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;;; guix-web - Web interface for GNU Guix
;;; Copyright © 2014 David Thompson <davet@gnu.org>
;;;
;;; 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 web controller)
#:use-module (ice-9 match)
#:use-module (ice-9 regex)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:use-module (web request)
#:use-module (gnu packages)
#:use-module (guix web render)
#:use-module (guix web view html)
#:use-module (guix web view json)
#:use-module (guix web package)
#:export (controller))
(define extract-package-name
(let ((regexp (make-regexp "^(.*)\\.json$")))
(lambda (path-part)
(and=> (regexp-exec regexp path-part)
(cut match:substring <> 1)))))
(define controller
(match-lambda
((GET)
(redirect '("packages")))
((GET "packages")
(render-html (all-packages)))
((GET "packages.json")
(render-json (all-packages-json)))
((GET "package" (= extract-package-name (? string? name)))
(render-json (view-package-json name)))
((POST "packages" name "install")
(let ((package (car (find-packages-by-name name))))
(if (package-install package)
(created)
(unprocessable-entity))))
((GET "generations")
(render-json (generations-json)))
((GET "librejs")
(render-html (librejs)))
((GET path ...)
(render-static-asset path))))
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