AddSongToUserPlaylistTask.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.JSONObject;
import org.json.JSONTokener;

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

import com.ved.musicmapapp.Objects.Playlist;
import com.ved.musicmapapp.Objects.PlaylistArSong;
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 AddSongToUserPlaylistTask extends AsyncTask<Void, Void, String> {
	private Context context;
	User user;
	Playlist _playlist;
	int successfullyAdded = 0;
	int alreadyExists = 0;
	
	public AddSongToUserPlaylistTask(Context context, User user, Playlist pl) {
		Log.i("check","In AddSongToUserPlaylistTask");
		this.user = user;
		this.context = context;
		this._playlist = pl;
	}

	@Override
	protected String doInBackground(Void... params) {
		String message ="";
		try {
			if (Statics.isNetworkConnected(context)) {
				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+ "addTrackToPlaylist.php");

				DBAdapter dbAdapter = new DBAdapter(context);

				if(_playlist.getID() != -1) { //already synched with server
					//Getting all songs related to playlist
					ArrayList<PlaylistArSong> pendingSongs = dbAdapter.getPlaylistSongs(user, _playlist.getID());

					for(PlaylistArSong song : pendingSongs) {

						if(song.getIsSynch() == -1) { // not synched with server
							ArrayList<NameValuePair> nvps = new ArrayList<NameValuePair>();
							nvps.add(new BasicNameValuePair("user_id", user.getID()+""));
							nvps.add(new BasicNameValuePair("playlist_id", _playlist.getID()+""));
							nvps.add(new BasicNameValuePair("song_id", song.getID()+""));
							httppost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));

							HttpResponse response = httpclient.execute(httppost);
							String data = EntityUtils.toString(response.getEntity(),"UTF-8");
							Object jsonObj = new JSONTokener(data).nextValue();
							JSONObject json = new JSONObject(data);
							
							message  = json.getString("message");
							if(message.contains("Track successfully added")) {
								song.setIsSynch(1);
								song.setUserId(user.getID());
								dbAdapter.updatePlaylistSong(song);	
								successfullyAdded++;
							}else {
								alreadyExists++;
							}
						}
					}
				}
			}	

		} catch (Exception e) {
			e.printStackTrace();
		}
		StringBuilder resultMessage = new StringBuilder();
		if(successfullyAdded > 0) {
			resultMessage.append(successfullyAdded+" Tracks added successfully");
		}
		if(alreadyExists > 0) {
			resultMessage.append(", "+alreadyExists+" Tracks already exists in playlist");
		}
		return resultMessage.toString();
	}

	@Override
	protected void onPostExecute(String result) {
		super.onPostExecute(result);
	}

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

	public void onSuccess(User result) {

	}

}