fix publishing losing channels

lib/chiya/notes.ex

@@ -218,6 +218,15 @@ defmodule Chiya.Notes do
     Repo.delete(note)
   end
 
+  def publish_note(%Note{} = note, published_at) do
+    {1, nil} =
+      Note
+      |> where([n], n.id == ^note.id)
+      |> Repo.update_all(set: [published_at: published_at])
+
+    {:ok, note}
+  end
+
   @doc """
   Returns an `%Ecto.Changeset{}` for tracking note changes.
 

lib/chiya_web/controllers/note_controller.ex

@@ -105,10 +105,9 @@ defmodule ChiyaWeb.NoteController do
   end
 
   def publish(conn, %{"id" => id}) do
-    note_params = %{published_at: NaiveDateTime.local_now()}
     note = Notes.get_note_preloaded!(id)
 
-    case Notes.update_note(note, note_params) do
+    case Notes.publish_note(note, NaiveDateTime.local_now()) do
       {:ok, note} ->
         conn
         |> put_flash(:info, "Note published successfully.")
@@ -125,10 +124,9 @@ defmodule ChiyaWeb.NoteController do
   end
 
   def unpublish(conn, %{"id" => id}) do
-    note_params = %{published_at: nil}
     note = Notes.get_note_preloaded!(id)
 
-    case Notes.update_note(note, note_params) do
+    case Notes.publish_note(note, nil) do
       {:ok, note} ->
         conn
         |> put_flash(:info, "Note un-published successfully.")