fix: Correct rss feed urls

apps/content/lib/content/post.ex

@@ -115,14 +115,16 @@ defmodule Content.Post do
   end
 
   def maybe_put_guid(changeset) do
-    import Content.Router.Helpers, only: [posts_url: 3]
+    import Content.Router.Helpers, only: [url: 1, posts_url: 3]
     slug = changeset |> get_field(:name)
 
     case slug do
       nil -> changeset
       _ ->
+        base = url(CoreWeb.Endpoint)
+
         changeset
-        |> put_default(:guid, posts_url(CoreWeb.Endpoint, :show, slug))
+        |> put_default(:guid, posts_url(URI.merge(base, "/pages"), :show, slug))
     end
   end
 end

apps/content/lib/content_web.ex

@@ -46,7 +46,6 @@ defmodule Content do
         |> Earmark.as_html!()
       end
 
-      import CoreWeb.Helpers
       # Include shared imports and aliases for views
       unquote(view_helpers())
     end
@@ -76,6 +75,8 @@ defmodule Content do
       # Import basic rendering functionality (render, render_layout, etc)
       import Phoenix.View
 
+      import CoreWeb.Helpers
+
       import Content.ErrorHelpers
       import Content.Gettext
       alias Content.Router.Helpers, as: Routes

apps/content/lib/content_web/templates/feeds/index.rss.eex

@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
   <channel>
-    <title><%= LayoutView.title(@view_module, @view_template, assigns) %></title>
+    <title><%= title(@view_module, @view_template, assigns) %></title>
-    <description><%= LayoutView.excerpt(@view_module, @view_template, assigns) %></description>
+    <description><%= excerpt(@view_module, @view_template, assigns) %></description>
-    <link>https://pre.hn</link>
+    <link><%= Content.Router.Helpers.url(CoreWeb.Endpoint) %></link>
-    <atom:link href="https://pre.hn<%= @feed_url %>" rel="self" type="application/rss+xml" />
+    <atom:link href="<%= Content.Router.Helpers.url(CoreWeb.Endpoint) %><%= @feed_url %>" rel="self" type="application/rss+xml" />
 
 <%= for post <- @posts do %>
     <item>

apps/content/lib/content_web/views/feeds_view.ex

@@ -3,7 +3,8 @@ defmodule Content.FeedsView do
   use Phoenix.HTML
   alias Phoenix.HTML
   alias Phoenix.HTML.Tag
-  alias Content.LayoutView
+
+  import Content.LayoutView, only: [title: 3, excerpt: 3]
 
   def gravatar_url_for_email(email) do
     email

apps/content/lib/content_web/views/layout_view.ex

@@ -1,11 +1,22 @@
 defmodule Content.LayoutView do
   use Content, :view
 
+  def feed_tag(conn, view_module, view_template, assigns) do
+    ~E"""
+    <link
+      rel="alternate"
+      type="application/rss+xml"
+      title="<%= title(view_module, view_template, assigns) %>"
+      href="<%= corresponding_feed_url(conn, view_module, view_template, assigns) %>"
+    />
+    """
+  end
+
   def title(Content.PostsView, "index.html", assigns) do
     "Page #{assigns.page} | #{title(nil, nil, nil)}"
   end
 
-  def title(Content.FeedsView, "index.rss", %{category: category}) do
+  def title(Content.FeedsView, "index.rss", %{category: category}) when not(is_nil(category)) do
     "#{category} | #{title(nil, nil, nil)}"
   end
 
@@ -13,45 +24,28 @@ defmodule Content.LayoutView do
     (assigns.post.title |> HtmlSanitizeEx.strip_tags()) <> " | " <> title(nil, nil, nil)
   end
 
-  def title(_, _, _) do
+  def title(_, _, _), do: I18n.t! "en", "site.title"
-    I18n.t! "en", "site.title"
-  end
 
   def excerpt(Content.PostsView, "show.html", assigns) do
     assigns.post.excerpt
     |> HtmlSanitizeEx.strip_tags()
   end
 
-  def excerpt(Content.FeedsView, "index.rss", %{category: category}) do
+  def excerpt(Content.FeedsView, "index.rss", %{category: category}) when not(is_nil(category))  do
     "#{category} | #{excerpt(nil, nil, nil)}"
   end
 
-  def excerpt(_, _, _) do
+  def excerpt(_, _, _), do: I18n.t! "en", "site.excerpt"
-    I18n.t! "en", "site.excerpt"
-  end
-
-  def author(Content.PostsView, "show.html", assigns) do
-    case assigns do
-      %{author: %{display_name: name}} ->
-        name
-      _ ->
-        "Anonymous"
-    end
-  end
-
-  def author(_, _, _) do
-    "Anonymous"
-  end
 
   def corresponding_feed_url(conn, _, _, %{category: nil}) do
-    Routes.index_feed_url(conn, :index)
+    Content.Router.Helpers.index_feed_url(conn, :index)
   end
 
   def corresponding_feed_url(conn, Content.PostsView, "index.html", %{category: category}) do
-    Routes.category_feed_url(conn, :index, category)
+    Content.Router.Helpers.category_feed_url(conn, :index, category)
   end
 
   def corresponding_feed_url(conn, _, _, _) do
-    Routes.index_feed_url(conn, :index)
+    Content.Router.Helpers.index_feed_url(conn, :index)
   end
 end

apps/content/test/content_web/views/layout_view_test.exs

@@ -1,10 +1,5 @@
 defmodule Content.LayoutViewTest do
-  use Content.ConnCase
+  use Content.ConnCase, async: true
-
-  # When testing helpers, you may want to import Phoenix.HTML and
-  # use functions such as safe_to_string() to convert the helper
-  # result into an HTML string.
-  # import Phoenix.HTML
 
   import Content.LayoutView
 
@@ -24,10 +19,6 @@ defmodule Content.LayoutViewTest do
     test "for category" do
       assert title(Content.PostsView, "show.html", %{post: %{title: "Test"}}) =~ "Test | #{default_title()}"
     end
-
-    test "for nil" do
-      title(nil, nil, nil)
-    end
   end
 
   describe "excerpt/3" do
@@ -40,16 +31,6 @@ defmodule Content.LayoutViewTest do
     end
   end
 
-  describe "author/3" do
-    test "with a display name" do
-      assert author(Content.PostsView, "show.html", %{author: %{display_name: "Rufus"}}) =~ "Rufus"
-    end
-
-    test "without a display name" do
-      assert author(Content.PostsView, "show.html", %{}) =~ "Anonymous"
-    end
-  end
-
   describe "corresponding_feed_url/4" do
     setup %{conn: conn} do
       %{conn: put_private(conn, :phoenix_router_url, "/pages")}

apps/core/lib/core_web/templates/layout/app.html.eex

@@ -4,8 +4,9 @@
     <meta charset="utf-8"/>
     <meta http-equiv="X-UA-Compatible" content="IE=edge"/>
     <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
-    <title><%= I18n.t! "en", "site.title" %></title>
+    <title><%= title(@view_module, @view_template, assigns) %></title>
     <link rel="stylesheet" href="<%= Routes.static_path(@conn, "/css/app.css") %>"/>
+    <%= feed_tag(@conn, @view_module, @view_template, assigns) %>
     <script defer type="text/javascript" src="<%= Routes.static_path(@conn, "/js/app.js") %>"></script>
   </head>
   <body>

apps/core/lib/core_web/views/layout_view.ex

@@ -1,3 +1,39 @@
 defmodule CoreWeb.LayoutView do
   use CoreWeb, :view
+
+  def title(view_module, template, assigns) do
+    delegate_with_default(view_module, :title, [view_module, template, assigns], I18n.t!("en", "site.title"))
+  end
+
+  def excerpt(view_module, template, assigns) do
+    delegate_with_default(view_module, :excerpt, [view_module, template, assigns], I18n.t!("en", "site.excerpt"))
+  end
+
+  def feed_tag(conn, view_module, view_template, assigns) do
+    delegate_with_default(view_module, :feed_tag, [conn, view_module, view_template, assigns], nil)
+  end
+
+  defp delegate_with_default(nil, _, _, default), do: default
+  defp delegate_with_default(view_module, function_name, args, default) do
+    sibling_layout = sibling_layout_view(view_module)
+    if function_exported?(sibling_layout, function_name, args |> Enum.count()) do
+      apply(sibling_layout, function_name, args)
+    else
+      default
+    end
+  end
+
+  defp sibling_layout_view(view_module) do
+    view_module
+    |> parent_module()
+    |> Module.concat("LayoutView")
+  end
+
+  defp parent_module(mod) do
+    [_|tail] = Module.split(mod) |> Enum.reverse()
+
+    tail
+    |> Enum.reverse()
+    |> Module.concat()
+  end
 end

apps/core/test/core_web/views/layout_view_test.exs

@@ -1,8 +1,31 @@
 defmodule CoreWeb.LayoutViewTest do
   use CoreWeb.ConnCase, async: true
 
-  # When testing helpers, you may want to import Phoenix.HTML and
+  import CoreWeb.LayoutView
-  # use functions such as safe_to_string() to convert the helper
+
-  # result into an HTML string.
+  describe "title/3" do
-  # import Phoenix.HTML
+    def default_title do
+      I18n.t! "en", "site.title"
+    end
+
+    test "for nil" do
+      assert title(nil, nil, nil) =~ default_title()
+    end
+  end
+
+  describe "excerpt/3" do
+    def default_excerpt do
+      I18n.t! "en", "site.excerpt"
+    end
+
+    test "for nil" do
+      assert excerpt(nil, nil, nil) =~ default_excerpt()
+    end
+  end
+
+  describe "feed_tag/4" do
+    test "for nil" do
+      assert feed_tag(nil, nil, nil, nil) == nil
+    end
+  end
 end

mix.lock

@@ -36,7 +36,7 @@
   "linguist": {:hex, :linguist, "0.3.0", "2984dfce6720d1212ddd7bba82496f92627a39aecd4d32c7016ec00393e1f925", [:mix], [{:ex_cldr, "~> 2.0", [hex: :ex_cldr, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:yaml_elixir, "~> 2.0", [hex: :yaml_elixir, repo: "hexpm", optional: false]}], "hexpm", "1923876545db22b63334c9d203ef56397a2946daa018117767b068f856be41e4"},
   "meck": {:hex, :meck, "0.8.13", "ffedb39f99b0b99703b8601c6f17c7f76313ee12de6b646e671e3188401f7866", [:rebar3], [], "hexpm", "d34f013c156db51ad57cc556891b9720e6a1c1df5fe2e15af999c84d6cebeb1a"},
   "metrics": {:hex, :metrics, "1.0.1", "25f094dea2cda98213cecc3aeff09e940299d950904393b2a29d191c346a8486", [:rebar3], [], "hexpm", "69b09adddc4f74a40716ae54d140f93beb0fb8978d8636eaded0c31b6f099f16"},
-  "mime": {:hex, :mime, "1.3.1", "30ce04ab3175b6ad0bdce0035cba77bba68b813d523d1aac73d9781b4d193cf8", [:mix], [], "hexpm", "6cbe761d6a0ca5a31a0931bf4c63204bceb64538e664a8ecf784a9a6f3b875f1"},
+  "mime": {:hex, :mime, "1.4.0", "5066f14944b470286146047d2f73518cf5cca82f8e4815cf35d196b58cf07c47", [:mix], [], "hexpm", "75fa42c4228ea9a23f70f123c74ba7cece6a03b1fd474fe13f6a7a85c6ea4ff6"},
   "mimerl": {:hex, :mimerl, "1.2.0", "67e2d3f571088d5cfd3e550c383094b47159f3eee8ffa08e64106cdf5e981be3", [:rebar3], [], "hexpm", "f278585650aa581986264638ebf698f8bb19df297f66ad91b18910dfc6e19323"},
   "mochiweb": {:hex, :mochiweb, "2.12.2", "80804ad342afa3d7f3524040d4eed66ce74b17a555de454ac85b07c479928e46", [:make, :rebar], [], "hexpm", "d3e681d4054b74a96cf2efcd09e94157ab83a5f55ddc4ce69f90b8144673bd7a"},
   "mock": {:hex, :mock, "0.3.5", "feb81f52b8dcf0a0d65001d2fec459f6b6a8c22562d94a965862f6cc066b5431", [:mix], [{:meck, "~> 0.8.13", [hex: :meck, repo: "hexpm", optional: false]}], "hexpm", "6fae404799408300f863550392635d8f7e3da6b71abdd5c393faf41b131c8728"},