farm.cpp

#include "farm.h"

Farm::Farm(int shenase):owner(shenase),myAvi(shenase),myDai(shenase),myShe(shenase),mySil(shenase),mySto(shenase),myWhe(shenase),myAlf(shenase)
{


}


void Farm::write_milk(int shenase ,int tedad,int day){

struct milk{
int shenaseP;//male chekasei.
int day;//roz vared shodan be storage.
int tedad;//tedadi ke onroz vard storage shode.
bool spoiled;//kharab shode =>1 , kharab nashode=>0.
}m;
m.day=day;
m.shenaseP=shenase;
m.tedad=tedad;
m.spoiled=0;
std::ofstream outfile;//for writing in new file.
outfile.open("milk.txt",std::ios::app);
outfile.write((char*)&m,sizeof(m));
outfile.close();
}



int Farm::read_milk(int shenase,int day){

struct milk{
int shenaseP;//male chekasei.
int day;//roz vared shodan be storage.
int tedad;//tedadi ke onroz vard storage shode.
bool spoiled;//kharab shode =>1 , kharab nashode=>0.
}m;
int result=0;
bool peyda=1;
std::ifstream infile;
std::ofstream outfile;//for writing in new file.
infile.open("milk.txt",std::ios::in);
outfile.open("milk-temp.txt",std::ios::app);
if(infile.is_open()){

infile.seekg(0,std::ios::end);
int size=infile.tellg();
infile.seekg(0,std::ios::beg);
while(infile.tellg()<size){
    infile.read((char*)&m,sizeof(m));
    if(peyda)
    if(m.shenaseP==shenase)
    if(!m.spoiled)
    if((day-m.day)>=10){
       m.spoiled=1;
       result= -(m.tedad);//tedadi ke bayad az anbar kam beshe.
       peyda=0;
    }
    outfile.write((char*)&m,sizeof (m));

}
outfile.close();
}
infile.close();
remove("milk.txt");
rename("milk-temp.txt","milk.txt");
 return result;
}

void Farm::sell_milk(int shenase,int tedad){

    struct milk{
    int shenaseP;//male chekasei.
    int day;//roz vared shodan be storage.
    int tedad;//tedadi ke onroz vard storage shode.
    bool spoiled;//kharab shode =>1 , kharab nashode=>0.
    }m;


    std::ifstream infile;
    std::ofstream outfile;//for writing in new file.
    infile.open("milk.txt",std::ios::in);
    outfile.open("milk-temp.txt",std::ios::app);
    if(infile.is_open()){
        infile.seekg(0,std::ios::end);
        int size=infile.tellg();
        infile.seekg(0,std::ios::beg);
    while(infile.tellg()<size){
        infile.read((char*)&m,sizeof(m));
        if(tedad)
        if(m.shenaseP==shenase)
        if(!m.spoiled)
        {
            int temp=m.tedad;
           m.tedad-=tedad;
           if(m.tedad<0)
               m.tedad=0;
           tedad-=temp;
           if(tedad<0)
               tedad=0;
        }
        outfile.write((char*)&m,sizeof (m));

    }
    outfile.close();
    }
    infile.close();
    remove("milk.txt");
    rename("milk-temp.txt","milk.txt");

}