##// END OF EJS Templates
Unit tests cases
Unit tests cases

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AmdaProvider.cpp
128 lines | 4.0 KiB | text/x-c | CppLexer
#include "AmdaProvider.h"
#include "AmdaResultParser.h"
#include <Data/DataProviderParameters.h>
#include <Network/NetworkController.h>
#include <SqpApplication.h>
#include <Variable/Variable.h>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QTemporaryFile>
#include <QThread>
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>()}
{
qCDebug(LOG_NetworkController()) << tr("AmdaProvider::AmdaProvider")
<< QThread::currentThread();
if (auto app = sqpApp) {
auto &networkController = app->networkController();
connect(this, &AmdaProvider::requestConstructed, &networkController,
&NetworkController::onProcessRequested);
}
}
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)
{
// /////////// //
// 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)};
auto tempFile = std::make_shared<QTemporaryFile>();
// LAMBDA
auto httpDownloadFinished = [this, tempFile](QNetworkReply *reply, QUuid dataId) noexcept {
if (tempFile) {
auto replyReadAll = reply->readAll();
if (!replyReadAll.isEmpty()) {
tempFile->write(replyReadAll);
}
tempFile->close();
// Parse results file
if (auto dataSeries = AmdaResultParser::readTxt(tempFile->fileName())) {
emit dataProvided(impl->m_Token, dataSeries, impl->m_Params.m_Time);
}
else {
/// @todo ALX : debug
}
}
// Deletes reply
reply->deleteLater();
reply = nullptr;
};
auto httpFinishedLambda = [this, httpDownloadFinished, tempFile](QNetworkReply *reply,
QUuid dataId) noexcept {
auto downloadFileUrl = QUrl{QString{reply->readAll()}};
// Deletes old reply
reply->deleteLater();
// Executes request for downloading file //
// Creates destination file
if (tempFile->open()) {
// Executes request
emit requestConstructed(QNetworkRequest{downloadFileUrl}, dataId, httpDownloadFinished);
}
};
// //////////////// //
// Executes request //
// //////////////// //
impl->m_Token = token;
impl->m_Params = parameters;
emit requestConstructed(QNetworkRequest{url}, token, httpFinishedLambda);
}