Related posts -> recent posts (#41)

But leave the door open to switch back in the future

Author: joladev

lib/jola_dev/blog.ex

@@ -65,6 +65,13 @@ defmodule JolaDev.Blog do
     Enum.map(all_posts(), & &1.id)
   end
 
+  def recent_posts(%JolaDev.Blog.Post{id: id}, limit \\ 3) do
+    all_posts()
+    |> Enum.reject(&(&1.id == id))
+    |> Enum.sort_by(& &1.date, {:desc, Date})
+    |> Enum.take(limit)
+  end
+
   def related_posts(%JolaDev.Blog.Post{id: id, tags: tags}, limit \\ 3) do
     all_posts()
     |> Enum.reject(&(&1.id == id))

lib/jola_dev_web/controllers/blog_controller.ex

@@ -37,7 +37,7 @@ defmodule JolaDevWeb.BlogController do
     if post = JolaDev.Blog.find_by_id(params["id"]) do
       render(conn, :show,
         post: post,
-        related_posts: JolaDev.Blog.related_posts(post),
+        related_posts: JolaDev.Blog.recent_posts(post),
         page_title: "#{post.title} | jola.dev",
         meta_description: post.description,
         og_image: JolaDev.OGImage.path_for("posts/#{post.id}")