public int Run(string[] args)
{
var commandLineApp = new CommandLineApplication(throwOnUnexpectedArg: false);
commandLineApp.HelpOption("-?|--help");
var supervisorsOpt = commandLineApp.Option("-su|--supervisors <SUPERVISORS_FILE>", $"Override the location of the supervisors file. Default = {DefaultSupervisorsFileLocation}", CommandOptionType.SingleValue);
var projectsOpt = commandLineApp.Option("-pr|--projects <PROJECTS_FILE>", $"Override the location of the projects file. Default = {DefaultProjectsFileLocation}", CommandOptionType.SingleValue);
var studentsOpt = commandLineApp.Option("-st|--students <STUDENTS_FILE>", $"Override the location of the students file. Default = {DefaultStudentsFileLocation}", CommandOptionType.SingleValue);
var outputOpt = commandLineApp.Option("-out|--output <OUTPUT_FILE>", $"Override the location of the output file. Default = {DefaultOutputFileLocation}", CommandOptionType.SingleValue);
commandLineApp.OnExecute(() =>
{
var supervisorsLocation = supervisorsOpt.HasValue() ? supervisorsOpt.Value() : DefaultSupervisorsFileLocation;
var projectsLocation = projectsOpt.HasValue() ? projectsOpt.Value() : DefaultProjectsFileLocation;
var studentsLocation = studentsOpt.HasValue() ? studentsOpt.Value() : DefaultStudentsFileLocation;
var outputLocation = outputOpt.HasValue() ? outputOpt.Value() : DefaultOutputFileLocation;
var state = _csvHelper.BuildState(supervisorsLocation, projectsLocation, studentsLocation);
var projectAllocations = _processor.AllocateProjects(state);
_csvHelper.WriteOutput(outputLocation, projectAllocations);
return(0);
});
try
{
try
{
return(commandLineApp.Execute(args));
}
catch (AggregateException ex)
{
if (ex.Flatten().InnerExceptions[0] is CommandParsingException parsingException)
{
throw parsingException;
}
throw;
}
}
catch (CommandParsingException ex)
{
_logger.LogWarning(ex.Message);
commandLineApp.ShowHelp(ex.Command.Name);
throw;
}
}