Files i/o in C++ all operations insert , delete, view , update

files

#include<iostream.h>
#include<fstream.h>

class Inventory{
	public:
	char Prouduct_id[5];
	char Prouduct_name[10];
	char Prouduct_ammount[5];
	char Prouduct_Price[10];
	char Prouduct_shelf[5];
};
//*****************************************************************************
void insert(){
	cout<<"\t*******************************************************************"<<endl;
	char id[5];
	
	char included_id[5];
	int flag=0;
	Inventory d;
	
	
	fstream myfile;
	myfile.open("test.txt",ios::out|ios::app);
	cout<<endl;
	cout<<"Enter Prouduct ID : ";
	cin>>id;
	
	fstream myfile2;
	myfile2.open("test.txt",ios::in);
	while(!myfile2.eof()){
		myfile2.getline(included_id,4,'|');	
myfile2.getline(d.Prouduct_name,4,'|');
myfile2.getline(d.Prouduct_ammount,8,'|');
myfile2.getline(d.Prouduct_Price,11,'|');
myfile2.getline(d.Prouduct_shelf,11,'\n');;
if(strcmp(id,included_id	)==0){
	flag=1;
	
	myfile2.close();
	break;
} 

	}
		if(flag==1){
			cout<<"******************************************************************"<<endl;
		cout<<"This id already included by the file change id"<<endl;
		cout<<"******************************************************************"<<endl;
	
	cout<<"Enter Prouduct ID : ";
	cin>>id;
	flag=0;
}


	cout<<endl<<"Enter Prouduct Name : ";
	cin>>d.Prouduct_name;
	cout<<endl<<"Enter Prouduct Ammount : ";
	cin>>d.Prouduct_ammount;
	cout<<endl<<"Enter Prouduct Price : ";
	cin>>d.Prouduct_Price;
	cout<<endl<<"Enter Prouduct Shelf : ";
	cin>>d.Prouduct_shelf;
	cout<<endl;
	myfile<<id<<"|"<<d.Prouduct_name<<"|"<<d.Prouduct_ammount<<"|"<<d.Prouduct_Price<<"|"<<d.Prouduct_shelf<<"\n";	
	

	myfile.close();
}
//******************************************************************************
void view(){
cout<<"\t*******************************************************************"<<endl;
 Inventory s;
fstream file1;
file1.open("test.txt",ios::in);

while(!file1.eof()){
file1.getline(s.Prouduct_id,4,'|');	
file1.getline(s.Prouduct_name,4,'|');
file1.getline(s.Prouduct_ammount,8,'|');
file1.getline(s.Prouduct_Price,11,'|');
file1.getline(s.Prouduct_shelf,11,'\n');;


cout<<"ID:("<<s.Prouduct_id<<")=Prouduct name:("<<s.Prouduct_name<<")=Prouduct ammount:("<<s.Prouduct_ammount<<")=Prouduct Price:("<<s.Prouduct_Price<<")=Prouduct shelf :("<<s.Prouduct_shelf<<")"<<endl;
}
file1.close();
}
//*****************************************************************************
void search(){
	cout<<"\t*******************************************************************"<<endl;
	Inventory s;
	char ser[10];
	char ch[10];
	int choise;
	int found=0;
	cout<<"\t\t\t*************************"<<endl;
	cout<<"\t\t\t* To search by id--->(1)*"<<endl;
	cout<<"\t\t\t* To Search by name->(2)*"<<endl;
	cout<<"\t\t\t*************************"<<endl;
	cout<<"Enter your choise : ";
	cin>>choise;
	if(choise==1){
		cout<<"Enter the id : ";
		cin>>ch;
	} else if(choise==2){
		cout<<"Enter the name : ";
        cin>>ch;	
	}
	
	
	fstream myfile;
	myfile.open("test.txt",ios::in);
	while(!myfile.eof()){
		myfile.getline(s.Prouduct_id,4,'|');	
		myfile.getline(s.Prouduct_name,4,'|');
		myfile.getline(s.Prouduct_ammount,4,'|');
		myfile.getline(s.Prouduct_Price,4,'|');
		myfile.getline(s.Prouduct_shelf,4,'\n');
		if(choise==1){
			if(strcmp(ch,s.Prouduct_id)==0){
				cout<<"Found and his record is "<<endl;
			cout<<s.Prouduct_id<<" "<<s.Prouduct_name<<" "<<s.Prouduct_ammount<<" "<<s.Prouduct_Price<<" "<<s.Prouduct_shelf<<" "<<endl;
			found=1;
			}
		}
			else if(choise==2){
			if(strcmp(ch,s.Prouduct_name)==0 ){
			cout<<"Found and his record is "<<endl;
			cout<<s.Prouduct_id<<"|"<<s.Prouduct_name<<" "<<s.Prouduct_ammount<<" "<<s.Prouduct_Price<<" "<<s.Prouduct_shelf<<" "<<endl;
			found=1;
		}}

	}if(found=0)
		cout<<"Record not found";
		myfile.close();
		cout<<endl;
		}

//******************************************************************************
int flag=0;
void del(){
cout<<"\t*******************************************************************"<<endl;
	int way;
	int u=0;
	
	char name[20];
    char id[5];
	char ee[1];
    
    cout<<"\t\t\t****************************"<<endl;
	cout<<"\t\t\t* delete by id press--->(1)*"<<endl;
	cout<<"\t\t\t* delete by name press->(2)*"<<endl;
	cout<<"\t\t\t****************************"<<endl;
cout<<"Enter your choise : ";
	cin>>way;	 
	 	if(way==1){
        cout<<"enter product id to delete : ";
	 	cin>>id;
		 }
	 	else 
		 	if(way==2){
	 		cout<<"enter product name to delete : ";
	 	cin>>name;}
	 	Inventory s;
        fstream myfile;
	 	fstream mymyfile;
	 	myfile.open("test.txt",ios::in);//read
	 	mymyfile.open("Temp.txt",ios::out);//write

        while(!myfile.eof()){
		    myfile.getline(s.Prouduct_id,4,'|');	
			myfile.getline(s.Prouduct_name,5,'|');
	 		myfile.getline(s.Prouduct_ammount,9,'|');
	 		myfile.getline(s.Prouduct_Price,12,'|');
	 		myfile.getline(s.Prouduct_shelf,12,'\n');
         	
		 	if(way==1&&strcmp(id,s.Prouduct_id	)!=0&&strcmp(ee,s.Prouduct_id	)!=0){{
         
		 	mymyfile<<s.Prouduct_id<<"|"<<s.Prouduct_name<<"|"<<s.Prouduct_ammount<<"|"<<s.Prouduct_Price<<"|"<<s.Prouduct_shelf<<"\n";

		 } if(strcmp(id,s.Prouduct_id)==0){
			flag=1;
 		}}else
 		
		 	if(way==2&&strcmp(name,s.Prouduct_name	)!=0&&strcmp(ee,s.Prouduct_name	)!=0){{
         
		 	mymyfile<<s.Prouduct_id<<"|"<<s.Prouduct_name<<"|"<<s.Prouduct_ammount<<"|"<<s.Prouduct_Price<<"|"<<s.Prouduct_shelf<<"\n";

		 } if(strcmp(name,s.Prouduct_name)==0){
			flag=1;
 		}}

        }
         myfile.close();
		 mymyfile.close();
         remove("test.txt");
         rename("Temp.txt","test.txt");
	 	 if(flag==0)
		  {cout<<"Not found"<<endl;}

  		}

	//------------------
		 void update(){
cout<<"\t*******************************************************************"<<endl;
		 	int h=0;
			 Inventory s;
		 	char comp[10];
		 	char ch[10];
		 	int x;
		 	cout<<"To Update Name press 1 :";
		 	cin>>x;
           if(x==1){
           	cout<<"Enter the the name : ";
           	cin>>comp;
           	cout<<"Enter the new : ";
           	cin>>ch;
           }
		   fstream myfile , mymyfile ;
         myfile.open("Temp.txt",ios::out);//write
         mymyfile.open("test.txt",ios::in);//read
         while(!mymyfile.eof()){
           mymyfile.getline(s.Prouduct_id,4,'|');	
 	       mymyfile.getline(s.Prouduct_name,4,'|');
           mymyfile.getline(s.Prouduct_ammount,8,'|');
           mymyfile.getline(s.Prouduct_Price,11,'|');
           mymyfile.getline(s.Prouduct_shelf,11,'\n');
       if(strcmp(comp,s.Prouduct_name)!=0){
       	myfile<<s.Prouduct_id<<"|"<<s.Prouduct_name<<"|"<<s.Prouduct_ammount<<"|"<<s.Prouduct_Price<<"|"<<s.Prouduct_shelf<<"\n";
      
	   }
      else if(strcmp(comp,s.Prouduct_name)==0){
     h++;	
    if(h>0){
    	cout<<"is that record you want to update"<<endl;
    	cout<<s.Prouduct_id<<"|"<<s.Prouduct_name<<"|"<<s.Prouduct_ammount<<"|"<<s.Prouduct_Price<<"|"<<s.Prouduct_shelf<<"\n";
        char k;
		cout<<" y-n";
		cin>>k;   
    }
 	if(k=='y'){
	 	
	 	myfile<<ch<<"|"<<s.Prouduct_ammount<<"|"<<s.Prouduct_Price<<"|"<<s.Prouduct_shelf<<"\n";}  }

	 	}

      myfile.close();
	  mymyfile.close();
	  remove("test.txt");
         rename("Temp.txt","test.txt");
	  
 	}

//*****************************************************************************

//*****************************************************************************


int main(){
char path[]="Ramadan.text";
	int f=10;
			for(;;){
			
	while(f==10){
	cout<<"\t\t\t************************"<<endl;
	cout<<"\t\t\t* To Insert press-> (1)*"<<endl;
	cout<<"\t\t\t* To view --------> (2)*"<<endl;
	cout<<"\t\t\t* To search ------> (3)*"<<endl;
	cout<<"\t\t\t* To Delete ------> (4)*"<<endl;
	cout<<"\t\t\t* To Update ------> (5)*"<<endl;
	cout<<"\t\t\t* To Exit --------> (0)*"<<endl;
	cout<<"\t\t\t************************"<<endl;
	cout<<"Your Choise : ";
	cin>>f;

	while(f==1){
	insert();
    cout<<"Continue insert press-->(1) *** (0) to exit *** (10) to restart : ";
    cin>>f;

	} 
		while(f==2){
	view();
    cout<<endl;
    cout<<"To continue (9) *** To exit (0) *** (10) to restart : ";
    cin>>f;
	}
	while(f==4){
	del();

	cout<<"To continue (9) *** To exit (0) *** (10) to restart : ";
    cin>>f;
	}
	while(f==3){
		search();
		cout<<"To continue (9) *** To exit (0) *** (10) to restart : ";
	    cin>>f;
	}
	while(f==5){
	update();
cout<<"To continue (9) *** To exit (0) *** (10) to restart : ";
	    cin>>f;
	}}
if(f==0)break;

		}


	return 0;
}