Module: Tzispa::Helpers::Text

Defined in:
lib/tzispa/helpers/text.rb

Instance Method Summary collapse

Instance Method Details

#amount(number, options = {}) ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 93

def amount(number, options = {})
  if number.nil? && options[:nil_as_dash] != false
    '–'
  elsif number.zero? && options[:zero_as_dash]
    '–'
  else
    precision = options[:precision]
    if precision
      options[:minimum_precision] = precision unless options[:minimum_precision]
      options[:maximum_precision] = precision unless options[:maximum_precision]
    end

    number = number.round if options[:round]
    separator = options.fetch(:separator, I18n.t('number.currency.format.separator'))
    delimiter = options.fetch(:delimiter, I18n.t('number.currency.format.delimiter')).to_s
    minimum_precision = options[:minimum_precision] || 0
    str = number.is_a?(BigDecimal) ? number.to_s('F').sub(/\.0+\z/, "") : number.to_s.sub(/\.0+\z/, "")
    str =~ /\A(\-?)(\d+)(?:\.(\d+))?\z/ or raise "Could not parse number: #{number}"
    sign = $1
    integer = $2
    fraction = ($3 || '')

    if options[:maximum_precision]
      fraction = fraction[0, options[:maximum_precision]] if options[:maximum_precision]
    end


    if fraction.length > 0 && minimum_precision > 0
      fraction = "#{fraction}#{'0' * [0, minimum_precision - fraction.length].max}"
    elsif minimum_precision == 0 && fraction.length > 0 && fraction.to_i == 0
      fraction = ''
    end

    # the following two lines appear to be the most performant way to add a delimiter to every thousands place in the number
    integer_size = integer.size
    (1..((integer_size-1) / 3)).each {|x| integer[integer_size-x*3,0] = delimiter}
    str = integer.chomp(delimiter)

    # add fraction
    str << "#{separator}#{fraction}" if fraction.length > 0

    # restore sign
    str = "#{sign}#{str}"
    # add unit if given
    if options[:unit]
      unless options[:unit_separator] == false
        str << options.fetch(:unit_separator, ' ')
      end
      str << options[:unit]
    end
    str
  end
end

#html_unscape(str) ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 49

def html_unscape(str)
  CGI::unescapeHTML(str.strip) if str && !str.strip.empty?
end

#join_to_nil(ary, separator) ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 57

def join_to_nil(ary, separator)
  ary.join(separator) if ary and not ary.empty?
end

#mime_formatter(text, mime) ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 155

def mime_formatter(text, mime)
  case mime
  when 'text/x-markdown'
    Redcarpet::Markdown.new(Redcarpet::Render::HTML.new).render(text) if text
  else
    text
  end
end

#money_amount(number, options = {}) ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 147

def money_amount(number, options = {})
  amount(number, options.merge(:unit => I18n.t('number.currency.format.unit'), :nil_as_dash => false, :precision => I18n.t('number.currency.format.precision'), minimum_precision: 0))
end

#price_amount(number, options = {}) ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 151

def price_amount(number, options = {})
  amount(number, options.merge(:nil_as_dash => false, :precision => I18n.t('number.currency.format.precision'), minimum_precision: 0))
end

#remove_parenthesized_text(text) ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 25

def remove_parenthesized_text(text)
  text.gsub(/\([^\)]*\)/, '')
end

#remove_phrases(text, removable) ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 18

def remove_phrases(text, removable)
  removable.each { |phrase|
    text.slice! phrase
  }
  text
end

#remove_words(sentence, removable) ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 14

def remove_words(sentence, removable)
  sentence.split.delete_if{|x| removable.include?(UnicodeUtils.downcase x)}.join(' ')
end

#split_to_array(str, separator = ';') ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 53

def split_to_array(str, separator=';')
  str.split(separator) if str
end

#starinizer(rating, star_value, max_stars) ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 164

def starinizer(rating, star_value, max_stars)
  Hash.new.tap { |stars|
    stars[:full] = rating / star_value
    stars[:half] = rating % star_value
    stars[:o] = max_stars - stars[:full] - stars[:half]
  }
end

#str_to_amount(str, options = {}) ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 82

def str_to_amount(str, options = {})
  if str && !str.strip.empty?
    separator = options.fetch(:separator, I18n.t('number.currency.format.separator'))
    precision = options.fetch(:precision, I18n.t('number.currency.format.precision'))
    re = Regexp.new "[^\\d\\#{separator}\\-]"
    str = str.gsub(re, '')
    str = str.gsub(separator, '.') if separator != '.'
    BigDecimal.new(str).round(precision).to_s('F')
  end
end

#str_to_bool(str, strue = nil) ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 61

def str_to_bool(str, strue=nil)
  strue ? (strue == str) : (str == 'yes' || str == 'true')
end

#str_to_date(str, format = nil) ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 65

def str_to_date(str, format=nil)
  begin
    Date.strptime(str, format || I18n.t('date.formats.default')) if str
  rescue
    nil
  end
end

#str_to_datetime(str, format = nil) ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 73

def str_to_datetime(str, format=nil)
  begin
    result = DateTime.strptime(str, format || I18n.t('time.formats.default'))
  rescue
    result = nil
  end
  result
end

#strip_to_nil(str, transform = nil) ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 36

def strip_to_nil(str, transform = nil)
  sstr = str.strip if str and not str.strip.empty?
  case transform
    when :upcase then
       UnicodeUtils.upcase(sstr)
    when :downcase then
       UnicodeUtils.downcase(sstr)
    when :titlecase then
       UnicodeUtils.titlecase(sstr)
    else sstr
  end
end

#synonymize(sentence, synonyms) ⇒ Object 



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# File 'lib/tzispa/helpers/text.rb', line 29

def synonymize(sentence, synonyms)
  sentence.gsub(/[[:alnum:]]+/) {|word|
    dwword = UnicodeUtils.downcase word
    synonyms.has_key?(dwword) ? synonyms[dwword] : word
  }
end