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