read site notices

lib/philomena/site_notices.ex

@@ -17,8 +17,13 @@ defmodule Philomena.SiteNotices do
       [%SiteNotice{}, ...]
 
   """
-  def list_site_notices do
-    Repo.all(SiteNotice)
+  def active_site_notices do
+    now = DateTime.utc_now()
+
+    SiteNotice
+    |> where([n], n.start_date < ^now and n.finish_date > ^now)
+    |> order_by(desc: :start_date)
+    |> Repo.all()
   end
 
   @doc """

lib/philomena/site_notices/site_notice.ex

@@ -15,7 +15,7 @@ defmodule Philomena.SiteNotices.SiteNotice do
     field :start_date, :naive_datetime
     field :finish_date, :naive_datetime
 
-    timestamps(inserted_at: :created_At)
+    timestamps(inserted_at: :created_at)
   end
 
   @doc false

lib/philomena_web/plugs/site_notice_plug.ex

@@ -0,0 +1,25 @@
+defmodule PhilomenaWeb.SiteNoticePlug do
+  @moduledoc """
+  This plug stores the current site-wide notices.
+
+  ## Example
+
+      plug PhilomenaWeb.SiteNoticePlug
+  """
+
+  alias Plug.Conn
+  alias Philomena.SiteNotices
+
+  @doc false
+  @spec init(any()) :: any()
+  def init(opts), do: opts
+
+  @doc false
+  @spec call(Plug.Conn.t(), any()) :: Plug.Conn.t()
+  def call(conn, _opts) do
+    notices = SiteNotices.active_site_notices()
+
+    conn
+    |> Conn.assign(:site_notices, notices)
+  end
+end

lib/philomena_web/router.ex

@@ -15,6 +15,7 @@ defmodule PhilomenaWeb.Router do
     plug PhilomenaWeb.EnsureUserEnabledPlug
     plug PhilomenaWeb.CurrentBanPlug
     plug PhilomenaWeb.NotificationCountPlug
+    plug PhilomenaWeb.SiteNoticePlug
     plug PhilomenaWeb.FilterSelectPlug
   end
 

lib/philomena_web/templates/layout/_flash_warnings.html.slime

@@ -1,3 +1,12 @@
+= for notice <- @conn.assigns.site_notices do
+  .flash.flash--site-notice
+    strong>
+      = notice.title
+    => notice.text
+    = if notice.link not in [nil, ""] do
+      a href=notice.link
+        = notice.link_text
+
 noscript.flash.flash--warning
   strong You don't appear to have Javascript enabled
   ' If you're using an add-on like NoScript, please allow