Android Open Source - digital-ocean-swimmer Region Service

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From Project

Back to project page digital-ocean-swimmer.

License

The source code is released under:

MIT License

Java Source Code

package com.yassirh.digitalocean.service;
//  ww w .  j  a  v  a2 s .c o  m
import java.util.ArrayList;
import java.util.List;

import org.apache.http.Header;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.support.v4.app.NotificationCompat;

import com.loopj.android.http.AsyncHttpClient;
import com.loopj.android.http.AsyncHttpResponseHandler;
import com.yassirh.digitalocean.R;
import com.yassirh.digitalocean.data.DatabaseHelper;
import com.yassirh.digitalocean.data.RegionDao;
import com.yassirh.digitalocean.model.Account;
import com.yassirh.digitalocean.model.Region;
import com.yassirh.digitalocean.utils.ApiHelper;

public class RegionService {

  private Context context;
  private boolean isRefreshing;
    
  public RegionService(Context context) {
    this.context = context;
  }

  public void getAllRegionsFromAPI(final boolean showProgress){
    Account currentAccount = ApiHelper.getCurrentAccount(context);
    if(currentAccount == null){
      return;
    }
    isRefreshing = true;
    String url = String.format("%s/regions/", ApiHelper.API_URL);//String url = "https://api.digitalocean.com/regions/?client_id=" + currentAccount.getClientId() + "&api_key=" + currentAccount.getApiKey(); 
    AsyncHttpClient client = new AsyncHttpClient();
    client.addHeader("Authorization", String.format("Bearer %s", currentAccount.getToken()));
    client.get(url, new AsyncHttpResponseHandler() {
      NotificationManager mNotifyManager;
      NotificationCompat.Builder mBuilder;
      
      @Override
      public void onStart() {
        if(showProgress){
          mNotifyManager =
                  (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
          mBuilder = new NotificationCompat.Builder(context);
          mBuilder.setContentTitle(context.getResources().getString(R.string.synchronising))
              .setContentText(context.getResources().getString(R.string.synchronising_regions))
              .setSmallIcon(R.drawable.ic_launcher);
          mBuilder.setContentIntent(PendingIntent.getActivity(context,0,new Intent(),PendingIntent.FLAG_UPDATE_CURRENT));
          mNotifyManager.notify(NotificationsIndexes.NOTIFICATION_GET_ALL_REGIONS, mBuilder.build());
        }
      }
      
      @Override
      public void onFinish() {
        isRefreshing = false;
        if(showProgress){
          mNotifyManager.cancel(NotificationsIndexes.NOTIFICATION_GET_ALL_REGIONS);
        }
      }
      
      @Override
      public void onFailure(int statusCode, Header[] headers, byte[] responseBody, Throwable error) {
        if(statusCode == 401){
          ApiHelper.showAccessDenied();
        }
      }
      
      @Override
      public void onProgress(int bytesWritten, int totalSize) {
        if(showProgress){
          mBuilder.setProgress(100, 100*bytesWritten/totalSize, false);
          mNotifyManager.notify(NotificationsIndexes.NOTIFICATION_GET_ALL_REGIONS, mBuilder.build());
        }
      }

            @Override
            public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
                try {
                    JSONObject jsonObject = new JSONObject(new String(responseBody));
                    List<Region> regions = new ArrayList<Region>();
                    JSONArray regionJSONArray = jsonObject.getJSONArray("regions");
                    for(int i = 0; i < regionJSONArray.length(); i++){
                        JSONObject regionJSONObject = regionJSONArray.getJSONObject(i);
                        Region region = jsonObjectToRegion(regionJSONObject);
                        regions.add(region);
                    }
                    RegionService.this.deleteAll();
                    RegionService.this.saveAll(regions);
                    RegionService.this.setRequiresRefresh(true);
                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }
        });
  }

  public static Region jsonObjectToRegion(JSONObject regionJSONObject)
      throws JSONException {
    Region region = new Region();
    region.setName(regionJSONObject.getString("name"));
    region.setSlug(regionJSONObject.getString("slug"));
        try {
            region.setAvailable(regionJSONObject.getBoolean("available"));
        }catch (JSONException ignored){
        }
    String features = "";
    for (int i = 0; i < regionJSONObject.getJSONArray("features").length(); i++) {
      features += ";" + regionJSONObject.getJSONArray("features").getString(i);
    }
    region.setFeatures(features.replaceFirst(";", ""));
    return region;
  }
  
  public void deleteAll() {
    RegionDao regionDao = new RegionDao(DatabaseHelper.getInstance(context));
    regionDao.deleteAll();
  }

  protected void saveAll(List<Region> regions) {
    RegionDao regionDao = new RegionDao(DatabaseHelper.getInstance(context));
    for (Region region : regions) {
      regionDao.create(region);
    }
  }
  
  public List<Region> getAllRegions(){
    RegionDao regionDao = new RegionDao(DatabaseHelper.getInstance(context));
        return regionDao.getAll(null);
  }

  public List<Region> getAllRegionsOrderedByName(){
    RegionDao regionDao = new RegionDao(DatabaseHelper.getInstance(context));
        return regionDao.getAllOrderedByName();
  }
  
  public void setRequiresRefresh(Boolean requireRefresh){
    SharedPreferences settings = context.getSharedPreferences("prefrences", 0);
    SharedPreferences.Editor editor = settings.edit();
    editor.putBoolean("region_require_refresh", requireRefresh);
    editor.commit();
  }
  
  public Boolean requiresRefresh(){
    SharedPreferences settings = context.getSharedPreferences("prefrences", 0);
    return settings.getBoolean("region_require_refresh", true);
  }

  public boolean isRefreshing() {
    return isRefreshing;
  }
}

Java Source Code List

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