Move dataloader config

lib/ret/api/dataloader.ex

@@ -0,0 +1,10 @@
+defmodule Ret.Api.Dataloader do
+  @moduledoc "Configuration for dataloader"
+
+  alias Ret.{Repo, Scene, SceneListing}
+
+  def source(), do: Dataloader.Ecto.new(Repo, query: &query/2)
+  # Guard against loading removed scenes or delisted scene listings
+  def query(Scene, _), do: from(s in Scene, where: s.state != ^:removed)
+  def query(SceneListing, _), do: from(sl in SceneListing, where: sl.state != ^:delisted)
+end

lib/ret/scene.ex

@@ -55,12 +55,6 @@ defmodule Ret.Scene do
     timestamps()
   end
 
-  # Dataloader
-  def data(), do: Dataloader.Ecto.new(Repo, query: &query/2)
-  # Guard against loading removed scenes or delisted scene listings
-  def query(Scene, _), do: from(s in Scene, where: s.state != ^:removed)
-  def query(SceneListing, _), do: from(sl in SceneListing, where: sl.state != ^:delisted)
-
   def scene_or_scene_listing_by_sid(sid) do
     Scene |> Repo.get_by(scene_sid: sid) ||
       SceneListing |> Repo.get_by(scene_listing_sid: sid) |> Repo.preload(scene: Scene.scene_preloads())

lib/ret_web/schema.ex

@@ -2,7 +2,6 @@ defmodule RetWeb.Schema do
   @moduledoc false
 
   use Absinthe.Schema
-  alias Ret.Scene
 
   import RetWeb.Middleware, only: [build_middleware: 3]
 
@@ -25,7 +24,7 @@ defmodule RetWeb.Schema do
   def context(ctx) do
     loader =
       Dataloader.new()
-      |> Dataloader.add_source(Scene, Scene.data())
+      |> Dataloader.add_source(:db, Ret.Api.Dataloader.source())
 
     Map.put(ctx, :loader, loader)
   end