AccountService.java

package com.yassirh.digitalocean.service;

import android.content.Context;

import com.loopj.android.http.AsyncHttpClient;
import com.loopj.android.http.AsyncHttpResponseHandler;
import com.yassirh.digitalocean.data.AccountDao;
import com.yassirh.digitalocean.data.DatabaseHelper;
import com.yassirh.digitalocean.data.DomainDao;
import com.yassirh.digitalocean.data.DropletDao;
import com.yassirh.digitalocean.data.ImageDao;
import com.yassirh.digitalocean.data.RegionDao;
import com.yassirh.digitalocean.data.SSHKeyDao;
import com.yassirh.digitalocean.data.SizeDao;
import com.yassirh.digitalocean.model.Account;
import com.yassirh.digitalocean.utils.ApiHelper;
import com.yassirh.digitalocean.utils.PreferencesHelper;

import org.json.JSONException;
import org.json.JSONObject;

import java.util.Calendar;
import java.util.List;
import java.util.Locale;

public class AccountService {
	
	private Context context;
		
	public AccountService(Context context) {
		this.context = context;
	}
	
	
	public void getNewToken() {
		final Account currentAccount = ApiHelper.getCurrentAccount(context);
		if(currentAccount == null){
			return;
		}
		
		AsyncHttpClient client = new AsyncHttpClient();
		client.get(String.format(Locale.US, "https://yassirh.com/digitalocean_swimmer/generate_refresh_token.php?refresh_token=%s", currentAccount.getRefreshToken()), new AsyncHttpResponseHandler(){

            @Override
            public void onSuccess(int statusCode, cz.msebera.android.httpclient.Header[] headers, byte[] responseBody) {
                try {
                    Calendar expiresIn = Calendar.getInstance();
                    JSONObject jsonObject = new JSONObject(new String(responseBody));
                    expiresIn.add(Calendar.SECOND, Integer.parseInt(jsonObject.getString("expires_in")));
                    currentAccount.setExpiresIn(expiresIn.getTime());
                    currentAccount.setRefreshToken(jsonObject.getString("refresh_token"));
                    currentAccount.setToken(jsonObject.getString("access_token"));
                    AccountDao accountDao = new AccountDao(DatabaseHelper.getInstance(context));
                    accountDao.createOrUpdate(currentAccount);
                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }

            @Override
            public void onFailure(int statusCode, cz.msebera.android.httpclient.Header[] headers, byte[] responseBody, Throwable error) {
				if(statusCode == 401){
					ApiHelper.showAccessDenied();
				}
			}
			
		});
	}

	public boolean hasAccounts() {
		AccountDao accountDao = new AccountDao(DatabaseHelper.getInstance(context));
		List<Account> accounts = accountDao.getAll(null);
		return accounts.size() > 0;
	}

    public void clearData() {
        DatabaseHelper databaseHelper = DatabaseHelper.getInstance(context);
        new AccountDao(databaseHelper).deleteAll();
        new DropletDao(databaseHelper).deleteAll();
        new DomainDao(databaseHelper).deleteAll();
        new ImageDao(databaseHelper).deleteAll();
        new SSHKeyDao(databaseHelper).deleteAll();
        new RegionDao(databaseHelper).deleteAll();
        new SizeDao(databaseHelper).deleteAll();
        PreferencesHelper.clearAll(context);
    }
}