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book.java
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import java.awt.event.*;
import javax.swing.*;
import java.sql.*;
public class book{
JFrame bookingPage = new JFrame("Booking Page");
JLabel pickupPointText = new JLabel("Select Pickup Point: ");
JLabel dropPointText = new JLabel("Select Drop Point: ");
JLabel walletText = new JLabel("Wallet: ");
JTextField walletMoney = new JTextField();
JComboBox<String> pickupPoint = new JComboBox<String>();
JComboBox<String> dropPoint = new JComboBox<String>();
JButton bookButton = new JButton("BOOK");
JButton addMoney = new JButton("ADD MONEY");
JButton viewBalance = new JButton("VIEW BALANCE");
book(String userID){
try {
Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306", "root", "mysecretpass");
Statement stmt = conn.createStatement();
stmt.execute("USE CABBOOKING");
ResultSet rs = stmt.executeQuery("SELECT NAME FROM LOCATIONS");
while(rs.next()){
pickupPoint.addItem(rs.getString("NAME"));
dropPoint.addItem(rs.getString("NAME"));
}
conn.close();
} catch (Exception e) {
System.out.println(e);
}
pickupPointText.setBounds(0, 0, 150, 25);
dropPointText.setBounds(0, 25, 150, 25);
walletText.setBounds(0, 120, 70, 25);
pickupPoint.setBounds(150, 0, 150, 25);
dropPoint.setBounds(150, 25, 150, 25);
walletMoney.setBounds(70, 120, 100, 25);
bookButton.setBounds(170, 50, 80, 30);
addMoney.setBounds(170, 120, 150, 30);
viewBalance.setBounds(320, 120, 150, 30);
viewBalance.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent e){
try {
Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306", "root", "mysecretpass");
Statement stmt = conn.createStatement();
stmt.execute("USE CABBOOKING");
ResultSet balance = stmt.executeQuery("SELECT MONEY FROM USERS WHERE USERID="+userID);
if(balance.next()){
ToastMessage toastMessage = new ToastMessage("WALLET HAS Rs."+balance.getString("MONEY"),3000);//showing balance in the wallet
toastMessage.setVisible(true);
}
} catch (Exception walleException) {
System.out.println(walleException);
}
}
});
addMoney.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent e){
try {
Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306", "root", "mysecretpass");
Statement stmt = conn.createStatement();
stmt.execute("USE CABBOOKING");
stmt.executeUpdate("UPDATE USERS SET MONEY=MONEY+"+walletMoney.getText()+" WHERE USERID="+userID);//adding money to wallet
ToastMessage toastMessage = new ToastMessage("MONEY ADDED",3000);
toastMessage.setVisible(true);
} catch (Exception walleException) {
System.out.println(walleException);
}
}
});
bookButton.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent e){
try {
Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306", "root", "mysecretpass");
Statement stmt = conn.createStatement();
stmt.execute("USE CABBOOKING");
ResultSet walletMoney = stmt.executeQuery("SELECT MONEY FROM USERS WHERE USERID="+userID);
double moneyInWallet = 0.0;
if(walletMoney.next()){
moneyInWallet = Double.parseDouble(walletMoney.getString("MONEY"));
}
ResultSet userFree = stmt.executeQuery("SELECT * FROM USERS WHERE ((BusyTill IS NULL) OR (now() > BusyTill)) AND USERID="+userID);
if(moneyInWallet<300.0 || !userFree.next()){//checking min money in the wallet and also checking whether user already in a ride
if(moneyInWallet<300.0){
ToastMessage toastMessage = new ToastMessage("INSUFFICIENT WALLET MONEY,MINIMUM IS Rs.300",3000);
toastMessage.setVisible(true);
}
if(!userFree.next()){
ToastMessage toastMessage = new ToastMessage("USER ALREADY IN RIDE",3000);
toastMessage.setVisible(true);
}
}
else{
ResultSet totalTripSet = stmt.executeQuery("SELECT SUM(TRIPS) FROM DRIVERS");
int trips = 0;
if(totalTripSet.next()){
trips = Integer.parseInt(totalTripSet.getString("SUM(TRIPS)"));
}
if(trips==5){
ResultSet noAvailableDriverSet = stmt.executeQuery("SELECT NAME FROM DRIVERS WHERE (BusyTill IS NULL) OR (now() > BusyTill)");
int noOfAvailableDrivers = 0;
String driverNames[] = new String[4];
while(noAvailableDriverSet.next()){
driverNames[noOfAvailableDrivers] = noAvailableDriverSet.getString("NAME");//reallocation
noOfAvailableDrivers++;
}
switch(noOfAvailableDrivers){
case 2:
stmt.executeUpdate("UPDATE DRIVERS SET LATITUDE=10.0,LONGITUDE=20.0 WHERE NAME=\""+driverNames[0]+"\"");
stmt.executeUpdate("UPDATE DRIVERS SET LATITUDE=13.0,LONGITUDE=23.0 WHERE NAME=\""+driverNames[1]+"\"");
break;
case 3:
stmt.executeUpdate("UPDATE DRIVERS SET LATITUDE=10.0,LONGITUDE=20.0 WHERE NAME=\""+driverNames[0]+"\"");
stmt.executeUpdate("UPDATE DRIVERS SET LATITUDE=11.0,LONGITUDE=21.0 WHERE NAME=\""+driverNames[1]+"\"");
stmt.executeUpdate("UPDATE DRIVERS SET LATITUDE=13.0,LONGITUDE=23.0 WHERE NAME=\""+driverNames[2]+"\"");
break;
case 4:
stmt.executeUpdate("UPDATE DRIVERS SET LATITUDE=10.0,LONGITUDE=20.0 WHERE NAME=\""+driverNames[0]+"\"");
stmt.executeUpdate("UPDATE DRIVERS SET LATITUDE=11.0,LONGITUDE=21.0 WHERE NAME=\""+driverNames[1]+"\"");
stmt.executeUpdate("UPDATE DRIVERS SET LATITUDE=12.0,LONGITUDE=22.0 WHERE NAME=\""+driverNames[2]+"\"");
stmt.executeUpdate("UPDATE DRIVERS SET LATITUDE=13.0,LONGITUDE=23.0 WHERE NAME=\""+driverNames[3]+"\"");
break;
}
}
Double lat1=0.0,lat2=0.0,long1=0.0,long2=0.0;
ResultSet pickUpData = stmt.executeQuery("SELECT * FROM LOCATIONS WHERE NAME=\""+pickupPoint.getSelectedItem()+"\"");
if(pickUpData.next()){
lat1 = Double.parseDouble(pickUpData.getString("LATITUDE"));
long1 = Double.parseDouble(pickUpData.getString("LONGITUDE"));
}
ResultSet dropData = stmt.executeQuery("SELECT * FROM LOCATIONS WHERE NAME=\""+dropPoint.getSelectedItem()+"\"");
if(dropData.next()){
lat2 = Double.parseDouble(dropData.getString("LATITUDE"));
long2 = Double.parseDouble(dropData.getString("LONGITUDE"));
}
Double travelDist = distance(lat1, lat2, long1, long2, 0.0, 0.0); //in metres
Double Fare = (travelDist/1000.0)*0.5; //in rupees , assuming 0.5rupees per KM
Double Duration = (travelDist/1000.0)/1000; //Duration in hours, assuming 1000Kmph as speed
String driverName="",VehicleNum = "",phoneNum = "";
ResultSet AvailableDrivers = stmt.executeQuery("SELECT * FROM DRIVERS WHERE (BusyTill IS NULL) OR (now() > BusyTill)");//checking for busyfree drivers who are a min distance
Double minDistance = 0.0;
boolean DriversAvailable = true;
if(AvailableDrivers.next()){
minDistance = distance(lat1,Double.parseDouble(AvailableDrivers.getString("LATITUDE")), long1,Double.parseDouble(AvailableDrivers.getString("LONGITUDE")), 0.0, 0.0);
}
else{
ToastMessage toastMessage = new ToastMessage("TIMEOUT REACHED,ALL DRIVERS BUSY",3000);
toastMessage.setVisible(true);
DriversAvailable = false;
}
while(AvailableDrivers.next()){
if(distance(lat1,Double.parseDouble(AvailableDrivers.getString("LATITUDE")), long1,Double.parseDouble(AvailableDrivers.getString("LONGITUDE")), 0.0, 0.0)<minDistance){
minDistance=distance(lat1,Double.parseDouble(AvailableDrivers.getString("LATITUDE")), long1,Double.parseDouble(AvailableDrivers.getString("LONGITUDE")), 0.0, 0.0);
}
}
Double maxRating = 0.0;
AvailableDrivers = stmt.executeQuery("SELECT * FROM DRIVERS WHERE (BusyTill IS NULL) OR (now() > BusyTill)");//drivers with max rating
while(AvailableDrivers.next()){
if(distance(lat1,Double.parseDouble(AvailableDrivers.getString("LATITUDE")), long1,Double.parseDouble(AvailableDrivers.getString("LONGITUDE")), 0.0, 0.0)==minDistance){
if(Double.parseDouble(AvailableDrivers.getString("RATING")) > maxRating){
maxRating = Double.parseDouble(AvailableDrivers.getString("RATING"));
}
}
}
AvailableDrivers = stmt.executeQuery("SELECT * FROM DRIVERS WHERE (BusyTill IS NULL) OR (now() > BusyTill)");
while(AvailableDrivers.next()){
if(distance(lat1,Double.parseDouble(AvailableDrivers.getString("LATITUDE")), long1,Double.parseDouble(AvailableDrivers.getString("LONGITUDE")), 0.0, 0.0)==minDistance){
stmt = conn.createStatement();
ResultSet ChooseFromThis = stmt.executeQuery("SELECT * FROM DRIVERS WHERE ((BusyTill IS NULL) OR (now() > BusyTill)) AND (RATING="+maxRating+") AND NAME=\""+AvailableDrivers.getString("NAME")+"\"");//busyfree drivers with min distance and max rating
if(ChooseFromThis.next()){
driverName = ChooseFromThis.getString("NAME");
VehicleNum = ChooseFromThis.getString("VEHICLENUM");
phoneNum = ChooseFromThis.getString("PHONENUM");
}
}
}
Double inSeconds = (Duration-Duration.intValue())*3600;
Double minutes = inSeconds.intValue()/60.0;
inSeconds = inSeconds - 60*minutes.intValue();
//Booking over
if(DriversAvailable){
stmt.executeUpdate("UPDATE DRIVERS SET BusyTill=INTERVAL "+Duration.intValue()+" HOUR+INTERVAL "+minutes.intValue()+" MINUTE+INTERVAL "+inSeconds.intValue()+" SECOND+NOW() WHERE NAME=\""+driverName+"\"");//updating busytill for driver
stmt.executeUpdate("UPDATE DRIVERS SET LATITUDE="+lat2+",LONGITUDE="+long2+" WHERE NAME=\""+driverName+"\"");//upadating driver location after trip
stmt.executeUpdate("UPDATE USERS SET MONEY=MONEY-"+Fare+" WHERE USERID="+userID);//money deduction from user
stmt.executeUpdate("UPDATE USERS SET BusyTill=INTERVAL "+Duration.intValue()+" HOUR+INTERVAL "+minutes.intValue()+" MINUTE+INTERVAL "+inSeconds.intValue()+" SECOND+NOW() WHERE USERID="+userID);//updating busytill for driver
stmt.executeUpdate("UPDATE DRIVERS SET TRIPS=TRIPS+1 WHERE NAME=\""+driverName+"\"");
Summary MyResultsPage = new Summary(driverName,VehicleNum, phoneNum,Fare,Duration.intValue(),minutes.intValue(), maxRating, travelDist);
bookingPage.setVisible(false);
MyResultsPage.summary.setVisible(true);
}
}
conn.close();
} catch (Exception exception) {
System.out.println(exception);
}
}
});
bookingPage.add(pickupPointText);
bookingPage.add(pickupPoint);
bookingPage.add(dropPointText);
bookingPage.add(walletText);
bookingPage.add(dropPoint);
bookingPage.add(walletMoney);
bookingPage.add(bookButton);
bookingPage.add(addMoney);
bookingPage.add(viewBalance);
bookingPage.setLayout(null);
bookingPage.setExtendedState(JFrame.MAXIMIZED_BOTH);
bookingPage.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
//Method to calculate distance in metres based on lat,long
public static double distance(double lat1, double lat2, double lon1,double lon2, double el1, double el2) {
final int R = 6371; // Radius of the earth
double latDistance = Math.toRadians(lat2 - lat1);
double lonDistance = Math.toRadians(lon2 - lon1);
double a = Math.sin(latDistance / 2) * Math.sin(latDistance / 2)
+ Math.cos(Math.toRadians(lat1)) * Math.cos(Math.toRadians(lat2))
* Math.sin(lonDistance / 2) * Math.sin(lonDistance / 2);
double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
double distance = R * c * 1000; // convert to meters
double height = el1 - el2;
distance = Math.pow(distance, 2) + Math.pow(height, 2);
return Math.sqrt(distance);
}
}