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metu.life/app/lib/formatter.rb

73 lines
1.8 KiB

# frozen_string_literal: true
require 'singleton'
class Formatter
include Singleton
include RoutingHelper
include ActionView::Helpers::TextHelper
include ActionView::Helpers::SanitizeHelper
def format(status)
return reformat(status.content) unless status.local?
html = status.text
html = encode(html)
html = simple_format(html, sanitize: false)
html = link_urls(html)
html = link_mentions(html, status.mentions)
html = link_hashtags(html)
html.html_safe # rubocop:disable Rails/OutputSafety
end
def reformat(html)
sanitize(html, tags: %w(a br p), attributes: %w(href rel))
end
def simplified_format(account)
return reformat(account.note) unless account.local?
html = encode(account.note)
html = link_urls(html)
html.html_safe # rubocop:disable Rails/OutputSafety
end
private
def encode(html)
HTMLEntities.new.encode(html)
end
def link_urls(html)
auto_link(html, link: :urls, html: { rel: 'nofollow noopener' }) do |text|
truncate(text.gsub(/\Ahttps?:\/\/(www\.)?/, ''), length: 30)
end
end
def link_mentions(html, mentions)
html.gsub(Account::MENTION_RE) do |match|
acct = Account::MENTION_RE.match(match)[1]
mention = mentions.find { |item| item.account.acct.casecmp(acct).zero? }
mention.nil? ? match : mention_html(match, mention.account)
end
end
def link_hashtags(html)
html.gsub(Tag::HASHTAG_RE) do |match|
hashtag_html(match)
end
end
def hashtag_html(match)
prefix, affix = match.split('#')
"#{prefix}<a href=\"#{tag_url(affix.downcase)}\" class=\"mention hashtag\">#<span>#{affix}</span></a>"
end
def mention_html(match, account)
"#{match.split('@').first}<a href=\"#{TagManager.instance.url_for(account)}\" class=\"h-card u-url p-nickname mention\">@<span>#{account.username}</span></a>"
end
end