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46 lines
914 B
46 lines
914 B
# 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
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end
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def prepared_text
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simplified_text.strip
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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(prepared_text)
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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 simplified_text
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text.dup.tap do |new_text|
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new_text.gsub!(FetchLinkCardService::URL_PATTERN, '')
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new_text.gsub!(Account::MENTION_RE, '')
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new_text.gsub!(Tag::HASHTAG_RE, '')
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new_text.gsub!(/\s+/, ' ')
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end
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end
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def default_locale
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account&.user_locale&.to_sym || nil
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end
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end
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