api_error.mustache

=begin
{{> api_info}}
=end

{{#useCustomTemplateCode}}
module Dropbox
end

{{/useCustomTemplateCode}}
module {{moduleName}}
  class ApiError < StandardError
{{^useCustomTemplateCode}}
    attr_reader :code, :response_headers, :response_body
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{{#useCustomTemplateCode}}
    attr_reader :code, :response_headers

    # @return [ErrorResponse]
    attr_accessor :response_body
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    # Usage examples:
    #   ApiError.new
    #   ApiError.new("message")
    #   ApiError.new(:code => 500, :response_headers => {}, :response_body => "")
    #   ApiError.new(:code => 404, :message => "Not Found")
    def initialize(arg = nil)
      if arg.is_a? Hash
        if arg.key?(:message) || arg.key?('message')
          super(arg[:message] || arg['message'])
        else
          super arg
        end

        arg.each do |k, v|
          instance_variable_set "@#{k}", v
        end
      else
        super arg
        @message = arg
      end
    end

    # Override to_s to display a friendly error message
    def to_s
      message
    end

    def message
      if @message.nil?
        msg = "Error message: the server returns an error"
      else
        msg = @message
      end

      msg += "\nHTTP status code: #{code}" if code
      msg += "\nResponse headers: #{response_headers}" if response_headers
      msg += "\nResponse body: #{response_body}" if response_body

      msg
    end
  end
end