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akkoma/lib/pleroma/emoji/formatter.ex
2020-04-10 06:20:02 +02:00

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Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Emoji.Formatter do
alias Pleroma.Emoji
alias Pleroma.HTML
alias Pleroma.Web.MediaProxy
def emojify(text) do
emojify(text, Emoji.get_all())
end
def emojify(text, nil), do: text
def emojify(text, emoji, strip \\ false) do
Enum.reduce(emoji, text, fn
{_, %Emoji{safe_code: emoji, safe_file: file}}, text ->
String.replace(text, ":#{emoji}:", prepare_emoji_html(emoji, file, strip))
{unsafe_emoji, unsafe_file}, text ->
emoji = HTML.strip_tags(unsafe_emoji)
file = HTML.strip_tags(unsafe_file)
String.replace(text, ":#{emoji}:", prepare_emoji_html(emoji, file, strip))
end)
|> HTML.filter_tags()
end
defp prepare_emoji_html(_emoji, _file, true), do: ""
defp prepare_emoji_html(emoji, file, _strip) do
"<img class='emoji' alt='#{emoji}' title='#{emoji}' src='#{MediaProxy.url(file)}' />"
end
def demojify(text) do
emojify(text, Emoji.get_all(), true)
end
def demojify(text, nil), do: text
@doc "Outputs a list of the emoji-Maps in a text"
def get_emoji_map(text) when is_binary(text) do
Emoji.get_all()
|> Enum.filter(fn {emoji, %Emoji{}} -> String.contains?(text, ":#{emoji}:") end)
|> Enum.reduce(%{}, fn {name, %Emoji{file: file}}, acc ->
Map.put(acc, name, "#{Pleroma.Web.Endpoint.static_url()}#{file}")
end)
end
def get_emoji_map(_), do: %{}
end