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blob 54a975fdf48cf5d9a2bb87bc78c8ecb95d8b855b 2929 bytes (raw)
name: website/apps/i18n.scm 	 # note: path name is non-authoritative(*)

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;;; GNU Guix web site
;;; Copyright © 2019 Florian Pelz <pelzflorian@pelzflorian.de>
;;;
;;; This file is part of the GNU Guix web site.
;;;
;;; The GNU Guix web site 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.
;;;
;;; The GNU Guix web site 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 the GNU Guix web site.  If not, see <http://www.gnu.org/licenses/>.

(define-module (apps i18n)
  #:use-module (haunt page)
  #:use-module (haunt utils)
  #:use-module (ice-9 match)
  #:use-module (srfi srfi-1)
  #:export (G_
            %current-lingua
            builder->localized-builder
            builders->localized-builders))

(define %gettext-domain
  "guix-website")

(bindtextdomain %gettext-domain (getcwd))
(bind-textdomain-codeset %gettext-domain "UTF-8")
(textdomain %gettext-domain)

(define* (G_ msg msgctxt)
  (if msgctxt
      (gettext (string-append msgctxt "|" msg) %gettext-domain)
      (gettext msg %gettext-domain)))

(define <page>
  (@@ (haunt page) <page>))

(define %current-lingua
  (make-fluid "en_US"))

(define (first-value arg)
  "For some reason the builder returned by static-directory returns
multiple values.  This procedure is used to retain only the first
return value.  TODO THIS SHOULD NOT BE NECESSARY I THINK"
  arg)

(define (builder->localized-builder builder lingua)
  (compose
   (lambda (pages)
     (map
      (lambda (page)
        (match page
          (($ <page> file-name contents writer)
           (if (string-suffix? ".html" file-name)
               (let* ((base (string-drop-right
                             file-name
                             (string-length ".html")))
                      (new-name (string-append base
                                               "."
                                               lingua
                                               ".html")))
                 (make-page new-name contents writer))
               page))
          (else page)))
      pages))
   (lambda (site posts)
     (begin
       (setlocale LC_ALL (string-append lingua ".utf8"))
       (with-fluid*
           %current-lingua lingua
           (lambda _
             (begin
               (first-value (builder site posts)))))))))

(define (builders->localized-builders builders linguas)
  (flatten
   (map-in-order
    (lambda (builder)
      (map-in-order
       (lambda (lingua)
         (builder->localized-builder builder lingua))
       linguas))
    builders)))

debug log:

solving 54a975f ...
found 54a975f in https://yhetil.org/guix-devel/20190718150836.kzf2tmbtng5l42ta@pelzflorian.localdomain/

applying [1/1] https://yhetil.org/guix-devel/20190718150836.kzf2tmbtng5l42ta@pelzflorian.localdomain/
diff --git a/website/apps/i18n.scm b/website/apps/i18n.scm
new file mode 100644
index 0000000..54a975f

Checking patch website/apps/i18n.scm...
Applied patch website/apps/i18n.scm cleanly.

index at:
100644 54a975fdf48cf5d9a2bb87bc78c8ecb95d8b855b	website/apps/i18n.scm

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