tdesktop/Telegram/SourceFiles/main/main_app_config.cpp

118 lines
2.8 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "main/main_app_config.h"
#include "main/main_account.h"
#include "base/call_delayed.h"
#include "apiwrap.h"
namespace Main {
namespace {
constexpr auto kRefreshTimeout = 3600 * crl::time(1000);
} // namespace
AppConfig::AppConfig(not_null<Account*> account) : _account(account) {
account->mtpValue(
) | rpl::start_with_next([=](MTP::Instance *instance) {
if (instance) {
_api.emplace(instance);
refresh();
} else {
_api.reset();
_requestId = 0;
}
}, _lifetime);
refresh();
}
void AppConfig::refresh() {
if (_requestId || !_api) {
return;
}
_requestId = _api->request(MTPhelp_GetAppConfig(
)).done([=](const MTPJSONValue &result) {
_requestId = 0;
refreshDelayed();
if (result.type() == mtpc_jsonObject) {
_data.clear();
for (const auto &element : result.c_jsonObject().vvalue().v) {
element.match([&](const MTPDjsonObjectValue &data) {
_data.emplace_or_assign(qs(data.vkey()), data.vvalue());
});
}
}
_refreshed.fire({});
}).fail([=](const RPCError &error) {
_requestId = 0;
refreshDelayed();
}).send();
}
void AppConfig::refreshDelayed() {
base::call_delayed(kRefreshTimeout, _account, [=] {
refresh();
});
}
rpl::producer<> AppConfig::refreshed() const {
return _refreshed.events();
}
template <typename Extractor>
auto AppConfig::getValue(const QString &key, Extractor &&extractor) const {
const auto i = _data.find(key);
return extractor((i != end(_data))
? i->second
: MTPJSONValue(MTP_jsonNull()));
}
double AppConfig::getDouble(const QString &key, double fallback) const {
return getValue(key, [&](const MTPJSONValue &value) {
return value.match([&](const MTPDjsonNumber &data) {
return data.vvalue().v;
}, [&](const auto &data) {
return fallback;
});
});
}
QString AppConfig::getString(
const QString &key,
const QString &fallback) const {
return getValue(key, [&](const MTPJSONValue &value) {
return value.match([&](const MTPDjsonString &data) {
return qs(data.vvalue());
}, [&](const auto &data) {
return fallback;
});
});
}
std::vector<QString> AppConfig::getStringArray(
const QString &key,
std::vector<QString> &&fallback) const {
return getValue(key, [&](const MTPJSONValue &value) {
return value.match([&](const MTPDjsonArray &data) {
auto result = std::vector<QString>();
for (const auto &entry : data.vvalue().v) {
if (entry.type() != mtpc_jsonString) {
return std::move(fallback);
}
result.push_back(qs(entry.c_jsonString().vvalue()));
}
return result;
}, [&](const auto &data) {
return std::move(fallback);
});
});
}
} // namespace Main