public async Task <ActionResult> Index(HomeViewModel viewModel)
{
if (ModelState.IsValid)
{
var courseIds = new List <string>();
using (var reader = new StreamReader(Request.Files["CoursesDataFile"].InputStream))
{
while (!reader.EndOfStream)
{
var line = await reader.ReadLineAsync();
Regex validator = new Regex(@"^[0-9]+$");
var id = line.Split(',')[0];
if (!validator.IsMatch(id))
{
ModelState.AddModelError(nameof(HomeViewModel.CoursesDataFile), "There was a problem while reading the input file. Please make sure that the file chosen contains a comma delimited list and has an extension of csv.");
return(View(viewModel));
}
courseIds.Add(id);
}
}
var client = new CoursesClient();
var accountClient = new AccountsClient();
try
{
var account = accountClient.Get <Account>(viewModel.CanvasAccountId);
foreach (var id in courseIds)
{
await client.MoveCourse(id, viewModel.CanvasAccountId);
}
}
catch (Exception ex)
{
ModelState.AddModelError(nameof(viewModel.CanvasAccountId), ex);
return(View(viewModel));
}
viewModel.Notify = true;
}
return(View(viewModel));
}