Class: ComponentValidator

Inherits:
ActiveModel::EachValidator
  • Object
show all
Defined in:
lib/decidim/component_validator.rb

Overview

A custom validator to make sure components are correctly assigned to a model.

Adds a presence validation and checks that the manifest is the correct one.

Instance Method Summary collapse

Instance Method Details

#check_validity! ⇒ Object

Validates the arguments passed to the validator.

Raises:

  • (ArgumentError) 


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# File 'lib/decidim/component_validator.rb', line 8

def check_validity!
  raise ArgumentError, "You must include a `manifest` option with the name of the manifest to validate when validating a component" if options[:manifest].blank?
end

#validate_each(record, attribute, component) ⇒ Object

The actual validator method. It is called when ActiveRecord iterates over all the validators.



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# File 'lib/decidim/component_validator.rb', line 14

def validate_each(record, attribute, component)
  unless component
    record.errors.add(attribute, :blank)
    return
  end

  record.errors.add(attribute, :invalid) if component.manifest_name.to_s != options[:manifest].to_s
end