class ViewModel::DeserializationError::Validation

def self.from_active_model(errors, node)
  causes = errors.messages.each_key.flat_map do |attr|
    errors.messages[attr].zip(errors.details[attr]).map do |message, details|
      self.new(attr.to_s, message, details, node)
    end
  end
  Collection.for_errors(causes)
end

def detail
  "Validation failed: '#{attribute}' #{reason}"
end

def initialize(attribute, reason, details, node)
  @attribute = attribute
  @reason    = reason
  @details   = details
  super([node])
end

def meta
  super.merge(attribute: attribute, message: reason, details: details)
end