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;;; GuixSD website --- GNU's advanced distro website
;;; Copyright © 2016 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GuixSD website.
;;;
;;; GuixSD website 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.
;;;
;;; GuixSD website 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 GuixSD website. If not, see <http://www.gnu.org/licenses/>.
(define-module (www news)
#:use-module (www utils)
#:use-module (www shared)
#:use-module (haunt site)
#:use-module (haunt post)
#:use-module (haunt builder blog)
#:use-module (srfi srfi-19)
#:export (post-url
%news-haunt-theme))
(define (post-url post site)
"Return the URL of POST, a Haunt blog post, for SITE."
(base-url (string-append "news/" (site-post-slug site post) ".html")))
(define* (post->sxml post #:key post-uri)
"Return the SXML for POST."
`(div (h2 (@ (class "title"))
,(if post-uri
`(a (@ (href ,post-uri))
,(post-ref post 'title))
(post-ref post 'title)))
(div (@ (class "post-about"))
,(post-ref post 'author)
" — " ,(date->string (post-date post) "~B ~e, ~Y"))
(div (@ (class "post-body"))
,(post-sxml post))))
(define (news-page-sxml site title posts prefix)
"Return the SXML for the news page of SITE, containing POSTS."
`((div (@ (class "news-header"))
(h1 "Recent News "
(a (@ (href ,(base-url "news/feed.xml")))
(img (@ (alt "Atom feed")
(src ,(image-url "feed.png")))))))
(div (@ (class "post-list"))
,@(map (lambda (post)
(post->sxml post #:post-uri (post-url post site)))
posts))))
(define (base-layout body)
`((doctype "html")
(html (@ (lang "en"))
,(html-page-header "News" #:css "news.css")
(body
,(html-page-description)
,(html-page-links)
(div (@ (id "content-box"))
(article ,body))
,(html-page-footer)))))
(define %news-haunt-theme
;; Theme for the rendering of the news pages.
(theme #:name "GuixSD"
#:layout (lambda (site title body)
(base-layout body))
#:post-template post->sxml
#:collection-template news-page-sxml))
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