/// <summary>
/// Returns previewing of a single post.
/// </summary>
/// <param name="year"></param>
/// <param name="month"></param>
/// <param name="day"></param>
/// <param name="slug"></param>
/// <returns></returns>
public async Task <IActionResult> Preview(int year, int month, int day, string slug)
{
try
{
// Get back blog post from TempData
DateTime dt = new DateTime(year, month, day);
var link = BlogRoutes.GetPostPreviewRelativeLink(dt, slug);
var blogPost = TempData.Get <BlogPost>(link);
// Prep it
blogPost.Body = _shortcodeSvc.Parse(blogPost.Body);
blogPost.Body = OembedParser.Parse(blogPost.Body);
var blogSettings = await _settingSvc.GetSettingsAsync <BlogSettings>();
blogSettings.DisqusShortname = ""; // when preview turn off disqus
var vm = new BlogPostViewModel(blogPost, blogSettings, Request);
// Show it
return(View("Post", vm));
}
catch (Exception)
{
// when user access the preview link directly or when user clicks on other links
// and navigates away during the preview, hacky need to find a better way.
return(RedirectToAction("ErrorCode", "Home", new { statusCode = 404 }));
}
}
/// <summary>
/// Preview
/// </summary>
/// <param name="post"></param>
/// <returns></returns>
public async Task <JsonResult> OnPostPreviewAsync([FromBody] PostVM post)
{
// prep blog post
List <Tag> tags = new List <Tag>();
foreach (var title in post.Tags) // titles
{
tags.Add(await _tagSvc.GetByTitleAsync(title));
}
var blogPost = new BlogPost
{
User = await _userManager.GetUserAsync(HttpContext.User),
UserId = Convert.ToInt32(_userManager.GetUserId(HttpContext.User)),
Category = await _catSvc.GetAsync(post.CategoryId),
CreatedOn = GetCreatedOn(post.PostDate),
Tags = tags,
Slug = post.Slug.IsNullOrEmpty() ? "untitled" : post.Slug,
Excerpt = post.Excerpt,
Title = post.Title.IsNullOrEmpty() ? "Untitled" : post.Title,
Body = post.Body,
};
// prep TempData
var prevRelLink = BlogRoutes.GetPostPreviewRelativeLink(blogPost.CreatedOn, blogPost.Slug);
TempData.Put(prevRelLink, blogPost);
// return preview url
return(new JsonResult($"{Request.Scheme}://{Request.Host}{prevRelLink}"));
}
public void GetPostPreviewRelativeLink_returns_relative_link_starts_with_slash()
{
var createdOn = new DateTimeOffset(2018, 9, 9, 0, 0, 0, TimeSpan.Zero);
var slug = "my-post";
var relativeLink = BlogRoutes.GetPostPreviewRelativeLink(createdOn, slug);
Assert.StartsWith("/", relativeLink);
Assert.Equal("/preview/post/2018/09/09/my-post", relativeLink);
}
public async Task <IActionResult> PreviewPost(int year, int month, int day, string slug)
{
try
{
// Get back blog post from TempData
DateTime dt = new DateTime(year, month, day);
var link = BlogRoutes.GetPostPreviewRelativeLink(dt, slug);
var blogPost = TempData.Get <BlogPost>(link);
// Prep vm
var blogPostVM = await blogViewModelHelper.GetBlogPostVMPreviewAsync(blogPost);
// Show it
return(View("Post", blogPostVM));
}
catch (Exception)
{
// when user access the preview link directly or when user clicks on other links
// and navigates away during the preview, hacky need to find a better way.
return(RedirectToAction("ErrorCode", "Home", new { statusCode = 404 }));
}
}
