Generate feed for posts.

lib/jol_web/controllers/feed_controller.ex

@@ -0,0 +1,12 @@
+defmodule JOLWeb.FeedController do
+  use JOLWeb, :controller
+
+  def feed(conn, _params) do
+    feed = JOL.Blog.all_posts()
+    |> JOLWeb.Feeds.build_feed()
+
+    conn
+    |> put_resp_content_type("text/xml")
+    |> send_resp(200, feed)
+  end
+end

lib/jol_web/feeds.ex

@@ -0,0 +1,20 @@
+defmodule JOLWeb.Feeds do
+  use Phoenix.VerifiedRoutes, endpoint: JOLWeb.Endpoint, router: JOLWeb.Router
+  alias Atomex.{Feed, Entry}
+
+  def build_feed(posts) do
+    Feed.new(url(~p"/"), DateTime.utc_now, "Jessica Online")
+    |> Feed.author("Jessica Phoenix Canady", email: "jess@canady.tech")
+    |> Feed.link(url(~p"/feed.xml"), rel: "self")
+    |> Feed.entries(Enum.map(posts, &build_entry/1))
+    |> Feed.build()
+    |> Atomex.generate_document()
+  end
+
+  defp build_entry(post) do
+    Entry.new(url(~p"/blog/#{post.slug}"), post.date, post.title)
+    |> Entry.author(post.author, uri: url(~p"/"))
+    |> Entry.content(post.body, type: "html")
+    |> Entry.build()
+  end
+end

lib/jol_web/router.ex

@@ -14,6 +14,10 @@ defmodule JOLWeb.Router do
     plug :accepts, ["json"]
   end
 
+  pipeline :feeds do
+    plug :accepts, ["xml"]
+  end
+
   scope "/", JOLWeb do
     pipe_through :browser
 
@@ -27,10 +31,11 @@ defmodule JOLWeb.Router do
     get "/blog/:slug", BlogController, :show
   end
 
-  # Other scopes may use custom stacks.
+  scope "/", JOLWeb do
-  # scope "/api", JOLWeb do
+    pipe_through :feeds
-  #   pipe_through :api
+
-  # end
+    get "/feed.xml", FeedController, :feed
+  end
 
   # Enable LiveDashboard and Swoosh mailbox preview in development
   if Application.compile_env(:jol, :dev_routes) do