git.squeep.com Git - akkoma/blob - lib/pleroma/web/metadata/utils.ex

   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.Metadata.Utils do
   6   alias Pleroma.Emoji
   7   alias Pleroma.Formatter
   8   alias Pleroma.HTML
   9   alias Pleroma.Web.MediaProxy
  10
  11   def scrub_html_and_truncate(%{data: %{"content" => content}} = object) do
  12     content
  13     # html content comes from DB already encoded, decode first and scrub after
  14     |> HtmlEntities.decode()
  15     |> String.replace(~r/<br\s?\/?>/, " ")
  16     |> HTML.get_cached_stripped_html_for_activity(object, "metadata")
  17     |> Emoji.Formatter.demojify()
  18     |> HtmlEntities.decode()
  19     |> Formatter.truncate()
  20   end
  21
  22   def scrub_html_and_truncate(content, max_length \\ 200) when is_binary(content) do
  23     content
  24     # html content comes from DB already encoded, decode first and scrub after
  25     |> HtmlEntities.decode()
  26     |> String.replace(~r/<br\s?\/?>/, " ")
  27     |> HTML.strip_tags()
  28     |> Emoji.Formatter.demojify()
  29     |> HtmlEntities.decode()
  30     |> Formatter.truncate(max_length)
  31   end
  32
  33   def attachment_url(url) do
  34     MediaProxy.url(url)
  35   end
  36
  37   def user_name_string(user) do
  38     "#{user.name} " <>
  39       if user.local do
  40         "(@#{user.nickname}@#{Pleroma.Web.Endpoint.host()})"
  41       else
  42         "(@#{user.nickname})"
  43       end
  44   end
  45
  46   @spec fetch_media_type(list(String.t()), String.t()) :: String.t() | nil
  47   def fetch_media_type(supported_types, media_type) do
  48     Enum.find(supported_types, fn support_type ->
  49       String.starts_with?(media_type, support_type)
  50     end)
  51   end
  52 end