From 7679c3daeb2e7ca21b592142bfbd4aaf0d85ce7c Mon Sep 17 00:00:00 2001
From: Mark Watkins <jedimark@users.sourceforge.net>
Date: Wed, 6 Aug 2014 08:14:51 +1000
Subject: [PATCH] Added Large Leak flagging where not present using redline

---
 sleepyhead/SleepLib/calcs.cpp   | 48 +++++++++++++++++++++++++++++++++
 sleepyhead/SleepLib/calcs.h     |  3 +++
 sleepyhead/SleepLib/session.cpp |  2 ++
 sleepyhead/daily.cpp            |  2 +-
 4 files changed, 54 insertions(+), 1 deletion(-)

diff --git a/sleepyhead/SleepLib/calcs.cpp b/sleepyhead/SleepLib/calcs.cpp
index 58143049..215fdfbc 100644
--- a/sleepyhead/SleepLib/calcs.cpp
+++ b/sleepyhead/SleepLib/calcs.cpp
@@ -1683,6 +1683,53 @@ void zMaskProfile::updateProfile(Session *session)
     //    }
 }
 
+
+void flagLargeLeaks(Session *session)
+{
+    if (session->eventlist.contains(CPAP_LargeLeak))
+        return;
+
+
+    EventDataType threshold = p_profile->cpap->leakRedline();
+
+    if (threshold <= 0) {
+        return;
+    }
+
+    QVector<EventList *> & EVL = session->eventlist[CPAP_Leak];
+    int evlsize = EVL.size();
+    EventList * LL = nullptr;
+
+    for (int ec = 0; ec < evlsize; ++ec) {
+        EventList &el = *EVL[ec];
+        int count = el.count();
+        if (!count) continue;
+
+        qint64 leaktime = 0;
+        EventDataType leakvalue = 0, lastvalue = -1;
+
+
+        for (int i=0; i < count; ++i) {
+            qint64 time = el.time(i);
+            EventDataType value = el.data(i);
+            if (value >= threshold) {
+                if (lastvalue < threshold) {
+                    leaktime = time;
+                    leakvalue = value;
+                }
+            } else if (lastvalue > threshold) {
+                if (!LL) {
+                    LL=session->AddEventList(CPAP_LargeLeak, EVL_Event);
+                }
+                int duration = (time - leaktime) / 1000L;
+                LL->AddEvent(time, duration);
+            }
+            lastvalue = value;
+        }
+
+    }
+}
+
 QMutex zMaskmutex;
 zMaskProfile mmaskProfile(Mask_NasalPillows, "ResMed Swift FX");
 bool mmaskFirst = true;
@@ -1784,6 +1831,7 @@ int calcLeaks(Session *session)
     }
 
     zMaskmutex.unlock();
+
     return leak->count();
 }
 
diff --git a/sleepyhead/SleepLib/calcs.h b/sleepyhead/SleepLib/calcs.h
index 8d71167d..6218c16e 100644
--- a/sleepyhead/SleepLib/calcs.h
+++ b/sleepyhead/SleepLib/calcs.h
@@ -151,6 +151,9 @@ int calcAHIGraph(Session *session);
 //! \brief Calculates AHI for a session between start & end (a support function for the sliding window graph)
 EventDataType calcAHI(Session *session, qint64 start = -1, qint64 end = -1);
 
+//! \brief Scans for leaks over Redline and flags as large leaks, unless machine provided them already
+void flagLargeLeaks(Session *session);
+
 //! \brief Leaks calculations for PRS1
 int calcLeaks(Session *session);
 
diff --git a/sleepyhead/SleepLib/session.cpp b/sleepyhead/SleepLib/session.cpp
index ff6e42a5..72e5416d 100644
--- a/sleepyhead/SleepLib/session.cpp
+++ b/sleepyhead/SleepLib/session.cpp
@@ -907,6 +907,8 @@ void Session::UpdateSummaries()
     calcRespRate(this);
 
     calcLeaks(this);
+    flagLargeLeaks(this);
+
     calcSPO2Drop(this);
     calcPulseChange(this);
 
diff --git a/sleepyhead/daily.cpp b/sleepyhead/daily.cpp
index 8d41ba04..d97446ef 100644
--- a/sleepyhead/daily.cpp
+++ b/sleepyhead/daily.cpp
@@ -1415,7 +1415,7 @@ void Daily::Load(QDate date)
         int c = 0;
         for (fit = flags.begin(); fit != flags.end(); ++fit) {
             ui->eventsCombo->addItem(fit.value()->enabled() ? *icon_on : * icon_off, fit.key(), fit.value()->id());
-            ui->eventsCombo->setItemData(c, fit.value()->description(), Qt::ToolTipRole);
+            ui->eventsCombo->setItemData(c, fit.value()->fullname(), Qt::ToolTipRole);
             c++;
         }
     }