public async Task <IActionResult> Edit(Page page)
{
//check if model is valid
if (ModelState.IsValid)
{
//check if edited page is home, return slug='home' else set the new slug according
page.Slug = page.Id == 1 ? "home": page.Slug = page.Title.ToLower().Replace(" ", "-");
//search the slug except the current and see if return something
var slug = await context.Pages.Where(x => x.Id != page.Id).FirstOrDefaultAsync(x => x.Slug == page.Slug);
if (slug != null)
{
ModelState.AddModelError("", "The page allready exists");
return(View(page));
}
//add the page to db
context.Update(page);
await context.SaveChangesAsync();
TempData["Success"] = "The page has been edited!";
return(RedirectToAction("Edit", new { id = page.Id }));
}
return(View(page));
}
public async Task <IActionResult> Edit(int id, Category category)
{
//check if model is valid
if (ModelState.IsValid)
{
category.Slug = category.Name.ToLower().Replace(" ", "-");
//search the category except the current and see if return something
var slug = await context.Categories.Where(x => x.Id != category.Id).FirstOrDefaultAsync(x => x.Slug == category.Slug);
if (slug != null)
{
ModelState.AddModelError("", "The category allready exists");
return(View(category));
}
//add the page to db
context.Update(category);
await context.SaveChangesAsync();
TempData["Success"] = "The category has been edited!";
return(RedirectToAction("Edit", new { id }));
}
return(View(category));
}
public async Task <IActionResult> Edit(int id, Product product)
{
ViewBag.CategoryId = new SelectList(context.Categories.OrderBy(x => x.Sorting), "Id", "Name", product.CategoryId);
//check if model is valid
if (ModelState.IsValid)
{
//set the page prop
product.Slug = product.Name.ToLower().Replace(" ", "-");
//get the slug which is equal to current
var slug = await context.Products.Where(x => x.Id != id).FirstOrDefaultAsync(x => x.Slug == product.Slug);
if (slug != null)
{
ModelState.AddModelError("", "The product allready exists");
return(View(product));
}
//edit the image file
if (product.ImageUpload != null)
{
//set the directory using webHostEnvironment
string uploadsDir = Path.Combine(webHostEnvironment.WebRootPath, "media/products");
//remove the old image if exists one
if (!string.Equals(product.Image, "noimage.png"))
{
string oldImagePath = Path.Combine(uploadsDir, product.Image);
if (System.IO.File.Exists(oldImagePath))
{
System.IO.File.Delete(oldImagePath);
}
}
//set the name of the image to be unique
string imageName = Guid.NewGuid().ToString() + "_" + product.ImageUpload.FileName;
//set the full image path
string filePath = Path.Combine(uploadsDir, imageName);
//upload using FileStream class
FileStream fs = new FileStream(filePath, FileMode.Create);
await product.ImageUpload.CopyToAsync(fs);
fs.Close();
//set the property name
product.Image = imageName;
}
//add the page to db
context.Update(product);
await context.SaveChangesAsync();
TempData["Success"] = "The product has been edited!";
return(RedirectToAction("Index"));
}
return(View(product));
}