git.maemo.org Git - impuzzle/blob - src/statistics.cpp

   1 #include "statistics.h"
   2 #include "defines.h"
   3
   4 #include <QDir>
   5 #include <QFile>
   6 #include <QTextStream>
   7 #include <QStringList>
   8
   9 Statistics *Statistics::instance_ = 0;
  10
  11 Statistics::Statistics(QObject *parent) :
  12         QObject(parent)
  13 {
  14     moves_ << 0 << 0;
  15     minMoves_ << 0 << 0;
  16     maxMoves_ << 0 << 0;
  17     games_ << 0 << 0;
  18
  19     readFile();
  20 }
  21
  22 Statistics *Statistics::instance()
  23 {
  24     if(!instance_) {
  25         instance_ = new Statistics;
  26     }
  27
  28     return instance_;
  29 }
  30
  31 int Statistics::gameCount(Difficulty difficulty) const
  32 {
  33     return games_.at(difficulty);
  34 }
  35
  36 int Statistics::totalGameCount() const
  37 {
  38     int count = 0;
  39     for(int i = 0; i < games_.count(); ++i) {
  40         count += games_.at(i);
  41     }
  42
  43     return count;
  44 }
  45
  46 qreal Statistics::averageMoves(Difficulty difficulty) const
  47 {
  48     qreal count = 0.0;
  49     if(games_.at(difficulty) > 0) {
  50         count = moves_.at(difficulty) / static_cast<qreal>(games_.at(difficulty));
  51     }
  52
  53     return count;
  54 }
  55
  56 int Statistics::minMoves(Difficulty difficulty) const
  57 {
  58     return minMoves_.at(difficulty);
  59 }
  60
  61 int Statistics::maxMoves(Difficulty difficulty) const
  62 {
  63     return maxMoves_.at(difficulty);
  64 }
  65
  66 void Statistics::addNewScore(int moves, Difficulty difficulty)
  67 {
  68     if(moves_.count() >= difficulty) {
  69         moves_[difficulty] += (moves_[difficulty] + moves);
  70     }
  71
  72     if(maxMoves_.count() >= difficulty) {
  73         if(maxMoves_.at(difficulty) < moves || maxMoves_.at(difficulty) == 0) {
  74             maxMoves_[difficulty] = moves;
  75         }
  76     }
  77
  78     if(minMoves_.count() >= difficulty) {
  79         if(minMoves_.at(difficulty) > moves || minMoves_.at(difficulty) == 0) {
  80             minMoves_[difficulty] = moves;
  81         }
  82     }
  83
  84     saveFile();
  85 }
  86
  87 void Statistics::increaseGameCount(Difficulty difficulty)
  88 {
  89     if(games_.count() >= difficulty) {
  90         games_[difficulty]++;
  91     }
  92 }
  93
  94 void Statistics::readFile()
  95 {
  96     QFile file(QString("%1/%2/%3")
  97                .arg(QDir::homePath())
  98                .arg(HOME_DIRECTORY)
  99                .arg(STATS_FILE));
 100
 101     if(!file.exists()) {
 102         return;
 103     }
 104
 105     if(!file.open(QIODevice::ReadOnly)) {
 106         return;
 107     }
 108
 109     QTextStream in(&file);
 110
 111     while(!in.atEnd()) {
 112         QString str = in.readLine();
 113
 114         QStringList list = str.split(" ");
 115
 116         if(list.count() == 5) {
 117             moves_[list.at(0).toInt()] = list.at(1).toInt();
 118             minMoves_[list.at(0).toInt()] = list.at(2).toInt();
 119             maxMoves_[list.at(0).toInt()] = list.at(3).toInt();
 120             games_[list.at(0).toInt()] = list.at(4).toInt();
 121         }
 122     }
 123
 124     file.close();
 125 }
 126
 127 void Statistics::saveFile()
 128 {
 129     QFile file(QString("%1/%2/%3")
 130                .arg(QDir::homePath())
 131                .arg(HOME_DIRECTORY)
 132                .arg(STATS_FILE));
 133
 134     if(!file.open(QIODevice::WriteOnly)) {
 135         return;
 136     }
 137
 138     QTextStream out(&file);
 139
 140     for(int i = 0; i < games_.count(); i++) {
 141         out << QString("%1 %2 %3 %4 %5\n")
 142                 .arg(i)
 143                 .arg(moves_.at(i))
 144                 .arg(minMoves_.at(i))
 145                 .arg(maxMoves_.at(i))
 146                 .arg(games_.at(i));
 147     }
 148
 149     file.close();
 150 }