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[git.ikiwiki.info.git] / IkiWiki / Plugin / recentchanges.pm
1 #!/usr/bin/perl
2 package IkiWiki::Plugin::recentchanges;
4 use warnings;
5 use strict;
6 use IkiWiki 3.00;
7 use Encode;
8 use HTML::Entities;
10 sub import {
11         hook(type => "getsetup", id => "recentchanges", call => \&getsetup);
12         hook(type => "checkconfig", id => "recentchanges", call => \&checkconfig);
13         hook(type => "refresh", id => "recentchanges", call => \&refresh);
14         hook(type => "pagetemplate", id => "recentchanges", call => \&pagetemplate);
15         hook(type => "htmlize", id => "_change", call => \&htmlize);
16         hook(type => "sessioncgi", id => "recentchanges", call => \&sessioncgi);
17         # Load goto to fix up links from recentchanges
18         IkiWiki::loadplugin("goto");
19         # ... and transient as somewhere to put our internal pages
20         IkiWiki::loadplugin("transient");
21 }
23 sub getsetup () {
24         return
25                 plugin => {
26                         safe => 1,
27                         rebuild => 1,
28                 },
29                 recentchangespage => {
30                         type => "string",
31                         example => "recentchanges",
32                         description => "name of the recentchanges page",
33                         safe => 1,
34                         rebuild => 1,
35                 },
36                 recentchangesnum => {
37                         type => "integer",
38                         example => 100,
39                         description => "number of changes to track",
40                         safe => 1,
41                         rebuild => 0,
42                 },
43 }
45 sub checkconfig () {
46         $config{recentchangespage}='recentchanges' unless defined $config{recentchangespage};
47         $config{recentchangesnum}=100 unless defined $config{recentchangesnum};
48 }
50 sub refresh ($) {
51         my %seen;
53         # add new changes
54         foreach my $change (IkiWiki::rcs_recentchanges($config{recentchangesnum})) {
55                 $seen{store($change, $config{recentchangespage})}=1;
56         }
57         
58         # delete old and excess changes
59         foreach my $page (keys %pagesources) {
60                 if ($pagesources{$page} =~ /\._change$/ && ! $seen{$page}) {
61                         unlink($IkiWiki::Plugin::transient::transientdir.'/'.$pagesources{$page}) || unlink($config{srcdir}.'/'.$pagesources{$page});
62                 }
63         }
64 }
66 sub sessioncgi ($$) {
67         my ($q, $session) = @_;
68         my $do = $q->param('do');
69         my $rev = $q->param('rev');
71         return unless $do eq 'revert' && $rev;
73         my @changes=$IkiWiki::hooks{rcs}{rcs_preprevert}{call}->($rev);
74         IkiWiki::check_canchange(
75                 cgi => $q,
76                 session => $session,
77                 changes => \@changes,
78         );
80         eval q{use CGI::FormBuilder};
81         error($@) if $@;
82         my $form = CGI::FormBuilder->new(
83                 name => "revert",
84                 header => 0,
85                 charset => "utf-8",
86                 method => 'POST',
87                 javascript => 0,
88                 params => $q,
89                 action => IkiWiki::cgiurl(),
90                 stylesheet => 1,
91                 template => { template('revert.tmpl') },
92                 fields => [qw{revertmessage do sid rev}],
93         );
94         my $buttons=["Revert", "Cancel"];
96         $form->field(name => "revertmessage", type => "text", size => 80);
97         $form->field(name => "sid", type => "hidden", value => $session->id,
98                 force => 1);
99         $form->field(name => "do", type => "hidden", value => "revert",
100                 force => 1);
102         IkiWiki::decode_form_utf8($form);
104         if ($form->submitted eq 'Revert' && $form->validate) {
105                 IkiWiki::checksessionexpiry($q, $session);
106                 my $message=sprintf(gettext("This reverts commit %s"), $rev);
107                 if (defined $form->field('revertmessage') &&
108                     length $form->field('revertmessage')) {
109                         $message=$form->field('revertmessage')."\n\n".$message;
110                 }
111                 my $r = $IkiWiki::hooks{rcs}{rcs_revert}{call}->($rev);
112                 error $r if defined $r;
113                 IkiWiki::disable_commit_hook();
114                 IkiWiki::rcs_commit_staged(
115                         message => $message,
116                         session => $session,
117                 );
118                 IkiWiki::enable_commit_hook();
119         
120                 require IkiWiki::Render;
121                 IkiWiki::refresh();
122                 IkiWiki::saveindex();
123         }
124         elsif ($form->submitted ne 'Cancel') {
125                 $form->title(sprintf(gettext("confirm reversion of %s"), $rev));
126                 $form->tmpl_param(diff => encode_entities(scalar IkiWiki::rcs_diff($rev, 200)));
127                 $form->field(name => "rev", type => "hidden", value => $rev, force => 1);
128                 IkiWiki::showform($form, $buttons, $session, $q);
129                 exit 0;
130         }
132         IkiWiki::redirect($q, urlto($config{recentchangespage}));
133         exit 0;
136 # Enable the recentchanges link.
137 sub pagetemplate (@) {
138         my %params=@_;
139         my $template=$params{template};
140         my $page=$params{page};
142         if (defined $config{recentchangespage} && $config{rcs} &&
143             $template->query(name => "recentchangesurl") &&
144             $page ne $config{recentchangespage}) {
145                 $template->param(recentchangesurl => urlto($config{recentchangespage}, $page));
146                 $template->param(have_actions => 1);
147         }
150 # Pages with extension _change have plain html markup, pass through.
151 sub htmlize (@) {
152         my %params=@_;
153         return $params{content};
156 sub store ($$$) {
157         my $change=shift;
159         my $page="$config{recentchangespage}/change_".titlepage($change->{rev});
161         # Optimisation to avoid re-writing pages. Assumes commits never
162         # change (or that any changes are not important).
163         return $page if exists $pagesources{$page} && ! $config{rebuild};
165         # Limit pages to first 10, and add links to the changed pages.
166         my $is_excess = exists $change->{pages}[10];
167         delete @{$change->{pages}}[10 .. @{$change->{pages}}] if $is_excess;
168         my $has_diffurl=0;
169         $change->{pages} = [
170                 map {
171                         if (length $config{cgiurl}) {
172                                 $_->{link} = "<a href=\"".
173                                         IkiWiki::cgiurl(
174                                                 do => "goto",
175                                                 page => $_->{page}
176                                         ).
177                                         "\" rel=\"nofollow\">".
178                                         pagetitle($_->{page}).
179                                         "</a>"
180                         }
181                         else {
182                                 $_->{link} = pagetitle($_->{page});
183                         }
184                         if (defined $_->{diffurl} && length($_->{diffurl})) {
185                                 $has_diffurl=1;
186                         }
188                         $_;
189                 } @{$change->{pages}}
190         ];
191         push @{$change->{pages}}, { link => '...' } if $is_excess;
192         
193         if (length $config{cgiurl} &&
194             exists $IkiWiki::hooks{rcs}{rcs_preprevert} &&
195             exists $IkiWiki::hooks{rcs}{rcs_revert}) {
196                 $change->{reverturl} = IkiWiki::cgiurl(
197                         do => "revert",
198                         rev => $change->{rev}
199                 );
200         }
202         $change->{author}=$change->{user};
203         my $oiduser=eval { IkiWiki::openiduser($change->{user}) };
204         if (defined $oiduser) {
205                 $change->{authorurl}=$change->{user};
206                 $change->{user}=defined $change->{nickname} ? $change->{nickname} : $oiduser;
207         }
208         elsif (length $config{cgiurl}) {
209                 $change->{authorurl} = IkiWiki::cgiurl(
210                         do => "goto",
211                         page => IkiWiki::userpage($change->{author}),
212                 );
213         }
215         if (ref $change->{message}) {
216                 foreach my $field (@{$change->{message}}) {
217                         if (exists $field->{line}) {
218                                 # escape html
219                                 $field->{line} = encode_entities($field->{line});
220                                 # escape links and preprocessor stuff
221                                 $field->{line} = encode_entities($field->{line}, '\[\]');
222                         }
223                 }
224         }
226         # Fill out a template with the change info.
227         my $template=template("change.tmpl", blind_cache => 1);
228         $template->param(
229                 %$change,
230                 commitdate => displaytime($change->{when}, "%X %x"),
231                 wikiname => $config{wikiname},
232         );
233         
234         $template->param(has_diffurl => 1) if $has_diffurl;
236         $template->param(permalink => urlto($config{recentchangespage})."#change-".titlepage($change->{rev}))
237                 if exists $config{url};
238         
239         IkiWiki::run_hooks(pagetemplate => sub {
240                 shift->(page => $page, destpage => $page,
241                         template => $template, rev => $change->{rev});
242         });
244         my $file=$page."._change";
245         writefile($file, $IkiWiki::Plugin::transient::transientdir, $template->output);
246         utime $change->{when}, $change->{when}, $IkiWiki::Plugin::transient::transientdir.'/'.$file;
248         return $page;