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#!/usr/bin/perl
package IkiWiki::Plugin::recentchanges;
use warnings;
use strict;
use IkiWiki 2.00;
use Encode;
use HTML::Entities;
sub import {
hook(type => "getsetup", id => "recentchanges", call => \&getsetup);
hook(type => "checkconfig", id => "recentchanges", call => \&checkconfig);
hook(type => "refresh", id => "recentchanges", call => \&refresh);
hook(type => "pagetemplate", id => "recentchanges", call => \&pagetemplate);
hook(type => "htmlize", id => "_change", call => \&htmlize);
hook(type => "cgi", id => "recentchanges", call => \&cgi);
}
sub getsetup () {
return
plugin => {
safe => 1,
rebuild => 1,
},
recentchangespage => {
type => "string",
example => "recentchanges",
description => "name of the recentchanges page",
safe => 1,
rebuild => 1,
},
recentchangesnum => {
type => "integer",
example => 100,
description => "number of changes to track",
safe => 1,
rebuild => 0,
},
}
sub checkconfig () {
$config{recentchangespage}='recentchanges' unless defined $config{recentchangespage};
$config{recentchangesnum}=100 unless defined $config{recentchangesnum};
}
sub refresh ($) {
my %seen;
# add new changes
foreach my $change (IkiWiki::rcs_recentchanges($config{recentchangesnum})) {
$seen{store($change, $config{recentchangespage})}=1;
}
# delete old and excess changes
foreach my $page (keys %pagesources) {
if ($pagesources{$page} =~ /\._change$/ && ! $seen{$page}) {
unlink($config{srcdir}.'/'.$pagesources{$page});
}
}
}
# Enable the recentchanges link on wiki pages.
sub pagetemplate (@) {
my %params=@_;
my $template=$params{template};
my $page=$params{page};
if (defined $config{recentchangespage} && $config{rcs} &&
$page ne $config{recentchangespage} &&
$template->query(name => "recentchangesurl")) {
$template->param(recentchangesurl => urlto($config{recentchangespage}, $page));
$template->param(have_actions => 1);
}
}
# Pages with extension _change have plain html markup, pass through.
sub htmlize (@) {
my %params=@_;
return $params{content};
}
sub cgi ($) {
my $cgi=shift;
if (defined $cgi->param('do') && $cgi->param('do') eq "recentchanges_link") {
# This is a link from a change page to some
# other page. Since the change pages are only generated
# once, statically, links on them won't be updated if the
# page they link to is deleted, or newly created, or
# changes for whatever reason. So this CGI handles that
# dynamic linking stuff.
my $page=decode_utf8($cgi->param("page"));
if (!defined $page) {
error("missing page parameter");
}
IkiWiki::loadindex();
# If the page is internal (like a comment), see if it has a
# permalink. Comments do.
if (IkiWiki::isinternal($page) &&
defined $pagestate{$page}{meta}{permalink}) {
IkiWiki::redirect($cgi,
$pagestate{$page}{meta}{permalink});
exit;
}
my $link=bestlink("", $page);
if (! length $link) {
print "Content-type: text/html\n\n";
print IkiWiki::misctemplate(gettext(gettext("missing page")),
"<p>".
sprintf(gettext("The page %s does not exist."),
htmllink("", "", $page)).
"</p>");
}
else {
IkiWiki::redirect($cgi, urlto($link, undef, 1));
}
exit;
}
}
sub store ($$$) {
my $change=shift;
my $page="$config{recentchangespage}/change_".titlepage($change->{rev});
# Optimisation to avoid re-writing pages. Assumes commits never
# change (or that any changes are not important).
return $page if exists $pagesources{$page} && ! $config{rebuild};
# Limit pages to first 10, and add links to the changed pages.
my $is_excess = exists $change->{pages}[10];
delete @{$change->{pages}}[10 .. @{$change->{pages}}] if $is_excess;
$change->{pages} = [
map {
if (length $config{cgiurl}) {
$_->{link} = "<a href=\"".
IkiWiki::cgiurl(
do => "recentchanges_link",
page => $_->{page}
).
"\" rel=\"nofollow\">".
pagetitle($_->{page}).
"</a>"
}
else {
$_->{link} = pagetitle($_->{page});
}
$_->{baseurl}="$config{url}/" if length $config{url};
$_;
} @{$change->{pages}}
];
push @{$change->{pages}}, { link => '...' } if $is_excess;
# See if the committer is an openid.
$change->{author}=$change->{user};
my $oiduser=eval { IkiWiki::openiduser($change->{user}) };
if (defined $oiduser) {
$change->{authorurl}=$change->{user};
$change->{user}=$oiduser;
}
elsif (length $config{cgiurl}) {
$change->{authorurl} = IkiWiki::cgiurl(
do => "recentchanges_link",
page => (length $config{userdir} ? "$config{userdir}/" : "").$change->{author},
);
}
if (ref $change->{message}) {
foreach my $field (@{$change->{message}}) {
if (exists $field->{line}) {
# escape html
$field->{line} = encode_entities($field->{line});
# escape links and preprocessor stuff
$field->{line} = encode_entities($field->{line}, '\[\]');
}
}
}
# Fill out a template with the change info.
my $template=template("change.tmpl", blind_cache => 1);
$template->param(
%$change,
commitdate => displaytime($change->{when}, "%X %x"),
wikiname => $config{wikiname},
);
$template->param(permalink => "$config{url}/$config{recentchangespage}/#change-".titlepage($change->{rev}))
if exists $config{url};
IkiWiki::run_hooks(pagetemplate => sub {
shift->(page => $page, destpage => $page,
template => $template, rev => $change->{rev});
});
my $file=$page."._change";
writefile($file, $config{srcdir}, $template->output);
utime $change->{when}, $change->{when}, "$config{srcdir}/$file";
return $page;
}
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