public IActionResult Blog(string seriesRef, string tag, [FromServices] IBlogProvider blogs)
{
return(View(new BlogIndexViewModel
{
Series = blogs.GetBlogSeries()
.Where(s => seriesRef == null || s.Series.Reference == seriesRef)
.Where(s => tag == null || s.Series.Tags.Contains(tag)),
TagFilter = tag
}));
}
public IActionResult BlogPost(string seriesRef, string postIndex, [FromServices] IBlogProvider blogs)
{
var series = blogs.GetBlogSeries().FirstOrDefault(s => s.Series.Reference == seriesRef);
if (series == null)
{
return(Redirect("/Blog"));
}
BlogPost lastBlog = null;
BlogPost currentBlog = null;
BlogPost nextBlog = null;
var postIndexNumString = postIndex.Split('-').FirstOrDefault(); // Allows SEO keywords after the post index.
var isNumber = Int32.TryParse(postIndexNumString, out int postIndexValue);
if (!isNumber)
{
return(Redirect($"/Blog/{seriesRef}"));
}
if (postIndexValue > 0 && series.Posts.Count > 1)
{
lastBlog = series.Posts[postIndexValue - 1];
}
if (postIndexValue < series.Posts.Count)
{
currentBlog = series.Posts[postIndexValue];
}
else
{
return(Redirect($"/Blog/{seriesRef}"));
}
if (postIndexValue < series.Posts.Count - 1)
{
nextBlog = series.Posts[postIndexValue + 1];
}
return(View(new BlogPostViewModel
{
Series = series.Series,
LastPost = lastBlog,
CurrentPost = currentBlog,
NextPost = nextBlog
}));
}