src/status.cpp

   1 #include <QDateTime>
   2 #include <QDebug>
   3
   4 #include "status.h"
   5
   6 Status::Status(JourneyModel &journeymodel, QObject *parent) : QObject(parent),
   7   cycling(false),
   8   startTime(0u),
   9   journeymodel(journeymodel)
  10 {
  11
  12 }
  13
  14 bool Status::getCycling() const {
  15     return cycling;
  16 }
  17
  18 quint64 Status::getStartTime() const {
  19     return startTime;
  20 }
  21
  22 quint64 Status::getDuration() const {
  23     return (QDateTime::currentMSecsSinceEpoch() - startTime) / 1000;
  24 }
  25
  26 void Status::setCycling(bool value) {
  27     cycling = value;
  28     emit cyclingChanged(cycling);
  29 }
  30
  31 void Status::setStartTime(quint64 value) {
  32     startTime = value;
  33     emit startTimeChanged(startTime);
  34 }
  35
  36 void Status::startJourney() {
  37     setCycling(true);
  38     setStartTime(QDateTime::currentMSecsSinceEpoch());
  39 }
  40
  41 quint64 Status::getJourneyCount() const {
  42     return journeymodel.rowCount();
  43 }
  44
  45 quint64 Status::getTimeSpentCycling() const {
  46     quint64 time;
  47     QList<Journey> const & journeys = journeymodel.getData();
  48
  49     time = 0u;
  50     foreach(Journey journey, journeys) {
  51         time += journey.getDuration();
  52     }
  53
  54     return time;
  55 }
  56
  57 double Status::getAverageDuration() const {
  58     quint64 time = getTimeSpentCycling();
  59     quint64 count = Status::getJourneyCount();
  60
  61     return ((double)time / (double)count);
  62 }
  63
  64 double Status::getSpeedPercentile() const {
  65     quint64 overtook;
  66     quint64 overtakenby;
  67     QList<Journey> const & journeys = journeymodel.getData();
  68     double percentile;
  69
  70     overtook = 0u;
  71     overtakenby = 0u;
  72     foreach(Journey journey, journeys) {
  73         overtook += journey.getOvertook();
  74         overtakenby += journey.getOvertakenBy();
  75     }
  76
  77     percentile = (double)overtook / (double)(overtook + overtakenby);
  78
  79     return percentile;
  80 }
  81
  82 QString Status::getFormattedTime(quint64 seconds, int min, int max) {
  83     static const QString plural[5] = {"s", "m", "h", "d", "y"};
  84     static const QString singular[5] = {"s", "m", "h", "d", "y"};
  85     static const quint64 base[5] = {60, 60, 24, 365, (quint64)-1};
  86     quint64 remaining;
  87     quint64 portion;
  88     QString formatted;
  89     QList<quint64> portions;
  90
  91     min = qBound(0, min, static_cast<int>(sizeof(base)));
  92     max = qBound(0, max, static_cast<int>(sizeof(base)));
  93
  94     remaining = seconds;
  95     for (int unit = 0; unit < max; unit++) {
  96         portion = (unit == max - 1) ? remaining : remaining % base[unit];
  97         portions << portion;
  98         remaining /= base[unit];
  99         qDebug() << plural[unit] << ": " << portion;
 100     }
 101
 102     formatted = "";
 103     for (int unit = max - 1; unit >= min; unit--) {
 104         portion = portions[unit];
 105
 106         if (portion != 0) {
 107             if (formatted.length() > 0) {
 108                 formatted += " ";
 109             }
 110             formatted += QString::number(portion) + " " + ((portion == 1) ? singular[unit] : plural[unit]);
 111         }
 112     }
 113
 114     return formatted;
 115 }
 116