Added FTB pack selection ad download, WIP

api/logic/modplatform/FtbPackDownloader.cpp

@@ -0,0 +1,106 @@
+#include "FtbPackDownloader.h"
+#include "PackHelpers.h"
+#include "FtbPackFetchTask.h"
+#include "Env.h"
+
+FtbPackDownloader::FtbPackDownloader() {
+	done = false;
+	fetching = false;
+}
+
+FtbPackDownloader::~FtbPackDownloader(){
+	delete netJobContainer.get();
+	netJobContainer.reset(nullptr);
+}
+
+bool FtbPackDownloader::isValidPackSelected(){
+	FtbModpack dummy;
+	dummy.name = "__INVALID__";
+
+	FtbModpack other = fetchedPacks.value(selected.name, dummy);
+	if(other.name == "__INVALID__") {
+		return false;
+	}
+
+	return other.oldVersions.contains(selectedVersion);
+}
+
+QString FtbPackDownloader::getSuggestedInstanceName() {
+	return selected.name;
+}
+
+FtbModpackList FtbPackDownloader::getModpacks() {
+	return static_cast<FtbModpackList>(fetchedPacks.values());
+}
+
+void FtbPackDownloader::fetchModpacks(bool force = false){
+	if(fetching || (!force && done)) {
+		qDebug() << "Skipping modpack refetch because done or already fetching [done =>" << done << "| fetching =>" << fetching << "]";
+		return;
+	}
+
+	fetching = true;
+
+	fetchTask = new FtbPackFetchTask();
+	connect(fetchTask, &FtbPackFetchTask::finished, this, &FtbPackDownloader::fetchSuccess);
+	connect(fetchTask, &FtbPackFetchTask::failed, this, &FtbPackDownloader::fetchFailed);
+	fetchTask->fetch();
+}
+
+
+void FtbPackDownloader::fetchSuccess(FtbModpackList modpacks) {
+	for(int i = 0; i < modpacks.size(); i++) {
+		fetchedPacks.insert(modpacks.at(i).name, modpacks.at(i));
+	}
+
+	fetching = false;
+	done = true;
+	emit ready();
+	fetchTask->deleteLater();
+}
+
+void FtbPackDownloader::fetchFailed(QString reason) {
+	qWarning() << "Failed to fetch FtbData" << reason;
+	fetching = false;
+	emit packFetchFailed();
+	fetchTask->deleteLater();
+}
+
+void FtbPackDownloader::selectPack(FtbModpack modpack, QString version) {
+	selected = modpack;
+	selectedVersion = version;
+}
+
+FtbModpack FtbPackDownloader::getSelectedPack() {
+	return selected;
+}
+
+void FtbPackDownloader::downloadSelected(MetaEntryPtr cache) {
+	NetJob *job = new NetJob("Downlad FTB Pack");
+
+	cache->setStale(true);
+	QString url = QString("http://ftb.cursecdn.com/FTB2/modpacks/%1/%2/%3").arg(selected.dir, selectedVersion.replace(".", "_"), selected.file);
+	job->addNetAction(Net::Download::makeCached(url, cache));
+	downloadPath = cache->getFullPath();
+
+	netJobContainer.reset(job);
+
+	connect(job, &NetJob::succeeded, this, &FtbPackDownloader::_downloadSucceeded);
+	connect(job, &NetJob::failed, this, &FtbPackDownloader::_downloadFailed);
+	connect(job, &NetJob::progress, this, &FtbPackDownloader::_downloadProgress);
+	job->start();
+}
+
+void FtbPackDownloader::_downloadSucceeded() {
+	netJobContainer.reset();
+	emit downloadSucceded(downloadPath);
+}
+
+void FtbPackDownloader::_downloadProgress(qint64 current, qint64 total) {
+	emit downloadProgress(current, total);
+}
+
+void FtbPackDownloader::_downloadFailed(QString reason) {
+	netJobContainer.reset();
+	emit downloadFailed(reason);
+}