) {
CHECK(input_message_content != nullptr);
CHECK(input_message_content->get_id() == td_api::inputMessageText::ID);
auto input_message_text = static_cast<td_api::inputMessageText *>(input_message_content.get());
string web_page_url;
bool disable_web_page_preview = false;
bool force_small_media = false;
bool force_large_media = false;
bool show_above_text = false;
if (input_message_text->link_preview_options_ != nullptr) {
auto options = std::move(input_message_text->link_preview_options_);
web_page_url = std::move(options->url_);
disable_web_page_preview = options->is_disabled_;
force_small_media = options->force_small_media_;
force_large_media = options->force_large_media_;
show_above_text = options->show_above_text_;
if (!clean_input_string(web_page_url)) {
return Status::Error(400, "Link preview URL must be encoded in UTF-8");
}
if (disable_web_page_preview ||
(dialog_id.get_type() == DialogType::Channel &&
!td->chat_manager_->get_channel_permissions(dialog_id.get_channel_id()).can_add_web_page_previews())) {
web_page_url.clear();
}
if (web_page_url.empty()) {
force_small_media = false;
force_large_media = false;
}
}
TRY_RESULT(text, get_formatted_text(td, dialog_id, std::move(input_message_text->text_), is_bot,
for_draft || !web_page_url.empty(), for_draft, for_draft));
if (!disable_web_page_preview && web_page_url.empty() && dialog_id.get_type() == DialogType::SecretChat) {
web_page_url = get_first_url(text).str();
}
return InputMessageText{
std::move(text), std::move(web_page_url), disable_web_page_preview, force_small_media,
force_large_media, show_above_text, input_message_text->clear_draft_};
}
void InputMessageText::add_dependencies(Dependencies &dependencies) const {
add_formatted_text_dependencies(dependencies, &text);
}
telegram_api::object_ptr<telegram_api::InputMedia> InputMessageText::get_input_media_web_page() const {
if (web_page_url.empty()) {
return nullptr;
}
auto is_optional = !text.text.empty();
return telegram_api::make_object<telegram_api::inputMediaWebPage>(0, force_large_media, force_small_media,
is_optional, web_page_url);
}
td_api::object_ptr<td_api::DraftMessageContent> InputMessageText::get_draft_message_content_object(
const UserManager *user_manager) const {
td_api::object_ptr<td_api::linkPreviewOptions> options;
if (!web_page_url.empty() || disable_web_page_preview || force_small_media || force_large_media || show_above_text) {
options = td_api::make_object<td_api::linkPreviewOptions>(disable_web_page_preview, web_page_url, force_small_media,
force_large_media, show_above_text);
}
return td_api::make_object<td_api::draftMessageContentText>(get_formatted_text_object(user_manager, text, false, -1),
std::move(options));
}
} // namespace td
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