IkiWiki/Plugin/recentchanges.pm

   1 #!/usr/bin/perl
   2 package IkiWiki::Plugin::recentchanges;
   3
   4 use warnings;
   5 use strict;
   6 use IkiWiki 3.00;
   7 use Encode;
   8 use HTML::Entities;
   9
  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 }
  20
  21 sub getsetup () {
  22         return
  23                 plugin => {
  24                         safe => 1,
  25                         rebuild => 1,
  26                 },
  27                 recentchangespage => {
  28                         type => "string",
  29                         example => "recentchanges",
  30                         description => "name of the recentchanges page",
  31                         safe => 1,
  32                         rebuild => 1,
  33                 },
  34                 recentchangesnum => {
  35                         type => "integer",
  36                         example => 100,
  37                         description => "number of changes to track",
  38                         safe => 1,
  39                         rebuild => 0,
  40                 },
  41 }
  42
  43 sub checkconfig () {
  44         $config{recentchangespage}='recentchanges' unless defined $config{recentchangespage};
  45         $config{recentchangesnum}=100 unless defined $config{recentchangesnum};
  46 }
  47
  48 sub refresh ($) {
  49         my %seen;
  50
  51         # add new changes
  52         foreach my $change (IkiWiki::rcs_recentchanges($config{recentchangesnum})) {
  53                 $seen{store($change, $config{recentchangespage})}=1;
  54         }
  55
  56         # delete old and excess changes
  57         foreach my $page (keys %pagesources) {
  58                 if ($pagesources{$page} =~ /\._change$/ && ! $seen{$page}) {
  59                         unlink($config{srcdir}.'/'.$pagesources{$page});
  60                 }
  61         }
  62 }
  63
  64 sub sessioncgi ($$) {
  65         my ($q, $session) = @_;
  66         my $do = $q->param('do');
  67         my $rev = $q->param('rev');
  68
  69         return unless $do eq 'revert' && $rev;
  70
  71         my @changes=$IkiWiki::hooks{rcs}{rcs_preprevert}{call}->($rev);
  72         IkiWiki::check_canchange(
  73                 cgi => $q,
  74                 session => $session,
  75                 changes => \@changes,
  76         );
  77
  78         eval q{use CGI::FormBuilder};
  79         error($@) if $@;
  80         my $form = CGI::FormBuilder->new(
  81                 name => "revert",
  82                 header => 0,
  83                 charset => "utf-8",
  84                 method => 'POST',
  85                 javascript => 0,
  86                 params => $q,
  87                 action => $config{cgiurl},
  88                 stylesheet => 1,
  89                 template => { template('revert.tmpl') },
  90         );
  91         my $buttons=["Revert", "Cancel"];
  92
  93         $form->field(name => "sid", type => "hidden", value => $session->id,
  94                 force => 1);
  95         $form->field(name => "do", type => "hidden", value => "revert",
  96                 force => 1);
  97
  98         IkiWiki::decode_form_utf8($form);
  99
 100         if ($form->submitted eq 'Revert' && $form->validate) {
 101                 IkiWiki::checksessionexpiry($q, $session, $q->param('sid'));
 102                 my $r = $IkiWiki::hooks{rcs}{rcs_revert}{call}->($rev);
 103                 error $r if defined $r;
 104                 IkiWiki::disable_commit_hook();
 105                 rcs_commit_staged(
 106                         message => sprintf(gettext("This reverts commit %s"), $rev),
 107                         session => $session,
 108                 );
 109                 IkiWiki::enable_commit_hook();
 110
 111                 require IkiWiki::Render;
 112                 IkiWiki::refresh();
 113                 IkiWiki::saveindex();
 114         }
 115         elsif ($form->submitted ne 'Cancel') {
 116                 $form->title(sprintf(gettext("confirm reversion of %s"), $rev));
 117                 $form->tmpl_param(diff => encode_entities(scalar IkiWiki::rcs_diff($rev)));
 118                 $form->field(name => "rev", type => "hidden", value => $rev, force => 1);
 119                 IkiWiki::showform($form, $buttons, $session, $q);
 120                 exit 0;
 121         }
 122
 123         IkiWiki::redirect($q, urlto($config{recentchangespage}, ''));
 124         exit 0;
 125 }
 126
 127 # Enable the recentchanges link.
 128 sub pagetemplate (@) {
 129         my %params=@_;
 130         my $template=$params{template};
 131         my $page=$params{page};
 132
 133         if (defined $config{recentchangespage} && $config{rcs} &&
 134             $template->query(name => "recentchangesurl") &&
 135             $page ne $config{recentchangespage}) {
 136                 $template->param(recentchangesurl => urlto($config{recentchangespage}, $page));
 137                 $template->param(have_actions => 1);
 138         }
 139 }
 140
 141 # Pages with extension _change have plain html markup, pass through.
 142 sub htmlize (@) {
 143         my %params=@_;
 144         return $params{content};
 145 }
 146
 147 sub store ($$$) {
 148         my $change=shift;
 149
 150         my $page="$config{recentchangespage}/change_".titlepage($change->{rev});
 151
 152         # Optimisation to avoid re-writing pages. Assumes commits never
 153         # change (or that any changes are not important).
 154         return $page if exists $pagesources{$page} && ! $config{rebuild};
 155
 156         # Limit pages to first 10, and add links to the changed pages.
 157         my $is_excess = exists $change->{pages}[10];
 158         delete @{$change->{pages}}[10 .. @{$change->{pages}}] if $is_excess;
 159         $change->{pages} = [
 160                 map {
 161                         if (length $config{cgiurl}) {
 162                                 $_->{link} = "<a href=\"".
 163                                         IkiWiki::cgiurl(
 164                                                 do => "goto",
 165                                                 page => $_->{page}
 166                                         ).
 167                                         "\" rel=\"nofollow\">".
 168                                         pagetitle($_->{page}).
 169                                         "</a>"
 170                         }
 171                         else {
 172                                 $_->{link} = pagetitle($_->{page});
 173                         }
 174                         $_->{baseurl}="$config{url}/" if length $config{url};
 175
 176                         $_;
 177                 } @{$change->{pages}}
 178         ];
 179         push @{$change->{pages}}, { link => '...' } if $is_excess;
 180
 181         if (length $config{cgiurl} &&
 182             exists $IkiWiki::hooks{rcs}{rcs_preprevert} &&
 183             exists $IkiWiki::hooks{rcs}{rcs_revert}) {
 184                 $change->{reverturl} = IkiWiki::cgiurl(
 185                         do => "revert",
 186                         rev => $change->{rev}
 187                 );
 188         }
 189
 190         $change->{author}=$change->{user};
 191         my $oiduser=eval { IkiWiki::openiduser($change->{user}) };
 192         if (defined $oiduser) {
 193                 $change->{authorurl}=$change->{user};
 194                 $change->{user}=defined $change->{nickname} ? $change->{nickname} : $oiduser;
 195         }
 196         elsif (length $config{cgiurl}) {
 197                 $change->{authorurl} = IkiWiki::cgiurl(
 198                         do => "goto",
 199                         page => IkiWiki::userpage($change->{author}),
 200                 );
 201         }
 202
 203         if (ref $change->{message}) {
 204                 foreach my $field (@{$change->{message}}) {
 205                         if (exists $field->{line}) {
 206                                 # escape html
 207                                 $field->{line} = encode_entities($field->{line});
 208                                 # escape links and preprocessor stuff
 209                                 $field->{line} = encode_entities($field->{line}, '\[\]');
 210                         }
 211                 }
 212         }
 213
 214         # Fill out a template with the change info.
 215         my $template=template("change.tmpl", blind_cache => 1);
 216         $template->param(
 217                 %$change,
 218                 commitdate => displaytime($change->{when}, "%X %x"),
 219                 wikiname => $config{wikiname},
 220         );
 221
 222         $template->param(permalink => "$config{url}/$config{recentchangespage}/#change-".titlepage($change->{rev}))
 223                 if exists $config{url};
 224
 225         IkiWiki::run_hooks(pagetemplate => sub {
 226                 shift->(page => $page, destpage => $page,
 227                         template => $template, rev => $change->{rev});
 228         });
 229
 230         my $file=$page."._change";
 231         writefile($file, $config{srcdir}, $template->output);
 232         utime $change->{when}, $change->{when}, "$config{srcdir}/$file";
 233
 234         return $page;
 235 }
 236
 237 1