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#include <iostream>
#include <string>
#include <vector>
using namespace std;
void List_Restaurants();//list the restaurants with delivery fee
void Add_Items_to_Cart(vector<string>&, vector<string>&,int &);//input his name and the cuisine number that he wants to add to the cart
void Payment(vector<string>&,int&); //input his name and show all of the items in his cart
int main()
{
string do_what;vector<string> cartlist;int counter=0;
vector<string>namelist;
do
{
cout << "**********************************" << endl;
cout << "*** Food Delivery System ***\n**********************************" << endl;
cout << "Enter 1 to List Restaurants" << endl;
cout << "Enter 2 to Add Items to Cart" << endl;
cout << "Enter 3 to Payment" << endl;
cout << "Enter exit() to quit\n>>>" ;
getline(cin,do_what);
if(do_what=="1"||do_what=="2"||do_what=="3"||do_what=="exit()")//good input
{
cout<<endl;
}
else
{
cout << "Unknown command\n"<<endl ;
continue;
}
if(do_what=="1")
{
List_Restaurants();
}
else if(do_what=="2")
{
Add_Items_to_Cart(cartlist,namelist,counter);
}
else if(do_what=="3")
{
Payment(cartlist,counter);
}
}while(do_what!="exit()");
return 0;
}
void List_Restaurants()
{
string option;
do
{
cout << "*** List Restaurants ***" << endl;
cout << "No. Restaurant Delivery Fee" << endl;
cout << "1 Wang shih jhen sin tang NTD 29" << endl;
cout << "2 Taiwan di er jia yan su ji NTD 49" << endl;
cout << "3 Fang kong nai ba NTD 39" << endl;
cout << "Enter number to the restaurant or enter back to the main menu\n>>>";
getline(cin,option);
if(option=="1"||option=="2"||option=="3"||option=="back")//good input
{
cout<<endl;
}
else
{
cout << "Unknown command\n"<<endl ;
continue;
}
if(option=="back")
{
cout<<endl;
return;
}
if(option=="1")
{
cout << "*** Wang shih jhen sin tang ***"<<endl ;
cout << "No. Cuisine Price"<<endl ;
cout << "1-1 Bubble Tea NTD 75"<<endl ;
cout << "1-2 Cheese-Topped Black Tea NTD 85"<<endl ;
cout <<endl;
continue;
}
if(option=="2")
{
cout << "*** Taiwan di er jia yan su ji ***"<<endl ;
cout << "No. Cuisine Price"<<endl ;
cout << "2-1 Boneless Salted Crispy Chicken NTD 71"<<endl ;
cout << "2-2 Egg Tofu NTD 78"<<endl ;
cout << "2-3 Green Beans NTD 52"<<endl ;
cout <<endl;
continue;
}
if(option=="3")
{
cout << "*** Fang kong nai ba ***"<<endl ;
cout << "No. Cuisine Price"<<endl ;
cout << "3-1 Sakura Shrimp Fried Rice NTD 140"<<endl ;
cout << "3-2 Squid Fried Noodles NTD 130"<<endl ;
cout << "3-3 Grilled King Oyster Mushrooms NTD 50"<<endl ;
cout <<endl;
continue;
}
}while(true);
}
void Add_Items_to_Cart(vector<string>& cartlist,vector<string>& namelist,int &counter)
{
string name;string add_cart;int same=0;int first=0;
cout <<"*** Add Items to Cart ***" << endl;
cout << "Enter your name: ";
getline(cin,name);
if(counter==0)// first name
{
namelist[counter]=name;
cartlist[counter]=name;
cartlist[counter]+=",";
same=1;first=1;
do
{
cout << "Enter cuisine number to add it to cart: " ;
cin>>add_cart;
if(add_cart=="1-1"||add_cart=="1-2"||add_cart=="2-1"||add_cart=="2-2"||add_cart=="2-3"||add_cart=="3-1"||add_cart=="3-2"||add_cart=="3-3")//right
{
cartlist[counter]+=add_cart;cartlist[counter]+=",";
cout <<"Added successfully!\n" << endl;
break;
}
else
{
cout <<"Wrong number, please enter again!" << endl;
continue;
}
}while(true);
counter++;
}
for(int i=0;i<counter;i++)//name used?
{
if(namelist[i]==name&&first==0)//name same
{
same=1;
}
if(same==1)//name same
{
do
{
cout << "Enter cuisine number to add it to cart: " ;
cin>>add_cart;
if(add_cart=="1-1"||add_cart=="1-2"||add_cart=="2-1"||add_cart=="2-2"||add_cart=="2-3"||add_cart=="3-1"||add_cart=="3-2"||add_cart=="3-3")//right
{
cartlist[i]+=add_cart; cartlist[i]+=",";
cout <<"Added successfully!\n" << endl;
break;
}
else
{
cout <<"Wrong number, please enter again!" << endl;
continue;
}
}while(true);
}
}
if(same==0&&first==0)//new name
{
namelist[counter]=name;
cartlist[counter]=name;
cartlist[counter]+=",";
counter++;
do
{
cout << "Enter cuisine number to add it to cart: " ;
cin>>add_cart;
if(add_cart=="1-1"||add_cart=="1-2"||add_cart=="2-1"||add_cart=="2-2"||add_cart=="2-3"||add_cart=="3-1"||add_cart=="3-2"||add_cart=="3-3")//right
{
cartlist[counter]+=add_cart;cartlist[counter]+=",";
cout <<"Added successfully!\n" << endl;
break;
}
else
{
cout <<"Wrong number, please enter again!" << endl;
continue;
}
}while(true);
same=0;
}
}
void Payment(vector<string>& cartlist,int&counter)
{
string name;int same=0;int deliver1=0;int deliver2=0;int deliver3=0;
string item1_1="Bubble Tea NTD 75";
string item1_2="Cheese-Topped Black Tea NTD 85";
string item2_1="Boneless Salted Crispy Chicken NTD 71";
string item2_2="Egg Tofu NTD 78";
string item2_3="Green Beans NTD 52";
string item3_1="Sakura Shrimp Fried Rice NTD 140";
string item3_2="Squid Fried Noodles NTD 130";
string item3_3="Grilled King Oyster Mushrooms NTD 50";
string dfee1="Delivery Fee NTD 29";
string dfee2="Delivery Fee NTD 49";
string dfee3="Delivery Fee NTD 39";
cout << "*** Payment ***" << endl;
cout << "Enter your name: " ;
getline(cin,name);cout<<endl;
for(int i=0;i<counter;i++)//which cartlist
{
if(cartlist[i].substr(0,name.length())==name)//consumer
{
same=1;int total=0;
cout << "*** This is "<<name<<"'s order ***"<<endl ;
cout << "Item Price"<<endl ;
cout << "-------------------------------------------"<<endl ;
for(int x=name.length()+1;x<cartlist[i].length();x+=4)//buy what
{
if(cartlist[i][x]=='1')
{
deliver1=1;
if(cartlist[i][x+2]=='1')
{
total+=75;cout<<item1_1<<endl;
}
else if(cartlist[i][x+2]=='2')
{
total+=85;cout<<item1_2<<endl;
}
}
if(cartlist[i][x]=='2')
{
deliver2=1;
if(cartlist[i][x+2]=='1')
{
total+=71;cout<<item2_1<<endl;
}
if(cartlist[i][x+2]=='2')
{
total+=78;cout<<item2_2<<endl;
}
if(cartlist[i][x+2]=='3')
{
total+=52;cout<<item2_3<<endl;
}
}
if(cartlist[i][x]==3)
{
deliver3=1;
if(cartlist[i][x+2]=='1')
{
total+=140;cout<<item3_1<<endl;
}
if(cartlist[i][x+2]=='2')
{
total+=130;cout<<item3_2<<endl;
}
if(cartlist[i][x+2]=='3')
{
total+=50;cout<<item3_3<<endl;
}
}
}
if(deliver1==1)
{
total+=29;
}
if(deliver2==1)
{
total+=49;
}
if(deliver3==1)
{
total+=39;
}
cout<<"-------------------------------------------"<<endl;
cout<<"Total NTD "<<total<<"\n"<<endl;
break;
}
}
if(same==0)
{
cout << "You don't have any item in cart!\n" << endl;
}
}
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