1 files changed, 62 insertions, 0 deletions
diff --git a/src/study/StudyRecord.h b/src/study/StudyRecord.h
new file mode 100644
index 0000000..abe7ef9
--- /dev/null
+++ b/src/study/StudyRecord.h
@@ -0,0 +1,62 @@
+#ifndef STUDYRECORD_H
+#define STUDYRECORD_H
+
+#include <iostream>
+#include <QDateTime>
+
+using std::ostream;
+
+class ScheduleParams;
+
+struct StudyRecord
+{
+public:
+    static const int MaxAnswerTime = 180;   // sec
+    enum Level
+    {
+        New = 1,
+        ShortLearning = 2,
+        LongLearning = 3,
+        Repeating = 10
+    };
+    enum Grade
+    {
+        Unknown = 1,
+        Incorrect = 2,
+        Difficult = 3,
+        Good = 4,
+        Easy = 5,
+        GradesNum = 5
+    };
+    
+public:
+    StudyRecord();
+    StudyRecord(int level, int grade, double easiness, double interval);
+
+    bool timeTriggered() const;
+    int getSecsToNextRepetition() const;
+    bool isOneDayOld() const;
+    bool isLearning() const;
+    int getScheduledTodayReviews() const;
+    bool isReviewedToday() const;
+    bool isActivatedToday() const;
+    bool operator==( const StudyRecord& aOther ) const;
+    void setRecallTime(double time);
+    void setAnswerTime(double time);
+
+private:
+    static QDateTime shiftedDate(const QDateTime& aDate);
+
+public:
+    QDateTime date;
+    int level;
+    double interval;     // days
+    int grade;
+    double easiness;
+    double recallTime;   // sec
+    double answerTime;   // Full answer time: recall + grading
+};
+
+ostream& operator<<(ostream& os, const StudyRecord& study);
+
+#endif