class PottyMouthValidator

this is not namespaced so that we can do

validates :body, potty_mouth: true

Public Class Methods

add_word_list(type, path) click to toggle source

# File lib/validates_potty_mouth/potty_mouth_validator.rb, line 35
def add_word_list(type, path)
  banned_word_lists[type.to_sym] = File.read(path).split("\n").map{|word| word.chomp.downcase}.to_set
end

banned_word_lists() click to toggle source

# File lib/validates_potty_mouth/potty_mouth_validator.rb, line 31
def banned_word_lists
  @lists ||= Hash.new { Set.new }
end

Public Instance Methods

banned?(value) click to toggle source

# File lib/validates_potty_mouth/potty_mouth_validator.rb, line 14
def banned?(value)
  text = value.gsub(/[\W\d]/, ' ') # get rid of non-letters
  words = text.split.to_set
  words.any?{|word| banned_word?(word)}
end

banned_word?(word) click to toggle source

# File lib/validates_potty_mouth/potty_mouth_validator.rb, line 20
def banned_word?(word)
  down_word = word.downcase
  banned_word_list.include?(down_word) ||
    banned_word_list.include?(down_word.stem)
end

banned_word_list() click to toggle source

# File lib/validates_potty_mouth/potty_mouth_validator.rb, line 26
def banned_word_list
  self.class.banned_word_lists[options.fetch(:list, :default)]
end

validate_each(record, attribute, value) click to toggle source

# File lib/validates_potty_mouth/potty_mouth_validator.rb, line 6
def validate_each(record, attribute, value)
  return true if value.blank?

  if banned?(value)
    record.errors[attribute] << options.fetch(:message, "contains objectionable content")
  end
end