Update

lib/nulla_web/controllers/api/media_attachment_json.ex

@@ -0,0 +1,30 @@
+defmodule NullaWeb.Api.MediaAttachmentJSON do
+  alias Nulla.MediaAttachments.MediaAttachment
+
+  @doc """
+  Renders a list of media_attachments.
+  """
+  def index(%{media_attachments: media_attachments}) do
+    %{data: for(media_attachment <- media_attachments, do: data(media_attachment))}
+  end
+
+  @doc """
+  Renders a single media_attachment.
+  """
+  def show(%{media_attachment: media_attachment}) do
+    %{data: data(media_attachment)}
+  end
+
+  defp data(%MediaAttachment{} = media_attachment) do
+    %{
+      id: media_attachment.id,
+      type: media_attachment.type,
+      mediaType: media_attachment.mediaType,
+      url: media_attachment.url,
+      name: media_attachment.name,
+      width: media_attachment.width,
+      height: media_attachment.height,
+      note_id: media_attachment.note_id
+    }
+  end
+end