static void PrintStatus(Code data, EchonestResult result, string error)
{
if (result == EchonestResult.Success)
{
if (!String.IsNullOrEmpty(data.metadata.id))
Console.WriteLine("{0:HH:mm:ss} - {3} {1} {2} {4}", DateTime.Now, data.metadata.title, data.metadata.filename, data.metadata.id, data.code);
else
Console.WriteLine("{0:HH:mm:ss} - NOT FOUND {1} {2}", DateTime.Now, data.metadata.title, data.metadata.filename);
}
else if (result == EchonestResult.NotFound)
{
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("'{0}' not found.", data.metadata.filename);
Console.ForegroundColor = ConsoleColor.White;
}
else
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(String.IsNullOrEmpty(error) ? "Which way'd he go?" : error);
Console.ForegroundColor = ConsoleColor.White;
}
}
public EchonestResult IdentifySong(Code item, out String errorMessage)
{
EchonestResult result = EchonestResult.None;
errorMessage = String.Empty;
while (result == EchonestResult.None)
{
var api_key = ConfigurationManager.AppSettings["echonest_api_key"];
var url = String.Format("http://developer.echonest.com/api/v4/song/identify?api_key={0}", api_key);
var request = WebRequest.Create(url) as HttpWebRequest;
request.ContentType = "application/x-www-form-urlencoded";
request.Method = "POST";
JObject query = JObject.FromObject(new
{
code = item.code,
metadata = new
{
version = decimal.Parse(item.metadata.version)
}
});
StringBuilder body = new StringBuilder();
body.AppendFormat("version=3.15&query={0}", query);
var buffer = Encoding.UTF8.GetBytes(body.ToString());
try
{
var output = String.Empty;
using (var input = request.GetRequestStream())
{
input.Write(buffer, 0, buffer.Length);
var response = request.GetResponse() as HttpWebResponse;
try
{
using (var outstream = response.GetResponseStream())
using (StreamReader reader = new StreamReader(outstream))
output = reader.ReadToEnd();
}
finally
{
if (response != null)
response.Close();
}
}
var j = JObject.Parse(output);
if (j["response"]["status"]["code"].Value<int>() == 0
&& j["response"]["songs"].Count() == 1)
{
var song = j["response"]["songs"][0];
item.metadata.id = song["id"].Value<string>().Trim();
item.metadata.artist_id = song["artist_id"].Value<string>().Trim();
item.metadata.title = song["title"].Value<string>().Trim();
item.metadata.artist = song["artist_name"].Value<string>().Trim();
result = EchonestResult.Success;
}
else
result = EchonestResult.NotFound;
}
catch (WebException ex)
{
if (ex.Response != null && ex.Response.Headers["X-RateLimit-Remaining"] == "0")
{
// slow things down and retry
Thread.Sleep(10000);
}
else
{
result = EchonestResult.Error;
errorMessage = ex.Message;
}
}
catch (Exception ex)
{
result = EchonestResult.Error;
errorMessage = ex.Message;
}
}
return result;
}