public async Task <ActionResult> DeletePost(int postId)
{
PostsDbEntities context = new PostsDbEntities();
CommentsEntities commentsContext = new CommentsEntities();
PostsDb post = new PostsDb();
post = await context.PostsDb.FindAsync(postId);
if (post != null)
{
context.PostsDb.Remove(post);
await context.SaveChangesAsync();
if (System.IO.File.Exists(post.Image))
{
System.IO.File.Delete(post.Image);
}
// Удалить все комментарии связанные с постом
var postsComments = commentsContext.Comments.Where(x => x.PostId == postId);
commentsContext.Comments.RemoveRange(postsComments);
await context.SaveChangesAsync();
return(RedirectToAction("Index"));
}
else
{
return(View("Error", new string[] { "Запись не найдена" }));
}
}
public static MvcHtmlString PostLink(this HtmlHelper helper, PostsDb post, string text)
{
return(helper.ActionLink(text, "Post", "Blog",
new
{
title = post.Title.Replace(' ', '_')
},
new
{
title = post.Title
}));
}
public ActionResult CreatePost(PostsDb post, HttpPostedFileBase image)
{
if (ModelState.IsValid)
{
PostsDbEntities context = new PostsDbEntities();
post.Time = this.HttpContext.Timestamp;
post.Author = CurrentUser.UserName;
BlogPostsManager bpManager = new BlogPostsManager();
post.Content = bpManager.AddLineBreaks(post.Content);
if (image != null)
{
string imageName = post.Author;
imageName += Guid.NewGuid();
string filePath = AppDomain.CurrentDomain.BaseDirectory;
filePath += "Content\\PostImages\\" + imageName;
image.SaveAs(filePath);
post.Image = filePath;
post.ImageMimeType = image.ContentType;
}
context.PostsDb.Add(post);
try
{
context.SaveChanges();
}
catch (DbEntityValidationException e)
{
#if false
foreach (var eve in e.EntityValidationErrors)
{
Console.WriteLine("Entity of type \"{0}\" in state \"{1}\" has the following validation errors:",
eve.Entry.Entity.GetType().Name, eve.Entry.State);
foreach (var ve in eve.ValidationErrors)
{
Console.WriteLine("- Property: \"{0}\", Error: \"{1}\"",
ve.PropertyName, ve.ErrorMessage);
}
}
#endif
}
return(Redirect("/Blog/Index"));
}
return(View("Error", new string[] { "TODO: Доделать. Ошибка связанная с созданием поста" }));
}
public FilePathResult GetImage(int id)
{
PostsDbEntities context = new PostsDbEntities();
PostsDb post = new PostsDb();
post = context.PostsDb.FirstOrDefault(x => x.Id == id);
if (post != null &&
post.Image != null)
{
return(File(post.Image, post.ImageMimeType));
}
else
{
return(null);
}
}
public static string Href(this PostsDb post, UrlHelper helper)
{
return(helper.RouteUrl(new { controller = "Blog", action = "Post", title = post.Title }));
}
