From: Gentoo Arch <gentoocore@firemail.cc>
To: guile-user@gnu.org
Subject: Operate upon POST request with Guile webserver
Date: Wed, 17 Aug 2022 14:50:46 +0300 [thread overview]
Message-ID: <828eadbc-c2bf-c4ab-0833-96c55011d36c@firemail.cc> (raw)
Hi,
I'd like to ask for your advice.
I'm trying to figure out how Guile webserver works to develop a simple
BBS and I'm kinda stuck with POST request.
My Guile script generates a form on any path and the form sends to
"/post" path, where I can easily render content sent by the form.
(define (show-page request body)
(if (equal? (get-path request) ; get-path is my other function to retrieve the path
'("post"))
(values '((content-type . (text/plain)))
body)
(respond ; literally a respond template from webserver doc
`((h1 "Oops!")
(p (@ (id "test")) "The path: " ,(get-path request))
(form (@ (method "POST") (action "/post"))
(label (@ (for "test")) "Content: ")
(input (@ (id "test") (type "text") (name "content")))
(input (@ (type "submit") (value "Submit"))))))))
But I would like to operate upon the content the form sends like web
apps usually do: insert it in the database or simply write to file. So
my question is how I can proceed with something like that:
(define tf (open-file "test-file.txt" "a"))
(define (show-page request body)
(if (equal? (get-path request)
'("post"))
((values '((content-type . (text/plain)))
body)
(display body tf)); I'd like to write/append body to the file, but it does nothing
(respond
`((h1 "Oops!")
(p (@ (id "test")) "The path: " ,(get-path request))
(form (@ (method "POST") (action "/post"))
(label (@ (for "test")) "Content: ")
(input (@ (id "test") (type "text") (name "content")))
(input (@ (type "submit") (value "Submit"))))))))
If I remove (values), it does write to a file (with a complaint in
webserver output), but I'd also like to add some kind of redirect from
"/post" page after the script has written stuff to file and I can't use
two functions per response.
Could you please advise how I can achieve this functionality?
next reply other threads:[~2022-08-17 11:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-17 11:50 Gentoo Arch [this message]
2022-08-19 11:00 ` Operate upon POST request with Guile webserver Daniel Meißner
2022-08-20 12:03 ` Gentoo Arch
2022-08-21 19:47 ` Ricardo Wurmus
2022-08-21 20:03 ` Gentoo Arch
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