#include<iostream>
#include<fstream>
#include<string>
#include<vector>
#include<algorithm>
using std::cin;
using std::cout;
using std::string;
// clothing codes
struct codes
{
char code;
const char* explanation_1;
float total_sales;
};
codes CODES[]={'A',"BABY WEAR",0.0F,
'B',"CHILDREN WEAR",0.0F,
'C',"LADIES WEAR",0.0F,
'D',"MENSWEAR",0.0F,
0,NULL,0.0F };
struct RECORD
{
char category;
int item_number;
float price;
};
const string filename="jualan.dat";
int menu();
void AddRecord();
void ShowByCategory();
void ShowAll();
__inline void ignore_line (std::istream& in)
{
in.clear();
}
int main()
{
int select;
while((select=menu())<4)
{
switch(select)
{
case 1: // add a record
AddRecord();
break;
case 2: //Display sales report for a category
ShowByCategory();
break;
case 3: // Display sales report for all category
ShowAll();
break;
};
}
}
int menu()
{
cout<<"\n\tFamily Outfit Shop"<<endl;
cout<<"\t MAIN MENU"<<endl;
cout<<"\t-------------------"<<endl;
cout<<"1 = Add a record\n";
cout<<"2 = Display sales report for a category\n";
cout<<"3 = Display sales report for all category\n";
cout<<"4 = Exit\n";
string input;
bool failed;
int select=0;
do {
failed=false;
cout<<"\nEnter Number Menu : ";
cin>>input;
for(size_t i=0; i <input.length(); i++)
{
if(!isdigit(input[i]))
{
cout<<"Numeric digits only -- please try again.\n";
failed=true;
break;
}
}
if(failed==false)
{
select=atoi(input.c_str());
if(select<1||select>4 )
{
cout<<"Select a number between 1 and 4\n";
failed=true;
break;
}
}
cout.clear();
ignore_line(cin);
}
while(failed==true );
return select;
}
void AddRecord() // add a record
{
std::ofstream out(filename.c_str(),std::ios::binary);
bool done=false;
string answer;
while(done==false)
{
RECORD r;
cout<<"\nEnter code (A, B, C or D) : ";
cin>>r.category;
r.category=toupper(r.category);
ignore_line(cin);
cout<<"Enter item number : ";
cin>>r.item_number;
ignore_line(cin);
cout<<"Enter price : ";
cin>>r.price;
ignore_line(cin);
out.seekp(0,std::ios::end);
out.write((char *)&r,sizeof(RECORD));
cout<<"\nEnter another record? (Y/N) : ";
cin>>answer;
ignore_line(cin);
if(answer=="N"||answer=="n")
done=true;
}
while(done==false);
}
bool compare(const RECORD& r1,const RECORD& r2)
{
return r1.item_number < r2.item_number ? true : false;
}
void ShowByCategory()//Display sales report for a category
{
string category;
char code;
int item_number;
float price, total_price;
bool done=false;
while(done==false)
{
cout<<"\nPlease enter category (A, B, C or D) : ";
cin>>category;
std::transform(category.begin(),category.end(),category.begin(),toupper);
switch(category[0])
{
case 'A':
if(item_number=101)
{
price=10.00;
}
if(item_number=102)
{
price=5.00;
}
break;
case 'B':
if(item_number=101)
{
price=12.00;
}
if(item_number=104)
{
price=20.00;
}
if(item_number=105)
{
price=17.00;
}
break;
case 'C':
if(item_number=103)
{
price=40.00;
}
break;
case 'D':
if(item_number=101)
{
price=15.00;
}
break;
done=true;
break;
default:
cout<<"Wrong input\n";
break;
}
total_price=price+price;
std::ifstream in(filename.c_str(),std::ios::binary);
std::vector<RECORD>theList;
RECORD r;
while(in.read((char *)&r, sizeof(RECORD)))
{
if(code==category[0])
theList.push_back(r);
}
in.close();
std::sort(theList.begin(),theList.end(),compare);
cout<<"\nSALES REPORT FOR ";
for(int i=0; CODES[i].code !=0; i++)
{
if(CODES[i].code==category[0] )
{
cout<<CODES[i].explanation_1<< '\n';
break;
}
}
cout<<"\nItem Number\t\tPrice"<<endl;
cout<<"------------------------------"<<endl;
cout<<category<<item_number<<'\t'<<price<<'\n';
cout<<"------------------------------"<<endl;
cout<<"Total sales \t\t"<<total_price<<endl;
cout<<"\n\n";
}
}
void ShowAll() // Display sales report for all category
{
char explanation_1;
float total_price, total_sales;
std::ifstream in(filename.c_str(),std::ios::binary);
RECORD r;
for(int i =0; CODES[i].code !=0; i++)
{
CODES[i].total_sales =0.0F;
}
while(in.read((char *)&r, sizeof(RECORD)))
{
for(int i =0; CODES[i].code !=0; i++)
{
if(CODES[i].code==total_price )
{
CODES[i].total_sales +=total_price;
break;
}
}
}
in.close();
cout << "\nSALES REPORT FOR ALL CATEGORIES"<<endl;
cout<<"\nCategory\t\tSales"<<endl;
cout<<"------------------------------"<<endl;
for(int i=0; CODES[i].code !=0; i++)
{
cout<<CODES[i].explanation_1<<"\t\t"<<total_price<<endl;
}
cout<<"\nTotal Sales\t\t"<<total_sales<<endl;
cout<<"\n\n";
}like this to display, choose by category...
SALES REPORT FOR BABY WEAR
Item Number Price
A101 10.00
A102 5.00
Total Sales 15.00
and also disaplay all category
SALES REPORT FOR ALL CATEGORIES
Category Sales
Baby wear 15.00
Children wear 49.00
Ladies wear 40.00
Menswear 15.00
Total Sales 119.00
