public async Task <IActionResult> New(ReaderRequestModel model)
{
if (!ModelState.IsValid)
{
return(View(model));
}
var res = await AddReader(model);
if (res.IsSuccess)
{
return(RedirectToActionPermanent("Index"));
}
return(View(model));
}
private async Task <ReaderResponseModel> AddReader(ReaderRequestModel model)
{
var res = new ReaderResponseModel();
// magic happens here
// check if model is not empty
if (model != null)
{
// create new entity
var reader = new Reader();
// add non-file attributes
reader.Name = model.Name;
reader.EmailAddress = model.EmailAddress;
// check if any file is uploaded
var work = model.Work;
if (work != null)
{
// get the file extension and
// create a new File Name using Guid
var fileName = $"{Guid.NewGuid()}{Path.GetExtension(work.FileName)}";
// create full file path using
// the IHostEnvironment.ContentRootPath
// which is basically the execution directory
// and append a sub directory workFiles
// [Should be present before hand!!!]
// and lastly append the file name
var filePath = Path.Combine(_env.ContentRootPath, "Files", fileName);
// open-create the file in a stream and
// copy the uploaded file content into
// the new file (IFormFile contains a stream)
using (var fileSteam = new FileStream(filePath, FileMode.Create))
{
await work.CopyToAsync(fileSteam);
}
// assign the generated filePath to the
// workPath property in the entity
reader.WorkPath = $"{Request.Scheme}://{Request.Host}/Files/{fileName}";
}
// add the created entity to the datastore
// using a Repository class IReadersRepository
// which is registered as a Scoped Service
// in Startup.cs
var created = _repo.AddReader(reader);
// Set the Success flag and generated details
// to show in the View
res.IsSuccess = true;
res.ReaderId = created.Id.ToString();
res.WorkPath = created.WorkPath;
res.RedirectTo = Url.Action("Index");
}
// return the model back to view
// with added changes and flags
return(res);
}
public async Task <ReaderResponseModel> Add(ReaderRequestModel model)
{
return(await AddReader(model));
}
