/*
* Copyright (c) 2016 Washington State Department of Transportation
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
package gov.wa.wsdot.mobile.client.activities.ferries.schedules;
import com.google.code.gwt.database.client.GenericRow;
import com.google.code.gwt.database.client.service.DataServiceException;
import com.google.code.gwt.database.client.service.ListCallback;
import com.google.code.gwt.database.client.service.RowIdListCallback;
import com.google.code.gwt.database.client.service.VoidCallback;
import com.google.gwt.i18n.client.DateTimeFormat;
import com.google.gwt.json.client.JSONArray;
import com.google.gwt.jsonp.client.JsonpRequestBuilder;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.AcceptsOneWidget;
import com.google.web.bindery.event.shared.EventBus;
import com.googlecode.gwtphonegap.client.PhoneGap;
import com.googlecode.gwtphonegap.client.notification.AlertCallback;
import com.googlecode.mgwt.mvp.client.MGWTAbstractActivity;
import com.googlecode.mgwt.ui.client.widget.panel.pull.PullArrowStandardHandler;
import com.googlecode.mgwt.ui.client.widget.panel.pull.PullArrowStandardHandler.PullActionHandler;
import gov.wa.wsdot.mobile.client.ClientFactory;
import gov.wa.wsdot.mobile.client.activities.ferries.schedules.sailings.FerriesRouteSailingsPlace;
import gov.wa.wsdot.mobile.client.event.ActionEvent;
import gov.wa.wsdot.mobile.client.event.ActionNames;
import gov.wa.wsdot.mobile.client.plugins.accessibility.Accessibility;
import gov.wa.wsdot.mobile.client.plugins.analytics.Analytics;
import gov.wa.wsdot.mobile.client.service.WSDOTContract.CachesColumns;
import gov.wa.wsdot.mobile.client.service.WSDOTContract.FerriesSchedulesColumns;
import gov.wa.wsdot.mobile.client.service.WSDOTDataService;
import gov.wa.wsdot.mobile.client.service.WSDOTDataService.Tables;
import gov.wa.wsdot.mobile.client.util.Consts;
import gov.wa.wsdot.mobile.shared.CacheItem;
import gov.wa.wsdot.mobile.shared.FerriesRouteFeed;
import gov.wa.wsdot.mobile.shared.FerriesRouteItem;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
public class FerriesRouteSchedulesActivity extends MGWTAbstractActivity
implements FerriesRouteSchedulesView.Presenter {
private final ClientFactory clientFactory;
private FerriesRouteSchedulesView view;
private EventBus eventBus;
private WSDOTDataService dbService;
private PhoneGap phoneGap;
private Analytics analytics;
private Accessibility accessibility;
private static boolean alertShowing = false;
private static List<FerriesRouteItem> ferriesRouteItems = new ArrayList<FerriesRouteItem>();
private static List<Integer> starred = new ArrayList<Integer>();
private static DateTimeFormat dateFormat = DateTimeFormat.getFormat("MMMM d, yyyy h:mm a");
private static final String FERRIES_SCHEDULES_URL = Consts.HOST_URL + "/traveler/api/wsfschedule";
public FerriesRouteSchedulesActivity(ClientFactory clientFactory) {
this.clientFactory = clientFactory;
}
@Override
public void start(AcceptsOneWidget panel, final EventBus eventBus) {
view = clientFactory.getFerriesRouteSchedulesView();
dbService = clientFactory.getDbService();
phoneGap = clientFactory.getPhoneGap();
analytics = clientFactory.getAnalytics();
accessibility = clientFactory.getAccessibility();
this.eventBus = eventBus;
view.setPresenter(this);
view.getPullHeader().setHTML("pull down");
PullArrowStandardHandler headerHandler = new PullArrowStandardHandler(
view.getPullHeader(), view.getPullPanel());
headerHandler.setErrorText("Error");
headerHandler.setLoadingText("Loading");
headerHandler.setNormalText("pull down");
headerHandler.setPulledText("release to load");
headerHandler.setPullActionHandler(new PullActionHandler() {
@Override
public void onPullAction(final AsyncCallback<Void> callback) {
new Timer() {
@Override
public void run() {
createTopicsList(true);
view.refresh();
callback.onSuccess(null);
}
}.schedule(1);
}
});
view.setHeaderPullHandler(headerHandler);
createTopicsList(false);
if (Consts.ANALYTICS_ENABLED) {
analytics.trackScreen("/Ferries/Schedules");
}
panel.setWidget(view);
accessibility.postScreenChangeNotification();
}
@Override
public void onItemSelected(int index) {
FerriesRouteItem item = ferriesRouteItems.get(index);
if (Consts.ANALYTICS_ENABLED) {
analytics.trackEvent("Ferries", "Schedules", item.getDescription());
}
clientFactory.getPlaceController().goTo(
new FerriesRouteSailingsPlace(Integer.toString(item
.getRouteID())));
}
private void createTopicsList(final boolean forceUpdate) {
/**
* Check the cache table for the last time data was downloaded. If we are within
* the allowed time period, don't sync, otherwise get fresh data from the server.
*/
dbService.getCacheLastUpdated(Tables.FERRIES_SCHEDULES, new ListCallback<GenericRow>() {
@Override
public void onFailure(DataServiceException error) {
}
@Override
public void onSuccess(List<GenericRow> result) {
boolean shouldUpdate = true;
if (!result.isEmpty()) {
double now = System.currentTimeMillis();
double lastUpdated = result.get(0).getDouble(CachesColumns.CACHE_LAST_UPDATED);
shouldUpdate = (Math.abs(now - lastUpdated) > (15 * 60000)); // Refresh every 15 minutes.
}
view.showProgressIndicator();
if (shouldUpdate || forceUpdate) {
/**
* Check the ferry schedules table for any starred entries. If we find some,
* save them to a list so we can re-star those after we flush the database.
*/
dbService.getStarredFerriesSchedules(new ListCallback<GenericRow>() {
@Override
public void onFailure(DataServiceException error) {
}
@Override
public void onSuccess(List<GenericRow> result) {
starred.clear();
if (!result.isEmpty()) {
for (GenericRow row: result) {
starred.add(row.getInt(FerriesSchedulesColumns.FERRIES_SCHEDULE_ID));
}
}
JsonpRequestBuilder jsonp = new JsonpRequestBuilder();
// Set timeout for 30 seconds (30000 milliseconds)
jsonp.setTimeout(30000);
jsonp.requestObject(
FERRIES_SCHEDULES_URL,
new AsyncCallback<FerriesRouteFeed>() {
@Override
public void onFailure(Throwable caught) {
view.hideProgressIndicator();
if (!alertShowing){
alertShowing = true;
phoneGap.getNotification()
.alert("Can't load data. Check your connection.",
new AlertCallback() {
@Override
public void onOkButtonClicked() {
alertShowing = false;
}
}, "Connection Error");
}
}
@Override
public void onSuccess(FerriesRouteFeed result) {
if (result.getRoutes() != null) {
ferriesRouteItems.clear();
FerriesRouteItem item;
int numRoutes = result.getRoutes().length();
for (int i = 0; i < numRoutes; i++) {
item = new FerriesRouteItem();
item.setRouteID(result.getRoutes().get(i).getRouteID());
item.setDescription(result.getRoutes().get(i).getDescription());
item.setCrossingTime(result.getRoutes().get(i).getCrossingTime());
item.setScheduleDate(new JSONArray(result.getRoutes().get(i).getDate()).toString());
item.setRouteAlert(new JSONArray(result.getRoutes().get(i).getRouteAlert()).toString());
item.setCacheDate(dateFormat.format(new Date(
Long.parseLong(result.getRoutes()
.get(i).getCacheDate()
.substring(6, 19)))));
if (starred.contains(result.getRoutes().get(i).getRouteID())) {
item.setIsStarred(1);
}
ferriesRouteItems.add(item);
}
// Purge existing border wait times covered by incoming data
dbService.deleteFerriesSchedules(new VoidCallback() {
@Override
public void onFailure(DataServiceException error) {
}
@Override
public void onSuccess() {
// Bulk insert all the new ferries schedules
dbService.insertFerriesSchedules(ferriesRouteItems, new RowIdListCallback() {
@Override
public void onFailure(DataServiceException error) {
}
@Override
public void onSuccess(List<Integer> rowIds) {
// Update the cache table with the time we did the update
List<CacheItem> cacheItems = new ArrayList<CacheItem>();
cacheItems.add(new CacheItem(Tables.FERRIES_SCHEDULES, System.currentTimeMillis()));
dbService.updateCachesTable(cacheItems, new VoidCallback() {
@Override
public void onFailure(DataServiceException error) {
}
@Override
public void onSuccess() {
dbService.getFerriesSchedules(new ListCallback<GenericRow>() {
@Override
public void onFailure(DataServiceException error) {
}
@Override
public void onSuccess(List<GenericRow> result) {
getFerriesSchedules(result);
}
});
}
});
}
});
}
});
}
}
});
}
});
} else {
dbService.getFerriesSchedules(new ListCallback<GenericRow>() {
@Override
public void onFailure(DataServiceException error) {
}
@Override
public void onSuccess(List<GenericRow> result) {
getFerriesSchedules(result);
}
});
}
}
});
}
/**
* Get the latest ferries route schedules from the database.
*
* @param result
*/
private void getFerriesSchedules(List<GenericRow> result) {
ferriesRouteItems.clear();
FerriesRouteItem item;
int numResults = result.size();
for (int i = 0; i < numResults; i++) {
item = new FerriesRouteItem();
item.setRouteID(result.get(i).getInt(FerriesSchedulesColumns.FERRIES_SCHEDULE_ID));
item.setDescription(result.get(i).getString(FerriesSchedulesColumns.FERRIES_SCHEDULE_TITLE));
item.setCrossingTime(result.get(i).getString(FerriesSchedulesColumns.FERRIES_SCHEDULE_CROSSING_TIME));
item.setScheduleDate(result.get(i).getString(FerriesSchedulesColumns.FERRIES_SCHEDULE_DATE));
item.setRouteAlert(result.get(i).getString(FerriesSchedulesColumns.FERRIES_SCHEDULE_ALERT));
item.setCacheDate(result.get(i).getString(FerriesSchedulesColumns.FERRIES_SCHEDULE_UPDATED));
item.setIsStarred(result.get(i).getInt(FerriesSchedulesColumns.FERRIES_SCHEDULE_IS_STARRED));
ferriesRouteItems.add(item);
}
view.hideProgressIndicator();
view.render(ferriesRouteItems);
view.refresh();
accessibility.postScreenChangeNotification();
}
@Override
public void onStop() {
view.setPresenter(null);
}
@Override
public void onBackButtonPressed() {
ActionEvent.fire(eventBus, ActionNames.BACK);
}
}