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;;; Copyright © 2015 David Thompson <davet@gnu.org>
;;; Copyright © 2016 Christopher Allan Webber <cwebber@dustycloud.org>
;;; Copyright © 2023 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
;;;
;;; This file is based on haunt/builder/blog.scm,
;;; haunt/reader/commonmark.scm and tests/post.scm and from Haunt
;;; 2.6.0.
;;;
;;; This file is free software; you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License as published
;;; by the Free Software Foundation; either version 3 of the License,
;;; or (at your option) any later version.
;;;
;;; Haunt 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
;;; General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Haunt. If not, see <http://www.gnu.org/licenses/>.
(define-module (website builders replicant-blog)
#:use-module (commonmark)
#:use-module (haunt artifact)
#:use-module (haunt builder assets)
#:use-module (haunt html)
#:use-module (haunt post)
#:use-module (haunt site)
#:use-module (haunt utils)
#:use-module (ice-9 match)
#:use-module (ice-9 rdelim)
#:use-module (srfi srfi-9)
#:use-module (srfi srfi-19)
#:export (replicant-blog-website))
(define-record-type <theme>
(make-theme name layout post-template collection-template)
theme?
(name theme-name)
(layout theme-layout)
(post-template theme-post-template)
(collection-template theme-collection-template))
(define (replicant-layout site title body)
`((doctype "html")
(head
(meta (@ (charset "utf-8")))
(link
(@ (rel "stylesheet")
(href "static/twentyeleven-style-20231107.css")))
(title ,(string-append title " - " (site-title site))))
(body
(header
(nav
(@ (id "access"))
(ul
(li (a (@ (href "https://www.replicant.us"))
"Home"))
(li (a (@ (href "https://blog.replicant.us"))
"Blog"))
(li (a (@ (href "https://redmine.replicant.us/projects/replicant/wiki"))
"Wiki"))
(li (a (@ (href "https://redmine.replicant.us/projects/replicant/issues"))
"Tracker"))
(li (a (@ (href "https://redmine.replicant.us/projects/replicant/boards"))
"Forums")))))
,body)))
(define (replicant-default-post-template post)
`((h1 (@ (id "title")) ,(post-ref post 'title))
(div (@ (id "post-content")) ,(post-sxml post))))
(define (replicant-default-collection-template site title posts prefix)
(define (post-uri post)
(string-append (or prefix "") "/"
(site-post-slug site post) ".html"))
`((h3 ,title)
(ul
,@(map (lambda (post)
`(li
(a (@ (href ,(post-uri post)))
,(post-ref post 'title))))
posts))))
(define* (theme #:key
(name "Replicant")
(layout replicant-layout)
(post-template replicant-default-post-template)
(collection-template replicant-default-collection-template))
(make-theme name layout post-template collection-template))
(define (with-layout theme site title body)
((theme-layout theme) site title body))
(define (render-post theme site post)
(let ((title (post-ref post 'title))
(body ((theme-post-template theme) post)))
(with-layout theme site title body)))
(define (render-collection theme site title posts prefix)
(let ((body ((theme-collection-template theme) site title posts prefix)))
(with-layout theme site title body)))
(define (date->string* date)
"Convert DATE to human readable string."
(date->string date "~a ~d ~B ~Y"))
(define replicant-theme
(theme #:name "Replicant"
#:layout replicant-layout
#:post-template replicant-default-post-template
#:collection-template replicant-default-collection-template))
(define* (replicant-blog-website #:key (theme replicant-theme) prefix
(collections
`(("" "index.html" ,posts/reverse-chronological))))
"Return a procedure that transforms a list of posts into pages
decorated by THEME, whose URLs start with PREFIX."
(define (make-file-name base-name)
(if prefix
(string-append prefix "/" base-name)
base-name))
(lambda (site posts)
(define (post->page post)
(let ((base-name (string-append (site-post-slug site post)
".html")))
(serialized-artifact (make-file-name base-name)
(render-post theme site post)
sxml->html)))
(define collection->page
(match-lambda
((title file-name filter)
(serialized-artifact (make-file-name file-name)
(render-collection theme site title (filter posts) prefix)
sxml->html))))
(append (map post->page posts)
(map collection->page collections))))
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