100 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # frozen_string_literal: true
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| 
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| require 'singleton'
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| 
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| class Formatter
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|   include Singleton
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|   include RoutingHelper
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| 
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|   include ActionView::Helpers::TextHelper
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|   include ActionView::Helpers::SanitizeHelper
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| 
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|   def format(status)
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|     return reformat(status.content) unless status.local?
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| 
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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 = 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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| 
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|     html.html_safe # rubocop:disable Rails/OutputSafety
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|   end
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| 
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|   def reformat(html)
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|     sanitize(html, tags: %w(a br p span), attributes: %w(href rel class))
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|   end
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| 
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|   def plaintext(status)
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|     return status.text if status.local?
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|     strip_tags(status.text)
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|   end
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| 
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|   def simplified_format(account)
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|     return reformat(account.note) unless account.local?
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| 
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|     html = encode(account.note)
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|     html = link_urls(html)
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|     html = link_accounts(html)
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|     html = link_hashtags(html)
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| 
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|     html.html_safe # rubocop:disable Rails/OutputSafety
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|   end
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| 
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|   private
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| 
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|   def encode(html)
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|     HTMLEntities.new.encode(html)
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|   end
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| 
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|   def link_urls(html)
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|     Twitter::Autolink.auto_link_urls(html, url_target: '_blank',
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|                                            link_attribute_block: lambda { |_, a| a[:rel] << ' noopener' },
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|                                            link_text_block: lambda { |_, text| link_html(text) })
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|   end
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| 
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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| TagManager.instance.same_acct?(item.account.acct, acct) }
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| 
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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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| 
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|   def link_accounts(html)
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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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|       username, domain = acct.split('@')
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|       domain = nil if TagManager.instance.local_domain?(domain)
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|       account = Account.find_remote(username, domain)
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| 
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|       account.nil? ? match : mention_html(match, account)
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|     end
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|   end
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| 
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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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| 
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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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| 
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|     "<span class=\"invisible\">#{prefix}</span><span class=\"#{cutoff ? 'ellipsis' : ''}\">#{text}</span><span class=\"invisible\">#{suffix}</span>"
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|   end
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| 
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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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| 
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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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