Tumkur

import java.util.*; public class RetailStore {

private String storeName;
private ArrayList<Customer> clist=new ArrayList<Customer>();
private ArrayList<Product> plist=new ArrayList<Product>();
private static int productid=0,customerid=0;


public String getStoreName() {
 return storeName;
}
public void setStoreName(String storeName) {
 this.storeName = storeName;
}
public ArrayList<Customer> getClist() {
 return clist;
}
public void setClist(ArrayList<Customer> clist) {
 this.clist = clist;
}
public ArrayList<Product> getPlist() {
 return plist;
}
public void setPlist(ArrayList<Product> plist) {
 this.plist = plist;
}
RetailStore(String storeName)
{
 this.storeName=storeName;
 
}
  
   public int generateCustomerID() 
   {
    customerid++;
    return customerid;
   }
   
   public int generateProductID() 
   {
    productid++;
    return productid;
   }
   
   public void addCustomer(String name,int contactNo){
    int customerid=generateCustomerID();
    Customer c=new Customer(customerid, name, contactNo);
    clist.add(c);
   }
   
   public void addProduct(String name,double price){
    int productid=generateProductID();
    Product p=new Product(productid, name, price);
    plist.add(p);
   }
   
   public int checkProductAvailability(String ProductName){
    int count=0;
    for(Product p:plist){
     if(p.productName.equalsIgnoreCase(ProductName) && p.productStatus.equalsIgnoreCase("available"))
      count++;
     
    }
    return count;
   }
   
   public int bookProduct(int CustomerID,String ProductName, int NumberOfProduct) {
    int flag1=0,flag2=0;
    Customer customer=null;
    
    for(Customer c:clist)
     if(c.getCustomerID()==CustomerID){
      customer=c;
      flag1=1;
      break;
     }
    
    for(Product p:plist){
     if(p.productName.equalsIgnoreCase(ProductName)){
      flag2=1;
      break;
     }
    }
    
    if(flag1==0)
     return 0;
    if(flag2==0)
     return -1;
    
    int availability=checkProductAvailability(ProductName);
    int count=0;
    if(NumberOfProduct<availability){
     for(Product p:plist){
      if(p.productName.equalsIgnoreCase(ProductName) && p.productStatus.equalsIgnoreCase("Available")){
       count++;
       customer.addBookedProduct(p);
       if(count==NumberOfProduct)
        break;
      }
       
     }
    }
    else{
     for(Product p:plist){
      if(p.productName.equalsIgnoreCase(ProductName) && p.productStatus.equalsIgnoreCase("Available")){
       customer.addBookedProduct(p);
       count++;
     }
    }
     
   }
   return count;
   }
   
   public double calculateNetAmount(int customerID,double discount){
    double total=0;
    Customer customer=null;
    for(Customer c:clist)
     if(c.customerID==customerID)
      customer=c;
    
    for(Product p:customer.bookedProductList)
     total+=p.productPrice;
    
    total=total-(total*(discount/100));
    return total;
   }

}