reworked updater

1 files changed, 196 insertions, 0 deletions

diff --git a/src/main/java/de/pixart/messenger/services/UpdateService.java b/src/main/java/de/pixart/messenger/services/UpdateService.java
new file mode 100644
index 000000000..bb186063b
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/services/UpdateService.java
@@ -0,0 +1,196 @@
+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> {
+
+    private Context context;
+
+    public UpdateService(Context context) {
+        this.context = context;
+    }
+
+    public class Wrapper
+    {
+        public boolean UpdateAvailable;
+        public boolean showNoUpdateToast;
+    }
+
+    @Override
+    protected Wrapper doInBackground(String... params) {
+
+        boolean showNoUpdateToast = false;
+        if (params[0].equals("true")) {
+            showNoUpdateToast = true;
+        }
+
+
+        HttpsURLConnection connection = null;
+        String jsonString = "";
+        boolean UpdateAvailable = false;
+
+        try  {
+            URL url = new URL(Config.UPDATE_URL);
+            connection = (HttpsURLConnection)url.openConnection();
+            connection.setConnectTimeout(Config.SOCKET_TIMEOUT * 1000);
+            connection.setReadTimeout(Config.SOCKET_TIMEOUT * 1000);
+            BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
+            String line;
+            while ((line = reader.readLine()) != null) {
+                jsonString += line;
+            }
+
+        } catch (Exception e) {
+            e.printStackTrace();
+            return null;
+        } 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.UpdateAvailable = UpdateAvailable;
+        w.showNoUpdateToast = showNoUpdateToast;
+        return w;
+    }
+
+    @Override
+    protected void onPostExecute(Wrapper w) {
+        super.onPostExecute(w);
+        if (!w.UpdateAvailable) {
+            noUpdateMessage(w.showNoUpdateToast);
+        }
+    }
+
+    private void noUpdateMessage(boolean show) {
+        if (!show) {
+            return;
+        }
+        Handler handler = new Handler(Looper.getMainLooper());
+        handler.post(new Runnable() {
+
+            @Override
+            public void run() {
+                Toast.makeText(context, context.getString(R.string.no_update_available), 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;
+    }
+}
\ No newline at end of file