Cleanup SubscriptionController

lib/pleroma/web/mastodon_api/controllers/subscription_controller.ex

@@ -6,25 +6,22 @@ defmodule Pleroma.Web.MastodonAPI.SubscriptionController do
   @moduledoc "The module represents functions to manage user subscriptions."
   use Pleroma.Web, :controller
 
-  alias Pleroma.Web.MastodonAPI.PushSubscriptionView, as: View
   alias Pleroma.Web.Push
   alias Pleroma.Web.Push.Subscription
 
   action_fallback(:errors)
 
   plug(Pleroma.Plugs.OAuthScopesPlug, %{scopes: ["push"]})
-
   plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
+  plug(:restrict_push_enabled)
 
   # Creates PushSubscription
   # POST /api/v1/push/subscription
   #
   def create(%{assigns: %{user: user, token: token}} = conn, params) do
-    with true <- Push.enabled(),
-         {:ok, _} <- Subscription.delete_if_exists(user, token),
+    with {:ok, _} <- Subscription.delete_if_exists(user, token),
          {:ok, subscription} <- Subscription.create(user, token, params) do
-      view = View.render("push_subscription.json", subscription: subscription)
-      json(conn, view)
+      render(conn, "show.json", subscription: subscription)
     end
   end
 
@@ -32,10 +29,8 @@ defmodule Pleroma.Web.MastodonAPI.SubscriptionController do
   # GET /api/v1/push/subscription
   #
   def get(%{assigns: %{user: user, token: token}} = conn, _params) do
-    with true <- Push.enabled(),
-         {:ok, subscription} <- Subscription.get(user, token) do
-      view = View.render("push_subscription.json", subscription: subscription)
-      json(conn, view)
+    with {:ok, subscription} <- Subscription.get(user, token) do
+      render(conn, "show.json", subscription: subscription)
     end
   end
 
@@ -43,10 +38,8 @@ defmodule Pleroma.Web.MastodonAPI.SubscriptionController do
   # PUT /api/v1/push/subscription
   #
   def update(%{assigns: %{user: user, token: token}} = conn, params) do
-    with true <- Push.enabled(),
-         {:ok, subscription} <- Subscription.update(user, token, params) do
-      view = View.render("push_subscription.json", subscription: subscription)
-      json(conn, view)
+    with {:ok, subscription} <- Subscription.update(user, token, params) do
+      render(conn, "show.json", subscription: subscription)
     end
   end
 
@@ -54,11 +47,20 @@ defmodule Pleroma.Web.MastodonAPI.SubscriptionController do
   # DELETE /api/v1/push/subscription
   #
   def delete(%{assigns: %{user: user, token: token}} = conn, _params) do
-    with true <- Push.enabled(),
-         {:ok, _response} <- Subscription.delete(user, token),
+    with {:ok, _response} <- Subscription.delete(user, token),
          do: json(conn, %{})
   end
 
+  defp restrict_push_enabled(conn, _) do
+    if Push.enabled() do
+      conn
+    else
+      conn
+      |> render_error(:forbidden, "Web push subscription is disabled on this Pleroma instance")
+      |> halt()
+    end
+  end
+
   # fallback action
   #
   def errors(conn, {:error, :not_found}) do

lib/pleroma/web/mastodon_api/views/subscription_view.ex

@@ -2,11 +2,11 @@
 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
-defmodule Pleroma.Web.MastodonAPI.PushSubscriptionView do
+defmodule Pleroma.Web.MastodonAPI.SubscriptionView do
   use Pleroma.Web, :view
   alias Pleroma.Web.Push
 
-  def render("push_subscription.json", %{subscription: subscription}) do
+  def render("show.json", %{subscription: subscription}) do
     %{
       id: to_string(subscription.id),
       endpoint: subscription.endpoint,