discourse/lib/summarize.rb

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