time_interval.h

//  Copyright 2020-2021 Herald Project Contributors
//  SPDX-License-Identifier: Apache-2.0
//
 
#ifndef HERALD_TIME_INTERVAL_H
#define HERALD_TIME_INTERVAL_H
 
#include "date.h"
 
#include <string>
#include <memory>
 
#include <cstdint>
#include <climits>
 
namespace herald {
namespace datatype {
 
class TimeInterval {
public:
  static TimeInterval minutes(long minutes);
  static TimeInterval seconds(long seconds);
  static TimeInterval never();
  static TimeInterval zero();
 
  TimeInterval(long seconds);
  TimeInterval(const Date& date);
  TimeInterval(const Date& from, const Date& to);
  TimeInterval(const TimeInterval& other); // copy ctor
 
  ~TimeInterval();
 
  TimeInterval& operator=(const TimeInterval& other) noexcept; // copy assign
 
  TimeInterval operator*(const TimeInterval& other) noexcept;
  TimeInterval operator+(const TimeInterval& other) noexcept;
  TimeInterval& operator+=(const TimeInterval& other) noexcept;
  TimeInterval operator-(const TimeInterval& other) noexcept;
  TimeInterval& operator-=(const TimeInterval& other) noexcept;
  TimeInterval operator*(double multiplier) noexcept;
  TimeInterval& operator*=(double multiplier) noexcept;
  TimeInterval operator/(double divisor) noexcept;
  TimeInterval& operator/=(double divisor) noexcept;
  
  bool operator>(const TimeInterval& other) const noexcept;
  bool operator>=(const TimeInterval& other) const noexcept;
  bool operator<(const TimeInterval& other) const noexcept;
  bool operator<=(const TimeInterval& other) const noexcept;
  bool operator==(const TimeInterval& other) const noexcept;
  bool operator!=(const TimeInterval& other) const noexcept;
 
  long millis() const noexcept;
  long seconds() const noexcept;
 
  operator std::string() const noexcept;
  operator long() const noexcept; // returns SECONDS not millis
 
private:
  long secs;
};
 
} // end namespace
} // end namespace
 
#endif