Rails ActiveResource 检测 HTTP 206 响应代码

Question

如何检测活动资源find()调用返回 HTTP 206 而不是典型的 HTTP 200？

我知道 ActiveResource 会为 HTTP 3xx-5xx 响应代码抛出各种异常，但是您如何确定您收到的 200 级响应代码？

Answer 1

请参阅活动资源响应，如何获取它们，了解如何获取线程的最后一个响应。 然后，您可以根据需要测试响应代码：

class MyConn < ActiveResource::Connection
  def handle_response(resp)
    # Store in thread (thanks fivell for the tip).
    # Use a symbol to avoid generating multiple string instances.
    Thread.current[:active_resource_connection_last_response] = resp
    super
  end
  # this is only a convenience method. You can access this directly from the current thread.
  def last_resp
    Thread.current[:active_resource_connection_last_response]
  end
end
class MyResource < ActiveResource::Base
  class << self
    attr_writer :connection
  end
end
myconn = MyConn.new MyResource.connection.site
MyResource.connection = myconn  # replace with our enhanced version
object = MyResource.find(id)
response_code = MyResource.last_resp.code