Willem van den Ende
855b6cb590
- Add <.rss_icon> inline SVG component in core_components.ex - Inject RSS <link> tags into <head> on blog pages for auto-discovery - Show RSS icon next to blog title on index and tag pages - Show RSS icon on post pages next to back-link - Add Subscribe section in footer with links to both feeds - Wire feed URL through blog controller (index, show, tag actions) 174 tests pass, credo clean.
98 lines
2.7 KiB
Elixir
98 lines
2.7 KiB
Elixir
defmodule FirehoseWeb.BlogController do
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use FirehoseWeb, :controller
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plug :resolve_blog
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def index(conn, params) do
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blog = conn.assigns.blog
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page = parse_page(params["page"])
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result = blog.paginate(page)
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meta = Blogex.SEO.meta_tags_for_blog(blog, FirehoseWeb.Endpoint.url())
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rss_url = rss_feed_url(blog)
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conn
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|> FirehoseWeb.Layouts.put_content_for(:meta_tags, meta)
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|> FirehoseWeb.Layouts.put_content_for(:feed_links, %{rss_url: rss_url, title: blog.title()})
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|> render(:index,
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page_title: blog.title(),
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blog_title: blog.title(),
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blog_description: blog.description(),
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posts: result.entries,
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base_path: blog.base_path(),
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page: result.page,
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total_pages: result.total_pages,
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rss_feed_url: rss_url
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)
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end
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def show(conn, %{"slug" => slug}) do
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blog = conn.assigns.blog
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post = blog.get_post!(slug)
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visibility = Blogex.Post.visibility(post)
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rss_url = rss_feed_url(blog)
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meta = Blogex.SEO.meta_tags(post, FirehoseWeb.Endpoint.url(), blog)
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conn
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|> FirehoseWeb.Layouts.put_content_for(:meta_tags, meta)
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|> FirehoseWeb.Layouts.put_content_for(:feed_links, %{rss_url: rss_url, title: blog.title()})
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|> render(:show,
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page_title: post.title,
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post: post,
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meta: meta,
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base_path: blog.base_path(),
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visibility: visibility,
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authenticated: !!(conn.assigns[:current_scope] && conn.assigns.current_scope.user),
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rss_feed_url: rss_url
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)
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end
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def tag(conn, %{"tag" => tag}) do
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blog = conn.assigns.blog
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posts = blog.posts_by_tag(tag)
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rss_url = rss_feed_url(blog)
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rss_link = %{rss_url: rss_url, title: blog.title()}
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conn
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|> FirehoseWeb.Layouts.put_content_for(:feed_links, rss_link)
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|> render(:tag,
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page_title: "#{blog.title()} — #{tag}",
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blog_title: blog.title(),
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tag: tag,
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posts: posts,
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base_path: blog.base_path(),
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rss_feed_url: rss_url
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)
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end
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defp resolve_blog(%{params: %{"blog_id" => "engineering"}} = conn, _opts),
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do: assign(conn, :blog, Firehose.EngineeringBlog)
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defp resolve_blog(%{params: %{"blog_id" => "releases"}} = conn, _opts),
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do: assign(conn, :blog, Firehose.ReleaseNotes)
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defp resolve_blog(conn, _opts) do
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conn
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|> put_status(:not_found)
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|> put_view(FirehoseWeb.ErrorHTML)
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|> render(:"404")
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|> halt()
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end
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defp parse_page(nil), do: 1
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defp parse_page(str) do
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case Integer.parse(str) do
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{page, ""} when page > 0 -> page
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_ -> 1
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end
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end
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defp rss_feed_url(blog) do
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base_id = blog.base_path() |> String.trim_leading("/blog/")
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FirehoseWeb.Endpoint.url() <> "/api/blog/#{base_id}/feed.xml"
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end
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end
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