/// <summary>
/// Formats the braille text input based on the braille job parameters
/// </summary>
/// <param name="source">the input text</param>
/// <param name="job">the BrailleJob class</param>
/// <returns>the formatted text</returns>
public static string FormatBraille(string source, BrailleJob job)
{
int cols = job.CharactersPerLine;
int rows = job.LinesPerPage;
//bool isPef = OutputFormat.Pef.Equals(job.OutputFormat);
//bool isUni = OutputFormat.Unicode.Equals(job.OutputFormat);
string result = source;
try
{
Encoding enc = RoboBrailleProcessor.GetEncodingByCountryCode(job.BrailleLanguage);
switch (job.OutputFormat)
{
case OutputFormat.Pef:
{
result = RoboBrailleProcessor.ConvertBrailleToUnicode(enc.GetBytes(result));
if (cols > 10 && rows > 2 && !String.IsNullOrWhiteSpace(result))
{
result = RoboBrailleProcessor.CreatePagination(result, cols);
if (PageNumbering.none.Equals(job.PageNumbering))
{
result = RoboBrailleProcessor.CreatePefFromUnicode(result, cols, rows, 0, true);
}
else
{
result = RoboBrailleProcessor.CreatePefFromUnicodeWithPageNumber(result, cols, rows, 0, true, PageNumbering.right.Equals(job.PageNumbering));
}
}
break;
}
case OutputFormat.Unicode:
{
result = RoboBrailleProcessor.ConvertBrailleToUnicode(enc.GetBytes(result));
if (cols > 10 && rows > 2 && !String.IsNullOrWhiteSpace(result))
{
result = RoboBrailleProcessor.CreatePagination(result, cols);
result = RoboBrailleProcessor.CreateNewLine(result, rows);
}
break;
}
case OutputFormat.NACB:
{
result = RoboBrailleProcessor.ConvertBrailleToUnicode(enc.GetBytes(result));
result = enc.GetString(RoboBrailleProcessor.ConvertUnicodeToNACB(result)).ToLowerInvariant();
if (cols > 10 && rows > 2 && !String.IsNullOrWhiteSpace(result))
{
result = RoboBrailleProcessor.CreatePagination(result, cols);
result = RoboBrailleProcessor.CreateNewLine(result, rows);
}
break;
}
default:
{
if (cols > 10 && rows > 2 && !String.IsNullOrWhiteSpace(result))
{
result = RoboBrailleProcessor.CreatePagination(result, cols);
result = RoboBrailleProcessor.CreateNewLine(result, rows);
}
break;
}
}
return(result);
}
catch (Exception e)
{
Trace.WriteLine(e.Message);
return(source);
}
}
public Task <Guid> SubmitWorkItem(BrailleJob job)
{
if (job == null)
{
return(null);
}
try
{
_context.Jobs.Add(job);
_context.SaveChanges();
}
catch (DbEntityValidationException ex)
{
string errorMessages = string.Join("; ", ex.EntityValidationErrors.SelectMany(x => x.ValidationErrors).Select(x => x.ErrorMessage));
throw new DbEntityValidationException(errorMessages);
}
var task = Task.Factory.StartNew(t =>
{
try
{
string strBraille = null;
if (!string.IsNullOrWhiteSpace(job.TranslationTable))
{
strBraille = this.LouisBrailleConvert(job);
}
else
{
switch (job.BrailleLanguage)
{
case Language.daDK:
//case Language.enUS:
case Language.enGB:
case Language.nnNO:
case Language.isIS:
case Language.svSE:
//strBraille = this.SensusBrailleConvert(job);
//break;
default:
strBraille = this.LouisBrailleConvert(job);
break;
}
}
if (strBraille != null)
{
strBraille = RoboBrailleProcessor.FormatBraille(strBraille, job);
Encoding enc = RoboBrailleProcessor.GetEncodingByCountryCode(job.BrailleLanguage);
switch (job.OutputFormat)
{
case OutputFormat.Pef:
{
job.ResultContent = Encoding.UTF8.GetBytes(strBraille);
break;
}
case OutputFormat.Unicode:
{
job.ResultContent = Encoding.Unicode.GetBytes(strBraille);
break;
}
case OutputFormat.NACB:
{
job.ResultContent = enc.GetBytes(strBraille);
break;
}
default:
{
job.ResultContent = enc.GetBytes(strBraille);
break;
}
}
}
else
{
RoboBrailleProcessor.SetJobFaulted(job, _context);
throw new Exception("Braille conversion result is null!");
}
string fileExtension = ".txt";
string mime = "text/plain";
string fileName = job.FileName;
var outputFormat = (OutputFormat)job.OutputFormat;
switch (outputFormat)
{
case OutputFormat.Pef:
mime = "application/x-pef";
fileExtension = ".pef";
break;
default:
fileExtension = ".txt";
mime = "text/plain";
break;
}
job.DownloadCounter = 0;
job.ResultFileExtension = fileExtension;
job.ResultMimeType = mime;
job.Status = JobStatus.Done;
job.FinishTime = DateTime.Now;
_context.Entry(job).State = EntityState.Modified;
_context.SaveChanges();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
RoboBrailleProcessor.SetJobFaulted(job, _context);
throw ex;
}
}, job);
return(Task.FromResult(job.Id));
}
