GetUserPlaylistsListTask.java

package com.ved.musicmapapp.providers;

import java.util.ArrayList;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;
import org.json.JSONArray;
import org.json.JSONObject;
import org.json.JSONTokener;

import android.content.Context;
import android.os.AsyncTask;
import android.util.Log;

import com.ved.musicmapapp.Objects.Artist;
import com.ved.musicmapapp.Objects.Playlist;
import com.ved.musicmapapp.Objects.Song;
import com.ved.musicmapapp.Objects.User;
import com.ved.musicmapapp.adapters.DBAdapter;
import com.ved.musicmapapp.utils.Statics;

/** Get all artist info of an user */

public class GetUserPlaylistsListTask extends AsyncTask<Void, Void, User> {
	private Context activity;
	User user;
	public GetUserPlaylistsListTask(Context activity, User user) {
		Log.i("check","In GetUserPlaylistsListTask");
		this.user = user;
		this.activity = activity;
	}

	@Override
	protected User doInBackground(Void... params) {
		try {
			if (Statics.isNetworkConnected(activity)) {
				HttpParams httpParameters = new BasicHttpParams();
				int timeoutConnection = 20000;
				HttpConnectionParams.setConnectionTimeout(httpParameters,timeoutConnection);
				int timeoutSocket = 20000;
				HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
				HttpClient httpclient = new DefaultHttpClient(httpParameters);
				HttpPost httppost = new HttpPost(Statics.WS_PATH+ "getUserPlaylists.php");
				ArrayList<NameValuePair> nvps = new ArrayList<NameValuePair>();
				nvps.add(new BasicNameValuePair("user_id", user.getID()+""));
				httppost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));

				HttpResponse response = httpclient.execute(httppost);
				String data = EntityUtils.toString(response.getEntity(),"UTF-8");
				try {
					Object jsonObj = new JSONTokener(data).nextValue();
					if (jsonObj instanceof JSONObject){
						return user;
					}
					
					else if (jsonObj instanceof JSONArray){
						ArrayList<Playlist> playlists = Statics.getPlaylistFromJSON(data);
						user.setPlaylists(playlists);
						
						if (Statics.hashUsers != null) {
							User userTmp = Statics.hashUsers.get(user.getFbid());
							if (userTmp != null) {
								userTmp.setPlaylists(playlists);
								Statics.hashUsers.put(user.getFbid(), userTmp);
								return userTmp;
							} else {
								return user;
							}
						}
					}
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}

	@Override
	protected void onPostExecute(User result) {
		new AsynAddToDB(result).execute();
		super.onPostExecute(result);
	}

	@Override
	protected void onPreExecute() {
		super.onPreExecute();
	//	dialog.show();
	}

	public void onSuccess(User result) {

	}

	public class AsynAddToDB extends AsyncTask<Void, Void, Void> {
		private User mUser;

		public AsynAddToDB(User user) {
			mUser = user;
		}

		@Override
		protected Void doInBackground(Void... params) {
			// TODO Auto-generated method stub
			if (mUser != null) {
				DBAdapter adapter = new DBAdapter(activity);
				ArrayList<Playlist> playlists = mUser.getPlaylists();
				if(playlists == null)
					return null;
				
				adapter.deleteUserPlaylists(mUser);
				for (Playlist pl : playlists) {
					adapter.addUserPlaylist(pl, mUser);
				}
			}
			return null;
		}

	}
}