Class: ValidationProfiler::Rules::MinValidationRule

Inherits:
ValidationRule show all
Defined in:
lib/validation_profiler/rules/min_validation_rule.rb

Instance Method Summary collapse

Methods inherited from ValidationRule

#get_field_value, #is_required?

Instance Method Details

#error_message(field, attributes, parent = nil) ⇒ Object 



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# File 'lib/validation_profiler/rules/min_validation_rule.rb', line 5

def error_message(field, attributes, parent = nil)

  field_name = field.to_s
  if parent != nil
    field_name = "#{parent.to_s}.#{field.to_s}"
  end

  #check if a custom error message has been specified in the attributes
  if attributes[:message] == nil
    #no custom error message has been specified so create the default message.
    min = attributes[:value]
    "#{field_name} must have a minimum value of #{min}"
  else
    attributes[:message]
  end
end

#validate(obj, field, attributes, parent = nil) ⇒ Object 



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# File 'lib/validation_profiler/rules/min_validation_rule.rb', line 22

def validate(obj, field, attributes, parent = nil)

  min = attributes[:value]

  #verify the expected attributes have been specified.
  if min == nil
    raise ValidationProfiler::Exceptions::InvalidValidationRuleAttributes.new(ValidationProfiler::Rules::MinValidationRule, field)
  end

  #attempt to get the field value from the object
  field_value = get_field_value(obj, field)

  if !is_required?(field_value, attributes)
    return true
  end

  if field_value == nil
    return false
  end

  if field_value.is_a?(DateTime) || field_value.is_a?(Numeric)
    field_value >= min
  else
    raise ValidationProfiler::Exceptions::InvalidFieldType.new(ValidationProfiler::Rules::MinValidationRule, field)
  end

end