Class: TimeField

Inherits:
Object
  • Object
show all
Defined in:
lib/mongoid_time_field/time_field.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ TimeField

Returns a new instance of TimeField.



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# File 'lib/mongoid_time_field/time_field.rb', line 2

def initialize(options = {})
  @options = options

  @options[:format] = 'hh?:mm:SS' unless options[:format]
  @options[:regexp] = build_regexp(options[:format]) unless options[:regexp]
end

Instance Method Details

#build_regexp(format) ⇒ Object 



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# File 'lib/mongoid_time_field/time_field.rb', line 9

def build_regexp(format)
  s = '^' + Regexp.escape(format) + '$'
  s.gsub!('hh\?', '(?<h>\d*?)')
  s.gsub!(':', ':?')
  s.gsub!('-', '-?')
  s.gsub!('_', '_?')

  s.gsub!('HH', '(?<h>\d*?)')
  s.gsub!('hh', '(?<h>\d*?)')
  s.gsub!('MM', '(?<m>\d*)')
  s.gsub!('mm', '(?<m>\d*)')
  s.gsub!('SS', '(?<s>\d*)')
  Regexp.new(s)
end

#demongoize(object) ⇒ Object

Get the object as it was stored in the database, and instantiate this custom class from it.



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# File 'lib/mongoid_time_field/time_field.rb', line 52

def demongoize(object)
  if object.nil?
    nil
  else
    case object
      when String then parse(object)
      when Integer then Mongoid::TimeField::Value.new(object, @options)
      when Fixnum then Mongoid::TimeField::Value.new(object, @options)
      else object
    end
  end
end

#evolve(object) ⇒ Object

Converts the object that was supplied to a criteria and converts it into a database friendly form.



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# File 'lib/mongoid_time_field/time_field.rb', line 77

def evolve(object)
  case object
  when String then parse(object).mongoize
  when Mongoid::TimeField::Value then object.mongoize
  else object
  end
end

#mongoize(object) ⇒ Object

Takes any possible object and converts it to how it would be stored in the database.



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# File 'lib/mongoid_time_field/time_field.rb', line 67

def mongoize(object)
  case object 
  when Mongoid::TimeField::Value then object.mongoize
  when String then parse(object).mongoize
  else object
  end
end

#parse(value) ⇒ Object 



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# File 'lib/mongoid_time_field/time_field.rb', line 24

def parse(value)
  if value.blank?
    nil
  elsif value.to_i.to_s == value
    if @options[:format].index('SS').nil?
      Mongoid::TimeField::Value.new(value.to_i * 60, @options)
    else
      Mongoid::TimeField::Value.new(value.to_i, @options)
    end
  else
    match = @options[:regexp].match(value.strip)
    if match.nil?
      nil
    else
      seconds = 0
      names = match.names

      seconds += match['s'].to_i        if names.include?('s')
      seconds += match['m'].to_i * 60   if names.include?('m')
      seconds += match['h'].to_i * 3600 if names.include?('h')

      Mongoid::TimeField::Value.new(seconds, @options)
    end
  end
end