mobilizon/lib/web/views/error_helpers.ex

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Elixir
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defmodule Mobilizon.Web.ErrorHelpers do
@moduledoc """
Conveniences for translating and building error messages.
"""
use Phoenix.HTML
@doc """
Translates an error message using gettext.
"""
@spec translate_error({msg :: String.t(), opts :: map()}) :: String.t()
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
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Gettext.dngettext(Mobilizon.Web.Gettext, "errors", msg, msg, count, opts)
else
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Gettext.dgettext(Mobilizon.Web.Gettext, "errors", msg, opts)
end
end
end