42 lines
		
	
	
		
			785 B
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			785 B
		
	
	
	
		
			Ruby
		
	
	
	
# frozen_string_literal: true
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class LanguageDetector
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  attr_reader :text, :account
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  def initialize(text, account = nil)
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    @text = text
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    @account = account
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    @identifier = CLD3::NNetLanguageIdentifier.new(1, 2048)
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  end
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  def to_iso_s
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    detected_language_code || default_locale.to_sym
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  end
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  private
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  def detected_language_code
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    result.language.to_sym if detected_language_reliable?
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  end
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  def result
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    @result ||= @identifier.find_language(text_without_urls)
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  end
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  def detected_language_reliable?
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    result.reliable?
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  end
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  def text_without_urls
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    text.dup.tap do |new_text|
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      URI.extract(new_text).each do |url|
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        new_text.gsub!(url, '')
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      end
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    end
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  end
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  def default_locale
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    account&.user_locale || I18n.default_locale
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  end
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end
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