Date & BaseDate::add_month(const int n) {
int d = day();
int m = month();
int y = year();
if(n < 0) { // "removing" month's
int j = abs(n); // n is negative..
for(int i = 0; i < j; ++i) {
--m;
if(m == 0) {
--y;
m = 12;
}
int daysInMonth = days_this_month(y, m);
if(d > daysInMonth) {
d = daysInMonth;
}
}
} else { // adding month's
for(int i = 0; i < n; ++i){
++m; // inc month
if(m > 12) {
++y;
m = 1;
}
int daysInMonth = days_this_month(y, m);
if(d > daysInMonth) {
d = daysInMonth;
}
}
}
setMjdFromDate(y, m, d);
return *this;
};
static int print_budget(void) {
struct tm *stime;
int monthly_budget, daily_budget, spent, budget_today, remaining, next_day;
int ret;
if((ret = read_db(&monthly_budget, &spent)) != EXIT_SUCCESS)
return ret;
stime = local_time();
daily_budget = monthly_budget / days_this_month();
budget_today = monthly_budget * stime->tm_mday / days_this_month();
remaining = budget_today - spent;
if(remaining >= 0) {
printf("%02d.%02d.%04d; %d;\n",
stime->tm_mday, stime->tm_mon + 1, stime->tm_year + 1900,
remaining);
} else if(spent < monthly_budget) {
next_day = days_this_month() - (monthly_budget - spent) / daily_budget;
if(spent % daily_budget == 0) next_day++;
printf("%02d.%02d.%4d;\n",
next_day, stime->tm_mon + 1, stime->tm_year + 1900);
} else {
if(stime->tm_mon++ > 11) {
stime->tm_mon = 0;
stime->tm_year++;
}
printf("01.%02d.%4d;\n",
stime->tm_mon + 1, stime->tm_year + 1900);
}
return EXIT_SUCCESS;
}
void Date::add_month(int n) {
int yearShift = (int) floor( (double) (((int) _month) + n -1)/ ((int) month_this_year()));
//if(n < 0){yearShift--;}
add_year(yearShift);
_month = ((12+(((int)_month-1+ n ) % 12)) % 12) +1;
//Updating year according to removed/added number of month
if(_day>days_this_month()){
_day = days_this_month();
}
}
void Date::add_year(int n) {
/*if( (_year+n > maxYear) || (_year+n < minYear)){
std::cout << "Warning or something might be unspported\n";
}*/
_year += n;
if(_month > month_this_year()){
_month = month_this_year();
}
if(_day > days_this_month()){
_day = days_this_month();
}
}
void Date::add_year (int n) {
this->y += n;
if(!valid_date(year(), month(), day())) {
this->d = days_this_month();
}
this->julian_day_number = calc_julian_day_number(year(), month(), day());
}
void Date::add_month (int n) {
// Negative
if(n < 0)
{
int tmp = month();
this->m = tmp - abs(n) > 0 ? tmp - abs(n) : 12 - abs(n + tmp) % 12;
if(n + tmp <= 0) {
this->y -= (1 + floor(abs(n + tmp)/12));
}
} else {
int months = abs(n) + month();
if(months % 12 != 0)
this->m = months % 12;
else
this->m = 12;
if(months > 12 && months % 12 != 0) {
this->y += months / 12;
} else if (months > 12) {
this->y += months / 12 - 1;
}
}
if(!valid_date(year(), month(), day())) {
this->d = days_this_month();
}
this->julian_day_number = calc_julian_day_number(year(), month(), day());
}
void lab2::Julian::add_month(int n) {
const int years = n / 12;
const int months = n % 12;
const int new_month = _month + months;
_year += years;
if (new_month > 12) {
_month = new_month - 12;
++_year;
} else if (new_month < 1) {
_month = new_month + 12;
--_year;
} else {
_month += months;
}
// Year 0 is -1 in Julian
if ((_year == 0) && (n > 0))
_year = 1;
else if ((_year == 0) && (n < 0))
_year = -1;
const unsigned int dtm = days_this_month();
if (_day > dtm) _day = dtm;
date_to_jdn();
}
void Julian::add_one_month(){
if((day()==31&&month()==7) || (day()==31&&month()==12)){
offset+=31;
return;
}
if(day()==31){
offset+=30;
return;
}
if(day()==30&&month()==1){
offset+=30;
return;
}
if(day()==29&&month()==1){
if(is_leap_year()){
offset+=31;
}else{
offset+=30;
}
return;
}
offset+=days_this_month();
return;
}
Date &Date::operator+=(int d) {
int tmpDay = _day +d;
while((tmpDay < 1)||(tmpDay > (int) days_this_month()) ){
if(tmpDay < 1){
this->add_month((-1));
tmpDay += days_this_month();
}
else if( tmpDay> (int) days_this_month()){
tmpDay -= days_this_month();
this->add_month(1);
}
}
_day =(unsigned) tmpDay;
return *this;
}
bool Date::valid_date(int year, int month, int day) const {
if(year <= 1858 || year >= 2558
|| month <= 0 || month > months_per_year()
|| day <= 0 || day > days_this_month()) {
return false;
}
return true;
}
void lab2::Gregorian::add_year(int n) {
_year += n;
const unsigned int dtm = days_this_month();
if (_day > dtm) _day = dtm;
date_to_jdn();
}
static int print_budget_verbose(int summary) {
struct tm *stime;
int monthly_budget, daily_budget, spent, budget_today, remaining, next_day;
int ret;
if((ret = read_db(&monthly_budget, &spent)) != EXIT_SUCCESS)
return ret;
stime = local_time();
daily_budget = monthly_budget / days_this_month();
budget_today = monthly_budget * stime->tm_mday / days_this_month();
remaining = budget_today - spent;
if(summary) {
printf("--------------------------------------\n");
printf(" JUNK FOOD SUMMARY:\n");
printf("--------------------------------------\n");
printf(" Today is %02d.%02d.%4d.\n",
stime->tm_mday, stime->tm_mon + 1, stime->tm_year + 1900);
printf(" Your monthly budget is: %d.%02d " CURRENCY "\n",
BREAKUP(monthly_budget));
printf(" You spent: %d.%02d " CURRENCY "\n",
BREAKUP(spent));
printf(" Budget until today: %d.%02d " CURRENCY "\n",
BREAKUP(budget_today));
printf("--------------------------------------\n\n");
}
printf("You can spend ");
if(remaining >= 0) {
printf("%d.%02d " CURRENCY "\n\n", BREAKUP(remaining));
} else if(spent < monthly_budget) {
next_day = days_this_month() - (monthly_budget - spent) / daily_budget;
if(spent % daily_budget == 0) next_day++;
printf("again on %02d.%02d.%4d\n\n",
next_day, stime->tm_mon + 1, stime->tm_year + 1900);
} else {
printf("again next month.\n\n");
}
return EXIT_SUCCESS;
}
lab2::Gregorian::Gregorian(unsigned int year, unsigned int month, unsigned int day) {
_year = year;
if(month > month_this_year() || month < 1){
throw std::invalid_argument("");
}
_month = month;
if(day > days_this_month() || day < 1){
throw std::invalid_argument("");
}
_day = day;
}
void lab2::Julian::add_year(int n) {
_year += n;
// Year 0 is -1 in Julian
if ((_year == 0) && (n > 0))
_year = 1;
else if ((_year == 0) && (n < 0))
_year = -1;
const unsigned int dtm = days_this_month();
if (_day > dtm) _day = dtm;
date_to_jdn();
}
// Check if the set date is valid.
void BaseDate::isDateValid() const {
int d = day();
int m = month();
int y = year();
if(y < 1858 || y > 2558) {
std::out_of_range("Year is not vaild");
}
if(m < 1 || m > 12) {
std::out_of_range("Month is not valid");
}
if (d < 1 || d > days_this_month()) {
std::out_of_range("Day is not valid");
}
};
Middle& Middle::add_month(int n) {
int sign = -1;
if( n > 0) {
sign = 1;
}
n = std::abs(n);
for(int i = 0; i < n; ++i) {
if(days_month(year(), month() + sign) < day()){
_numeric += 30 * sign;
} else if(sign > 0) {
_numeric += days_this_month();
} else {
_numeric -= days_month(year(), month()-1);
}
}
return *this;
}
void lab2::Gregorian::add_month(int n) {
const int years = n / 12;
const int months = n % 12;
const int new_month = _month + months;
_year += years;
if (new_month > 12) {
_month = new_month - 12;
++_year;
} else if (new_month < 1) {
_month = new_month + 12;
--_year;
} else {
_month += months;
}
const unsigned int dtm = days_this_month();
if (_day > dtm) _day = dtm;
date_to_jdn();
}
Gregorian::Gregorian(int new_year,int new_month,int new_day):Date(new_year,new_month,new_day){
if(new_month > 12 || new_month < 1 || new_day < 1 || new_day > days_this_month()){
throw std::out_of_range("Invalid date\n");
}
}
static int init_month(const int daily_budget) {
return write_db(daily_budget * days_this_month(), 0);
}