public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
_context.Attach(Advertisement).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!AdvertisementExists(Advertisement.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync(Advertisement advertisement, IFormFile uploadImage,
[FromServices] IHostingEnvironment hostingEnvironment)
{
if (ModelState.IsValid)
{
// Save File
if (uploadImage != null && uploadImage.Length > 0)
{
var webRoot = hostingEnvironment.WebRootPath;
advertisement.ImageUrl = $"image-{DateTime.UtcNow.ToString("yyyyMMdd-HHmmss")}.jpg";
// It will save in the wwwroot/images library.
var filePath = Path.Combine(webRoot, "images", advertisement.ImageUrl);
using (var stream = new FileStream(filePath, FileMode.Create))
{
await uploadImage.CopyToAsync(stream);
}
}
// Read of the city based on the zip code.
var city = _context.Set <City>().Single(c => c.Zip == advertisement.City.Zip);
advertisement.City = city;
// Save the advertisement data into the DB.
_context.Add(advertisement);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(Page());
}
public async Task <IActionResult> OnPostAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
Advertisement = await _context.Advertisement.FindAsync(id);
if (Advertisement != null)
{
_context.Advertisement.Remove(Advertisement);
await _context.SaveChangesAsync();
}
return(RedirectToPage("./Index"));
}
