public Node_Common(Type type, string name, string url)
{
m_type = type;
m_name = name;
m_url = url;
m_parent = null;
m_isDownloading = false;
m_isParsing = false;
m_isParsed = false;
m_lockObj = new object();
DestinationPathTracker.Instance.PropertyChanged += new PropertyChangedEventHandler(DestinationPathTracker_PropertyChanged);
this.PropertyChanged += new PropertyChangedEventHandler(Self_PropertyChanged);
}
private bool ParsePageInternal(DownloaderInfo asyncInfo)
{
if (IsParsed)
{
return(true);
}
if (asyncInfo.Worker.CancellationPending)
{
asyncInfo.WorkArgs.Cancel = true;
return(false);
}
if (asyncInfo.ProgressCallback != null)
{
asyncInfo.ProgressCallback("Starting page download for folder '" + Name + "'.", 0, null);
}
StringBuilder sb = null;
HttpWebResponse response = null;
try
{
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
string finalURL = "https://api.gigahost123.com/api/listS3?bucket=mp3.gigahost123.com&path=" + HttpUtility.UrlEncode(this.URL);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(finalURL);
response = (HttpWebResponse)request.GetResponse();
Stream responseStream = response.GetResponseStream();
sb = new StringBuilder();
Int32 bufSize = 1024 * 100;
Int32 bytesRead = 0;
byte[] buf = new byte[bufSize];
if (asyncInfo.Worker.CancellationPending)
{
response.Close();
asyncInfo.WorkArgs.Cancel = true;
return(false);
}
if (asyncInfo.ProgressCallback != null)
{
asyncInfo.ProgressCallback("Reading page for folder '" + Name + "'.", 20, null);
}
long total = 0;
if (responseStream.CanSeek)
{
total = responseStream.Length;
}
else
{
total = 500 * 1024; //assuming 500 KB
}
while ((bytesRead = responseStream.Read(buf, 0, bufSize)) != 0)
{
sb.Append(Encoding.UTF8.GetString(buf, 0, bytesRead));
if (asyncInfo.Worker.CancellationPending)
{
response.Close();
asyncInfo.WorkArgs.Cancel = true;
return(false);
}
if (asyncInfo.ProgressCallback != null)
{
asyncInfo.ProgressCallback("Reading page for folder '" + Name + "'.", 20 + (((double)sb.Length / (double)total) * 30), null);
}
}
response.Close();
}
catch (Exception exp)
{
if (response != null)
{
response.Close();
}
throw new Exception("Page downloading failed.\n " + exp.Message);
}
response = null;
string json_data = sb.ToString();
if (asyncInfo.Worker.CancellationPending)
{
asyncInfo.WorkArgs.Cancel = true;
return(false);
}
if (asyncInfo.ProgressCallback != null)
{
asyncInfo.ProgressCallback("Parsing page for folder '" + Name + "'.", 50, null);
}
try
{
Online_Page page = JsonConvert.DeserializeObject <Online_Page>(json_data);
if (page.folders.Length > 0)
{
if (asyncInfo.Worker.CancellationPending)
{
asyncInfo.WorkArgs.Cancel = true;
return(false);
}
if (asyncInfo.ProgressCallback != null)
{
asyncInfo.ProgressCallback("Parsing page for folder '" + Name + "'.", 60, null);
}
double count = 0;
foreach (Online_Folder folder_entry in page.folders)
{
string folder_url = "/" + folder_entry.Prefix;
string[] parts = folder_url.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
string folder_name = parts[parts.Length - 1];
if (string.IsNullOrEmpty(folder_url) || string.IsNullOrEmpty(folder_name))
{
throw new Exception("Missing name/url for a folder.");
}
Node_Directory subfolder = new Node_Directory(folder_name, folder_url);
subfolder.Parent = this;
AddChild(subfolder);
count++;
if (asyncInfo.ProgressCallback != null)
{
asyncInfo.ProgressCallback("Parsing page for folder '" + Name + "'.", 60 + (((double)count / (double)page.folders.Length) * 20), subfolder);
}
if (asyncInfo.Worker.CancellationPending)
{
asyncInfo.WorkArgs.Cancel = true;
return(false);
}
}
}
if (page.files.Length > 0)
{
if (asyncInfo.Worker.CancellationPending)
{
asyncInfo.WorkArgs.Cancel = true;
return(false);
}
if (asyncInfo.ProgressCallback != null)
{
asyncInfo.ProgressCallback("Parsing page for folder '" + Name + "'.", 80, null);
}
double count = 0;
foreach (Online_File file_entry in page.files)
{
string song_url = "/" + file_entry.Key;
string[] parts = song_url.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
string song_name = parts[parts.Length - 1];
if (string.IsNullOrEmpty(song_url) || string.IsNullOrEmpty(song_name))
{
throw new Exception("Missing name/url for a song.");
}
Node_Song song = new Node_Song(song_name, song_url);
song.Parent = this;
AddChild(song);
count++;
if (asyncInfo.ProgressCallback != null)
{
asyncInfo.ProgressCallback("Parsing page for folder '" + Name + "'.", 80 + (((double)count / (double)page.files.Length) * 20), song);
}
if (asyncInfo.Worker.CancellationPending)
{
asyncInfo.WorkArgs.Cancel = true;
return(false);
}
}
}
}
catch (Exception exp)
{
throw exp;
}
if (asyncInfo.ProgressCallback != null)
{
asyncInfo.ProgressCallback("Done processing page for folder '" + Name + "'.", 100, null);
}
return(true);
}
private void Category_Changed(object sender, SelectionChangedEventArgs e)
{
ComboBoxItem selected = e.AddedItems[0] as ComboBoxItem;
string name = selected.Content.ToString();
Node_Directory root = null;
switch (name)
{
case "Movies":
if (m_Movies == null)
{
m_Movies = new Node_Directory(name, "/songs/Audio/indian/movies/");
m_Movies.Init();
}
root = m_Movies;
break;
case "Pop":
if (m_Pop == null)
{
m_Pop = new Node_Directory(name, "/songs/Audio/indian/POP/");
m_Pop.Init();
}
root = m_Pop;
break;
case "Artist (Hindi)":
if (m_Artist_Hindi == null)
{
m_Artist_Hindi = new Node_Directory(name, "/songs/Audio/indian/artists/Hindi/");
m_Artist_Hindi.Init();
}
root = m_Artist_Hindi;
break;
case "Artist (Punjabi)":
if (m_Artist_Punjabi == null)
{
m_Artist_Punjabi = new Node_Directory(name, "/songs/Audio/indian/artists/Punjabi/");
m_Artist_Punjabi.Init();
}
root = m_Artist_Punjabi;
break;
case "Bhangra":
if (m_Bhangra == null)
{
m_Bhangra = new Node_Directory(name, "/songs/Audio/indian/bhangra/");
m_Bhangra.Init();
}
root = m_Bhangra;
break;
case "Oldies":
if (m_Oldies == null)
{
m_Oldies = new Node_Directory(name, "/songs/Audio/indian/oldies/");
m_Oldies.Init();
}
root = m_Oldies;
break;
case "Instrumental":
if (m_Instrumental == null)
{
m_Instrumental = new Node_Directory(name, "http://apunkabollywood.net/songs/Audio/indian/Instrumentals/");
m_Instrumental.Init();
}
root = m_Instrumental;
break;
default:
ErrorLog.Show("Invalid category.");
return;
}
m_rootNode = root;
c_tree.Items.Clear();
c_filter.Text = "";
c_tree.Items.Add(m_rootNode);
}
