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po: make the "backlinks involve dependencies" feature optional
[git.ikiwiki.info.git] / IkiWiki / Plugin / recentchanges.pm
diff --git a/IkiWiki/Plugin/recentchanges.pm b/IkiWiki/Plugin/recentchanges.pm
index 1c52a00f2e25cf54b301c629d323070d370fb7cc..ef108b3f00d4f031ef3ca3b0f1bab228f0dce279 100644 (file)
--- a/IkiWiki/Plugin/recentchanges.pm
+++ b/IkiWiki/Plugin/recentchanges.pm
@@ -3,82 +3,179 @@ package IkiWiki::Plugin::recentchanges;
 
 use warnings;
 use strict;
 
 use warnings;
 use strict;
-use IkiWiki 2.00;
-
-sub import { #{{{
-       hook(type => "needsbuild", id => "recentchanges",
-               call => \&needsbuild);
-       hook(type => "preprocess", id => "recentchanges",
-               call => \&preprocess);
-       hook(type => "htmlize", id => "_change",
-               call => \&htmlize);
-} #}}}
-
-sub needsbuild ($) { #{{{
-       my $needsbuild=shift;
-       my @changes=IkiWiki::rcs_recentchanges(100);
-       push @$needsbuild, updatechanges("*", "recentchanges", \@changes);
-} #}}}
-
-sub preprocess (@) { #{{{
-       my %params=@_;
-
-       # TODO
+use IkiWiki 3.00;
+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});
+               }
+       }
+}
 
 
-       return "";
-} #}}}
+# 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.
 
 # Pages with extension _change have plain html markup, pass through.
-sub htmlize (@) { #{{{
+sub htmlize (@) {
        my %params=@_;
        return $params{content};
        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();
 
 
-sub store ($$) { #{{{
+               # If the page is internal (like a comment), see if it has a
+               # permalink. Comments do.
+               if (IkiWiki::isinternal($page) &&
+                   defined $pagestate{$page}{meta}{permalink}) {
+                       IkiWiki::redirect($cgi,
+                                         $pagestate{$page}{meta}{permalink});
+                       exit;
+               }
+
+               my $link=bestlink("", $page);
+               if (! length $link) {
+                       print "Content-type: text/html\n\n";
+                       print IkiWiki::misctemplate(gettext(gettext("missing page")),
+                               "<p>".
+                               sprintf(gettext("The page %s does not exist."),
+                                       htmllink("", "", $page)).
+                               "</p>");
+               }
+               else {
+                       IkiWiki::redirect($cgi, urlto($link, undef, 1));
+               }
+
+               exit;
+       }
+}
+
+sub store ($$$) {
        my $change=shift;
        my $change=shift;
-       my $subdir=shift;
-       
-       my $page="$subdir/change_".IkiWiki::titlepage($change->{rev});
+
+       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).
 
        # Optimisation to avoid re-writing pages. Assumes commits never
        # change (or that any changes are not important).
-       return if exists $pagesources{$page} && ! $config{rebuild};
+       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 {
 
        # 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{url}) {
-                               $_->{link} = "<a href=\"$config{url}/".
-                                       urlto($_->{page},"")."\">".
-                                       IkiWiki::pagetitle($_->{page})."</a>";
+                       if (length $config{cgiurl}) {
+                               $_->{link} = "<a href=\"".
+                                       IkiWiki::cgiurl(
+                                               do => "recentchanges_link",
+                                               page => $_->{page}
+                                       ).
+                                       "\" rel=\"nofollow\">".
+                                       pagetitle($_->{page}).
+                                       "</a>"
                        }
                        else {
                        }
                        else {
-                               $_->{link} = IkiWiki::pagetitle($_->{page});
+                               $_->{link} = pagetitle($_->{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->{pages}}
        ];
        push @{$change->{pages}}, { link => '...' } if $is_excess;
 
        # See if the committer is an openid.
-       my $oiduser=IkiWiki::openiduser($change->{user});
+       $change->{author}=$change->{user};
+       my $oiduser=eval { IkiWiki::openiduser($change->{user}) };
        if (defined $oiduser) {
                $change->{authorurl}=$change->{user};
                $change->{user}=$oiduser;
        }
        if (defined $oiduser) {
                $change->{authorurl}=$change->{user};
                $change->{user}=$oiduser;
        }
-       elsif (length $config{url}) {
-               $change->{authorurl}="$config{url}/".
-                       (length $config{userdir} ? "$config{userdir}/" : "").
-                       $change->{user};
+       elsif (length $config{cgiurl}) {
+               $change->{authorurl} = IkiWiki::cgiurl(
+                       do => "recentchanges_link",
+                       page => (length $config{userdir} ? "$config{userdir}/" : "").$change->{author},
+               );
        }
 
        }
 
-       # escape  wikilinks and preprocessor stuff in commit messages
        if (ref $change->{message}) {
                foreach my $field (@{$change->{message}}) {
                        if (exists $field->{line}) {
        if (ref $change->{message}) {
                foreach my $field (@{$change->{message}}) {
                        if (exists $field->{line}) {
-                               $field->{line} =~ s/(?<!\\)\[\[/\\\[\[/g;
+                               # escape html
+                               $field->{line} = encode_entities($field->{line});
+                               # escape links and preprocessor stuff
+                               $field->{line} = encode_entities($field->{line}, '\[\]');
                        }
                }
        }
                        }
                }
        }
@@ -90,29 +187,20 @@ sub store ($$) { #{{{
                commitdate => displaytime($change->{when}, "%X %x"),
                wikiname => $config{wikiname},
        );
                commitdate => displaytime($change->{when}, "%X %x"),
                wikiname => $config{wikiname},
        );
-       $template->param(baseurl => "$config{url}/") if length $config{url};
+       
+       $template->param(permalink => "$config{url}/$config{recentchangespage}/#change-".titlepage($change->{rev}))
+               if exists $config{url};
+       
        IkiWiki::run_hooks(pagetemplate => sub {
        IkiWiki::run_hooks(pagetemplate => sub {
-               shift->(page => $page, destpage => $page, template => $template);
+               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";
        });
 
        my $file=$page."._change";
        writefile($file, $config{srcdir}, $template->output);
        utime $change->{when}, $change->{when}, "$config{srcdir}/$file";
-       return $file;
-} #}}}
-
-sub updatechanges ($$) { #{{{
-       my $pagespec=shift;
-       my $subdir=shift;
-       my @changes=@{shift()};
-       my @ret;
-       foreach my $change (@changes) {
-               my $file=store($change, $subdir);
-               push @ret, $file if defined $file;
-       }
-       # TODO: delete old
-       
-       return @ret;
-} #}}}
+
+       return $page;
+}
 
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