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;;; Copyright © 2018-2021 David Thompson <davet@gnu.org>
;;;
;;; This program 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.
;;;
;;; 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
;;; General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with this program. If not, see
;;; <http://www.gnu.org/licenses/>.
(define-module (theme)
#:use-module (haunt artifact)
#:use-module (haunt builder blog)
#:use-module (haunt html)
#:use-module (haunt post)
#:use-module (haunt site)
#:use-module (ice-9 match)
#:use-module (srfi srfi-19)
#:use-module (utils)
#:export (dthompson-theme
static-page
project-page))
(define %cc-by-sa-link
'(a (@ (href "https://creativecommons.org/licenses/by-sa/4.0/"))
"Creative Commons Attribution Share-Alike 4.0 International"))
(define %cc-by-sa-button
'(a (@ (class "cc-button")
(href "https://creativecommons.org/licenses/by-sa/4.0/"))
(img (@ (src "https://licensebuttons.net/l/by-sa/4.0/80x15.png")))))
(define (first-paragraph post)
(let loop ((sxml (post-sxml post))
(result '()))
(match sxml
(() (reverse result))
((or (('p ...) _ ...) (paragraph _ ...))
(reverse (cons paragraph result)))
((head . tail)
(loop tail (cons head result))))))
(define dthompson-theme
(theme #:name "dthompson"
#:layout
(lambda (site title body)
`((doctype "html")
(head
(meta (@ (charset "utf-8")))
(title ,(string-append title " — " (site-title site)))
(link (@ (rel "alternate")
(type "application/atom+xml")
(title "Atom feed")
(href "/feed.xml")))
,(stylesheet "reset")
,(stylesheet "fonts")
,(stylesheet "dthompson"))
(body
(div (@ (class "container"))
(div (@ (class "nav"))
(ul (li ,(link "David Thompson" "/"))
(li (@ (class "fade-text")) " ")
(li ,(link "About" "/about.html"))
(li ,(link "Blog" "/index.html"))
(li ,(link "Projects" "/projects.html"))))
,body
(footer (@ (class "text-center"))
(p (@ (class "copyright"))
"© 2022 David Thompson"
,%cc-by-sa-button)
(p "The text and images on this site are
free culture works available under the " ,%cc-by-sa-link " license.")
(p "This website is built with "
(a (@ (href "https://dthompson.us/projects/haunt.html"))
"Haunt")
", a static site generator written in "
(a (@ (href "https://gnu.org/software/guile"))
"Guile Scheme")
".")
(p
"Follow me on "
(a (@ (rel "me")
(href "https://toot.cat/@dthompson"))
"Mastodon")
"."))))))
#:post-template
(lambda (post)
`((h1 (@ (class "title")),(post-ref post 'title))
(div (@ (class "date"))
,(date->string (post-date post)
"~B ~d, ~Y"))
(div (@ (class "tags"))
"Tags:"
(ul ,@(map (lambda (tag)
`(li (a (@ (href ,(string-append "/feeds/tags/"
tag ".xml")))
,tag)))
(assq-ref (post-metadata post) 'tags))))
(div (@ (class "post"))
,(post-sxml post))))
#:collection-template
(lambda (site title posts prefix)
(define (post-uri post)
(string-append "/" (or prefix "")
(site-post-slug site post) ".html"))
`((h1 ,title
(a (@ (href "/feed.xml"))
(img (@ (class "feed-icon") (src "images/feed.png")))))
,(map (lambda (post)
(let ((uri (string-append "/"
(site-post-slug site post)
".html")))
`(div (@ (class "summary"))
(h2 (a (@ (href ,uri))
,(post-ref post 'title)))
(div (@ (class "date"))
,(date->string (post-date post)
"~B ~d, ~Y"))
(div (@ (class "post"))
,(first-paragraph post))
(a (@ (href ,uri)) "read more ➔"))))
posts)))
#:pagination-template
(lambda (site body previous-page next-page)
`(,@body
(div (@ (class "paginator"))
,(if previous-page
`(a (@ (class "paginator-prev") (href ,previous-page))
"🡐 Newer")
'())
,(if next-page
`(a (@ (class "paginator-next") (href ,next-page))
"Older 🡒")
'()))))))
(define (static-page title file-name body)
(lambda (site posts)
(serialized-artifact file-name
(with-layout dthompson-theme site title body)
sxml->html)))
(define* (project-page #:key name file-name description usage requirements
installation manual? license repo releases guix-package
(irc-channel "#guile"))
(define (tarball-url version)
(string-append "https://files.dthompson.us/"
repo "/" repo "-" version
".tar.gz"))
(define body
`((h1 ,name)
,description
,@(if usage
`((h2 "Usage")
,usage)
'())
,@(if manual?
`((h2 "Documentation")
(p ,(anchor "View the reference manual"
(string-append "/manuals/" repo "/index.html"))))
'())
(h2 "Releases")
(ul ,(map (match-lambda
((version date)
(let ((url (tarball-url version)))
`(li ,(date->string date "~Y-~m-~d")
" — " ,version " — "
,(anchor (string-append repo "-" version ".tar.gz")
url)
" — "
,(anchor "GPG signature"
(string-append url ".asc"))))))
releases))
(h2 "Requirements")
(ul ,(map (lambda (requirement)
`(li ,requirement))
requirements))
(h2 "Installation")
,@(if installation
(list installation)
(match (car releases)
((version _)
`(,@(if guix-package
`((p "To install " ,name " with the GNU Guix package manager, run:")
(pre "guix install " ,guix-package))
'())
(p "To build and install " ,name " from source, run:")
(pre "wget "
,(tarball-url version)
"
tar xf "
,repo "-" ,version ".tar.gz"
"
cd "
,repo "-" ,version
"
./configure
make
make install")))))
(h2 "License")
(p ,license)
(h2 "Git Repository")
,@(let ((url (string-append "https://git.dthompson.us/" repo ".git")))
`((p ,name " is developed using the Git version control
system. The official repository is hosted at "
,(anchor url url) ".")
(p "To clone the repository, run:")
(pre "git clone " ,url)))
(h2 "Community")
(p "Real-time discussion for " ,name " can be found on the "
(code ,irc-channel)
" channel on the "
,(anchor "Libera.chat" "https://libera.chat")
" IRC network")
(h2 "Contributing")
(p "Send patches and bug reports to "
,(anchor "davet@gnu.org" "mailto:davet@gnu.org")
".")))
(static-page name (string-append "projects/" file-name) body))
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