Module: Validation::Rules

Included in:
Validator
Defined in:
lib/validation/rules.rb

Instance Method Summary collapse

Instance Method Details

#validates(field, callback, message) ⇒ Object 



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# File 'lib/validation/rules.rb', line 4

def validates(field, callback, message)
  @rules << {:callback => callback, :message => Error.new(field, message)}
end

#validates_confirmation_of(field, message = '') ⇒ Object 



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# File 'lib/validation/rules.rb', line 30

def validates_confirmation_of(field, message='')
  validates_presence_of(field, message)

  callback = lambda do |data|
    field_confirmation = data.fetch("#{field}_confirmation", nil)
    if field_confirmation == data[field]
      true
    else
      false
    end
  end
  validates(field, callback, message)
end

#validates_format_of(field, regex, message = '') ⇒ Object 



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# File 'lib/validation/rules.rb', line 44

def validates_format_of(field, regex, message='')
  validates_presence_of(field, message)

  callback = lambda do |data| 
    if data[field].to_s =~ regex
      true
    else
      false
    end
  end
  validates(field, callback, message)
end

#validates_greather_or_equal_then(field, number, message = '') ⇒ Object 



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# File 'lib/validation/rules.rb', line 74

def validates_greather_or_equal_then(field, number, message='')
  validates_numericality_of(field, message)
  callback = lambda do |data|
    if data[field] >= number
      true
    else
      false
    end
  end
  validates(field, callback, message)
end

#validates_greather_then(field, number, message = '') ⇒ Object 



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# File 'lib/validation/rules.rb', line 62

def validates_greather_then(field, number, message='')
  validates_numericality_of(field, message)
  callback = lambda do |data|
    if data[field] > number
      true
    else
      false
    end
  end
  validates(field, callback, message)
end

#validates_length_of_within(field, min, max, message = '') ⇒ Object 



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# File 'lib/validation/rules.rb', line 110

def validates_length_of_within(field, min, max, message='')
  validates_presence_of(field, message)
  callback = lambda do |data|
    length = data[field].length
    if length >= min && length <= max
      true
    else
      false
    end
  end
  validates(field, callback, message)
end

#validates_less_or_equal_then(field, number, message = '') ⇒ Object 



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# File 'lib/validation/rules.rb', line 98

def validates_less_or_equal_then(field, number, message='')
  validates_numericality_of(field, message)
  callback = lambda do |data|
    if data[field] <= number
      true
    else
      false
    end
  end
  validates(field, callback, message)
end

#validates_less_then(field, number, message = '') ⇒ Object 



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# File 'lib/validation/rules.rb', line 86

def validates_less_then(field, number, message='')
  validates_numericality_of(field, message)
  callback = lambda do |data|
    if data[field] < number
      true
    else
      false
    end
  end
  validates(field, callback, message)
end

#validates_numericality_of(field, message = '') ⇒ Object 



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# File 'lib/validation/rules.rb', line 57

def validates_numericality_of(field, message='')
  validates_presence_of(field, message)
  validates_format_of(field, /^\d+(\.\d+)?$/, message)
end

#validates_option_in(field, options, message = '') ⇒ Object 



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# File 'lib/validation/rules.rb', line 123

def validates_option_in(field, options, message='')
  validates_presence_of(field, message)
  callback = lambda do |data|
    if options.include? data[field]
      true
    else
      false
    end
  end
  validates(field, callback, message)
end

#validates_presence_of(field, message = '') ⇒ Object 



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# File 'lib/validation/rules.rb', line 19

def validates_presence_of(field, message='')
  callback = lambda do |data|
    if data.fetch(field, nil).to_s !~ /\A\s*\z/
      true
    else
      false
    end
  end
  validates(field, callback, message)
end

#validates_presence_of_field(field, message = '') ⇒ Object 



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# File 'lib/validation/rules.rb', line 8

def validates_presence_of_field(field, message='')
  callback = lambda do |data|
    if data.has_key?(field)
      true
    else
      false
    end
  end
  validates(field, callback, message)
end

#validates_url_format_of(field, message = '') ⇒ Object 



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# File 'lib/validation/rules.rb', line 135

def validates_url_format_of(field, message='')
  require 'uri'
  validates_presence_of(field, message)
  callback = lambda do |data|
    url = URI.parse(data[field]) rescue nil
    if url.nil?
      false
    else
      true
    end
  end
  validates(field, callback, message)
end