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;;; Guix QA Frontpage
;;;
;;; Copyright © 2022 Christopher Baines <mail@cbaines.net>
;;;
;;; This program is free software: you can redistribute it and/or
;;; modify it under the terms of the GNU Affero General Public License
;;; as published by the Free Software Foundation, either version 3 of
;;; the License, or (at your option) any later version.
;;;
;;; This program is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;; Affero General Public License for more details.
;;;
;;; You should have received a copy of the GNU Affero General Public
;;; License along with this program. If not, see
;;; <http://www.gnu.org/licenses/>.
(define-module (guix-qa-frontpage server)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-71)
#:use-module (ice-9 match)
#:use-module (web http)
#:use-module (web request)
#:use-module (web uri)
#:use-module (system repl error-handling)
#:use-module (fibers web server)
#:use-module (guix store)
#:use-module (guix-data-service web util)
#:use-module (guix-qa-frontpage database)
#:use-module (guix-qa-frontpage patchwork)
#:use-module (guix-qa-frontpage guix-data-service)
#:use-module (guix-qa-frontpage view util)
#:use-module (guix-qa-frontpage view home)
#:use-module (guix-qa-frontpage view issue)
#:export (start-guix-qa-frontpage-web-server))
(define (make-controller assets-directory database)
(define handle-static-assets
(if (string-prefix? (%store-prefix)
assets-directory)
(static-asset-from-store-renderer assets-directory)
(static-asset-from-directory-renderer assets-directory)))
(lambda (request
method-and-path-components
mime-types
body)
(define path
(uri-path (request-uri request)))
(match method-and-path-components
(('GET)
(render-html
#:sxml (home)))
(('GET "assets" rest ...)
(or (handle-static-assets (string-join rest "/")
(request-headers request))
(not-found (request-uri request))))
(('GET "issue" number)
(let* ((series (assq-ref (with-sqlite-cache
database
'latest-patchwork-series-by-issue
latest-patchwork-series-by-issue
#:ttl 1200)
(string->number number)))
(derivation-changes
change-details
(with-sqlite-cache
database
'derivation-changes
patch-series-derivation-changes
#:args
(list (patch-series-derivation-changes-url series))
#:ttl 6000)))
(render-html
#:sxml (issue-view number
series
derivation-changes
change-details))))
((method path ...)
(render-html
#:sxml (general-not-found
"Page not found"
"")
#:code 404)))))
(define (handler request body controller)
(display
(format #f "~a ~a\n"
(request-method request)
(uri-path (request-uri request))))
(call-with-error-handling
(lambda ()
(let-values (((request-components mime-types)
(request->path-components-and-mime-type request)))
(controller request
(cons (request-method request)
request-components)
mime-types
body)))
#:on-error 'backtrace
#:post-error (lambda args
(render-html #:sxml (error-page args)
#:code 500))))
(define* (start-guix-qa-frontpage-web-server port host assets-directory
database)
(define controller
(make-controller assets-directory database))
(call-with-error-handling
(lambda ()
(run-server (lambda (request body)
(apply values (handler request body controller)))
#:host host
#:port port))
#:on-error 'backtrace
#:post-error (lambda (key . args)
(when (eq? key 'system-error)
(match args
(("bind" "~A" ("Address already in use") _)
(simple-format
(current-error-port)
"\n
error: guix-data-service could not start, as it could not bind to port ~A
Check if it's already running, or whether another process is using that
port. Also, the port used can be changed by passing the --port option.\n"
port)))))))
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