private string ValidateInputs(SnipModel sm, decimal startSecondsTotal, decimal endSecondsTotal)
{
try
{
// no filename error
if (sm.Url.Replace("http://", "") == "" && sm.File.FileName.Length < 4)
{
return("url or filename is required!");
}
// bad time range error
if (endSecondsTotal < startSecondsTotal || endSecondsTotal == startSecondsTotal)
{
return("bad time range!");
}
return("");
}
catch
{
throw;
}
}
private PhysicalFileResult ProcessStream(SnipModel sm)
{
try
{
// get all the values in seconds
var sH = sm.StartHours * 60 * 60;
var sM = sm.StartMinutes * 60;
var sS = sm.StartSeconds;
var eH = sm.EndHours * 60 * 60;
var eM = sm.EndMinutes * 60;
var eS = sm.EndSeconds;
var startSecondsTotal = sH + sM + sS;
var endSecondsTotal = eH + eM + eS;
var validationResult = ValidateInputs(sm, startSecondsTotal, endSecondsTotal);
if (validationResult != "")
{
ModelState.Remove("StatusMessage");
sm.StatusMessage = validationResult;
return(null);
}
// get the name of the mp3 out of the URL
// 1. split on "?"
// 2. split that result on "/"
// 3. take last element of that as the mp3 name
string[] split1 = sm.Url.Trim().Split('?');
string[] split2 = split1[0].Split('/');
string[] split3 = split2[split2.Length - 1].Split('.');
string mp3Name = split3[0];
var splitLength = endSecondsTotal - startSecondsTotal;
HttpWebRequest dynamicRequest = (HttpWebRequest)WebRequest.Create(sm.Url.Trim());
var path = Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory + "app_data\\uploads", mp3Name + ".mp3");
FileStream fs = new FileStream(path, FileMode.Create, FileAccess.Write);
// write original mp3 file to a location (var path) on disk
using (Stream stream = dynamicRequest.GetResponse().GetResponseStream())
{
byte[] buffer = new byte[32768];
int read;
while ((read = stream.Read(buffer, 0, buffer.Length)) > 0)
{
fs.Write(buffer, 0, read);
}
fs.Close();
}
// split this text into hours, minutes, seconds for the filename
string[] totalTimePieces = sm.SnipLength.ToString().Split(':');
var outputFilename = String.Format("{7}[{1}{2}m{3}s-{4}{5}m{6}s, {8}{9}m{10}s total] {0}",
mp3Name,
EvalHourTextForOutputFilename(sm.StartHours),
sm.StartMinutes.ToString(),
sm.StartSeconds.ToString(),
EvalHourTextForOutputFilename(sm.EndHours),
sm.EndMinutes.ToString(),
sm.EndSeconds.ToString(),
EvalOptionalTag(sm.Tag),
EvalHourTextForOutputFilename(Convert.ToInt32(totalTimePieces[0])),
totalTimePieces[1],
totalTimePieces[2]);
return(Process(path, outputFilename, startSecondsTotal, splitLength));
// TODO: <><><>< I SHOULD be able to delete the temp file, right??? ><><><>
}
catch
{
throw;
}
}