package tpcw_dto;
/*
 * Cart.java - Class stores the necessary components of a shopping cart
 * 
 ************************************************************************
 *
 * This is part of the the Java TPC-W distribution,
 * written by Harold Cain, Tim Heil, Milo Martin, Eric Weglarz, and Todd
 * Bezenek.  University of Wisconsin - Madison, Computer Sciences
 * Dept. and Dept. of Electrical and Computer Engineering, as a part of
 * Prof. Mikko Lipasti's Fall 1999 ECE 902 course.
 *
 * Copyright (C) 1999, 2000 by Harold Cain, Timothy Heil, Milo Martin, 
 *                             Eric Weglarz, Todd Bezenek.
 *
 * This source code is distributed "as is" in the hope that it will be
 * useful.  It comes with no warranty, and no author or distributor
 * accepts any responsibility for the consequences of its use.
 *
 * Everyone is granted permission to copy, modify and redistribute
 * this code under the following conditions:
 *
 * This code is distributed for non-commercial use only.
 * Please contact the maintainer for restrictions applying to 
 * commercial use of these tools.
 *
 * Permission is granted to anyone to make or distribute copies
 * of this code, either as received or modified, in any
 * medium, provided that all copyright notices, permission and
 * nonwarranty notices are preserved, and that the distributor
 * grants the recipient permission for further redistribution as
 * permitted by this document.
 *
 * Permission is granted to distribute this code in compiled
 * or executable form under the same conditions that apply for
 * source code, provided that either:
 *
 * A. it is accompanied by the corresponding machine-readable
 *    source code,
 * B. it is accompanied by a written offer, with no time limit,
 *    to give anyone a machine-readable copy of the corresponding
 *    source code in return for reimbursement of the cost of
 *    distribution.  This written offer must permit verbatim
 *    duplication by anyone, or
 * C. it is distributed by someone who received only the
 *    executable form, and is accompanied by a copy of the
 *    written offer of source code that they received concurrently.
 *
 * In other words, you are welcome to use, share and improve this codes.
 * You are forbidden to forbid anyone else to use, share and improve what
 * you give them.
 *
 ************************************************************************/

import java.io.*;
import java.util.*;
import java.sql.*;

public class Cart {
    
    public double SC_SUB_TOTAL;
    public double SC_TAX;
    public double SC_SHIP_COST;
    public double SC_TOTAL;

    public Vector lines;
    
    protected Cart() {}
    public Cart (ResultSet rs, double C_DISCOUNT) throws java.sql.SQLException{
	int i;
	int total_items;
	lines = new Vector();
	while(rs.next()){//While there are lines remaining
	    CartLine line = new CartLine(rs.getString("i_title"),
					 rs.getDouble("i_cost"),
					 rs.getDouble("i_srp"),
					 rs.getString("i_backing"),
					 rs.getInt("scl_qty"),
					 rs.getInt("scl_i_id"));
	    lines.addElement(line);
	}

	SC_SUB_TOTAL = 0;
	total_items = 0;
	for(i = 0; i < lines.size(); i++){
	    CartLine thisline = (CartLine) lines.elementAt(i);
	    SC_SUB_TOTAL += thisline.scl_cost * thisline.scl_qty;
	    total_items += thisline.scl_qty;
	}
	
	//Need to multiply the sub_total by the discount.
	SC_SUB_TOTAL = SC_SUB_TOTAL * ((100 - C_DISCOUNT)*.01);
	SC_TAX = SC_SUB_TOTAL * .0825;
	SC_SHIP_COST = 3.00 + (1.00 * total_items);
	SC_TOTAL = SC_SUB_TOTAL + SC_SHIP_COST + SC_TAX;
    }
}