public async Task <IActionResult> Create(Page page) // Model binding
{
if (ModelState.IsValid)
{
page.Slug = page.Title.ToLower().Replace(' ', '-');
page.Sorting = 100;
var slug = await _context.Pages.FirstOrDefaultAsync(p => p.Slug == page.Slug);
if (slug != null)
{
ModelState.AddModelError("", "The title already exists");
return(View(page)); // re-fill the correct information
}
_context.Add(page);
await _context.SaveChangesAsync();
TempData["Success"] = "The page has been added!";
return(RedirectToAction("Index"));
}
return(View(page)); // re-fill the correct information
}
public async Task <IActionResult> Create(Category category)
{
if (ModelState.IsValid)
{
category.Slug = category.Name.ToLower().Replace(" ", "-");
category.Sorting = 100;
var slug = await _context.Categories.FirstOrDefaultAsync(c => c.Slug == category.Slug);
if (slug != null)
{
//immediately give an error feedback to front end
ModelState.AddModelError("", "The category already exists");
return(View(category)); // re-fill the correct information
}
_context.Add(category);
await _context.SaveChangesAsync();
TempData["Success"] = "The category has been added!";
return(RedirectToAction("Index"));
}
return(View(category));
}
public async Task <IActionResult> Create(Product product)
{
ViewBag.CategoryId = new SelectList(_context.Categories.OrderBy(c => c.Sorting), "Id", "Name");
if (ModelState.IsValid)
{
product.Slug = product.Name.ToLower().Replace(" ", "-");
var prod = await _context.Products.FirstOrDefaultAsync(p => p.Slug == product.Slug);
if (prod != null)
{
ModelState.AddModelError("", "The product already exists");
return(View(product));
}
// Find it from internet or somewhere else and create dir wwwroot/media/products
// Then copy/paste it to the dir. It's a default in case no image is uploaded.
string imageName = "noimage.png";
if (product.ImageUpload != null)
{
string uploadsDir = Path.Combine(_webHostEnvironment.WebRootPath, "media/products");
imageName = Guid.NewGuid().ToString() + "_" + product.ImageUpload.FileName;
string filePath = Path.Combine(uploadsDir, imageName);
using (FileStream fs = new FileStream(filePath, FileMode.Create))
{
await product.ImageUpload.CopyToAsync(fs);
}
}
product.Image = imageName;
_context.Add(product);
await _context.SaveChangesAsync();
TempData["Success"] = "The product has been added.";
return(RedirectToAction("Index"));
}
return(View(product));
}