1;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
2;;;; *************************************************************************
3;;;; FILE IDENTIFICATION
4;;;;
5;;;; Name:          downloads.lisp
6;;;; Purpose:       Generate downloads page
7;;;; Programmer:    Kevin M. Rosenberg
8;;;; Date Started:  Aug 2002
9;;;;
10;;;; $Id$
11;;;;
12;;;; This file, part of LML, is Copyright (c) 2002 by Kevin M. Rosenberg
13;;;;
14;;;; LML users are granted the rights to distribute and use this software
15;;;; as governed by the terms of the GNU General Public License v2
16;;;; (http://www.gnu.org/licenses/gpl.html)
17;;;; *************************************************************************
18
19(in-package #:lml)
20
21
22(defvar *dl-base*)
23(defvar *dl-url*)
24(defvar *base-name*)
25(defvar *section-indent* 0)
26(defvar *signed* nil)
27
28(defun list-files (files)
29  "List files in a directory for downloading"
30  ;;files.sort()
31  (mapcar #'print-file files))
32
33(defun strip-dl-base (file)
34  (let ((fdir (pathname-directory file))
35        (bdir (pathname-directory *dl-base*)))
36    (make-pathname
37     :name (pathname-name file)
38     :type (pathname-type file)
39     :directory
40     (when (> (length fdir) (length bdir))
41       (append '(:absolute)
42               (subseq fdir (length bdir) (length fdir)))))))
43
44(defun print-file (file)
45  (let ((size 0)
46        (modtime (date-string (file-write-date file)))
47        (basename (namestring
48                   (make-pathname :name (pathname-name file)
49                                  :type (pathname-type file))))
50        (dl-name (strip-dl-base file))
51        (sig-path (concatenate 'string (namestring file) ".asc")))
52    (when (plusp (length basename))
53      (with-open-file (strm file :direction :input)
54                      (setq size (round (/ (file-length strm) 1024))))
55      (lml-format "<a href=\"~A~A\">~A</a>" *dl-url* dl-name basename)
56      (lml-princ "<span class=\"modtime\">")
57      (lml-format " (~A, <b>~:D <span style=\"font-size:90%;\">KB</span></b>)</span>" modtime size)
58      (when (probe-file sig-path)
59        (setq *signed* t)
60        (lml-format " [<a href=\"~A~A.asc\">Signature</a>]" *dl-url* dl-name))
61      (br))))
62
63(defun display-header (name url)
64  (lml-princ "<h1>Download</h1>")
65  (lml-princ "<div class=\"mainbody\">")
66  (lml-format "<h3>Browse ~A Download Site</h3>" name)
67  (lml-format "<a style=\"padding-left:20pt;\" href=\"~A\">~A</a>" url url))
68
69(defun display-footer ()
70  (when *signed*
71    (lml-princ "<h3>GPG Public Key</h3>")
72    (lml-princ "Use this <a href=\"https://www.b9.com/kevin.gpg.asc\">key</a> to verify file signtatures"))
73  (lml-princ "</div>"))
74
75(defun print-sect-title (title)
76  (lml-format "<h~D>~A</h~D>" *section-indent* title *section-indent*))
77
78(defun match-base-name? (name)
79  (let ((len-base-name (length *base-name*)))
80    (when (>= (length name) len-base-name)
81      (string= name *base-name* :end1 len-base-name :end2 len-base-name))))
82
83(defun match-base-name-latest? (name)
84  (let* ((latest (concatenate 'string *base-name* "-latest"))
85         (len-latest (length latest)))
86    (when (>= (length name) len-latest)
87      (string= name latest :end1 len-latest :end2 len-latest))))
88
89(defun filter-against-base (files)
90  (delete-if-not #'(lambda (f) (match-base-name? (pathname-name f))) files))
91
92(defun filter-latest (files)
93  (delete-if #'(lambda (f) (match-base-name-latest? (pathname-name f))) files))
94
95(defun sort-pathnames (list)
96  (sort list #'(lambda (a b) (string< (namestring a) (namestring b)))))
97
98(defun display-one-section (title pat)
99  (let ((files (sort-pathnames (filter-latest
100                                (filter-against-base (directory pat))))))
101    (when files
102      (print-sect-title title)
103      (lml-princ "<div style=\"padding-left: 20pt;\">")
104      (list-files files)
105      (lml-princ "</div>"))))
106
107(defun display-sections (sects)
108  (when sects
109    (let ((title (car sects))
110          (value (cadr sects)))
111      (if (consp title)
112          (dolist (sect sects) (display-sections sect))
113        (if (consp value)
114            (progn
115              (print-sect-title title)
116              (incf *section-indent*)
117              (display-sections value)
118              (decf *section-indent*))
119          (display-one-section title value))))))
120
121(defun display-page (pkg-name pkg-base dl-base dl-url giturl gitweb sects)
122  (let ((*section-indent* 3)
123        (*dl-base* dl-base)
124        (*dl-url* dl-url)
125        (*base-name* pkg-base)
126        (*signed* nil))
127    (display-header pkg-name dl-url)
128    (map nil #'display-sections sects)
129    (when giturl
130      (lml-format "<h2>Git Repository</h2><tt>~A</tt>" giturl)
131      (when gitweb
132        (lml-format "&nbsp;&nbsp;[<a href=\"~A\">Browse</a>]" gitweb)))
133    (display-footer)))
134
135(defun std-dl-page (pkg-name pkg-base dl-base dl-url &optional giturl gitweb)
136  (let ((base (parse-namestring dl-base)))
137    (let ((tgz-path (make-pathname :defaults base :type "gz" :name :wild))
138          (zip-path (make-pathname :defaults base :type "zip" :name :wild))
139          (doc-path (make-pathname :defaults base :type "pdf" :name :wild)))
140      (display-page pkg-name pkg-base dl-base dl-url giturl gitweb
141                    `(("Manual" ,doc-path)
142                      ("Source Code"
143                       (("Unix (.tar.gz)" ,tgz-path)
144                        ("Windows (.zip)" ,zip-path))))))))
145
146(defun full-dl-page (pkg-name pkg-base dl-base dl-url &optional giturl gitweb)
147  (let ((base (parse-namestring dl-base)))
148    (let ((tgz-path (make-pathname :defaults base :type "gz" :name :wild))
149          (zip-path (make-pathname :defaults base :type "zip" :name :wild))
150          (doc-path (make-pathname :defaults base :type "pdf" :name :wild))
151          (deb-path (merge-pathnames
152                     (make-pathname :directory '(:relative "linux-debian")
153                                    :type :wild :name :wild)
154                     base))
155          (rpm-path (merge-pathnames
156                     (make-pathname :directory '(:relative "linux-rpm")
157                                    :type :wild :name :wild)
158                     base))
159          (w32-path (merge-pathnames
160                     (make-pathname :directory '(:relative "win32")
161                                    :type :wild :name :wild)
162                     base)))
163      (display-page pkg-name pkg-base dl-base dl-url giturl gitweb
164                    `(("Manual" ,doc-path)
165                      ("Source Code"
166                       (("Unix (.tar.gz)" ,tgz-path)
167                        ("Windows (.zip)" ,zip-path)))
168                      ("Binaries"
169                       (("Linux Binaries"
170                         (("Debian Linux" ,deb-path)
171                          ("RedHat Linux" ,rpm-path)))
172                        ("Windows Binaries" ,w32-path))))))))
173