Date.cpp

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/* 
 * File:   Date.cpp
 * Author: Bahati Boniface
 * 
 * Created on April 25, 2017, 4:28 PM
 */

#include "Date.h"
#include <ctime> //Time dependency 
#include <string>
#include <sstream>

Date::Date() {


    time_t t = time(0); //time(0); or time(NULL); returns the system
    //time in seconds 
    struct tm *now = localtime(&t);
    year = now->tm_year + 1900; //http://soen.kr/lecture/ccpp/cpp1/8-1-1.htm 
    month = now->tm_mon + 1;
    day = now->tm_mday;

}

void Date::setDate(int d, int m, int y) {
    day = d;
    month = m;
    year = y;
}

int Date::getDay() {
    return day;
}

int Date::getMonth() {
    return month;
}

int Date::getYear() {
    return year;
}
const std::string Date::DayNames[7] = {
    "Sun",
    "Mon",
    "Tue",
    "Wen",
    "Thu",
    "Fri",
    "Sat"
};

const std::string Date::MonthNames[12] = {
    "January",
    "February",
    "March",
    "April",
    "May",
    "June",
    "July",
    "August",
    "September",
    "October",
    "November",
    "December"
};

const int Date::MonthDays[12] = {
    31, 28, 31, 30, 31, 30,
    31, 31, 30, 31, 30, 31,
};

void Date::IncreaseMonth() {
    if (month < 12)
        ++month;
    else {
        month = 1;
        ++year;
    }
}

void Date::DecreaseMonth() {
    if (month > 1)
        --month;
    else {
        month = 12;
        --year;
    }
}

string Date::ToString() const {
    stringstream ss;
    ss << year << "-" << month << "-" << day;
    return ss.str();
}