Notes

#include <iostream>
#include <cstdio>
#include <fstream>
#include <string>
#include "date.h"
using namespace std;

bool has_suffix(string str, string suffix){
return str.size() >= suffix.size() &&
str.compare(str.size() - suffix.size(), suffix.size(), suffix) == 0;
}

void take_input(string &res, string prompt){
cout<<prompt<<endl;
cin>>res;
}

bool is_valid(string &name){
return has_suffix(name, ".txt");
}


int main(){
//Date planting[20];
string input_file_name,output_file_name;
take_input(input_file_name,"enter input file name");
take_input(output_file_name,"enter output file name");
if(!is_valid(input_file_name)||!is_valid(output_file_name)){
printf("Invalid namesn");
return 0;
}
ifstream my_in_file (input_file_name.c_str());
ofstream my_out_file(output_file_name.c_str());

if(my_in_file.is_open() && my_out_file.is_open()){
string plant_variety;
getline(my_in_file,plant_variety);
Date planning_date,frost_fall_date;
int mon,day,year;
my_in_file>>mon>>day>>year;
planning_date.setDate(mon,day,year);
int days_til_maturity;
my_in_file>>days_til_maturity;
Date maturity_date;
maturity_date = planning_date;
maturity_date.addDays(days_til_maturity);
int interval;
my_in_file>>interval;
my_in_file>>mon>>day>>year;
frost_fall_date.setDate(mon,day,year);
my_out_file<<"Data entered:"<<endl;
my_out_file<<"tPlant Variety?"<<plant_variety<<endl;
my_out_file<<"tStart Date? "<<planning_date.getDateAsString()<<endl;
my_out_file<<"tDays Until Maturity? "<<days_til_maturity<<endl;
my_out_file<<"tDays Between Planting? "<<interval<<endl;
my_out_file<<"tFrost Fall Date? "<<frost_fall_date.getDateAsString()<<endl;
my_out_file<<"Planting Schedule for "<<plant_variety<<endl;
my_out_file<<"================================="<<endl;
int cnt = 0;
// frost_fall_date.addDays(-14);
do{

cnt++;
my_out_file<<"Planting #"<<cnt<<": "<<planning_date.getDateAsString()<<endl;
planning_date.addDays(interval);
maturity_date = planning_date;
maturity_date.addDays(days_til_maturity);
//maturity_date.addDays(interval);
//cout << planning_date.getDateAsString() << endl;
//cout << maturity_date.getDateAsString() << endl;
}while(maturity_date<frost_fall_date);

}else{
cout << "Can't open filesn";
}
my_in_file.close();
my_out_file.close();
system("PAUSE");
}