Class: CommaSplice::OptionScorer

Inherits:
Object
  • Object
show all
Defined in:
lib/comma_splice/helpers/option_scorer.rb

Overview

scores options based on how likely they are to be correct

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(option, separator: ',') ⇒ OptionScorer

Returns a new instance of OptionScorer.



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# File 'lib/comma_splice/helpers/option_scorer.rb', line 6

def initialize(option, separator: ',')
  @option = option
  @start_score = 100
  @separator = separator
end

Instance Attribute Details

#option ⇒ Object (readonly)

Returns the value of attribute option.



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# File 'lib/comma_splice/helpers/option_scorer.rb', line 4

def option
  @option
end

Instance Method Details

#breakdown ⇒ Object 



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# File 'lib/comma_splice/helpers/option_scorer.rb', line 12

def breakdown
  score     = @start_score
  breakdown = []

  rules.each do |rule|
    rule_score = send(rule.to_sym)
    score += rule_score
    breakdown << "#{rule_score.to_s.ljust(3)} #{rule.to_sym}" if rule_score != 0
  end

  breakdown.unshift("score: #{score}")
end

#options_that_are_blank ⇒ Object 



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# File 'lib/comma_splice/helpers/option_scorer.rb', line 63

def options_that_are_blank
  option.select do |o|
    o.to_s.strip.blank?
  end.size * -5
end

#options_that_end_with_a_separator ⇒ Object 



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# File 'lib/comma_splice/helpers/option_scorer.rb', line 51

def options_that_end_with_a_separator
  option.select do |o|
    o.to_s.ends_with?(@separator)
  end.size * -5
end

#options_that_have_longest_comma_separated_number ⇒ Object 



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# File 'lib/comma_splice/helpers/option_scorer.rb', line 69

def options_that_have_longest_comma_separated_number
  # return 0 unless @separator == ','

  # favor items that have a longer comma separated number
  # i.e in the following example, option 1 should win
  # (1)    artist    : Half Japanese
  #        title     : 1,000,000,000 Kisses
  #        albumtitle: Beautiful Songs: The Best of Jad Fair & Half Japanese
  #        label     : Stillwater/Fire
  #
  #
  # (2)    artist    : Half Japanese,1,000,000
  #        title     : 000 Kisses
  #        albumtitle: Beautiful Songs: The Best of Jad Fair & Half Japanese
  #        label     : Stillwater/Fire
  #
  #
  # (3)    artist    : Half Japanese,1
  #        title     : 000,000,000 Kisses
  #        albumtitle: Beautiful Songs: The Best of Jad Fair & Half Japanese
  #        label     : Stillwater/Fire
  #
  #
  # (4)    artist    : Half Japanese,1,000
  #        title     : 000,000 Kisses
  #        albumtitle: Beautiful Songs: The Best of Jad Fair & Half Japanese
  #        label     : Stillwater/Fire

  option.collect do |o|
    result = o.to_s.scan(/\d{1,3}(?:,\d{1,3})*(?:\.\d+)?/)
    if result.size.positive? && result.first.index(',')
      result.join(',').size
    else
      0
    end
  end.max.to_i
end

#options_that_have_words_joined_by_separators ⇒ Object 



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# File 'lib/comma_splice/helpers/option_scorer.rb', line 57

def options_that_have_words_joined_by_separators
  option.select do |o|
    Regexp.new("[^0-9\\s]#{@separator}\\w").match(o.to_s) || Regexp.new("\\w#{@separator}[^0-9\\s]").match(o.to_s)
  end.compact.size * -5
end

#options_that_start_with_a_quote_followed_by_a_space ⇒ Object 



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# File 'lib/comma_splice/helpers/option_scorer.rb', line 39

def options_that_start_with_a_quote_followed_by_a_space
  option.select do |o|
    o.to_s.starts_with?('" ')
  end.size * -1
end

#options_that_start_with_a_separator ⇒ Object 



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# File 'lib/comma_splice/helpers/option_scorer.rb', line 45

def options_that_start_with_a_separator
  option.select do |o|
    o.to_s.starts_with?(@separator)
  end.size * -5
end

#options_that_start_with_a_space ⇒ Object 



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# File 'lib/comma_splice/helpers/option_scorer.rb', line 33

def options_that_start_with_a_space
  option.select do |o|
    o.to_s.starts_with?(' ')
  end.size * -10
end

#score ⇒ Object 



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# File 'lib/comma_splice/helpers/option_scorer.rb', line 25

def score
  score = @start_score
  rules.each do |rule|
    score += send(rule.to_sym)
  end
  score
end