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(defpackage #:weekend.client.ps
(:use #:cl)
(:import-from #:flatbind #:do>)
(:local-nicknames
(#:wknd #:weekend)
(#:a #:alexandria-2))
(:export #:generate))
(in-package #:weekend.client.ps)
;; this function largely mirrors the implementation of construct-route-builder
(defun generate (class)
(when (symbolp class) (setf class (find-class class)))
(let*
((args
(mapcar (a:compose #'intern #'string)
(wknd:class-initargs class)))
(parts
(loop
:for part :in (wknd:route-builder-parts class)
:when (or (stringp part) (characterp part))
:collect part
:else
:collect (intern (string part))))
(method
(wknd:request-method class))
(body
(when (wknd:body-expected-p method)
`(ps:chain -J-S-O-N
(stringify
(ps:create
,@(loop :for arg :in args
:collect arg :collect arg))))))
(url-param-names
(unless (wknd:body-expected-p method)
(set-difference args parts :test 'eq)))
(url-params
(when url-param-names
(cons "?"
(loop :for (param . more) :on url-param-names
:collect (string param)
:collect "="
:collect param
:when more
:collect "&")))))
`(defun ,(class-name class) ,args
(fetch (+ ,@parts ,@url-params)
(ps:create
method ,(string method)
cache "no-cache"
headers (ps:create "Content-Type" "application/json")
redirect "follow"
,@(when body (list 'body body)))))))
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