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|
(define-module (www)
#:use-module (www utils)
#:use-module (www shared)
#:use-module (www packages)
#:use-module (www download)
#:use-module (www donate)
#:use-module (www about)
#:use-module (www contribute)
#:use-module (www help)
#:use-module (sxml simple)
#:use-module (sxml match)
#:use-module (web client)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-9)
#:use-module (srfi srfi-19)
#:use-module (srfi srfi-26)
#:use-module (ice-9 match)
#:export (main-page
%web-pages
export-web-page
export-web-site))
(define %atom-url
;; The web site's news feed.
"http://savannah.gnu.org/news/atom.php?group=guix")
(define (fetch-news)
"Return the SXML tree of the Atom news feed."
(call-with-values
(lambda ()
(http-get %atom-url))
(lambda (response contents)
(call-with-input-string contents
(lambda (port)
(xml->sxml port
#:namespaces '((atom . "http://www.w3.org/2005/Atom")
(x . "http://www.w3.org/1999/xhtml"))
#:trim-whitespace? #t))))))
(define-record-type <news-entry>
(news-entry url title date author content)
news-entry?
(url news-entry-url) ;string
(title news-entry-title) ;string
(date news-entry-date) ;SRFI-19 date
(author news-entry-author) ;sxml
(content news-entry-content)) ;sxml
(define (news-items)
"Return the list of <news-entry> taken from the web site's RSS feed."
(sxml-match (fetch-news)
((*TOP* (*PI* ,pi ...)
(atom:feed
(atom:id ,feed-id)
(atom:link)
(atom:title ,feed-title)
(atom:updated ,feed-updated)
(atom:entry
(atom:id ,id)
(atom:link (@ (href ,link)))
(atom:title ,title)
(atom:updated ,updated)
(atom:author ,author)
(atom:content ,content)
,rest ...)
...
))
(map news-entry
link title
(map (cut string->date <> "~Y-~m-~d") updated)
author content))))
(define (sxml->string* tree)
"Flatten tree by dismissing tags and attributes, and return the resulting
string."
(define (sxml->strings tree)
(match tree
(((? symbol?) ('@ _ ...) body ...)
(append-map sxml->strings body))
(((? symbol?) body ...)
(append-map sxml->strings body))
((? string?)
(list tree))))
(string-concatenate (sxml->strings tree)))
(define (summarize-string str n)
"Truncate STR at the first space encountered starting from the Nth
character."
(if (<= (string-length str) n)
str
(let ((space (string-index str #\space n)))
(string-take str (or space n)))))
(define (news-entry->sxml entry)
"Return the an SXML tree representing ENTRY, a <news-entry>."
`(a (@ (href ,(news-entry-url entry))
(class "news-entry"))
(h4 ,(news-entry-title entry))
(p (@ (class "news-date"))
,(date->string (news-entry-date entry) "~B ~e, ~Y"))
(p (@ (class "news-summary"))
,(summarize-string (sxml->string* (news-entry-content entry))
230)
"…")))
(define (main-page)
`(html (@ (lang "en"))
,(html-page-header "Home" #:css "index.css")
(body
,(html-page-description)
,(html-page-links)
(div (@ (id "content-box"))
(div (@ (id "featured-box"))
(div (@ (class "featured-content"))
(h1 (@ (class "featured-heading"))
"The Guix System Distribution")
(ul (li (b "Liberating.")
" GuixSD is an advanced distribution of the "
(a (@ (href ,(gnu-url ""))
(class "hlink-yellow"))
"GNU Operating System")
" developed by the "
(a (@ (href ,(gnu-url ""))
(class "hlink-yellow"))
"GNU Project ")
"—which respects the "
(a (@ (href ,(gnu-url "philosophy/free-sw.html"))
(class "hlink-yellow"))
"freedom of computer users")
". ")
(li (b "Dependable.")
" The "
(a (@ (href ,(guix-url "manual"))
(class "hlink-yellow"))
"GNU Guix")
" package manager, in addition to standard
package management features, supports transactional upgrades and roll-backs,
unprivileged package management, per-user profiles, and garbage collection.")
(li (b "Hackable.")
" It provides "
(a (@ (href ,(gnu-url "software/guile/"))
(class "hlink-yellow"))
"Guile Scheme")
" APIs, including high-level embedded
domain-specific languages (EDSLs), to describe how packages are built and
composed."))
(div (@ (class "featured-actions"))
(a (@ (href ,(base-url "download"))
(class "action download"))
"TEST v" ,(latest-guix-version) " (alpha)")
(a (@ (href ,(base-url "contribute"))
(class "action contribute"))
"CONTRIBUTE"))))
(div (@ (id "discovery-box"))
(h2 "Discover GuixSD")
(div (@ (class "info-box text-center"))
(video (@ (src "http://audio-video.gnu.org/video/misc/2015-01__GNU_Guix__The_Emacs_of_Distros.webm")
(poster
,(image-url "the-emacs-of-distros.png"))
(controls "controls")
(class "video-preview")))
(p "January 2015, The Emacs of Distros (48 minutes)")
(p (a (@ (href ,(base-url "help/#talks"))
(class "hlink-more-light"))
"Check all talks")))
(div (@ (class "info-box text-left"))
(p (a (@ (href ,(guix-url "manual"))
(class "hlink-yellow"))
"GNU Guix Documentation")
(br)
"You may also find more information about GNU Guix
by running info guix.")
(p (a (@ (href "http://arxiv.org/abs/1305.4584")
(class "hlink-yellow"))
"Functional Package Management with Guix")
(br)
"A paper presented at the 2013 European Lisp
Symposium (ELS), describes the rationale, design, and implementation of Guix's
packaging API. ")
(p (a (@ (href "http://www.gnu.org/manual/")
(class "hlink-yellow"))
"GNU Manuals Online")
(br)
"Primary documentation for official GNU packages.")
(p (a (@ (href ,(base-url "help"))
(class "hlink-more-light"))
"Find more documentation")))
(img (@ (src ,(image-url "h-separator-darker.png"))
(class "h-separator")
(alt "")))
(div (@ (id "screens-box"))
(a (@ (href ,(screenshot-url "0.8.2" "grub-menu.png")))
(img (@ (src ,(thumb-url "grub-menu-thumb.png"))
(class "screenshot-thumb")
(alt "GRUB menu"))))
(a (@ (href ,(screenshot-url "0.8.2" "slim.png")))
(img (@ (src ,(thumb-url "slim-thumb.png"))
(class "screenshot-thumb")
(alt "Slim login manager"))))
(a (@ (href ,(screenshot-url "0.8.2" "windowmaker+icecat+inkscape.png")))
(img (@ (src ,(thumb-url "windowmaker+icecat+inkscape-thumb.png"))
(class "screenshot-thumb")
(alt "Windowmaker, Icecat, and Inkscape"))))
(a (@ (href ,(screenshot-url "0.8.2" "user-interfaces.png")))
(img (@ (src ,(thumb-url "user-interfaces-thumb.png"))
(class "screenshot-thumb")
(alt "mplayer and xterm"))))
(a (@ (href ,(screenshot-url "0.8.2" "emacs-ui-packages.png")))
(img (@ (src ,(thumb-url "emacs-ui-packages-thumb.png"))
(class "screenshot-thumb")
(alt "Emacs user interface to the package manager."))))
(a (@ (href ,(screenshot-url "0.8.2" "emacs-ui-generations.png")))
(img (@ (src ,(thumb-url "emacs-ui-generations-thumb.png"))
(class "screenshot-thumb")
(alt "Emacs user interface generations.")))))
(p (a (@ (href ,(base-url "contribute") )
(class "hlink-yellow-boxed"))
"Help us package more software →")))
(div (@ (id "news-box"))
(h2 "News")
,@(map news-entry->sxml (take (news-items) 3))
(p (a (@ (href "https://savannah.gnu.org/news/?group=guix")
(class "hlink-more-dark"))
"More news")))
(div (@ (id "contact-box"))
(h2 "Contact")
(div (@ (class "info-box text-justify"))
(h3 "IRC Channel")
(p "Some Guix users and developers hang out on the
#guix channel of the Freenode IRC network. "
(small "(See "
(a (@ (href "https://gnunet.org/bot/log/guix/"))
"channel logs")
")")
".")
;; XXX: Doesn't feel right to (1) suggest a JS
;; client, and (2) make it too easy to join the
;; channel.
;; (p (@ (class "text-right"))
;; (a (@ (href "http://webchat.freenode.net/?channels=%23guix")
;; (class "button btn-blue"))
;; "Connect"))
(h3 "Report Bugs")
(p "Use the bugs mailing list to report bugs. Please
check whether the bug is already in the "
(a (@ (href "http://debbugs.gnu.org/cgi/pkgreport.cgi?pkg=guix"))
"bug database")
".")
(p (@ (class "text-right"))
(a (@ (href "mailto:bug-guix@gnu.org")
(class "button btn-red"))
"Report")))
(div (@ (class "info-box text-left"))
(h3 "Mailing Lists")
(p (a (@ (href "https://lists.gnu.org/mailman/listinfo/guix-devel"))
(b "guix-devel"))
(small " ("
(a (@ (href "https://lists.gnu.org/archive/html/guix-devel"))
"archive")
")")
(br)
"Discussion about the development of GNU Guix and
the Guix System Distribution (GuixSD).")
(p (a (@ (href "https://lists.gnu.org/mailman/listinfo/bug-guix"))
(b "bug-guix"))
(small " ("
(a (@ (href "https://lists.gnu.org/archive/html/bug-guix"))
"archive")
")")
(br)
"Bug reports for GNU Guix and the Guix System
Distribution.")
(p (a (@ (href "https://lists.gnu.org/mailman/listinfo/gnu-system-discuss"))
(b "gnu-system-discuss"))
(small " ("
(a (@ (href "http://lists.gnu.org/archive/html/gnu-system-discuss/"))
"archive")
")")
(br)
"Discussion about the development of
the broader GNU system.")
(p (a (@ (href ,(base-url "about#contact"))
(class "hlink-more-dark"))
"Find all the available lists")))))
,(html-page-footer))))
;;;
;;; HTML export.
;;;
(define %web-pages
;; Mapping of web pages to HTML file names.
`(("index.html" ,main-page)
("about/index.html" ,about-page)
("contribute/index.html" ,contribute-page)
("donate/index.html" ,donate-page)
("download/index.html" ,download-page)
("help/index.html" ,help-page)
("packages/index.html" ,packages-page)))
(define (mkdir* directory)
"Make DIRECTORY unless it already exists."
(catch 'system-error
(lambda ()
(mkdir directory))
(lambda args
(unless (= EEXIST (system-error-errno args))
(apply throw args)))))
(define (export-web-page page file)
"Export PAGE, an SXML tree, to FILE."
(mkdir* (dirname file))
(call-with-output-file file
(lambda (port)
(sxml->xml page port))))
(define* (export-web-site #:optional (directory "."))
"Export the whole web site as HTML files created in DIRECTORY."
(for-each (match-lambda
((filename page)
(export-web-page (page)
(string-append directory
file-name-separator-string
filename))))
%web-pages))
;; Local Variables:
;; eval: (put 'sxml-match 'scheme-indent-function 1)
;; End:
|