* recentchanges: Improve handling of links on the very static changes pages
[ikiwiki.git] / IkiWiki / Plugin / recentchanges.pm
index 8f707afc4dba3dfd099369f0de8696249d89642a..e23ee491fa6f7f20334ee8acce31af865e56c4cb 100644 (file)
@@ -6,25 +6,44 @@ use strict;
 use IkiWiki 2.00;
 
 sub import { #{{{
-       hook(type => "refresh", id => "recentchanges",
-               call => \&refresh);
-       hook(type => "preprocess", id => "recentchanges",
-               call => \&preprocess);
-       hook(type => "htmlize", id => "_change",
-               call => \&htmlize);
+       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 refresh ($) { #{{{
-       my @changes=IkiWiki::rcs_recentchanges(100);
-       updatechanges("*", "recentchanges", \@changes);
+sub checkconfig () { #{{{
+       $config{recentchangespage}='recentchanges' unless defined $config{recentchangespage};
+       $config{recentchangesnum}=100 unless defined $config{recentchangesnum};
 } #}}}
 
-sub preprocess (@) { #{{{
-       my %params=@_;
+sub refresh ($) { #{{{
+       my %seen;
 
-       # TODO
+       # add new changes
+       foreach my $change (IkiWiki::rcs_recentchanges($config{recentchangesnum})) {
+               $seen{store($change, $config{recentchangespage})}=1;
+       }
+       
+       # delete old and excess changes
+       foreach my $page (keys %pagesources) {
+               if ($page=~/^\Q$config{recentchangespage}\E\/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 ($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.
@@ -33,11 +52,43 @@ sub htmlize (@) { #{{{
        return $params{content};
 } #}}}
 
-sub store ($$) { #{{{
+sub cgi ($) { #{{{
+       my $cgi=shift;
+       if (defined $cgi->param('do') && $cgi->param('do') eq "recentchanges_link") {
+               # This is a link from a change page to some
+               # other page. Since the change pages are only generated
+               # once, statically, links on them won't be updated if the
+               # page they link to is deleted, or newly created, or
+               # changes for whatever reason. So this CGI handles that
+               # dynamic linking stuff.
+               my $page=$cgi->param("page");
+               if (!defined $page) {
+                       error("missing page parameter");
+               }
+
+               IkiWiki::loadindex();
+
+               my $link=bestlink("", $page);
+               if (! length $link) {
+                       print "Content-type: text/html\n\n";
+                       print IkiWiki::misctemplate(gettext(gettext("missing page")),
+                               "<p>".
+                               sprintf(gettext("The page %s does not exist."),
+                                       htmllink("", "", $page)).
+                               "</p>");
+               }
+               else {
+                       IkiWiki::redirect($cgi, $config{url}."/".htmlpage($link));
+               }
+
+               exit;
+       }
+}
+
+sub store ($$$) { #{{{
        my $change=shift;
-       my $subdir=shift;
-       
-       my $page="$subdir/change_".IkiWiki::titlepage($change->{rev});
+
+       my $page="$config{recentchangespage}/change_".IkiWiki::titlepage($change->{rev});
 
        # Optimisation to avoid re-writing pages. Assumes commits never
        # change (or that any changes are not important).
@@ -48,29 +99,38 @@ sub store ($$) { #{{{
        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 => $_->{page}
+                                       ).
+                                       "\">".
+                                       IkiWiki::pagetitle($_->{page}).
+                                       "</a>"
                        }
                        else {
                                $_->{link} = IkiWiki::pagetitle($_->{page});
                        }
+                       $_->{baseurl}="$config{url}/" if length $config{url};
+
                        $_;
                } @{$change->{pages}}
        ];
        push @{$change->{pages}}, { link => '...' } if $is_excess;
 
        # See if the committer is an openid.
-       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;
        }
-       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
@@ -89,7 +149,6 @@ sub store ($$) { #{{{
                commitdate => displaytime($change->{when}, "%X %x"),
                wikiname => $config{wikiname},
        );
-       $template->param(baseurl => "$config{url}/") if length $config{url};
        IkiWiki::run_hooks(pagetemplate => sub {
                shift->(page => $page, destpage => $page, template => $template);
        });
@@ -102,23 +161,9 @@ sub store ($$) { #{{{
 } #}}}
 
 sub updatechanges ($$) { #{{{
-       my $pagespec=shift;
        my $subdir=shift;
        my @changes=@{shift()};
        
-       my %seen;
-
-       # add new changes
-       foreach my $change (@changes) {
-               $seen{store($change, $subdir)}=1;
-       }
-       
-       # delete old and excess changes
-       foreach my $page (keys %pagesources) {
-               if ($page=~/^\Q$subdir\E\/change_/ && ! $seen{$page}) {
-                       unlink($config{srcdir}.'/'.$pagesources{$page});
-               }
-       }
 } #}}}
 
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