Contents

module LazyResource
  class Request < Typhoeus::Request
    SUCCESS_STATUSES = [200, 201]

    attr_accessor :resource, :response

    def initialize(url, resource, options={})
      options = options.dup
      options[:headers] ||= {}
      options[:headers][:Accept] ||= 'application/json'
      options[:headers].merge!(Thread.current[:default_headers]) unless Thread.current[:default_headers].nil?
      options[:method] ||= :get

      super(url, options)

      @resource = resource
      self.on_complete = on_complete_proc

      self
    end

    def on_complete_proc
      Proc.new do |response|
        @response = response
        handle_errors unless SUCCESS_STATUSES.include?(@response.code)
        parse
      end
    end

    def parse
      unless self.response.body.nil? || self.response.body == ''
        @resource.load(JSON.parse(self.response.body))
      end
    end

    def handle_errors
      case @response.code
      when 300...400
        raise Redirection.new(@response)
      when 400
        raise BadRequest.new(@response)
      when 401
        raise UnauthorizedAccess.new(@response)
      when 403
        raise ForbiddenAccess.new(@response)
      when 404
        raise ResourceNotFound.new(@response)
      when 405
        raise MethodNotAllowed.new(@response)
      when 409
        raise ResourceConflict.new(@response)
      when 410
        raise ResourceGone.new(@response)
      when 422
        raise UnprocessableEntity.new(@response)
      when 400...500
        raise ClientError.new(@response)
      when 500...600
        raise ServerError.new(@response)
      end
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
lazy_resource-0.3.0	lib/lazy_resource/request.rb
lazy_resource-0.2.0	lib/lazy_resource/request.rb
lazy_resource-0.1.0	lib/lazy_resource/request.rb