NOISSUE Flatten gui and logic libraries into MultiMC

launcher/net/MetaCacheSink.cpp

@@ -0,0 +1,65 @@
+#include "MetaCacheSink.h"
+#include <QFile>
+#include <QFileInfo>
+#include "Env.h"
+#include "FileSystem.h"
+
+namespace Net {
+
+MetaCacheSink::MetaCacheSink(MetaEntryPtr entry, ChecksumValidator * md5sum)
+    :Net::FileSink(entry->getFullPath()), m_entry(entry), m_md5Node(md5sum)
+{
+    addValidator(md5sum);
+}
+
+MetaCacheSink::~MetaCacheSink()
+{
+    // nil
+}
+
+JobStatus MetaCacheSink::initCache(QNetworkRequest& request)
+{
+    if (!m_entry->isStale())
+    {
+        return Job_Finished;
+    }
+    // check if file exists, if it does, use its information for the request
+    QFile current(m_filename);
+    if(current.exists() && current.size() != 0)
+    {
+        if (m_entry->getRemoteChangedTimestamp().size())
+        {
+            request.setRawHeader(QString("If-Modified-Since").toLatin1(), m_entry->getRemoteChangedTimestamp().toLatin1());
+        }
+        if (m_entry->getETag().size())
+        {
+            request.setRawHeader(QString("If-None-Match").toLatin1(), m_entry->getETag().toLatin1());
+        }
+    }
+    return Job_InProgress;
+}
+
+JobStatus MetaCacheSink::finalizeCache(QNetworkReply & reply)
+{
+    QFileInfo output_file_info(m_filename);
+    if(wroteAnyData)
+    {
+        m_entry->setMD5Sum(m_md5Node->hash().toHex().constData());
+    }
+    m_entry->setETag(reply.rawHeader("ETag").constData());
+    if (reply.hasRawHeader("Last-Modified"))
+    {
+        m_entry->setRemoteChangedTimestamp(reply.rawHeader("Last-Modified").constData());
+    }
+    m_entry->setLocalChangedTimestamp(output_file_info.lastModified().toUTC().toMSecsSinceEpoch());
+    m_entry->setStale(false);
+    ENV.metacache()->updateEntry(m_entry);
+    return Job_Finished;
+}
+
+bool MetaCacheSink::hasLocalData()
+{
+    QFileInfo info(m_filename);
+    return info.exists() && info.size() != 0;
+}
+}