package com server core pools import com server core JobStatus import

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package com.server.core.pools;
import com.server.core.JobStatus;
import com.server.core.filters.FilterEntity;
import com.server.db.DataBase;
import com.server.utils.maps.DistanceDetector;
import com.server.utils.maps.RouteDetailsProvider;
import org.json.JSONArray;
import org.json.JSONObject;
import java.sql.ResultSet;
import java.util.*;
import static com.server.core.pools.DriverCommandPool.Command;
import static com.server.core.pools.TaxiPool.DriverStatus;
/**
* Created by Roman on 6/9/14.
*/
public class JobPool {
private static final int ACCEPTANCE_RADIUS = 5000;
private static final int BEST_SUITABLE_JOB_INDEX = 0;
private static final String ID = "id";
private static final String VALUE = "value";
private static final String FLIGHT_TIME = "flight_time";
private static final String AIRLINE = "airline";
private static final String FLIGHT_NUMBER = "flight_number";
private static final String TERMINAL = "terminal";
private static final String COMMENT = "comment";
private static final String LATITUDE = "latitude";
private static final String LONGITUDE = "longitude";
private static final String PICKUP_TIME = "pickup_time";
private static final String PICKUP_LOCATION = "pickup_location";
private static final String DESTINATION_LOCATION = "destination_location";
private static final String NAME = "name";
private static final String AIRPORT_INFORMATION = "airport_information";
private static final String CC_ID = "cc_id";
private static final String PROMO_CODE_ID = "promo_code_id";
private static final String FILTERS = "filters";
private static final String USER_ID = "user_id";
private static final String JOB_STATUS = "job_status";
private static final String CONFIRMATION_NUMBER = "confirmation_number";
private static final String CONSUMER_RATING = "consumer_rating";
private static final Object LOCK;
private static ArrayList<ReservationModel> mJobs;
private static ArrayList<ReservationModel> mActiveJobs;
private static ArrayList<ReservationModel> mCompletedJobs;
static {
LOCK = new Object();
mJobs = new ArrayList<ReservationModel>();
mActiveJobs = new ArrayList<ReservationModel>();
mCompletedJobs = new ArrayList<ReservationModel>();
}
public static ArrayList<ReservationModel> getJobs(int driverID) {
synchronized (LOCK) {
ArrayList<ReservationModel> list = new ArrayList<ReservationModel>();
for (ReservationModel model : mActiveJobs) {
if (model.mDriverID == driverID) {
list.add(model);
}
}
for (ReservationModel model : mCompletedJobs) {
if (model.mDriverID == driverID) {
list.add(model);
}
}
return list;
}
}
public static void acceptJob(int driverID, String confirmationNumber) {
synchronized (LOCK) {
for (ReservationModel reservationModel : mJobs) {
String jobConfirmationNumber = reservationModel.mConfirmationNumber;
if (confirmationNumber.equals(jobConfirmationNumber)) {
reservationModel.mDriverID = driverID;
reservationModel.mJobStatus = JobStatus.JOB_ACCEPTED;
mActiveJobs.add(reservationModel);
TaxiPool.DriverModel driverModel = TaxiPool.getDriver(driverID);
driverModel.lock();
}
}
}
}
public static void rejectJob(int driverID, String confirmationNumber) {
synchronized (LOCK) {
for (ReservationModel reservationModel : mJobs) {
String jobConfirmationNumber = reservationModel.mConfirmationNumber;
if (confirmationNumber.equals(jobConfirmationNumber)) {
reservationModel.addRefusedDriver(driverID);
break;
}
}
}
}
public static void cancelReservation(String confirmationNumber, boolean isDriverAction) {
synchronized (LOCK) {
boolean removeFromActive = false;
for (ReservationModel reservationModel : mJobs) {
String jobConfirmationNumber = reservationModel.mConfirmationNumber;
if (confirmationNumber.equals(jobConfirmationNumber)) {
reservationModel.mJobStatus = JobStatus.CANCELED;
int driverID = reservationModel.mDriverID;
if (driverID != -1) {
TaxiPool.DriverModel driverModel = TaxiPool.getDriver(driverID);
driverModel.unlock();
mCompletedJobs.add(reservationModel);
removeFromActive = true;
if (!isDriverAction) {
DriverCommandPool.sendCommand(driverID, Command.REFRESH_JOB_LIST);
}
}
break;
}
}
if (removeFromActive) {
for (ReservationModel reservationModel : mActiveJobs) {
String jobConfirmationNumber = reservationModel.mConfirmationNumber;
if (confirmationNumber.equals(jobConfirmationNumber)) {
mActiveJobs.remove(reservationModel);
break;
}
}
}
}
}
public static void updateStatus(JobStatus jobStatus, String confirmationNumber) {
synchronized (LOCK) {
for (ReservationModel reservationModel : mActiveJobs) {
String jobConfirmationNumber = reservationModel.mConfirmationNumber;
if (confirmationNumber.equals(jobConfirmationNumber)) {
int driverID = reservationModel.mDriverID;
TaxiPool.DriverModel driverModel = TaxiPool.getDriver(driverID);
reservationModel.mJobStatus = jobStatus;
switch (jobStatus) {
case JOB_ACCEPTED: {
driverModel.setDriverStatus(DriverStatus.JOB_ACCEPTED);
break;
}
case EN_ROUTE: {
driverModel.setDriverStatus(DriverStatus.EN_ROUTE);
break;
}
case DRIVER_WAITING_FOR_CLIENT: {
driverModel.setDriverStatus(DriverStatus.WAITING_FOR_CLIENT);
break;
}
case EXECUTING_ORDER: {
driverModel.setDriverStatus(DriverStatus.EXECUTING_ORDER);
break;
}
case COMPLETED:
case CANCELED: {
mActiveJobs.remove(reservationModel);
mCompletedJobs.add(reservationModel);
driverModel.setDriverStatus(DriverStatus.WAITING);
driverModel.unlock();
break;
}
}
break;
}
}
}
}
public static String createReservation(JSONObject data) {
synchronized (LOCK) {
ReservationModel reservationModel = ReservationModel.fromJson(data);
String confirmationNumber;
while (true) {
confirmationNumber = ConfirmationNumberGenerator.generateRandomConfirmationNumber();
ResultSet resultSet = DataBase.executeQuery("SELECT * FROM orders_history WHERE confirmation_number LIKE '"
+ confirmationNumber + "';");
try {
if (resultSet.next()) {
continue;
}
} catch (Exception e) {
e.printStackTrace();
}
break;
}
reservationModel.mConfirmationNumber = confirmationNumber;
mJobs.add(reservationModel);
return confirmationNumber;
}
}
public static void updateReservation(String confirmationNumber) {
synchronized (LOCK) {
}
}
public static boolean hasJob(String confirmationNumber) {
synchronized (LOCK) {
for (ReservationModel reservationModel : mJobs) {
String jobConfirmationNumber = reservationModel.mConfirmationNumber;
if (confirmationNumber.equals(jobConfirmationNumber)) {
return true;
}
}
return false;
}
}
public static ReservationModel getJob(String confirmationNumber) {
synchronized (LOCK) {
for (ReservationModel reservationModel : mJobs) {
String jobConfirmationNumber = reservationModel.mConfirmationNumber;
if (confirmationNumber.equals(jobConfirmationNumber)) {
return reservationModel;
}
}
return null;
}
}
public static ReservationModel findJob(int consumerID) {
synchronized (LOCK) {
for (ReservationModel reservationModel : mJobs) {
if (reservationModel.mConsumerID == consumerID) {
return reservationModel;
}
}
return null;
}
}
private static boolean isTimeCome(ReservationModel reservationModel) {
Date currentDate = new Date();
Date pickupDate = new Date(reservationModel.mPickupTime);
return pickupDate.before(currentDate);
}
public static ReservationModel findJobForDriver(TaxiPool.DriverModel driverModel) {
synchronized (LOCK) {
ArrayList<ReservationModelContainer> mSuitableJobs = new ArrayList<ReservationModelContainer>();
for (ReservationModel reservationModel : mJobs) {
if (!isTimeCome(reservationModel) || reservationModel.isDriverRefused(driverModel) ||
driverModel.isLocked() || reservationModel.mJobStatus != JobStatus.WAITING_FOR_DRIVER) {
continue;
}
LocationModel pickupLocation = reservationModel.mPickupLocation;
double latitude = pickupLocation.mLatitude;
double longitude = pickupLocation.mLongitude;
double driverLatitude = driverModel.getLatitude();
double driverLongitude = driverModel.getLongitude();
float distance = DistanceDetector.distanceBetween(latitude, longitude, driverLatitude, driverLongitude);
if (distance <= ACCEPTANCE_RADIUS) {
ReservationModelContainer reservationModelContainer = new ReservationModelContainer(reservationModel,
driverModel);
JSONArray filters = reservationModel.mFilters;
if (filters != null) {
int length = filters.length();
boolean valid = true;
for (int filterIndex = 0; filterIndex < length; filterIndex++) {
try {
JSONObject filter = filters.getJSONObject(filterIndex);
String id = filter.getString(ID);
FilterEntity filterEntity = FilterEntity.findFilter(id);
if (filterEntity != null) {
Object value = filter.get(VALUE);
valid &= filterEntity.applyFilter(driverModel, value, latitude, longitude);
}
} catch (Exception e) {
e.printStackTrace();
}
}
if (valid) {
mSuitableJobs.add(reservationModelContainer);
}
} else {
mSuitableJobs.add(reservationModelContainer);
}
}
}
if (mSuitableJobs.isEmpty()) {
return null;
} else {
Collections.sort(mSuitableJobs, new Comparator<ReservationModelContainer>() {
private static final int LESS_THAN = -1;
private static final int EQUALS = 0;
private static final int GREATER_THAN = 1;
@Override
public int compare(ReservationModelContainer o1, ReservationModelContainer o2) {
if (o1.mDistance.equals(o2.mDistance)) {
return EQUALS;
}
if (o1.mDistance > o2.mDistance) {
return GREATER_THAN;
} else {
return LESS_THAN;
}
}
});
ReservationModelContainer bestJob = mSuitableJobs.get(BEST_SUITABLE_JOB_INDEX);
return bestJob.mReservationModel;
}
}
}
private static class ReservationModelContainer {
private ReservationModel mReservationModel;
private Double mDistance;
public ReservationModelContainer(ReservationModel reservationModel, TaxiPool.DriverModel driverModel) {
mReservationModel = reservationModel;
{
LocationModel pickupLocation = reservationModel.mPickupLocation;
double latitude = pickupLocation.mLatitude;
double longitude = pickupLocation.mLongitude;
double driverLatitude = driverModel.getLatitude();
double driverLongitude = driverModel.getLongitude();
try {
mDistance = RouteDetailsProvider.getDistance(latitude, longitude, driverLatitude, driverLongitude);
} catch (Exception e) {
e.printStackTrace();
} finally {
if (mDistance == null) {
mDistance = (double) DistanceDetector.distanceBetween(latitude, longitude, driverLatitude,
driverLongitude);
}
}
}
}
}
public static class ReservationModel {
private JobStatus mJobStatus;
private ArrayList<Integer> mRefusedDrivers;
private String mConfirmationNumber;
private int mDriverID;
private int mConsumerID;
private long mPickupTime;
private LocationModel mPickupLocation;
private LocationModel mDestinationLocation;
private AirportInformationModel mAirportInformation;
private int mCreditCardID;
private int mPromoCodeID;
private JSONArray mFilters;
private double mConsumerRating;
private ReservationModel() {
mRefusedDrivers = new ArrayList<Integer>();
mJobStatus = JobStatus.WAITING_FOR_DRIVER;
mDriverID = -1;
}
private boolean isDriverRefused(TaxiPool.DriverModel driverModel) {
int driverID = driverModel.getID();
return mRefusedDrivers.contains(driverID);
}
private void addRefusedDriver(int driverID) {
mRefusedDrivers.add(driverID);
}
public String getConfirmationNumber() {
return mConfirmationNumber;
}
public JobStatus getJobStatus() {
return mJobStatus;
}
public int getDriverID() {
return mDriverID;
}
public int getConsumerID() {
return mConsumerID;
}
public long getPickupTime() {
return mPickupTime;
}
public LocationModel getPickupLocation() {
return mPickupLocation;
}
public LocationModel getDestinationLocation() {
return mDestinationLocation;
}
public AirportInformationModel getAirportInformation() {
return mAirportInformation;
}
public int getCreditCardID() {
return mCreditCardID;
}
public int getPromoCodeID() {
return mPromoCodeID;
}
public JSONArray getFilters() {
return mFilters;
}
public double getConsumerRating() {
return mConsumerRating;
}
public JSONObject toJson() {
try {
JSONObject object = new JSONObject();
object.put(USER_ID, mConsumerID);
object.put(PICKUP_TIME, mPickupTime);
object.put(PICKUP_LOCATION, mPickupLocation.toJson());
object.put(DESTINATION_LOCATION, mDestinationLocation.toJson());
object.put(JOB_STATUS, mJobStatus);
object.put(CONFIRMATION_NUMBER, mConfirmationNumber);
if (mAirportInformation != null) {
object.put(AIRPORT_INFORMATION, mAirportInformation.toJson());
}
object.put(CONSUMER_RATING, mConsumerRating);
return object;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
private static ReservationModel fromJson(JSONObject object) {
try {
ReservationModel model = new ReservationModel();
model.mConsumerID = object.getInt(USER_ID);
model.mPickupTime = object.getLong(PICKUP_TIME);
{
JSONObject pickupLocationObject = object.getJSONObject(PICKUP_LOCATION);
model.mPickupLocation = LocationModel.fromJson(pickupLocationObject);
}
{
JSONObject destinationLocationObject = object.getJSONObject(DESTINATION_LOCATION);
model.mDestinationLocation = LocationModel.fromJson(destinationLocationObject);
}
{
if (object.has(AIRPORT_INFORMATION)) {
JSONObject airportInformationObject = object.getJSONObject(AIRPORT_INFORMATION);
model.mAirportInformation = AirportInformationModel.fromJson(airportInformationObject);
}
}
model.mCreditCardID = object.getInt(CC_ID);
if (object.has(PROMO_CODE_ID)) {
model.mPromoCodeID = object.getInt(PROMO_CODE_ID);
}
model.mFilters = object.getJSONArray(FILTERS);
model.mConsumerRating = 3.5D;
return model;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}
public static class LocationModel {
private double mLatitude;
private double mLongitude;
private String mName;
private LocationModel() {
}
public double getLatitude() {
return mLatitude;
}
public double getLongitude() {
return mLongitude;
}
public String getName() {
return mName;
}
public JSONObject toJson() {
return toJson(true);
}
public JSONObject toJson(boolean pushName) {
try {
JSONObject object = new JSONObject();
object.put(LATITUDE, mLatitude);
object.put(LONGITUDE, mLongitude);
if (pushName) {
object.put(NAME, mName);
}
return object;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
@Override
public String toString() {
return mName;
}
private static LocationModel fromJson(JSONObject object) {
try {
LocationModel location = new LocationModel();
location.mLatitude = object.getDouble(LATITUDE);
location.mLongitude = object.getDouble(LONGITUDE);
location.mName = object.getString(NAME);
return location;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}
public static class AirportInformationModel {
private long mFlightTime;
private String mAirline;
private String mFlightNumber;
private String mTerminal;
private String mComment;
private AirportInformationModel() {
}
public long getFlightTime() {
return mFlightTime;
}
public String getAirline() {
return mAirline;
}
public String getFlightNumber() {
return mFlightNumber;
}
public String getTerminal() {
return mTerminal;
}
public String getComment() {
return mComment;
}
public JSONObject toJson() {
try {
JSONObject object = new JSONObject();
object.put(FLIGHT_TIME, mFlightTime);
object.put(AIRLINE, mAirline);
object.put(FLIGHT_NUMBER, mFlightNumber);
object.put(TERMINAL, mTerminal);
object.put(COMMENT, mComment);
return object;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
private static AirportInformationModel fromJson(JSONObject object) {
try {
AirportInformationModel model = new AirportInformationModel();
model.mFlightTime = object.getLong(FLIGHT_TIME);
model.mAirline = object.getString(AIRLINE);
model.mFlightNumber = object.getString(FLIGHT_NUMBER);
model.mTerminal = object.getString(TERMINAL);
model.mComment = object.getString(COMMENT);
return model;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}
private static class ConfirmationNumberGenerator {
private static final int DIGIT_LENGTH = 10;
private static final int NUMBER_RANGE = 10;
public static String generateRandomConfirmationNumber() {
StringBuilder builder = new StringBuilder();
Random random = new Random();
int zeroCounter = 0;
for (int digitIndex = 0; digitIndex < DIGIT_LENGTH; digitIndex++) {
int number = ((random.nextInt() >>> 1) % NUMBER_RANGE);
if (digitIndex == 0 && number == 0) {
while (number == 0) {
number = ((random.nextInt() >>> 1) % NUMBER_RANGE);
}
} else {
if (number == 0) {
if (zeroCounter >= DIGIT_LENGTH / 2) {
while (number == 0) {
number = ((random.nextInt() >>> 1) % NUMBER_RANGE);
}
} else {
zeroCounter++;
}
}
}
builder.append(number);
}
return builder.toString();
}
}
}