mobilizon/lib/service/metadata/utils.ex

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defmodule Mobilizon.Service.Metadata.Utils do
@moduledoc """
Tools to convert tags to string.
"""
alias Mobilizon.Service.Formatter.HTML, as: HTMLFormatter
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alias Phoenix.HTML
import Mobilizon.Web.Gettext
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@slice_limit 200
@spec stringify_tags(Enum.t()) :: String.t()
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def stringify_tags(tags), do: Enum.reduce(tags, "", &stringify_tag/2)
defp stringify_tag(tag, acc) when is_tuple(tag), do: acc <> HTML.safe_to_string(tag)
defp stringify_tag(tag, acc) when is_binary(tag), do: acc <> tag
@spec strip_tags(String.t()) :: String.t()
def strip_tags(text), do: HTMLFormatter.strip_tags(text)
@spec process_description(String.t(), String.t(), integer()) :: String.t()
def process_description(description, locale \\ "en", limit \\ @slice_limit)
def process_description(nil, locale, limit), do: process_description("", locale, limit)
def process_description("", locale, _limit) do
Gettext.put_locale(locale)
gettext("The event organizer didn't add any description.")
end
def process_description(description, _locale, limit) do
description
|> HTMLFormatter.strip_tags()
|> String.slice(0..limit)
|> (&"#{&1}").()
end
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end