On 05/17/2017 09:40 AM, Beau Simensen wrote:
On Wednesday, May 17, 2017 at 12:42:29 AM UTC-5, Rasmus Schultz wrote:
I think it's great that you're coming around to the idea, Woody :-)
But I am no longer trying to view this as an alternative to
PSR-15, because, assuming we standardize on that handler-interface
first, there is nothing about PSR-15 that prevents us from
exploring other options.
Indeed, if the end result of this discussion is extracting
DelegateInterface into its own proposal as its own handler interface
that can be used as the delegate in PSR-15, I'm happy with that.
I'm still a bit unclear on the "handler" as an uber-generic thing. Isn't
that entirely separate from what Woody described, which is a 3-part
pipeline? (Request modifiers, response modifiers, and request->response
mappers.)
I admit the 3-part pipeline is appealing, and I've considered it
before. I especially like that it keeps a shallower call stack.
However, the problem is conditional request modifiers. Eg, an Auth
modifier that may:
1) Add a user token to the request based on authentication.
2) Fail authentication and short circuit the entire pipeline with a
401/403 Response itself.
If the signature only allows returning a Request, then it can't do
that. It has to be a nested mapper instead and do the delegate approach
anyway. And if it's doing that anyway... what's the purpose of having
the separate modifiers if they can't be used half the time anyway?
I'm afraid I'm still confused here about what is being proposed and what
it solves...
--Larry Garfield
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