mirror of
https://github.com/f4exb/sdrangel.git
synced 2025-11-03 13:11:20 -05:00
434 lines
15 KiB
C++
434 lines
15 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2024 Jon Beniston, M7RCE //
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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 as version 3 of the License, or //
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// (at your option) any later version. //
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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 V3 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 "solardynamicsobservatory.h"
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#include <QDebug>
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#include <QUrl>
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#include <QNetworkReply>
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#include <QNetworkDiskCache>
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SolarDynamicsObservatory::SolarDynamicsObservatory() :
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m_size(512),
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m_todayCache(nullptr)
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{
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connect(&m_dataTimer, &QTimer::timeout, this, qOverload<>(&SolarDynamicsObservatory::getImage));
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m_networkManager = new QNetworkAccessManager();
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connect(m_networkManager, &QNetworkAccessManager::finished, this, &SolarDynamicsObservatory::handleReply);
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QStringList locations = QStandardPaths::standardLocations(QStandardPaths::AppDataLocation);
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QDir writeableDir(locations[0]);
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if (!writeableDir.mkpath(QStringLiteral("cache") + QDir::separator() + QStringLiteral("solardynamicsobservatory"))) {
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qDebug() << "SolarDynamicsObservatory::SolarDynamicsObservatory: Failed to create cache/solardynamicsobservatory";
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}
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m_cache = new QNetworkDiskCache();
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m_cache->setCacheDirectory(locations[0] + QDir::separator() + QStringLiteral("cache") + QDir::separator() + QStringLiteral("solardynamicsobservatory"));
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m_cache->setMaximumCacheSize(100000000);
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m_networkManager->setCache(m_cache);
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}
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SolarDynamicsObservatory::~SolarDynamicsObservatory()
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{
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disconnect(&m_dataTimer, &QTimer::timeout, this, qOverload<>(&SolarDynamicsObservatory::getImage));
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disconnect(m_networkManager, &QNetworkAccessManager::finished, this, &SolarDynamicsObservatory::handleReply);
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delete m_networkManager;
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delete m_todayCache;
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}
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SolarDynamicsObservatory* SolarDynamicsObservatory::create()
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{
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return new SolarDynamicsObservatory();
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}
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QList<int> SolarDynamicsObservatory::getImageSizes()
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{
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return {512, 1024, 2048, 4096};
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}
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QList<int> SolarDynamicsObservatory::getVideoSizes()
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{
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return {512, 1024};
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}
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const QStringList SolarDynamicsObservatory::getImageNames()
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{
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QChar angstronm(0x212B);
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QStringList names;
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// SDO
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names.append(QString("AIA 094 %1").arg(angstronm));
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names.append(QString("AIA 131 %1").arg(angstronm));
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names.append(QString("AIA 171 %1").arg(angstronm));
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names.append(QString("AIA 193 %1").arg(angstronm));
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names.append(QString("AIA 211 %1").arg(angstronm));
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names.append(QString("AIA 304 %1").arg(angstronm));
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names.append(QString("AIA 335 %1").arg(angstronm));
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names.append(QString("AIA 1600 %1").arg(angstronm));
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names.append(QString("AIA 1700 %1").arg(angstronm));
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names.append(QString("AIA 211 %1, 193 %1, 171 %1").arg(angstronm));
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names.append(QString("AIA 304 %1, 211 %1, 171 %1").arg(angstronm));
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names.append(QString("AIA 094 %1, 335 %1, 193 %1").arg(angstronm));
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names.append(QString("AIA 171 %1, HMIB").arg(angstronm));
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names.append("HMI Magneotgram");
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names.append("HMI Colorized Magneotgram");
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names.append("HMI Intensitygram - Colored");
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names.append("HMI Intensitygram - Flattened");
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names.append("HMI Intensitygram");
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names.append("HMI Dopplergram");
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// SOHO
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names.append("LASCO C2");
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names.append("LASCO C3");
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return names;
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}
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const QStringList SolarDynamicsObservatory::getChannelNames()
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{
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QStringList channelNames = {
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"0094",
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"0131",
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"0171",
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"0193",
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"0211",
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"0304",
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"0335",
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"1600",
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"1700",
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"211193171",
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"304211171",
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"094335193",
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"HMImag",
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"HMIB",
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"HMIBC",
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"HMIIC",
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"HMIIF",
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"HMII",
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"HMID",
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"c2",
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"c3"
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};
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return channelNames;
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}
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const QStringList SolarDynamicsObservatory::getImageFileNames()
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{
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// Ordering needs to match getImageNames()
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// %1 replaced with size
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QStringList filenames = {
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"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_0094.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_0131.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_0171.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_0193.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_0211.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_0304.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_0335.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_1600.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_1700.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_211193171.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/f_304_211_171_%1.jpg",
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//"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_304211171.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/f_094_335_193_%1.jpg",
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//"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_094335193.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/f_HMImag_171_%1.jpg",
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//"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_HMImag.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_HMIB.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_HMIBC.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_HMIIC.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_HMIIF.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_HMII.jpg",
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"https://sdo.gsfc.nasa.gov/assets/img/latest/latest_%1_HMID.jpg",
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"https://soho.nascom.nasa.gov/data/realtime/c2/512/latest.jpg",
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"https://soho.nascom.nasa.gov/data/realtime/c3/512/latest.jpg"
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};
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return filenames;
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}
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const QStringList SolarDynamicsObservatory::getVideoNames()
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{
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QChar angstronm(0x212B);
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QStringList names;
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// SDO
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names.append(QString("AIA 094 %1").arg(angstronm));
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names.append(QString("AIA 131 %1").arg(angstronm));
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names.append(QString("AIA 171 %1").arg(angstronm));
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names.append(QString("AIA 193 %1").arg(angstronm));
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names.append(QString("AIA 211 %1").arg(angstronm));
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names.append(QString("AIA 304 %1").arg(angstronm));
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names.append(QString("AIA 335 %1").arg(angstronm));
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names.append(QString("AIA 1600 %1").arg(angstronm));
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names.append(QString("AIA 1700 %1").arg(angstronm));
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// SOHO
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names.append("LASCO C2");
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names.append("LASCO C3");
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return names;
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}
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const QStringList SolarDynamicsObservatory::getVideoFileNames()
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{
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const QStringList filenames = {
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"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_0094.mp4", // Videos sometimes fail to load on Windows if https used
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"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_0131.mp4",
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"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_0171.mp4",
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"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_0193.mp4",
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"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_0211.mp4",
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"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_0304.mp4",
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"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_0335.mp4",
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"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_1600.mp4",
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"http://sdo.gsfc.nasa.gov/assets/img/latest/mpeg/latest_%1_1700.mp4",
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"http://soho.nascom.nasa.gov/data/LATEST/current_c2.mp4",
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"http://soho.nascom.nasa.gov/data/LATEST/current_c3.mp4",
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};
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return filenames;
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}
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QString SolarDynamicsObservatory::getImageURL(const QString& image, int size)
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{
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const QStringList names = SolarDynamicsObservatory::getImageNames();
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const QStringList filenames = SolarDynamicsObservatory::getImageFileNames();
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int idx = names.indexOf(image);
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if (idx != -1) {
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return QString(filenames[idx]).arg(size);
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} else {
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return "";
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}
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}
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QString SolarDynamicsObservatory::getVideoURL(const QString& video, int size)
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{
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const QStringList names = SolarDynamicsObservatory::getVideoNames();
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const QStringList filenames = SolarDynamicsObservatory::getVideoFileNames();
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int idx = names.indexOf(video);
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if (idx != -1) {
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return QString(filenames[idx]).arg(size);
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} else {
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return "";
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}
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}
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void SolarDynamicsObservatory::getImagePeriodically(const QString& image, int size, int periodInMins)
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{
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m_image = image;
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m_size = size;
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if (periodInMins > 0)
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{
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m_dataTimer.setInterval(periodInMins*60*1000);
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m_dataTimer.start();
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getImage();
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}
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else
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{
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m_dataTimer.stop();
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}
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}
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void SolarDynamicsObservatory::getImage()
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{
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getImage(m_image, m_size);
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}
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void SolarDynamicsObservatory::getImage(const QString& imageName, int size)
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{
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QString urlString = getImageURL(imageName, size);
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if (!urlString.isEmpty())
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{
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QUrl url(urlString);
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m_networkManager->get(QNetworkRequest(url));
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}
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}
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void SolarDynamicsObservatory::getImage(const QString& imageName, QDateTime dateTime, int size)
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{
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// Stop periodic updates, if not after latest data
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m_dataTimer.stop();
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// Save details of image we are after
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Request request;
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request.m_dateTime = dateTime;
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request.m_size = size;
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request.m_image = imageName;
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// Get file index, as we don't know what time will be used in the file
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QDate date = dateTime.date();
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if (m_indexCache.contains(date))
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{
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handleIndex(m_indexCache.take(date), request);
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}
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else if ((m_todayCache != nullptr) && (date == m_todayCacheDateTime.date()) && (dateTime < m_todayCacheDateTime.addSecs(-60 * 60)))
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{
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handleIndex(m_todayCache, request);
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}
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else
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{
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QString urlString = QString("https://sdo.gsfc.nasa.gov/assets/img/browse/%1/%2/%3/")
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.arg(date.year())
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.arg(date.month(), 2, 10, QLatin1Char('0'))
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.arg(date.day(), 2, 10, QLatin1Char('0'));
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QUrl url(urlString);
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request.m_url = urlString;
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m_requests.append(request);
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m_networkManager->get(QNetworkRequest(url));
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}
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}
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void SolarDynamicsObservatory::handleReply(QNetworkReply* reply)
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{
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if (reply)
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{
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if (!reply->error())
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{
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if (reply->url().fileName().endsWith(".jpg"))
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{
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handleJpeg(reply->readAll());
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}
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else
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{
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// Find corresponding request
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QString urlString = reply->url().toString();
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for (int i = 0; i < m_requests.size(); i++)
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{
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if (m_requests[i].m_url == urlString)
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{
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QByteArray *bytes = new QByteArray(reply->readAll());
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handleIndex(bytes, m_requests[i]);
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m_requests.removeAt(i);
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break;
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}
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}
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}
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}
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else
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{
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qDebug() << "SolarDynamicsObservatory::handleReply: Error: " << reply->error();
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}
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reply->deleteLater();
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}
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else
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{
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qDebug() << "SolarDynamicsObservatory::handleReply: Reply is null";
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}
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}
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void SolarDynamicsObservatory::handleJpeg(const QByteArray& bytes)
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{
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QImage image;
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if (image.loadFromData(bytes)) {
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emit imageUpdated(image);
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} else {
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qWarning() << "SolarDynamicsObservatory::handleJpeg: Failed to load image";
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}
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}
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void SolarDynamicsObservatory::handleIndex(QByteArray* bytes, const Request& request)
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{
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const QStringList names = SolarDynamicsObservatory::getImageNames();
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const QStringList channelNames = SolarDynamicsObservatory::getChannelNames();
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int idx = names.indexOf(request.m_image);
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if (idx < 0) {
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return;
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}
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QString channel = channelNames[idx];
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QString file(*bytes);
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QStringList lines = file.split("\n");
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QString date = request.m_dateTime.date().toString("yyyyMMdd");
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QString pattern = QString("\"%1_([0-9]{6})_%2_%3.jpg\"").arg(date).arg(request.m_size).arg(channel);
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QRegularExpression re(pattern);
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// Get all times the image is available
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QList<QTime> times;
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for (const auto& line : lines)
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{
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QRegularExpressionMatch match = re.match(line);
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if (match.hasMatch())
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{
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QString t = match.capturedTexts()[1];
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int h = t.left(2).toInt();
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int m = t.mid(2, 2).toInt();
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int s = t.right(2).toInt();
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times.append(QTime(h, m, s));
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}
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}
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if (times.length() > 0)
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{
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QTime target = request.m_dateTime.time();
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QTime current = times[0];
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for (int i = 1; i < times.size(); i++)
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{
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if (target < times[i]) {
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break;
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}
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current = times[i];
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}
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// Get image
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QDate date = request.m_dateTime.date();
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QString urlString = QString("https://sdo.gsfc.nasa.gov/assets/img/browse/%1/%2/%3/%1%2%3_%4%5%6_%7_%8.jpg")
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.arg(date.year())
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.arg(date.month(), 2, 10, QLatin1Char('0'))
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.arg(date.day(), 2, 10, QLatin1Char('0'))
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.arg(current.hour(), 2, 10, QLatin1Char('0'))
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.arg(current.minute(), 2, 10, QLatin1Char('0'))
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.arg(current.second(), 2, 10, QLatin1Char('0'))
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.arg(request.m_size)
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.arg(channel);
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QUrl url(urlString);
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m_networkManager->get(QNetworkRequest(url));
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}
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else
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{
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qDebug() << "SolarDynamicsObservatory: No image available for " << request.m_dateTime;
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}
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// Save index in cache
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if (request.m_dateTime.date() == QDate::currentDate())
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{
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if (m_todayCache != bytes)
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{
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m_todayCache = bytes;
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m_todayCacheDateTime = QDateTime::currentDateTime();
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}
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}
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else if (request.m_dateTime.date() < QDate::currentDate())
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{
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m_indexCache.insert(request.m_dateTime.date(), bytes);
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}
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else
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{
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delete bytes;
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}
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}
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