Class: Waw::Validation::DateTimeValidator

Inherits:
Validator show all
Defined in:
lib/waw/validation/datetime_validator.rb

Instance Method Summary collapse

Methods inherited from Validator

#&, #===, #=~, #not, #|

Methods included from Helpers

#all_missing?, #any_missing?, #argument_safe, #error, #is_missing?, #missings_to_nil, #no_missing?, #to_validator

Constructor Details

#initialize(options = {}) ⇒ DateTimeValidator

Creates a validator instance with options



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# File 'lib/waw/validation/datetime_validator.rb', line 8

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

Instance Method Details

#convert_and_validate(*values) ⇒ Object 



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# File 'lib/waw/validation/datetime_validator.rb', line 38

def convert_and_validate(*values)
  date = seems_a_date?(values[0])
  if date.nil?
    [false, values]
  else
    if time = seems_a_time?(values[1], date)
      [true, [date, time]]
    else
      [false, values]
    end
  end
end

#date_format ⇒ Object 



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# File 'lib/waw/validation/datetime_validator.rb', line 12

def date_format
  @options[:date_format] || '%Y/%m/%d'
end

#seems_a_date?(value) ⇒ Boolean

Returns a Date object if value seems a date, nil otherwise

Returns:



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# File 'lib/waw/validation/datetime_validator.rb', line 17

def seems_a_date?(value)
  Date.strptime(value.to_s, date_format)
rescue ArgumentError => ex
  nil
end

#seems_a_time?(value, date) ⇒ Boolean

Returns a Date object if value seems a date, nil otherwise

Returns:



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# File 'lib/waw/validation/datetime_validator.rb', line 24

def seems_a_time?(value, date)
  if value.to_s.empty?
    false
  else
    Time.parse(value.to_s, date)
  end
rescue ArgumentError => ex
  nil
end

#validate(*values) ⇒ Object 



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# File 'lib/waw/validation/datetime_validator.rb', line 34

def validate(*values)
  convert_and_validate(*values)[0]
end