Module: Mongoid::TextSearch::KeywordGenerator

Extended by:
KeywordGenerator
Included in:
KeywordGenerator
Defined in:
lib/mongoid_text_search/keyword_generator.rb

Constant Summary collapse

Separator = 
" "
StripPunctuationRegex = 
/[^a-zA-Z0-9]/
PunctuationReplacement = 
""
IgnoredWords = 
[
]

Instance Method Summary collapse

Instance Method Details

#clean_keywords(field) ⇒ Object 



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# File 'lib/mongoid_text_search/keyword_generator.rb', line 10

def clean_keywords(field)
  clean_keywords = []
  keywords = []
  if field.is_a?(String)
    keywords = field.squeeze(Separator).split(Separator)
  elsif field.is_a?(Array)
    keywords = field
  end
  for keyword in keywords
    if keyword.is_a?(String)
      clean_keyword = keyword.downcase
      clean_keyword.strip!
      clean_keyword.gsub!(StripPunctuationRegex, PunctuationReplacement)
      if clean_keyword.size > 2 && !IgnoredWords.include?(clean_keyword) && !clean_keywords.include?(clean_keyword)
        clean_keywords << clean_keyword
      end
    end
  end
  return clean_keywords
end