CampaignService.java

package com.sjriley.zappit.services;

import android.app.IntentService;
import android.content.Intent;
import android.content.SharedPreferences;
import android.util.Log;

import com.sjriley.zappit.PreferencesActivity;
import com.sjriley.zappit.models.CampaignModel;
import com.sjriley.zappit.models.CodeCheckModel;
import com.sjriley.zappit.utils.ConnectionUtils;
import com.sjriley.zappit.vo.CampaignResponse;
import com.sjriley.zappit.vo.CodeCheckResponse;

public class CampaignService extends IntentService
{
    public final static String NAME = "locationService";
    public final static int FAILED_RETRY_WAIT = 5000;
    public final static int RE_DOWNLOAD_WAIT = 50000;
    private static final String TAG = CampaignService.class.getSimpleName();
    public CampaignService()
    {
        super(NAME);
    }
    @Override
    protected void onHandleIntent(Intent arg0)
    {
        Log.d(TAG, "Starting campaign download");
        //try downloading every hour
        while(true) {
            //try to get code details every 5 seconds 
            while (getCodeDetails() == false) {
                try {
                    synchronized (this) {
                        wait(FAILED_RETRY_WAIT);
                    }
                } 
                catch (InterruptedException e) {
                    e.printStackTrace();
                    return;
                }
            }
            //pointless?
            //wait an hour before trying again
            synchronized (this)
            {
                Log.d(TAG, "waiting before downloading again");
                try
                {
                    wait(RE_DOWNLOAD_WAIT);
                } catch (InterruptedException e)
                {
                    e.printStackTrace();
                }
                getCodeDetails();
            }
        }
    }

    public boolean getCodeDetails() {
        Log.d(TAG, "Get Code details called");
        SharedPreferences prefs = getSharedPreferences(PreferencesActivity.DEFAULT_PREFERECES, 0);
        String userId = prefs.getString(PreferencesActivity.USER_ID, "");
        Log.d(TAG, "Get Code details called with user_id" + userId);
        if (userId == "") {
            return false;
        }
        CampaignModel model = new CampaignModel(this.getApplicationContext());
        return  model.downloadCampaigns(userId);
    }
}