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;;; Guix Data Service -- Information about Guix over time
;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2019 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-data-service web server)
#:use-module (srfi srfi-1)
#:use-module (web http)
#:use-module (web request)
#:use-module (web uri)
#:use-module (squee)
#:use-module (fibers web server)
#:use-module (guix-data-service web controller)
#:use-module (guix-data-service web util)
#:export (start-guix-data-service-web-server))
;; TODO This isn't exported for some reason
(define pg-conn-finish
(@@ (squee) pg-conn-finish))
(define (with-postgresql-connection paramstring f)
(let* ((conn (connect-to-postgres-paramstring paramstring)))
(dynamic-wind
(const #t)
(lambda ()
(f conn))
(lambda ()
(pg-conn-finish conn)))))
(define (run-controller controller request body)
(with-postgresql-connection
"dbname=guix_data_service"
(lambda (conn)
((controller request body conn)
(cons (request-method request)
(request-path-components request))))))
(define (handler request body controller)
(format #t "~a ~a\n"
(request-method request)
(uri-path (request-uri request)))
(apply values
(run-controller controller request body)))
(define (start-guix-data-service-web-server port)
(run-server (lambda (request body)
(handler request body controller))
#:addr INADDR_ANY
#:port port))
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