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[akkoma] / lib / pleroma / web / web.ex

diff --git a/lib/pleroma/web/web.ex b/lib/pleroma/web/web.ex
index b82242a785ad0267890914b7b7288ec2177411d9..4d5fd028e902e816632f336bfc9c96e75234c7fe 100644 (file)
--- a/lib/pleroma/web/web.ex
+++ b/lib/pleroma/web/web.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web do
   @moduledoc """
   A module that keeps using definitions for controllers,
@@ -34,12 +38,40 @@ defmodule Pleroma.Web do
       import Phoenix.Controller, only: [get_csrf_token: 0, get_flash: 2, view_module: 1]
 
       import Pleroma.Web.{ErrorHelpers, Gettext, Router.Helpers}
+
+      require Logger
+
+      @doc "Same as `render/3` but wrapped in a rescue block"
+      def safe_render(view, template, assigns \\ %{}) do
+        Phoenix.View.render(view, template, assigns)
+      rescue
+        error ->
+          Logger.error(
+            "#{__MODULE__} failed to render #{inspect({view, template})}: #{inspect(error)}"
+          )
+
+          Logger.error(inspect(__STACKTRACE__))
+          nil
+      end
+
+      @doc """
+      Same as `render_many/4` but wrapped in rescue block.
+      """
+      def safe_render_many(collection, view, template, assigns \\ %{}) do
+        Enum.map(collection, fn resource ->
+          as = Map.get(assigns, :as) || view.__resource__
+          assigns = Map.put(assigns, as, resource)
+          safe_render(view, template, assigns)
+        end)
+        |> Enum.filter(& &1)
+      end
     end
   end
 
   def router do
     quote do
       use Phoenix.Router
+      # credo:disable-for-next-line Credo.Check.Consistency.MultiAliasImportRequireUse
       import Plug.Conn
       import Phoenix.Controller
     end
@@ -47,6 +79,7 @@ defmodule Pleroma.Web do
 
   def channel do
     quote do
+      # credo:disable-for-next-line Credo.Check.Consistency.MultiAliasImportRequireUse
       use Phoenix.Channel
       import Pleroma.Web.Gettext
     end