X-Git-Url: https://www.flypig.org.uk/git/?p=harbour-pedalo.git;a=blobdiff_plain;f=src%2Fstatsyearduration.cpp;fp=src%2Fstatsyearduration.cpp;h=19ad38089617ea3852ca6c2337127de37636277e;hp=0000000000000000000000000000000000000000;hb=336d2255eb501f5c228a80a0fa469844bbc1ee2f;hpb=54ab3ebfadf8cb258561a4641249da8c6469dc0f

diff --git a/src/statsyearduration.cpp b/src/statsyearduration.cpp
new file mode 100644
index 0000000..19ad380
--- /dev/null
+++ b/src/statsyearduration.cpp
@@ -0,0 +1,61 @@
+#include "statsyearduration.h"
+
+#define WINDOW (3)
+
+StatsYearDuration::StatsYearDuration(JourneyModel * journeys) :
+    journeys(journeys)
+{
+    title = QString("Year view (hours/mon + moving ave)");
+    units = "";
+}
+
+void StatsYearDuration::update() {
+    double duration[12];
+    double average[11 + WINDOW];
+    int pos;
+    QDate now;
+    QDate start;
+    QDate startave;
+
+    now = QDate::currentDate();
+    start = now.addMonths(-12);
+    startave = start.addMonths(1 - WINDOW);
+
+    barvalues.clear();
+    linevalues.clear();
+
+    for (pos = 0; pos < 12; pos++) {
+        duration[pos] = 0.0;
+        average[pos] = 0.0;
+    }
+
+    foreach (Journey const &journey, journeys->getData()) {
+        QDate date = journey.getStartDate();
+        if (date > start) {
+            duration[(date.month() - now.month() + 11) % 12] += journey.getDuration() / (60.0 * 60.0);
+        }
+        if (date > startave) {
+            int month = (date.month() - now.month() + 11) % 12;
+            for (pos = 0; pos < WINDOW; pos++) {
+                average[month + pos] += journey.getDuration() / (60.0 * 60.0);
+            }
+        }
+    }
+
+    labels = QStringList{"J", "F", "M", "A", "M", "J", "J", "A", "S", "O", "N", "D"};
+    for (pos = 0; pos < now.month(); pos++) {
+        // Rotate values
+        labels.push_back(labels.takeFirst());
+    }
+
+    maxval = 0.0;
+    for (pos = 0; pos < 12; pos++) {
+        if (duration[pos] > maxval) {
+            maxval = duration[pos];
+        }
+        barvalues << duration[pos];
+        linevalues << average[pos] / (double)WINDOW;
+    }
+
+    step = maxval > 5.0 ? qRound(maxval / 5.0) : (maxval / 5.0);
+}