Class: Surveyor::Common

Inherits:
Object
  • Object
show all
Defined in:
lib/surveyor/common.rb

Constant Summary collapse

OPERATORS = 
%w(== != < > <= >= =~)

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.csv_impl ⇒ Class

Loads and uses either ‘FasterCSV` (for Ruby 1.8) or the stdlib `CSV` (for Ruby 1.9+).

Returns:

  • (Class) —

    either ‘CSV` for `FasterCSV`.



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# File 'lib/surveyor/common.rb', line 48

def csv_impl
  @csv_impl ||= if RUBY_VERSION < '1.9'
                   require 'fastercsv'
                   FasterCSV
                 else
                   require 'csv'
                   CSV
                 end
end

.generate_api_id ⇒ Object 



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# File 'lib/surveyor/common.rb', line 37

def generate_api_id
  UUIDTools::UUID.random_create.to_s
end

.to_normalized_string(text) ⇒ Object Also known as: normalize 



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# File 'lib/surveyor/common.rb', line 24

def to_normalized_string(text)
  words_to_omit = %w(a be but has have in is it of on or the to when)
  col_text = text.to_s.gsub(/(<[^>]*>)|\n|\t/su, ' ') # Remove html tags
  col_text.downcase!                            # Remove capitalization
  col_text.gsub!(/\"|\'/u, '')                   # Remove potential problem characters
  col_text.gsub!(/\(.*?\)/u,'')                  # Remove text inside parens
  col_text.gsub!(/\W/u, ' ')                     # Remove all other non-word characters
  cols = (col_text.split(' ') - words_to_omit)
  (cols.size > 5 ? cols[-5..-1] : cols).join("_")
end

Instance Method Details

#make_tiny_code ⇒ Object 



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# File 'lib/surveyor/common.rb', line 10

def make_tiny_code
  # 7 random bytes is increased to ~10 characters (sans padding) by
  # base64 encoding
  SecureRandom.urlsafe_base64(7)
end