discourse/lib/summarize.rb

27 lines
469 B
Ruby

# Summarize a HTML field into regular text. Used currently
# for meta tags
class Summarize
include ActionView::Helpers
def initialize(text)
@text = text
end
def self.max_length
500
end
def summary
return nil if @text.blank?
result = sanitize(@text, tags: [], attributes: [])
result.gsub!(/\n/, ' ')
result.strip!
return result if result.length <= Summarize.max_length
"#{result[0..Summarize.max_length]}..."
end
end