private ActionResult FileUpload(Post post, AddUpdateBlogViewModel formData)
{
//Handling file upload and check if file extension is from list of constants - allowed
string fileExtension;
if (formData.Media != null)
{
fileExtension = Path.GetExtension(formData.Media.FileName).ToLower();
if (!ConstantsBlog.AllowedFileExtensions.Contains(fileExtension))
{
ModelState.AddModelError("", "File extension is not allowed.");
return(View());
}
//Create directory if it doesn't exists
if (!Directory.Exists(ConstantsBlog.MappedUploadFolder))
{
Directory.CreateDirectory(ConstantsBlog.MappedUploadFolder);
}
//Get file name with special method and calculate full path with upload folder which is in constants
var fileName = Guid.NewGuid().ToString() + fileExtension;
//var fileName = formData.Media.FileName;
var fullPathWithName = ConstantsBlog.MappedUploadFolder + fileName;
//Actual save on hard disk
formData.Media.SaveAs(fullPathWithName);
//Set property with relative path for image
post.MediaUrl = ConstantsBlog.UploadFolder + fileName;
}
DbContext.SaveChanges();
return(RedirectToAction(nameof(BlogController.Index)));
}
private ActionResult AddPostToDatabase(int?id, AddUpdateBlogViewModel formData)
{
//any error with any property
if (!ModelState.IsValid)
{
return(View());
}
Post post;
var userId = User.Identity.GetUserId();
if (!id.HasValue)
{
post = new Post();
post.UserId = userId;
DbContext.Posts.Add(post);
post.Title = formData.Title;
post.Slug = post.SlugCalculation(post);
}
else
{
post = DbContext.Posts.FirstOrDefault(p => p.Id == id);
if (post == null)
{
return(RedirectToAction(nameof(BlogController.Index)));
}
post.UserId = userId;
post.Title = formData.Title;
post.DateUpdated = DateTime.Now;
}
post.SubTitle = formData.SubTitle;
post.Body = formData.Body;
post.Published = formData.Published;
return(FileUpload(post, formData));
}
public ActionResult Update(int?id)
{
ViewBag.Message = "Update Post";
if (id.HasValue)
{
var post = DbContext.Posts.FirstOrDefault(p => p.Id == id.Value);
if (post != null)
{
var model = new AddUpdateBlogViewModel();
model.Title = post.Title;
model.SubTitle = post.SubTitle;
model.Body = post.Body;
model.Published = post.Published;
model.MediaUrl = post.MediaUrl;
return(View(model));
}
}
return(RedirectToAction(nameof(BlogController.Index)));
}
public ActionResult Create(AddUpdateBlogViewModel formData)
{
return(AddPostToDatabase(null, formData));
}
public ActionResult Update(int?id, AddUpdateBlogViewModel formData)
{
return(AddPostToDatabase(id, formData));
}
