Invalidate hour cache when enabling/disabling sessions

sleepyhead/SleepLib/day.cpp

@@ -791,7 +791,7 @@ qint64 Day::total_time(MachineType type)
         Session &sess = *(*it);
         int slicesize = sess.m_slices.size();
 
-        if ((sess.type() == type) && sess.enabled()) {
+        if (sess.enabled() && (sess.type() == type)) {
             first = sess.first();
             last = sess.last();
 

sleepyhead/SleepLib/profiles.cpp

@@ -1260,6 +1260,39 @@ EventDataType Profile::calcBelowThreshold(ChannelID code, EventDataType threshol
     return val;
 }
 
+Day * Profile::findSessionDay(Session * session)
+{
+    MachineType mt = session->type();
+
+    QDate start = LastGoodDay(mt);
+    QDate end = LastGoodDay(mt);
+
+    QDate date = start;
+
+    if (date.isNull()) {
+        return 0;
+    }
+
+    double val = 0;
+    int cnt = 0;
+
+    do {
+        Day *day = FindGoodDay(date, mt);
+
+        if (day) {
+            for (int i=0; i<day->size(); i++) {
+                Session * s = day->sessions.at(i);
+                if (s == session) {
+                    return day;
+                }
+            }
+         }
+
+        date = date.addDays(1);
+    } while (date <= end);
+    return nullptr;
+}
+
 
 EventDataType Profile::calcAvg(ChannelID code, MachineType mt, QDate start, QDate end)
 {

sleepyhead/SleepLib/profiles.h

@@ -181,6 +181,7 @@ class Profile : public Preferences
                                      QDate start = QDate(), QDate end = QDate());
 
 
+    Day * findSessionDay(Session * session);
     // XML load components
     virtual void ExtraLoad(QDomElement &root);
 

sleepyhead/SleepLib/session.cpp

@@ -86,6 +86,17 @@ void Session::TrashEvents()
     eventlist.squeeze();
 }
 
+void Session::setEnabled(bool b)
+{
+    s_enabled = b;
+    // not so simple.. we have to invalidate the hours cache in the day record..
+
+    Day * day = p_profile->findSessionDay(this);
+    if (day) {
+        day->invalidate();
+    }
+}
+
 QString Session::eventFile() const
 {
     return s_machine->getEventsPath()+QString().sprintf("%08lx.001", s_session);

sleepyhead/SleepLib/session.h

@@ -111,7 +111,7 @@ class Session
     inline bool enabled() const { return s_enabled; }
 
     //! \brief Sets whether or not session is being used.
-    void setEnabled(bool b) { s_enabled = b; }
+    void setEnabled(bool b);
 
     inline qint64 realFirst() const { return s_first; }
     inline qint64 realLast() const { return s_last; }