cs_Time.h

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#pragma once
 
#include <stdint.h>
#include <time/cs_DayOfWeek.h>
#include <time/cs_TimeOfDay.h>
 
class Time {
private:
    uint32_t posixTimeStamp;
 
public:
    Time(uint32_t posixTime) : posixTimeStamp(posixTime) {}
 
    Time(DayOfWeek day, uint8_t hours, uint8_t minutes, uint8_t seconds = 0)
            : Time(dayNumber(day + (7 - 4)) * 24 * 60 * 60 + hours * 60 * 60 + minutes * 60 + seconds) {
        // add (7-4) days because epoch is on a thursday in order to get
        // dayNumber(thursday + (7-4)) == 0
    }
 
    uint32_t timestamp() { return posixTimeStamp; }
 
    bool isValid() { return posixTimeStamp != 0; }
 
    DayOfWeek dayOfWeek() { return DayOfWeek(1 << ((posixTimeStamp / (60 * 60 * 24) + 4) % 7)); }
 
    TimeOfDay timeOfDay() { return TimeOfDay(TimeOfDay::BaseTime::Midnight, posixTimeStamp); }
};