##// END OF EJS Templates
Amda provider (1)...
Amda provider (1) Creates url to retrieve the address for downloading the results file

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AmdaProvider.cpp
78 lines | 2.3 KiB | text/x-c | CppLexer
#include "AmdaProvider.h"
#include <Data/DataProviderParameters.h>
#include <QNetworkAccessManager>
#include <QNetworkReply>
Q_LOGGING_CATEGORY(LOG_AmdaProvider, "AmdaProvider")
namespace {
/// URL format for a request on AMDA server. The parameters are as follows:
/// - %1: start date
/// - %2: end date
/// - %3: parameter id
const auto AMDA_URL_FORMAT = QStringLiteral(
"http://amda.irap.omp.eu/php/rest/"
"getParameter.php?startTime=%1&stopTime=%2&parameterID=%3&sampling=60&outputFormat=ASCII&"
"timeFormat=ISO8601&gzip=0");
/// Dates format passed in the URL (e.g 2013-09-23T09:00)
const auto AMDA_TIME_FORMAT = QStringLiteral("yyyy-MM-ddThh:ss");
/// Formats a time to a date that can be passed in URL
QString dateFormat(double sqpDateTime) noexcept
{
auto dateTime = QDateTime::fromMSecsSinceEpoch(sqpDateTime * 1000.);
return dateTime.toString(AMDA_TIME_FORMAT);
}
} // namespace
struct AmdaProvider::AmdaProviderPrivate {
DataProviderParameters m_Params{};
std::unique_ptr<QNetworkAccessManager> m_AccessManager{nullptr};
QNetworkReply *m_Reply{nullptr};
std::unique_ptr<QTemporaryFile> m_File{nullptr};
QUuid m_Token;
};
AmdaProvider::AmdaProvider() : impl{spimpl::make_unique_impl<AmdaProviderPrivate>()}
{
}
void AmdaProvider::requestDataLoading(QUuid token, const QVector<SqpDateTime> &dateTimeList)
{
// NOTE: Try to use multithread if possible
for (const auto &dateTime : dateTimeList) {
retrieveData(token, DataProviderParameters{dateTime});
}
}
void AmdaProvider::retrieveData(QUuid token, const DataProviderParameters &parameters) const
{
// /////////// //
// Creates URL //
// /////////// //
auto startDate = dateFormat(parameters.m_Time.m_TStart);
auto endDate = dateFormat(parameters.m_Time.m_TEnd);
auto productId = QStringLiteral("imf(0)");
auto url = QUrl{QString{AMDA_URL_FORMAT}.arg(startDate, endDate, productId)};
// //////////////// //
// Executes request //
// //////////////// //
impl->m_Token = token;
impl->m_Params = parameters;
impl->m_AccessManager = std::make_unique<QNetworkAccessManager>();
impl->m_Reply = impl->m_AccessManager->get(QNetworkRequest{url});
connect(impl->m_Reply, &QNetworkReply::finished, this, &AmdaProvider::httpFinished);
}
void AmdaProvider::httpFinished() noexcept
{
/// @todo ALX
}