Method: Focuslight::Validator.validate_array

Defined in:
lib/focuslight/validator.rb

.validate_array(result, params, key_arg, spec) ⇒ Object



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# File 'lib/focuslight/validator.rb', line 71

def self.validate_array(result, params, key_arg, spec)
  key = key_arg.to_sym

  values = params[key]
  if spec.has_key?(:default)
    raise ArgumentError, "array parameter cannot have :default"
  end
  if spec[:excludable] && value.nil?
    result[key] = []
  end

  if spec.has_key?(:size)
    if (values.nil? || values.size == 0) && !spec[:size].include?(0)
      result.error(key, "not allowed for empty")
      return
    end
    if !spec[:size].include?(values.size)
      result.error(key, "doesn't have values specified: #{spec[:size]}")
      return
    end
  end

  unless values.is_a?(Array)
    values = [values]
  end

  rules = [spec[:rule]].flatten.compact

  error_values = []
  valid = true
  formatted_values = []

  values.each do |value|
    errors = []
    formatted = nil
    rules.each do |rule|
      if rule.check(value)
        formatted = rule.format(value)
      else
        result.error(key, rule.message)
        valid = false
      end
    end
    error_values += errors
    formatted_values.push(formatted) if formatted
  end

  if valid
    result[key] = formatted_values
  end
end