error_helpers.ex
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error_helpers.ex
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	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.ErrorHelpers do
	@moduledoc """
	Conveniences for translating and building error messages.
	"""

	@doc """
	Translates an error message using gettext.
	"""
	def translate_error({msg, opts}) do
	# Because error messages were defined within Ecto, we must
	# call the Gettext module passing our Gettext backend. We
	# also use the "errors" domain as translations are placed
	# in the errors.po file.
	# Ecto will pass the :count keyword if the error message is
	# meant to be pluralized.
	# On your own code and templates, depending on whether you
	# need the message to be pluralized or not, this could be
	# written simply as:
	#
	# dngettext "errors", "1 file", "%{count} files", count
	# dgettext "errors", "is invalid"
	#
	if count = opts[:count] do
	Gettext.dngettext(Pleroma.Web.Gettext, "errors", msg, msg, count, opts)
	else
	Gettext.dgettext(Pleroma.Web.Gettext, "errors", msg, opts)
	end
	end
	end