mirror of https://github.com/layters/testshop
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
91 lines
2.8 KiB
91 lines
2.8 KiB
#include "coinmarketcap.hpp"
|
|
|
|
#include <QEventLoop>
|
|
#include <QJsonArray>
|
|
#include <QJsonDocument>
|
|
#include <QJsonObject>
|
|
#include <QJsonParseError>
|
|
#include <QNetworkAccessManager>
|
|
#include <QNetworkReply>
|
|
#include <QNetworkRequest>
|
|
|
|
#include <map>
|
|
#include <QString>
|
|
|
|
namespace {
|
|
|
|
const QString BASE_URL{QStringLiteral("https://api.coinmarketcap.com/data-api/v3/"
|
|
"cryptocurrency/quote/latest?id=%1&convertId=%2")};
|
|
|
|
const std::map<neroshop::Currency, QString> CURRENCY_TO_ID{
|
|
{neroshop::Currency::USD, "2781"},
|
|
{neroshop::Currency::AUD, "2782"},
|
|
{neroshop::Currency::CAD, "2784"},
|
|
{neroshop::Currency::CHF, "2785"},
|
|
{neroshop::Currency::CNY, "2787"},
|
|
{neroshop::Currency::EUR, "2790"},
|
|
{neroshop::Currency::GBP, "2791"},
|
|
{neroshop::Currency::JPY, "2797"},
|
|
{neroshop::Currency::MXN, "2799"},
|
|
{neroshop::Currency::NZD, "2802"},
|
|
{neroshop::Currency::SEK, "2807"},
|
|
{neroshop::Currency::NGN, "2819"},
|
|
{neroshop::Currency::GHS, "3540"},
|
|
{neroshop::Currency::RUB, "2806"},
|
|
{neroshop::Currency::PHP, "2803"},
|
|
{neroshop::Currency::INR, "2796"},
|
|
//{neroshop::Currency::},
|
|
//{neroshop::Currency::XAG, ""},
|
|
//{neroshop::Currency::XAU, ""},
|
|
{neroshop::Currency::BTC, "1"},
|
|
{neroshop::Currency::ETH, "1027"},
|
|
{neroshop::Currency::LTC, "2"},
|
|
{neroshop::Currency::WOW, "4978"},
|
|
{neroshop::Currency::XMR, "328"},
|
|
};
|
|
|
|
}
|
|
|
|
std::optional<double> CoinMarketCapApi::price(neroshop::Currency from, neroshop::Currency to) const
|
|
{
|
|
auto it = CURRENCY_TO_ID.find(from);
|
|
if (it == CURRENCY_TO_ID.cend()) {
|
|
return std::nullopt;
|
|
}
|
|
const auto idFrom = it->second;
|
|
|
|
it = CURRENCY_TO_ID.find(to);
|
|
if (it == CURRENCY_TO_ID.cend()) {
|
|
return std::nullopt;
|
|
}
|
|
const auto idTo = it->second;
|
|
|
|
QNetworkAccessManager manager;
|
|
QEventLoop loop;
|
|
QObject::connect(&manager, &QNetworkAccessManager::finished, &loop, &QEventLoop::quit);
|
|
|
|
const QUrl url(BASE_URL.arg(idFrom, idTo));
|
|
auto reply = manager.get(QNetworkRequest(url));
|
|
loop.exec();
|
|
QJsonParseError error;
|
|
const auto json_doc = QJsonDocument::fromJson(reply->readAll(), &error);
|
|
if (error.error != QJsonParseError::NoError) {
|
|
return std::nullopt;
|
|
}
|
|
const auto root_obj = json_doc.object();
|
|
const auto data_val = root_obj.value("data");
|
|
if (!data_val.isArray()) {
|
|
return std::nullopt;
|
|
}
|
|
const auto data_arr = data_val.toArray();
|
|
if (data_arr.empty()) {
|
|
return std::nullopt;
|
|
}
|
|
const auto item = data_arr.first().toObject();
|
|
const auto quote = item.value("quotes").toArray().first().toObject();
|
|
if (!quote.contains("price")) {
|
|
return std::nullopt;
|
|
}
|
|
return quote.value("price").toDouble();
|
|
}
|