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package de.pixart.messenger.services;
import android.app.Notification;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Handler;
import android.os.Looper;
import android.support.v4.app.NotificationCompat;
import android.support.v4.app.NotificationManagerCompat;
import android.util.Log;
import android.widget.Toast;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import javax.net.ssl.HttpsURLConnection;
import de.pixart.messenger.BuildConfig;
import de.pixart.messenger.Config;
import de.pixart.messenger.R;
import de.pixart.messenger.ui.UpdaterActivity;
import static de.pixart.messenger.services.NotificationService.UPDATE_NOTIFICATION_ID;
public class UpdateService extends AsyncTask<String, Object, UpdateService.Wrapper> {
public UpdateService (){
}
private Context context;
public UpdateService(Context context) {
this.context = context;
}
public class Wrapper
{
public boolean UpdateAvailable = false;
public boolean NoUpdate = false;
public boolean isError = false;
}
@Override
protected Wrapper doInBackground(String... params) {
String jsonString = "";
boolean UpdateAvailable = false;
boolean showNoUpdateToast = false;
boolean isError = false;
if (params[0].equals("true")) {
showNoUpdateToast = true;
}
HttpsURLConnection connection = null;
try {
URL url = new URL(Config.UPDATE_URL);
connection = (HttpsURLConnection)url.openConnection();
connection.setConnectTimeout(Config.SOCKET_TIMEOUT * 1000);
connection.setReadTimeout(Config.SOCKET_TIMEOUT * 1000);
connection.setRequestProperty("User-Agent", context.getString(R.string.app_name));
BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String line;
while ((line = reader.readLine()) != null) {
jsonString += line;
}
} catch (Exception e) {
e.printStackTrace();
isError = true;
} finally {
if (connection != null) {
connection.disconnect();
}
}
try {
JSONObject json = new JSONObject(jsonString);
if (json.getBoolean("success") && json.has("latestVersion") && json.has("appURI") && json.has("filesize")) {
String version = json.getString("latestVersion");
String ownVersion = BuildConfig.VERSION_NAME;
String url = json.getString("appURI");
String filesize = json.getString("filesize");
String changelog = "";
if (json.has("changelog")) {
changelog = json.getString("changelog");
}
if (checkVersion(version, ownVersion) >= 1) {
Log.d(Config.LOGTAG, "AppUpdater: Version " + ownVersion + " should be updated to " + version);
UpdateAvailable = true;
showNotification(url, changelog, version, filesize);
} else {
Log.d(Config.LOGTAG, "AppUpdater: Version " + ownVersion + " is up to date");
UpdateAvailable = false;
}
}
} catch (JSONException e) {
e.printStackTrace();
}
Wrapper w = new Wrapper();
w.isError = isError;
w.UpdateAvailable = UpdateAvailable;
w.NoUpdate = showNoUpdateToast;
return w;
}
@Override
protected void onPostExecute(Wrapper w) {
super.onPostExecute(w);
if (w.isError) {
showToastMessage(true, true);
return;
}
if (!w.UpdateAvailable) {
showToastMessage(w.NoUpdate, false);
}
}
private void showToastMessage(boolean show, final boolean error) {
if (!show) {
return;
}
Handler handler = new Handler(Looper.getMainLooper());
handler.post(new Runnable() {
@Override
public void run() {
String ToastMessage = "";
if (error) {
ToastMessage = context.getString(R.string.failed);
} else {
ToastMessage = context.getString(R.string.no_update_available);
}
Toast.makeText(context, ToastMessage, Toast.LENGTH_LONG).show();
}
});
}
private void showNotification(String url, String changelog, String version, String filesize) {
Intent intent = new Intent(context, UpdaterActivity.class);
intent.putExtra("update", "PixArtMessenger_UpdateService");
intent.putExtra("url", url);
intent.putExtra("changelog", changelog);
PendingIntent pi = PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(context);
NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(context);
mBuilder.setContentTitle(context.getString(R.string.update_service));
mBuilder.setContentText(String.format(context.getString(R.string.update_available), version, filesize));
mBuilder.setSmallIcon(R.drawable.ic_update_notification);
mBuilder.setContentIntent(pi);
Notification notification = mBuilder.build();
notificationManager.notify(UPDATE_NOTIFICATION_ID, notification);
}
private int checkVersion(String remoteVersion, String installedVersion) {
// Use this instead of String.compareTo() for a non-lexicographical
// comparison that works for version strings. e.g. "1.10".compareTo("1.6").
//
// @param str1 a string of ordinal numbers separated by decimal points.
// @param str2 a string of ordinal numbers separated by decimal points.
// @return The result is a negative integer if str1 is _numerically_ less than str2.
// The result is a positive integer if str1 is _numerically_ greater than str2.
// The result is zero if the strings are _numerically_ equal.
// @note It does not work if "1.10" is supposed to be equal to "1.10.0".
String[] remote = null;
String[] installed = null;
String[] remoteV = null;
String[] installedV = null;
try {
installedV = installedVersion.split(" ");
Log.d(Config.LOGTAG, "AppUpdater: Version installed: " + installedV[0]);
installed = installedV[0].split("\\.");
} catch (Exception e) {
e.printStackTrace();
}
try {
remoteV = remoteVersion.split(" ");
if (installedV != null && installedV.length > 1) {
if (installedV[1] != null) {
remoteV[0] = remoteV[0] + ".1";
}
}
Log.d(Config.LOGTAG, "AppUpdater: Version on server: " + remoteV[0]);
remote = remoteV[0].split("\\.");
} catch (Exception e) {
e.printStackTrace();
}
int i = 0;
// set index to first non-equal ordinal or length of shortest localVersion string
if (remote != null && installed != null) {
while (i < remote.length && i < installed.length && remote[i].equals(installed[i])) {
i++;
}
// compare first non-equal ordinal number
if (i < remote.length && i < installed.length) {
int diff = Integer.valueOf(remote[i]).compareTo(Integer.valueOf(installed[i]));
return Integer.signum(diff);
}
// the strings are equal or one string is a substring of the other
// e.g. "1.2.3" = "1.2.3" or "1.2.3" < "1.2.3.4"
return Integer.signum(remote.length - installed.length);
}
return 0;
}
}
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