app/helpers/stream_entries_helper.rb


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# frozen_string_literal: true

module StreamEntriesHelper
  def display_name(account)
    account.display_name.presence || account.username
  end

  def stream_link_target
    embedded_view? ? '_blank' : nil
  end

  def acct(account)
    "@#{account.acct}#{embedded_view? && account.local? ? "@#{Rails.configuration.x.local_domain}" : ''}"
  end

  def style_classes(status, is_predecessor, is_successor, include_threads)
    classes = ['entry']
    classes << 'entry-predecessor' if is_predecessor
    classes << 'entry-reblog' if status.reblog?
    classes << 'entry-successor' if is_successor
    classes << 'entry-center' if include_threads
    classes.join(' ')
  end

  def microformats_classes(status, is_direct_parent, is_direct_child)
    classes = []
    classes << 'p-in-reply-to' if is_direct_parent
    classes << 'p-repost-of' if status.reblog? && is_direct_parent
    classes << 'p-comment' if is_direct_child
    classes.join(' ')
  end

  def microformats_h_class(status, is_predecessor, is_successor, include_threads)
    return 'h-cite' if is_predecessor || status.reblog || is_successor
    return 'h-entry' unless include_threads
    ''
  end

  def rtl?(text)
    rtl_characters = /[\p{Hebrew}|\p{Arabic}|\p{Syriac}|\p{Thaana}|\p{Nko}]+/m.match(text)

    if rtl_characters.present?
      total_size = text.strip.size.to_f
      rtl_size(rtl_characters.to_a) / total_size > 0.3
    else
      false
    end
  end

  private

  def rtl_size(characters)
    characters.reduce(0) { |acc, elem| acc + elem.size }.to_f
  end

  def embedded_view?
    params[:controller] == 'stream_entries' && params[:action] == 'embed'
  end
end