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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.ErrorHelpers do
   6   @moduledoc """
   7   Conveniences for translating and building error messages.
   8   """
   9
  10   @doc """
  11   Translates an error message using gettext.
  12   """
  13   def translate_error({msg, opts}) do
  14     # Because error messages were defined within Ecto, we must
  15     # call the Gettext module passing our Gettext backend. We
  16     # also use the "errors" domain as translations are placed
  17     # in the errors.po file.
  18     # Ecto will pass the :count keyword if the error message is
  19     # meant to be pluralized.
  20     # On your own code and templates, depending on whether you
  21     # need the message to be pluralized or not, this could be
  22     # written simply as:
  23     #
  24     #     dngettext "errors", "1 file", "%{count} files", count
  25     #     dgettext "errors", "is invalid"
  26     #
  27     if count = opts[:count] do
  28       Gettext.dngettext(Pleroma.Web.Gettext, "errors", msg, msg, count, opts)
  29     else
  30       Gettext.dgettext(Pleroma.Web.Gettext, "errors", msg, opts)
  31     end
  32   end
  33 end