128 lines
3.4 KiB
C++
128 lines
3.4 KiB
C++
/* This file is part of mastorss.
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* Copyright © 2019 tastytea <tastytea@tastytea.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "exceptions.hpp"
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#include "mastoapi.hpp"
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#include <boost/log/trivial.hpp>
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#include <string>
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#include <string_view>
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namespace mastorss
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{
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using std::string;
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using std::string_view;
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MastoAPI::MastoAPI(ProfileData &data)
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: _profile{data}
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, _instance{_profile.instance, _profile.access_token}
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{
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}
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void MastoAPI::post_item(const Item &item)
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{
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string status{[&]
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{
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if (_profile.titles_as_cw)
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{
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if (_profile.titles_only)
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{
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return string{};
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}
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return item.description;
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}
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string s{item.title};
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if (!_profile.titles_only)
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{
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s.append("\n\n" + item.description);
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}
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return s;
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}()};
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const size_t len_append{[&]
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{
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if (_profile.append.empty())
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{
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return size_t{0};
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}
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return _profile.append.size() + 2;
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}()};
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const size_t len_status{status.size()};
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const size_t len_max{[&]
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{
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if (_profile.titles_as_cw)
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{
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// Subjects (CWs) count into the post length.
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return _profile.max_size - item.title.size();
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}
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return _profile.max_size;
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}() - item.link.size() - 2 - len_append};
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BOOST_LOG_TRIVIAL(debug)
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<< "Maximum text (without link and appendix) length: " << len_max;
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if (len_status > len_max)
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{
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constexpr string_view omission = " […]";
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status.resize(len_max - omission.size());
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// Don't cut in the middle of a word.
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const auto pos = status.rfind(' ');
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if (pos != string::npos)
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{
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status.resize(pos);
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}
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status.append(omission);
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BOOST_LOG_TRIVIAL(debug) << "Status resized to: " << status.size();
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}
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status.append("\n\n" + item.link);
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if (!_profile.append.empty())
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{
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status.append("\n\n" + _profile.append);
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}
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BOOST_LOG_TRIVIAL(debug) << "Status length: " << status.size();
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BOOST_LOG_TRIVIAL(debug) << "Status: \"" << status << '"';
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mastodonpp::parametermap params{{"status", status}};
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if (_profile.titles_as_cw)
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{
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params.insert({"spoiler_text", item.title});
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}
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mastodonpp::Connection connection{_instance};
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const auto ret = connection.post(mastodonpp::API::v1::statuses, params);
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if (!ret)
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{
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if (ret.http_status != 200)
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{
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throw HTTPException{ret.http_status};
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}
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throw CURLException{ret.curl_error_code};
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}
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BOOST_LOG_TRIVIAL(debug) << "Posted status with GUID: " << item.guid;
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_profile.guids.push_back(item.guid);
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if (_profile.guids.size() > _max_guids)
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{
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_profile.guids.pop_front();
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}
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}
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} // namespace mastorss
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