/// <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 }));
}
}
public async Task <BlogPostVM> GetBlogPostVMPreviewAsync(BlogPost blogPost)
{
blogPost.Body = OembedParser.Parse(blogPost.Body);
var blogPostVM = await GetBlogPostVMAsync(blogPost);
blogPostVM.DisqusShortname = ""; // when preview turn off disqus
return(blogPostVM);
}
/// <summary>
/// Pre render processing of a blog post.
/// </summary>
/// <param name="blogPost"></param>
/// <returns></returns>
private async Task <BlogPost> PreRenderAsync(BlogPost blogPost)
{
if (blogPost == null)
{
return(blogPost);
}
blogPost.Body = OembedParser.Parse(blogPost.Body);
blogPost.Body = await _imageService.ProcessResponsiveImageAsync(blogPost.Body);
return(blogPost);
}
/// <summary>
/// Gets a <see cref="BlogPost"/> for display to client from a <see cref="Post"/>.
/// </summary>
/// <param name="post"></param>
/// <param name="parseShortcode">True will parse shortcode into html, false otherwise.</param>
/// <returns></returns>
/// <remarks>
/// It readies <see cref="Post.CreatedOnDisplay"/>, Title, Excerpt, CategoryTitle, Tags and Body with shortcodes.
/// </remarks>
private async Task <BlogPost> GetBlogPostAsync(Post post, bool parseShortcode)
{
var blogPost = _mapper.Map <Post, BlogPost>(post);
var coreSettings = await _settingSvc.GetSettingsAsync <CoreSettings>();
var blogSettings = await _settingSvc.GetSettingsAsync <BlogSettings>();
// Friendly post time if the post was published within 2 days
// else show the actual date time in setting's timezone
blogPost.CreatedOnDisplay = (DateTimeOffset.UtcNow.Day - blogPost.CreatedOn.Day) > 2 ?
Util.ConvertTime(blogPost.CreatedOn, coreSettings.TimeZoneId).ToString("dddd, MMMM dd, yyyy") :
Util.ConvertTime(blogPost.CreatedOn, coreSettings.TimeZoneId).Humanize();
if (blogPost.UpdatedOn.HasValue)
{
blogPost.UpdatedOnDisplay =
Util.ConvertTime(blogPost.UpdatedOn.Value, coreSettings.TimeZoneId).ToString("MM/dd/yyyy");
}
// Title
blogPost.Title = WebUtility.HtmlDecode(blogPost.Title); // since OLW encodes it, we decode it here
// Excerpt
blogPost.Excerpt = post.Excerpt.IsNullOrEmpty() ? Util.GetExcerpt(post.Body, EXCERPT_WORD_LIMIT) : post.Excerpt;
// CategoryTitle
blogPost.CategoryTitle = post.Category.Title;
// Tags and TagTitles
foreach (var postTag in post.PostTags)
{
blogPost.Tags.Add(postTag.Tag);
blogPost.TagTitles.Add(postTag.Tag.Title);
}
// Shortcodes
blogPost.Body = parseShortcode ? _shortcodeSvc.Parse(post.Body) : post.Body;
// Embeds
blogPost.Body = parseShortcode ? OembedParser.Parse(blogPost.Body) : blogPost.Body;
_logger.LogDebug("Show {@BlogPost}", blogPost);
return(blogPost);
}
public void Parse_returns_body_with_proper_html_embed(string body, string expected)
{
Assert.Equal(expected, OembedParser.Parse(body));
}
public void GetVimeoEmbed_returns_vimeo_embed_html(string url)
{
string expected = @"<iframe width=""800"" height=""450"" src =""https://player.vimeo.com/video/1084537"" frameborder =""0"" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>";
Assert.Equal(expected, OembedParser.GetVimeoEmbed(url));
}
public void GetYouTubeEmbed_returns_youtube_embed_html_with_size_and_start_info(string url, int width, int height, int start)
{
string expected = $@"<iframe width=""{width}"" height=""{height}"" src =""https://www.youtube.com/embed/MNor4dYXa6U?start={start}"" frameborder =""0"" allow=""autoplay; encrypted - media"" allowfullscreen></iframe>";
Assert.Equal(expected, OembedParser.GetYouTubeEmbed(url));
}
public void GetYouTubeEmbed_returns_youtube_embed_html(string url)
{
string expected = @"<iframe width=""800"" height=""450"" src =""https://www.youtube.com/embed/MNor4dYXa6U"" frameborder =""0"" allow=""autoplay; encrypted - media"" allowfullscreen></iframe>";
Assert.Equal(expected, OembedParser.GetYouTubeEmbed(url));
}
public void GetYouTubeVideoKey_gets_key_from_url(string url, string expected)
{
Assert.Equal(expected, OembedParser.GetYouTubeVideoKey(url));
}
public void GetOembedType_returns_type_Vimeo_given_vimeo_url()
{
Assert.Equal(EEmbedType.Vimeo, OembedParser.GetOembedType("https://vimeo.com/1084537"));
}
public void GetOembedType_returns_type_YouTube_given_any_youtube_urls(string url)
{
Assert.Equal(EEmbedType.YouTube, OembedParser.GetOembedType(url));
}
