src/journeymodel.cpp

   1 #include "journeymodel.h"
   2 #include <QDebug>
   3
   4 JourneyModel::JourneyModel(QObject *parent) : QAbstractListModel(parent) {
   5     roles[StartRole] = "start";
   6     roles[DurationRole] = "duration";
   7     roles[OvertookRole] = "overtook";
   8     roles[OvertakenByRole] = "overtakenby";
   9 }
  10
  11 QHash<int, QByteArray> JourneyModel::roleNames() const {
  12     return roles;
  13 }
  14
  15 void JourneyModel::addJourney(const Journey &journey)
  16 {
  17     beginInsertRows(QModelIndex(), rowCount(), rowCount());
  18     journeys << journey;
  19     endInsertRows();
  20 }
  21
  22 void JourneyModel::addJourney(QDateTime start, quint32 duration, quint32 overtook, quint32 overtakenby) {
  23     addJourney(Journey(start.currentMSecsSinceEpoch(), duration, overtook, overtakenby));
  24 }
  25
  26 int JourneyModel::rowCount(const QModelIndex & parent) const {
  27     Q_UNUSED(parent)
  28     return journeys.count();
  29 }
  30
  31 QVariant JourneyModel::data(const QModelIndex & index, int role) const {
  32     if (index.row() < 0 || index.row() > journeys.count())
  33         return QVariant();
  34
  35     const Journey &journey = journeys[index.row()];
  36     if (role == StartRole)
  37         return journey.getStart();
  38     else if (role == DurationRole)
  39         return journey.getDuration();
  40     else if (role == OvertookRole)
  41         return journey.getOvertook();
  42     else if (role == OvertakenByRole)
  43         return journey.getOvertakenBy();
  44     return QVariant();
  45 }
  46
  47 void JourneyModel::clear() {
  48     journeys.clear();
  49 }
  50
  51 void JourneyModel::exportToFile(QFile & file) {
  52     if (file.open(QIODevice::WriteOnly)) {
  53         QTextStream out(&file);
  54         for (QList<Journey>::iterator journeyIter = journeys.begin(); journeyIter != journeys.end(); journeyIter++) {
  55             out << journeyIter->getStart() << ",";
  56             out << journeyIter->getDuration() <<  ",";
  57             out << journeyIter->getOvertook() <<  ",";
  58             out << journeyIter->getOvertakenBy() << endl;
  59         }
  60         file.close();
  61     }
  62     else {
  63         qDebug() << "File failed to export";
  64     }
  65 }
  66
  67 void JourneyModel::importFromFile(QFile & file) {
  68     if (file.open(QIODevice::ReadOnly)) {
  69         QTextStream in(&file);
  70         while (!in.atEnd()) {
  71             QStringList data;
  72             quint64 start;
  73             qint32 duration = 0;
  74             qint32 overtook = 0;
  75             qint32 overtakenby = 0;
  76
  77             data = in.readLine().split(",");
  78             if (data.length() == 4) {
  79                 start = data[0].toLongLong();
  80                 duration = data[1].toLongLong();
  81                 overtook = data[2].toLongLong();
  82                 overtakenby = data[3].toLongLong();
  83
  84                 addJourney(Journey(start, duration, overtook, overtakenby));
  85             }
  86         }
  87         file.close();
  88     }
  89 }
  90
  91
  92 QDate JourneyModel::epochToDate(quint64 epoch) {
  93     QDateTime date;
  94
  95     date.setMSecsSinceEpoch(epoch);
  96     return date.date();
  97 }
  98
  99 QTime JourneyModel::epochToTime(quint64 epoch) {
 100     QDateTime date;
 101
 102     date.setMSecsSinceEpoch(epoch);
 103     return date.time();
 104 }