1 files changed, 58 insertions, 18 deletions

diff --git a/src/libwalletqt/TransactionHistory.cpp b/src/libwalletqt/TransactionHistory.cpp
index 2c2c9f73..7fd7c7bc 100644
--- a/src/libwalletqt/TransactionHistory.cpp
+++ b/src/libwalletqt/TransactionHistory.cpp
@@ -2,49 +2,89 @@
 #include "TransactionInfo.h"
 #include <wallet/wallet2_api.h>
 
+#include <QDebug>
 
-int TransactionHistory::count() const
-{
-    return m_pimpl->count();
-}
 
 TransactionInfo *TransactionHistory::transaction(int index)
 {
-    // box up Bitmonero::TransactionInfo
-    Bitmonero::TransactionInfo * impl = m_pimpl->transaction(index);
-    TransactionInfo * result = new TransactionInfo(impl, this);
-    return result;
-}
 
-TransactionInfo *TransactionHistory::transaction(const QString &id)
-{
-    // box up Bitmonero::TransactionInfo
-    Bitmonero::TransactionInfo * impl = m_pimpl->transaction(id.toStdString());
-    TransactionInfo * result = new TransactionInfo(impl, this);
-    return result;
+    if (index < 0 || index >= m_tinfo.size()) {
+        qCritical("%s: no transaction info for index %d", __FUNCTION__, index);
+        qCritical("%s: there's %d transactions in backend", __FUNCTION__, m_pimpl->count());
+        return nullptr;
+    }
+    return m_tinfo.at(index);
 }
 
+//// XXX: not sure if this method really needed;
+//TransactionInfo *TransactionHistory::transaction(const QString &id)
+//{
+//    return nullptr;
+//}
+
 QList<TransactionInfo *> TransactionHistory::getAll() const
 {
+    // XXX this invalidates previously saved history that might be used by model
+    emit refreshStarted();
     qDeleteAll(m_tinfo);
     m_tinfo.clear();
+
+    QDateTime firstDateTime = QDateTime::currentDateTime();
+    QDateTime lastDateTime  = QDateTime(QDate(1970, 1, 1));
+
     TransactionHistory * parent = const_cast<TransactionHistory*>(this);
     for (const auto i : m_pimpl->getAll()) {
         TransactionInfo * ti = new TransactionInfo(i, parent);
         m_tinfo.append(ti);
+        // looking for transactions timestamp scope
+        if (ti->timestamp() >= lastDateTime) {
+            lastDateTime = ti->timestamp();
+        }
+        if (ti->timestamp() <= firstDateTime) {
+            firstDateTime = ti->timestamp();
+        }
+    }
+    emit refreshFinished();
+
+    if (m_firstDateTime != firstDateTime) {
+        m_firstDateTime = firstDateTime;
+        emit firstDateTimeChanged();
+    }
+    if (m_lastDateTime != lastDateTime) {
+        m_lastDateTime = lastDateTime;
+        emit lastDateTimeChanged();
     }
+
     return m_tinfo;
 }
 
 void TransactionHistory::refresh()
 {
-    // XXX this invalidates previously saved history that might be used by clients
+    // rebuilding transaction list in wallet_api;
     m_pimpl->refresh();
-    emit invalidated();
+    // copying list here and keep track on every item to avoid memleaks
+    getAll();
 }
 
+quint64 TransactionHistory::count() const
+{
+    return m_tinfo.count();
+}
+
+QDateTime TransactionHistory::firstDateTime() const
+{
+    return m_firstDateTime;
+}
+
+QDateTime TransactionHistory::lastDateTime() const
+{
+    return m_lastDateTime;
+}
+
+
 TransactionHistory::TransactionHistory(Bitmonero::TransactionHistory *pimpl, QObject *parent)
     : QObject(parent), m_pimpl(pimpl)
 {
-
+    m_firstDateTime = QDateTime(QDate(1970, 1, 1));
+    m_lastDateTime  = QDateTime::currentDateTime();
 }