]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki/Plugin/comments.pm
fix comment permalink to always point to comment parent page
[git.ikiwiki.info.git] / IkiWiki / Plugin / comments.pm
index 4999c3f249480d0103781431fe8b629e9d3fa4e3..c50729a34cfe431cbac062a57c63174991db4ec5 100644 (file)
@@ -17,7 +17,7 @@ use constant CANCEL => "Cancel";
 
 my $postcomment;
 
-sub import { #{{{
+sub import {
        hook(type => "checkconfig", id => 'comments',  call => \&checkconfig);
        hook(type => "getsetup", id => 'comments',  call => \&getsetup);
        hook(type => "preprocess", id => '_comment', call => \&preprocess);
@@ -26,37 +26,32 @@ sub import { #{{{
        hook(type => "pagetemplate", id => "comments", call => \&pagetemplate);
        hook(type => "cgi", id => "comments", call => \&linkcgi);
        IkiWiki::loadplugin("inline");
-} # }}}
+}
 
-sub getsetup () { #{{{
+sub getsetup () {
        return
                plugin => {
                        safe => 1,
                        rebuild => 1,
                },
-               # Pages where comments are shown, but new comments are not
-               # allowed, will show "Comments are closed".
-               comments_shown_pagespec => {
+               comments_pagespec => {
                        type => 'pagespec',
-                       example => 'blog/*',
-                       default => '',
-                       description => 'PageSpec for pages where comments will be shown inline',
+                       example => 'blog/* and !*/Discussion',
+                       description => 'PageSpec of pages where comments are allowed',
                        link => 'ikiwiki/PageSpec',
                        safe => 1,
                        rebuild => 1,
                },
-               comments_open_pagespec => {
+               comments_closed_pagespec => {
                        type => 'pagespec',
-                       example => 'blog/* and created_after(close_old_comments)',
-                       default => '',
-                       description => 'PageSpec for pages where new comments can be posted',
+                       example => 'blog/controversial or blog/flamewar',
+                       description => 'PageSpec of pages where posting new comments is not allowed',
                        link => 'ikiwiki/PageSpec',
                        safe => 1,
                        rebuild => 1,
                },
                comments_pagename => {
                        type => 'string',
-                       example => 'comment_',
                        default => 'comment_',
                        description => 'Base name for comments, e.g. "comment_" for pages like "sandbox/comment_12"',
                        safe => 0, # manual page moving required
@@ -64,7 +59,6 @@ sub getsetup () { #{{{
                },
                comments_allowdirectives => {
                        type => 'boolean',
-                       default => 0,
                        example => 0,
                        description => 'Interpret directives in comments?',
                        safe => 1,
@@ -72,7 +66,6 @@ sub getsetup () { #{{{
                },
                comments_allowauthor => {
                        type => 'boolean',
-                       default => 0,
                        example => 0,
                        description => 'Allow anonymous commenters to set an author name?',
                        safe => 1,
@@ -81,22 +74,32 @@ sub getsetup () { #{{{
                comments_commit => {
                        type => 'boolean',
                        example => 1,
-                       default => 1,
                        description => 'commit comments to the VCS',
                        # old uncommitted comments are likely to cause
                        # confusion if this is changed
                        safe => 0,
                        rebuild => 0,
                },
-} #}}}
+}
+
+sub checkconfig () {
+       $config{comments_commit} = 1
+               unless defined $config{comments_commit};
+       $config{comments_pagespec} = ''
+               unless defined $config{comments_pagespec};
+       $config{comments_closed_pagespec} = ''
+               unless defined $config{comments_closed_pagespec};
+       $config{comments_pagename} = 'comment_'
+               unless defined $config{comments_pagename};
+}
 
-sub htmlize { # {{{
+sub htmlize {
        my %params = @_;
        return $params{content};
-} # }}}
+}
 
 # FIXME: copied verbatim from meta
-sub safeurl ($) { #{{{
+sub safeurl ($) {
        my $url=shift;
        if (exists $IkiWiki::Plugin::htmlscrubber::{safe_url_regexp} &&
            defined $IkiWiki::Plugin::htmlscrubber::safe_url_regexp) {
@@ -105,19 +108,19 @@ sub safeurl ($) { #{{{
        else {
                return 1;
        }
-} #}}}
+}
 
-sub preprocess { # {{{
+sub preprocess {
        my %params = @_;
        my $page = $params{page};
 
        my $format = $params{format};
-       if (defined $format && !exists $IkiWiki::hooks{htmlize}{$format}) {
+       if (defined $format && ! exists $IkiWiki::hooks{htmlize}{$format}) {
                error(sprintf(gettext("unsupported page format %s"), $format));
        }
 
        my $content = $params{content};
-       if (!defined $content) {
+       if (! defined $content) {
                error(gettext("comment must have content"));
        }
        $content =~ s/\\"/"/g;
@@ -165,10 +168,10 @@ sub preprocess { # {{{
        $pagestate{$page}{comments}{commentip} = $commentip;
        $pagestate{$page}{comments}{commentauthor} = $commentauthor;
        $pagestate{$page}{comments}{commentauthorurl} = $commentauthorurl;
-       if (!defined $pagestate{$page}{meta}{author}) {
+       if (! defined $pagestate{$page}{meta}{author}) {
                $pagestate{$page}{meta}{author} = $commentauthor;
        }
-       if (!defined $pagestate{$page}{meta}{authorurl}) {
+       if (! defined $pagestate{$page}{meta}{authorurl}) {
                $pagestate{$page}{meta}{authorurl} = $commentauthorurl;
        }
 
@@ -190,13 +193,10 @@ sub preprocess { # {{{
                $pagestate{$page}{meta}{title} = $params{subject};
        }
 
-       my $baseurl = urlto($params{destpage}, undef, 1);
-       my $anchor = "";
-       my $comments_pagename = $config{comments_pagename};
-       if ($params{page} =~ m/\/(\Q${comments_pagename}\E\d+)$/) {
-               $anchor = $1;
+       if ($params{page} =~ m/\/(\Q$config{comments_pagename}\E\d+)$/) {
+               $pagestate{$page}{meta}{permalink} = urlto(IkiWiki::dirname($params{page}), undef, 1).
+                       "#".$params{page};
        }
-       $pagestate{$page}{meta}{permalink} = "${baseurl}#${anchor}";
 
        eval q{use Date::Parse};
        if (! $@) {
@@ -204,24 +204,16 @@ sub preprocess { # {{{
                $IkiWiki::pagectime{$page} = $time if defined $time;
        }
 
-       # FIXME: hard-coded HTML (although it's just to set an ID)
-       return "<div id=\"$anchor\">$content</div>" if $anchor;
        return $content;
-} # }}}
-
-sub checkconfig () { #{{{
-       $config{comments_commit} = 1 unless defined $config{comments_commit};
-       $config{comments_pagename} = 'comment_'
-               unless defined $config{comments_pagename};
-} #}}}
+}
 
 # This is exactly the same as recentchanges_link :-(
-sub linkcgi ($) { #{{{
+sub linkcgi ($) {
        my $cgi=shift;
        if (defined $cgi->param('do') && $cgi->param('do') eq "commenter") {
 
                my $page=decode_utf8($cgi->param("page"));
-               if (!defined $page) {
+               if (! defined $page) {
                        error("missing page parameter");
                }
 
@@ -246,7 +238,7 @@ sub linkcgi ($) { #{{{
 
 # FIXME: basically the same logic as recentchanges
 # returns (author URL, pretty-printed version)
-sub linkuser ($) { # {{{
+sub linkuser ($) {
        my $user = shift;
        my $oiduser = eval { IkiWiki::openiduser($user) };
 
@@ -263,10 +255,10 @@ sub linkuser ($) { # {{{
                                        : "$user")
                        ), $user);
        }
-} # }}}
+}
 
 # Mostly cargo-culted from IkiWiki::plugin::editpage
-sub sessioncgi ($$) { #{{{
+sub sessioncgi ($$) {
        my $cgi=shift;
        my $session=shift;
 
@@ -289,9 +281,7 @@ sub sessioncgi ($$) { #{{{
                action => $config{cgiurl},
                header => 0,
                table => 0,
-               template => scalar IkiWiki::template_params('comments_form.tmpl'),
-               # wtf does this do in editpage?
-               wikiname => $config{wikiname},
+               template => scalar IkiWiki::template_params('editcomment.tmpl'),
        );
 
        IkiWiki::decode_form_utf8($form);
@@ -310,11 +300,9 @@ sub sessioncgi ($$) { #{{{
        }
        my @page_types;
        if (exists $IkiWiki::hooks{htmlize}) {
-               @page_types = grep { !/^_/ } keys %{$IkiWiki::hooks{htmlize}};
+               @page_types = grep { ! /^_/ } keys %{$IkiWiki::hooks{htmlize}};
        }
 
-       my $allow_author = $config{comments_allowauthor};
-
        $form->field(name => 'do', type => 'hidden');
        $form->field(name => 'sid', type => 'hidden', value => $session->id,
                force => 1);
@@ -326,7 +314,8 @@ sub sessioncgi ($$) { #{{{
 
        $form->tmpl_param(username => $session->param('name'));
 
-       if ($allow_author and !defined $session->param('name')) {
+       if ($config{comments_allowauthor} and
+           ! defined $session->param('name')) {
                $form->tmpl_param(allowauthor => 1);
                $form->field(name => 'author', type => 'text', size => '40');
                $form->field(name => 'url', type => 'text', size => '40');
@@ -343,15 +332,11 @@ sub sessioncgi ($$) { #{{{
        # it to file_pruned anyway
        my $page = $form->field('page');
        $page = IkiWiki::possibly_foolish_untaint($page);
-       if (!defined $page || !length $page ||
+       if (! defined $page || ! length $page ||
                IkiWiki::file_pruned($page, $config{srcdir})) {
                error(gettext("bad page name"));
        }
 
-       my $allow_directives = $config{comments_allowdirectives};
-       my $commit_comments = $config{comments_commit};
-       my $comments_pagename = $config{comments_pagename};
-
        # FIXME: is this right? Or should we be using the candidate subpage
        # (whatever that might mean) as the base URL?
        my $baseurl = urlto($page, undef, 1);
@@ -363,7 +348,7 @@ sub sessioncgi ($$) { #{{{
                htmllink($page, $page, 'ikiwiki/formatting',
                        noimageinline => 1,
                        linktext => 'FormattingHelp'),
-                       allowdirectives => $allow_directives);
+                       allowdirectives => $config{allow_directives});
 
        if ($form->submitted eq CANCEL) {
                # bounce back to the page they wanted to comment on, and exit.
@@ -378,7 +363,7 @@ sub sessioncgi ($$) { #{{{
                        $page));
        }
 
-       if (not pagespec_match($page, $config{comments_open_pagespec},
+       if (pagespec_match($page, $config{comments_closed_pagespec},
                location => $page)) {
                error(sprintf(gettext(
                        "comments on page '%s' are closed"),
@@ -391,25 +376,15 @@ sub sessioncgi ($$) { #{{{
        IkiWiki::check_canedit($page, $cgi, $session);
        $postcomment=0;
 
-       my $editcontent = $form->field('editcontent') || '';
-       $editcontent =~ s/\r\n/\n/g;
-       $editcontent =~ s/\r/\n/g;
-
-       # FIXME: check that the wiki is locked right now, because
-       # if it's not, there are mad race conditions!
-
        # FIXME: rather a simplistic way to make the comments...
        my $i = 0;
        my $file;
        my $location;
        do {
                $i++;
-               $location = "$page/${comments_pagename}${i}";
+               $location = "$page/$config{comments_pagename}$i";
        } while (-e "$config{srcdir}/$location._comment");
 
-       my $anchor = "${comments_pagename}${i}";
-
-       $editcontent =~ s/"/\\"/g;
        my $content = "[[!_comment format=$type\n";
 
        # FIXME: handling of double quotes probably wrong?
@@ -425,7 +400,7 @@ sub sessioncgi ($$) { #{{{
                }
        }
 
-       if ($allow_author) {
+       if ($config{comments_allowauthor}) {
                my $author = $form->field('author');
                if (length $author) {
                        $author =~ s/"/&quot;/g;
@@ -446,6 +421,10 @@ sub sessioncgi ($$) { #{{{
 
        $content .= " date=\"" . decode_utf8(strftime('%Y-%m-%dT%H:%M:%SZ', gmtime)) . "\"\n";
 
+       my $editcontent = $form->field('editcontent') || '';
+       $editcontent =~ s/\r\n/\n/g;
+       $editcontent =~ s/\r/\n/g;
+       $editcontent =~ s/"/\\"/g;
        $content .= " content=\"\"\"\n$editcontent\n\"\"\"]]\n";
 
        # This is essentially a simplified version of editpage:
@@ -466,7 +445,7 @@ sub sessioncgi ($$) { #{{{
                                        content => $preview);
                        });
 
-               my $template = template("comments_display.tmpl");
+               my $template = template("comment.tmpl");
                $template->param(content => $preview);
                $template->param(title => $form->field('subject'));
                $template->param(ctime => displaytime(time));
@@ -480,7 +459,7 @@ sub sessioncgi ($$) { #{{{
        if ($form->submitted eq POST_COMMENT && $form->validate) {
                my $file = "$location._comment";
 
-               IkiWiki::checksessionexpiry($session, $cgi->param('sid'));
+               IkiWiki::checksessionexpiry($cgi, $session);
 
                # FIXME: could probably do some sort of graceful retry
                # on error? Would require significant unwinding though
@@ -488,7 +467,7 @@ sub sessioncgi ($$) { #{{{
 
                my $conflict;
 
-               if ($config{rcs} and $commit_comments) {
+               if ($config{rcs} and $config{comments_commit}) {
                        my $message = gettext("Added a comment");
                        if (defined $form->field('subject') &&
                                length $form->field('subject')) {
@@ -514,9 +493,8 @@ sub sessioncgi ($$) { #{{{
                # breaks it or something
                error($conflict) if defined $conflict;
 
-               # Bounce back to where we were, but defeat broken caches
-               my $anticache = "?updated=$page/${comments_pagename}${i}";
-               IkiWiki::redirect($cgi, urlto($page, undef, 1).$anticache);
+               # Jump to the new comment on the page.
+               IkiWiki::redirect($cgi, urlto($page, undef, 1)."#$location");
        }
        else {
                IkiWiki::showform ($form, \@buttons, $session, $cgi,
@@ -524,40 +502,41 @@ sub sessioncgi ($$) { #{{{
        }
 
        exit;
-} #}}}
+}
+
+sub commentsshown ($) {
+       my $page=shift;
+
+       return ! pagespec_match($page, "*/$config{comments_pagename}*",
+                               location => $page) &&
+              pagespec_match($page, $config{comments_pagespec},
+                             location => $page);
+}
+
+sub commentsopen ($) {
+       my $page = shift;
 
-sub pagetemplate (@) { #{{{
+       return length $config{cgiurl} > 0 &&
+              (! length $config{comments_closed_pagespec} ||
+               ! pagespec_match($page, $config{comments_closed_pagespec},
+                                location => $page));
+}
+
+sub pagetemplate (@) {
        my %params = @_;
 
        my $page = $params{page};
        my $template = $params{template};
+       my $shown = ($template->query(name => 'commentslink') ||
+                    $template->query(name => 'comments')) &&
+                   commentsshown($page);
 
        if ($template->query(name => 'comments')) {
                my $comments = undef;
-
-               my $comments_pagename = $config{comments_pagename};
-
-               my $open = 0;
-               my $shown = pagespec_match($page,
-                       $config{comments_shown_pagespec},
-                       location => $page);
-
-               if (pagespec_match($page, "*/${comments_pagename}*",
-                               location => $page)) {
-                       $shown = 0;
-                       $open = 0;
-               }
-
-               if (length $config{cgiurl}) {
-                       $open = pagespec_match($page,
-                               $config{comments_open_pagespec},
-                               location => $page);
-               }
-
                if ($shown) {
                        $comments = IkiWiki::preprocess_inline(
-                               pages => "internal($page/${comments_pagename}*)",
-                               template => 'comments_display',
+                               pages => "internal($page/$config{comments_pagename}*)",
+                               template => 'comment',
                                show => 0,
                                reverse => 'yes',
                                page => $page,
@@ -571,13 +550,27 @@ sub pagetemplate (@) { #{{{
                        $template->param(comments => $comments);
                }
 
-               if ($open) {
+               if ($shown && commentsopen($page)) {
                        my $commenturl = IkiWiki::cgiurl(do => 'comment',
                                page => $page);
                        $template->param(commenturl => $commenturl);
                }
        }
 
+       if ($template->query(name => 'commentslink')) {
+               # XXX Would be nice to say how many comments there are in
+               # the link. But, to update the number, blog pages
+               # would have to update whenever comments of any inlines
+               # page are added, which is not currently done.
+               if ($shown) {
+                       $template->param(commentslink =>
+                               htmllink($page, $params{destpage}, $page,
+                                       linktext => gettext("Comments"),
+                                       anchor => "comments",
+                                       noimageinline => 1));
+               }
+       }
+
        if ($template->query(name => 'commentuser')) {
                $template->param(commentuser =>
                        $pagestate{$page}{comments}{commentuser});
@@ -597,7 +590,7 @@ sub pagetemplate (@) { #{{{
                $template->param(commentauthorurl =>
                        $pagestate{$page}{comments}{commentauthorurl});
        }
-} # }}}
+}
 
 package IkiWiki::PageSpec;