Rename Core to Base (Closes #3733).

src/base/bittorrent/private/statistics.cpp

@@ -0,0 +1,115 @@
+#include <QDateTime>
+
+#include <libtorrent/session.hpp>
+
+#include "base/qinisettings.h"
+#include "base/preferences.h"
+#include "base/bittorrent/sessionstatus.h"
+#include "base/bittorrent/session.h"
+#include "statistics.h"
+
+static const qint64 SAVE_INTERVAL = 15 * 60 * 1000;
+
+namespace libt = libtorrent;
+using namespace BitTorrent;
+
+Statistics::Statistics(Session *session)
+    : QObject(session)
+    , m_session(session)
+    , m_sessionUL(0)
+    , m_sessionDL(0)
+    , m_lastWrite(0)
+    , m_dirty(false)
+{
+    load();
+    connect(&m_timer, SIGNAL(timeout()), this, SLOT(gather()));
+    m_timer.start(60 * 1000);
+}
+
+Statistics::~Statistics()
+{
+    if (m_dirty)
+        m_lastWrite = 0;
+    save();
+}
+
+quint64 Statistics::getAlltimeDL() const
+{
+    return m_alltimeDL + m_sessionDL;
+}
+
+quint64 Statistics::getAlltimeUL() const
+{
+    return m_alltimeUL + m_sessionUL;
+}
+
+void Statistics::gather()
+{
+    SessionStatus ss = m_session->status();
+    if (ss.totalDownload() > m_sessionDL) {
+        m_sessionDL = ss.totalDownload();
+        m_dirty = true;
+    }
+    if (ss.totalUpload() > m_sessionUL) {
+        m_sessionUL = ss.totalUpload();
+        m_dirty = true;
+    }
+
+    save();
+}
+
+void Statistics::save() const
+{
+    qint64 now = QDateTime::currentMSecsSinceEpoch();
+
+    if (!m_dirty || ((now - m_lastWrite) < SAVE_INTERVAL))
+        return;
+
+    QIniSettings s("qBittorrent", "qBittorrent-data");
+    QVariantHash v;
+    v.insert("AlltimeDL", m_alltimeDL + m_sessionDL);
+    v.insert("AlltimeUL", m_alltimeUL + m_sessionUL);
+    s.setValue("Stats/AllStats", v);
+    m_dirty = false;
+    m_lastWrite = now;
+}
+
+void Statistics::load()
+{
+    // Temp code. Versions v3.1.4 and v3.1.5 saved the data in the qbittorrent.ini file.
+    // This code reads the data from there, writes it to the new file, and removes the keys
+    // from the old file. This code should be removed after some time has passed.
+    // e.g. When we reach v3.3.0
+    // Don't forget to remove:
+    // 1. Preferences::getStats()
+    // 2. Preferences::removeStats()
+    // 3. #include "base/preferences.h"
+    Preferences* const pref = Preferences::instance();
+    QIniSettings s("qBittorrent", "qBittorrent-data");
+    QVariantHash v = pref->getStats();
+
+    // Let's test if the qbittorrent.ini holds the key
+    if (!v.isEmpty()) {
+        m_dirty = true;
+
+        // If the user has used qbt > 3.1.5 and then reinstalled/used
+        // qbt < 3.1.6, there will be stats in qbittorrent-data.ini too
+        // so we need to merge those 2.
+        if (s.contains("Stats/AllStats")) {
+            QVariantHash tmp = s.value("Stats/AllStats").toHash();
+            v["AlltimeDL"] = v["AlltimeDL"].toULongLong() + tmp["AlltimeDL"].toULongLong();
+            v["AlltimeUL"] = v["AlltimeUL"].toULongLong() + tmp["AlltimeUL"].toULongLong();
+        }
+    }
+    else {
+        v = s.value("Stats/AllStats").toHash();
+    }
+
+    m_alltimeDL = v["AlltimeDL"].toULongLong();
+    m_alltimeUL = v["AlltimeUL"].toULongLong();
+
+    if (m_dirty) {
+        save();
+        pref->removeStats();
+    }
+}