Class: Fulcrum::FormValidator

Inherits:
BaseValidator show all
Defined in:
lib/fulcrum/validators/form_validator.rb

Constant Summary collapse

TYPES = 
%w(
  TextField
  ChoiceField
  ClassificationField
  PhotoField
  DateTimeField
  Section
)

Instance Attribute Summary

Attributes inherited from BaseValidator

#data, #errors

Instance Method Summary collapse

Methods inherited from BaseValidator

#add_error, #initialize, #valid?

Constructor Details

This class inherits a constructor from Fulcrum::BaseValidator

Instance Method Details

#conditional(element) ⇒ Object 



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# File 'lib/fulcrum/validators/form_validator.rb', line 110

def conditional(element)

  operators = case element[:type]
  when 'ChoiceField', 'ClassificationField'
    %w(equal_to not_equal_to is_empty is_not_empty)
  else
    %w(equal_to not_equal_to contains starts_with greater_than less_than is_empty is_not_empty)
  end

  %w(required_conditions visible_conditions).each do |field|

    if type = element["#{field}_type"]
      add_error(key, "#{field}_type", 'is not valid') unless %(any all).include?(type)
    end

    if element[field]
      if element[field].is_a?(Array)
        element[field].each do |condition|

          if key = condition[:field_key]
            add_error(key, field, "key #{key} does not exist on the form") unless @items.keys.include?(key)
            add_error(key, field, "operator for #{key} is invalid") unless operators.include?(condition[:operator])

            if %w(is_empty is_not_empty).include?(condition[:operator]) && condition[:value].present?
              add_error(key, field, 'value cannot be blank')
            end
          else
            add_error(key, field, 'field key must exist for condition')
          end

        end
      else
        add_error(key, field, 'must be an array object')
      end
    end
  end

  conditionals(element[:elements]) if element[:type] == 'Section'
end

#conditionals(elements) ⇒ Object 



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# File 'lib/fulcrum/validators/form_validator.rb', line 106

def conditionals(elements)
  elements.each { |element| conditional(element) }
end

#field(element) ⇒ Object 



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# File 'lib/fulcrum/validators/form_validator.rb', line 45

def field(element)
  if element.blank?
    add_error('elements', 'element', 'must not be empty')
  else
    if !element[:key]
      add_error('element', 'key', 'must exist and not be nil')
      return false
    end

    if @items.include?(element[:key])
      add_error(element[:key], :key, 'must be unique')
      return false
    end

    key = element[:key]
    @items[key] = element[:type]

    add_error(key, 'label', 'is required') if element[:label].blank?
    add_error(key, 'data_name', 'is required') if element[:data_name].blank?
    add_error(key, 'type', 'is not one of the valid types') unless TYPES.include?(element[:type])

    %w(disabled hidden required).each do |attrib|
      add_error(key, attrib, 'must be true or false') unless [true, false].include?(element[attrib])
    end

    case element[:type]

    when 'ClassificationField'
      if element[:classification_set_id]
        add_error(key, 'classification_set_id', 'is required') if element[:classification_set_id].blank?
      end

    when 'Section'
      if element['elements'].is_a?(Array)
        if element['elements'].any?
          fields(element['elements'])
        else
          add_error(key, 'elements', 'must contain additional elements')
        end
      else
        add_error(key, 'elements', 'must be an array object')
      end

    when 'ChoiceField'
      if element['choice_list_id']
        add_error(key, 'choice_list_id', 'is required') if element[:choice_list_id].blank?
      else
        if element['choices'].is_a?(Array) && !element['choices'].blank?
          element['choices'].each do |choice|
            unless choice.has_key?('label') && choice['label'].present?
              add_error('choices', 'label', 'contains an invalid label')
            end
          end
        else
          add_error(key, 'choices', 'must be a non-empty array')
        end
      end
    end
  end
end

#fields(elements) ⇒ Object 



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# File 'lib/fulcrum/validators/form_validator.rb', line 37

def fields(elements)
  if elements.kind_of?(Array) && !elements.empty?
    elements.each { |element| field(element) }
  else
    add_error('form', 'elements', 'must be a non-empty array')
  end
end

#form_elements ⇒ Object 



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# File 'lib/fulcrum/validators/form_validator.rb', line 13

def form_elements
  data['form']['elements']
end

#form_name ⇒ Object 



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# File 'lib/fulcrum/validators/form_validator.rb', line 17

def form_name
  data['form']['name']
end

#validate! ⇒ Object 



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# File 'lib/fulcrum/validators/form_validator.rb', line 21

def validate!
  @items  = {}
  if data[:form]
    if form_elements && !form_elements.empty?
      add_error('form', 'name', 'cannot be blank') if data[:form][:name].blank?
      fields(form_elements)
      conditionals(form_elements)
    else
      add_error('form', 'elements', 'must be a non-empty array')
    end
  else
    @errors['form'] = ['must exist and not be empty']
  end
  return valid?
end