private static void StartYenAlgorithm()
{
Console.WriteLine("csv format: < string;node1;node2;weight >");
string file = "";
while (string.IsNullOrWhiteSpace(file) || !File.Exists(file))
{
Console.WriteLine("CSV Input filepath:");
file = Console.ReadLine().Trim('"').Trim();
}
FileInfo fi = new FileInfo(file);
Console.WriteLine($"Found file {fi.Name}.");
double min; double max;
string ml1 = "";
while (!double.TryParse(ml1, out min))
{
Console.WriteLine("Minimum line length:");
ml1 = Console.ReadLine();
}
string mxl = "";
while (!double.TryParse(mxl, out max))
{
Console.WriteLine("Maximum line length: ");
mxl = Console.ReadLine();
}
if (min > max)
{
Console.WriteLine("Minimum > Maximum. Quitting..");
}
else
{
Console.WriteLine("Hit key to start line generation.");
Console.ReadKey();
CsvFileReader r = new CsvFileReader();
LineGeneration lg = new LineGeneration();
try
{
Graph graph = r.ReadGraphFromFile(file);
var paths = lg.GenerateLines(min, max, graph);
foreach (var p in paths)
{
Console.WriteLine(PathPrinter.PrintTaggedPath(p));
}
LineOutputWriter.WriteCsv(Path.Combine(fi.DirectoryName, fi.Name.Replace(fi.Extension, "_solution" + fi.Extension)), paths);
Console.WriteLine("wrote solution to folder " + fi.DirectoryName);
}
catch (Exception ex)
{
Console.WriteLine($"Execution Error: {ex.Message}");
}
Console.WriteLine("Hit key to exit.");
Console.ReadKey();
}
}
public IActionResult LineGen(YenInputViewmodel model)
{
if (ModelState.IsValid)
{
try
{
GraphConvert r = new GraphConvert();
LineGeneration lg = new LineGeneration();
var graph = r.ReadGraphFromString(model.CsvString, model.MirrorArcs);
var paths = lg.GenerateLines(model.MinimumLength, model.MaximumLength, graph);
string result = r.WriteText(paths);
YenInputViewmodel vmResult = new YenInputViewmodel()
{
MinimumLength = model.MinimumLength,
MaximumLength = model.MaximumLength,
CsvString = result
};
var stream = new MemoryStream();
StreamWriter w = new StreamWriter(stream);
w.Write(vmResult.CsvString);
w.Flush();
stream.Position = 0;
return(File(stream, "text/comma-separated-values", "Lineplanning.csv"));
}
catch (Exception ex)
{
ViewBag.ExceptionMessage = ex.Message;
return(View("Failed"));
}
}
else
{
return(View(model));
}
}