pleroma/lib/pleroma/web/web.ex
href f83bae7c22
Views: wrap activity rendering in a rescue
this avoids complete timeline breakage when an activity fucks up
rendering.
2019-01-27 19:16:20 +01:00

96 lines
2.4 KiB
Elixir

# 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,
views and so on.
This can be used in your application as:
use Pleroma.Web, :controller
use Pleroma.Web, :view
The definitions below will be executed for every view,
controller, etc, so keep them short and clean, focused
on imports, uses and aliases.
Do NOT define functions inside the quoted expressions
below.
"""
def controller do
quote do
use Phoenix.Controller, namespace: Pleroma.Web
import Plug.Conn
import Pleroma.Web.{Gettext, Router.Helpers}
end
end
def view do
quote do
use Phoenix.View,
root: "lib/pleroma/web/templates",
namespace: Pleroma.Web
# Import convenience functions from controllers
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
import Plug.Conn
import Phoenix.Controller
end
end
def channel do
quote do
use Phoenix.Channel
import Pleroma.Web.Gettext
end
end
@doc """
When used, dispatch to the appropriate controller/view/etc.
"""
defmacro __using__(which) when is_atom(which) do
apply(__MODULE__, which, [])
end
def base_url do
Pleroma.Web.Endpoint.url()
end
end