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package de.danoeh.antennapod.activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.RadioButton;
import android.widget.TextView;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.adapter.StatisticsListAdapter;
import de.danoeh.antennapod.core.preferences.UserPreferences;
import de.danoeh.antennapod.core.storage.DBReader;
import de.danoeh.antennapod.core.storage.PodDBAdapter;
import de.danoeh.antennapod.core.util.Converter;
import rx.Observable;
import rx.Subscription;
import rx.android.schedulers.AndroidSchedulers;
import rx.schedulers.Schedulers;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.channels.FileChannel;
/**
* Displays the 'statistics' screen
*/
public class ImportExportActivity extends AppCompatActivity {
private static final int READ_REQUEST_CODE = 41;
private static final int READ_REQUEST_CODE_DOCUMENT = 42;
private static final String TAG = ImportExportActivity.class.getSimpleName();
@Override
protected void onCreate(Bundle savedInstanceState) {
setTheme(UserPreferences.getTheme());
super.onCreate(savedInstanceState);
getSupportActionBar().setDisplayShowHomeEnabled(true);
setContentView(R.layout.import_export_activity);
//backup();
//restore();
}
@Override
public void onResume() {
super.onResume();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == android.R.id.home) {
finish();
return true;
} else {
return super.onOptionsItemSelected(item);
}
}
private void restore() {
if(Build.VERSION.SDK_INT >= 19) {
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.setType("*/*");
startActivityForResult(intent, READ_REQUEST_CODE_DOCUMENT);
} else {
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("*/*");
startActivityForResult(Intent.createChooser(intent, "Select a File to import"), READ_REQUEST_CODE);
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent resultData) {
File currentDB = getDatabasePath(PodDBAdapter.DATABASE_NAME);
if (requestCode == READ_REQUEST_CODE_DOCUMENT && resultCode == RESULT_OK) {
if (resultData != null) {
Uri uri = resultData.getData();
try {
InputStream inputStream = getContentResolver().openInputStream(uri);
copyInputStreamToFile(inputStream, currentDB);
inputStream.close();
} catch (Exception e) {
e.printStackTrace();
}
}
} else if(requestCode == READ_REQUEST_CODE && resultCode == RESULT_OK) {
if (resultData != null) {
Uri uri = resultData.getData();
try {
File backupDB = new File(getPath(getBaseContext(), uri));
if (backupDB.exists()) {
FileChannel src = new FileInputStream(currentDB).getChannel();
FileChannel dst = new FileOutputStream(backupDB).getChannel();
dst.transferFrom(src, 0, src.size());
src.close();
dst.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
private void copyInputStreamToFile(InputStream in, File file) {
try {
OutputStream out = new FileOutputStream(file);
byte[] buf = new byte[1024];
int len;
while((len=in.read(buf))>0){
out.write(buf,0,len);
}
out.close();
} catch (Exception e) {
e.printStackTrace();
}
}
private static String getPath(Context context, Uri uri) {
if ("content".equalsIgnoreCase(uri.getScheme())) {
String[] projection = { "_data" };
Cursor cursor = null;
try {
cursor = context.getContentResolver().query(uri, projection, null, null, null);
int column_index = cursor.getColumnIndexOrThrow("_data");
if (cursor.moveToFirst()) {
return cursor.getString(column_index);
}
} catch (Exception e) {
// Eat it
}
}
else if ("file".equalsIgnoreCase(uri.getScheme())) {
return uri.getPath();
}
return null;
}
private void backup() {
try {
File sd = Environment.getExternalStorageDirectory();
if (sd.canWrite()) {
File currentDB = getDatabasePath(PodDBAdapter.DATABASE_NAME);
File backupDB = new File(sd, "AntennaPodBackup.db");
if (currentDB.exists()) {
FileChannel src = new FileInputStream(currentDB).getChannel();
FileChannel dst = new FileOutputStream(backupDB).getChannel();
dst.transferFrom(src, 0, src.size());
src.close();
dst.close();
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
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