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(define-module (src theme)
#:use-module (srfi srfi-19)
#:use-module (haunt post)
#:use-module (haunt site)
#:use-module (haunt builder blog)
#:use-module (src urls)
#:use-module (src date-utils)
#:export (weekly-news-theme))
(define (weekly-news-layout site title body)
`((doctype "html")
(html
(@ (lang "en"))
(head
,(if (null? title)
`(title "Guix Weekly News")
`(title ,(string-append title " — Guix Weekly News")))
(meta (@ (charset "UTF-8")))
(meta (@ (name "viewport")
(content "width=device-width, initial-scale=1.0")))
;; Base CSS.
(link (@ (rel "stylesheet") (href "/static/css/base.css")))
;; Feeds.
(link (@ (type "application/atom+xml") (rel "alternate")
(title "GNU Guix — Activity Feed")
(href "feeds/blog.atom")))
(link (@ (rel "icon") (type "image/png")
(href "/static/img/icon.png")))
(link (@ (rel "icon") (type "image/svg+xml") (sizes "any")
(href "/static/img/icon.svg"))))
(body
(header
(a (@ (href "/"))
(h2
(@ (style "color: white; margin: 0.4em; font-size: 2em;"))
(img (@ (style "height: 1.1em;")
(src "/static/img/guix-logo.png")))
"Guix Weekly News")))
(main
(article
(@ (class "page centered-block limit-width"))
,body))
(footer
"Made with " (span (@ (class "metta")) "♥")
" by humans and powered by "
(a (@ (class "link-yellow") (href ,(gnu-url "software/guile/")))
"GNU Guile") ". "
(a
(@ (class "link-yellow")
(href "https://git.cbaines.net/guix/weekly-news/"))
"Source code")
" under the "
(a
(@ (class "link-yellow")
(href ,(gnu-url "licenses/agpl-3.0.html")))
"GNU AGPL") ".")))))
(define (is-year-and-week-a-draft? year week)
(time>? (date->time-utc
(lookup-end-date-for-week year week))
(current-time)))
(define (weekly-news-post-template post)
(let ((year (post-ref post 'year))
(week (post-ref post 'week)))
`((div
,@(or (and=>
(previous-week-with-year year week)
(lambda (previous-week-and-year)
`((a (@ (href ,(apply weekly-news-post-url
previous-week-and-year)))
(span (@ (id "left-nav"))
"Previous week")))))
'())
(h1 (@ (id "center"))
,(post-ref post 'title))
,@(or (and=>
(and (and=> (next-week-with-year year week)
(lambda (next-week-and-year)
(not (apply is-year-and-week-a-draft?
next-week-and-year))))
(next-week-with-year year week))
(lambda (next-week-and-year)
`((a (@ (href ,(apply weekly-news-post-url
next-week-and-year)))
(span (@ (id "right-nav"))
"Next week")))))
'()))
(div
(@ (style "text-align: center;"))
,(date->string (post-ref post 'start-date) "~1")
" to "
,(date->string (post-ref post 'end-date) "~1"))
(br)
,(post-sxml post))))
(define (weekly-news-collection-template site title posts prefix)
(define (post-uri post)
(string-append (or prefix "") "/"
(site-post-slug site post) ".html"))
(define (date->string* date)
(date->string date "~a ~d ~b"))
`((ul
(@ (id "post-list"))
,@(map (lambda (post)
(let ((draft
(time>? (date->time-utc
(post-ref post 'end-date))
(current-time))))
`(li
(@ (class ,(if draft "draft-post clearfix" "clearfix")))
,(if draft
`((time
"Week " ,(post-ref post 'week)
(div
(@ (style "font-size: small;"))
"Beginning "
,(date->string*
(post-ref post 'start-date))))
(span
(@ (class "post-list-week-text"))
"Will be published on "
,(let ((date (move-date-by-days
(post-ref post 'start-date)
7)))
`(span (@ (title ,(date->string date "~1")))
,(date->string date "~A")))))
`(a (@ (href ,(post-uri post))
(class "post-list-link"))
(time
"Week " ,(post-ref post 'week)
(div
(@ (style "font-size: small;"))
"Beginning "
,(date->string*
(post-ref post 'start-date))))
(span
(@ (class "post-list-week-text"))
,(post-ref post 'synopsis)))))))
posts)
,@(if (string=? title "Recent posts")
'((li
(a (@ (style "margin-bottom: 1em;")
(href "/all.html"))
"All posts")))
'()))))
(define weekly-news-theme
(theme #:name "Weekly news"
#:layout weekly-news-layout
#:post-template weekly-news-post-template
#:collection-template weekly-news-collection-template))
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