GetUserSongsFromPlaylistsListTask.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 android.app.Activity;
import android.app.ProgressDialog;
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.PlaylistArtist;
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 GetUserSongsFromPlaylistsListTask extends AsyncTask<Void, Void, Playlist> {
	private Activity activity;
	String playlistId;
	User user;
	Playlist _playlist;
	private ProgressDialog dialog;
	
	public GetUserSongsFromPlaylistsListTask(Activity activity, User user, Playlist selectedPlaylist) {
		Log.i("check","In GetUsersSongsFromPlaylistsTask");
		this.user = user;
		this.activity = activity;
		_playlist = selectedPlaylist;
		this.dialog = new ProgressDialog(activity);
		this.dialog.setMessage("Loading...");
		this.dialog.setCancelable(false);
	}

	@Override
	protected Playlist 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+ "getUserPlaylistTracks.php");
				ArrayList<NameValuePair> nvps = new ArrayList<NameValuePair>();
				nvps.add(new BasicNameValuePair("playlist_id", _playlist.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();
					JSONObject jsonObj = new JSONObject(data);
					if (jsonObj.has("message")){
						return null;
					}
					else 
					{
						ArrayList<PlaylistArtist> artists = Statics.getPlaylistArtistFromJSON(new JSONObject(data)
						, user.getID(), _playlist.getID());
						
						_playlist.setArtists(artists);
					}
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return _playlist;
	}

	@Override
	protected void onPostExecute(Playlist result) {
		if (dialog != null && dialog.isShowing()) {
			dialog.dismiss();
		}
		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 Playlist playlistR;

		public AsynAddToDB(Playlist playList) {
			playlistR = playList;
		}

		@Override
		protected Void doInBackground(Void... params) {
			if (playlistR != null) {
				DBAdapter adapter = new DBAdapter(activity);
				adapter.addUserPlaylist(playlistR, user);
				
				adapter.removeAllArtistAndSongOfPlaylist(playlistR);
				ArrayList<PlaylistArSong> songs = new ArrayList<PlaylistArSong>();
				if(playlistR.getArtists() != null) {
					for (PlaylistArtist artist : playlistR.getArtists()) {
						adapter.addPlaylistArtist(artist, user);
						songs.addAll(artist.getSongs());
					}
					adapter.AddPLArtSongArrs(songs);
					playlistR.setNumberOfTracks(songs.size());
				}
			}
			return null;
		}

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

	}
}