eventapp.beans.EventManagement.java Source code

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Here is the source code for eventapp.beans.EventManagement.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package eventapp.beans;

import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import com.google.gson.stream.JsonReader;
import eventapp.Attachment;
import eventapp.DAOFactory;
import eventapp.Event;
import eventapp.pojos.GeoCoder;
import java.io.BufferedWriter;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import javax.ejb.Stateless;
import org.orm.PersistentException;

/**
 *
 * @author nunoandrebarbosagomes
 */
@Stateless
public class EventManagement implements EventManagementLocal {

    @Override
    public GeoCoder geoCoding(String address) throws Exception {
        Gson gson = new Gson();
        GeoCoder location = null;

        URL url = new URL("https://maps.googleapis.com/maps/api/geocode/json?address=" + address
                + "&key=AIzaSyDQm3SmzFttml3FCJAsO6nQ7os_q8bdUhA");
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoOutput(true);
        connection.setDoInput(true);
        connection.setRequestProperty("Acceptd", "application/json");
        connection.setRequestMethod("GET");
        String requestParams = "";

        try (OutputStream os = connection.getOutputStream();
                BufferedWriter _writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8"));) {
            _writer.write(requestParams);
            _writer.flush();
        }
        try (InputStream in = connection.getInputStream();
                JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));) {
            JsonElement jelement = new JsonParser().parse(reader);
            //json.results[0].geometry.location
            JsonObject jobject = jelement.getAsJsonArray().get(0).getAsJsonObject().getAsJsonObject("geometry")
                    .getAsJsonObject("location");
            location = gson.fromJson((JsonElement) jobject, GeoCoder.class);
        }
        return location;
    }

    @Override
    public Event saveEvent(long organizationUserID, long eventCategoryID, String title, String date,
            String description, String additionalInformation, String country, String city, String zip,
            String address, String addressOptional, double price, ArrayList<String> imagesPath) throws Exception {

        Event event = DAOFactory.getDAOFactory().getEventDAO().createEvent();
        copyToEvent(event, organizationUserID, eventCategoryID, title, date, description, additionalInformation,
                country, city, zip, address, addressOptional, price);
        if (!imagesPath.isEmpty()) {
            for (String imagePath : imagesPath) {
                Attachment attachment = this.insertAttachment(imagePath);
                if (attachment != null) {
                    event.photos.add(attachment);
                }
            }
        }

        if (DAOFactory.getDAOFactory().getEventDAO().save(event)) {
            return event;
        } else {
            return null;
        } //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public Event getEvent(long eventID) throws Exception {
        return DAOFactory.getDAOFactory().getEventDAO().loadEventByORMID((int) eventID);
    }

    @Override
    public boolean deleteEvent(long eventID) throws Exception {
        Event _event = DAOFactory.getDAOFactory().getEventDAO().loadEventByORMID((int) eventID);
        return _event != null && DAOFactory.getDAOFactory().getEventDAO().deleteAndDissociate(_event);
    }

    private void copyToEvent(Event _event, long organizationUserID, long eventCategoryID, String title, String date,
            String description, String additionalInformation, String country, String city, String zip,
            String address, String addressOptional, double price) {

        _event.setTitle(date);
        _event.setDate(date);
        _event.setDescription(description);
        _event.setAdditionalInformation(additionalInformation);
        _event.setCountry(country);
        _event.setCity(city);
        _event.setZip(zip);
        _event.setAddress(address);
        _event.setAddressOptional(addressOptional);
        _event.setPrice(price);

        try {
            eventapp.EventCategory _eventCategory = DAOFactory.getDAOFactory().getEventCategoryDAO()
                    .loadEventCategoryByORMID((int) eventCategoryID);
            _event.setEventCategory(_eventCategory);
        } catch (PersistentException e) {
        }

        try {
            eventapp.OrganizationUser _organizationUser = DAOFactory.getDAOFactory().getOrganizationUserDAO()
                    .loadOrganizationUserByORMID((int) organizationUserID);
            _event.setOrganizationUser(_organizationUser);
        } catch (PersistentException e) {
        }

    }

    @Override
    public Attachment insertAttachment(String fileName) throws Exception {
        Attachment attachment = DAOFactory.getDAOFactory().getAttachmentDAO().createAttachment();
        copyToAttachement(attachment, fileName);
        return attachment;
    }

    private void copyToAttachement(Attachment _attachment, String fileName) {
        _attachment.setFilename(fileName);
    }
}