* Patch from Emanuele Aina to fix modification time code in mercurual

[ikiwiki.git] / IkiWiki / Plugin / aggregate.pm

diff --git a/IkiWiki/Plugin/aggregate.pm b/IkiWiki/Plugin/aggregate.pm
index ac55dcb1daa5ec5daf959929e97bd6d614625819..2a3f36fcebd07be205075b81e57c49737ce35d74 100644 (file)
--- a/IkiWiki/Plugin/aggregate.pm
+++ b/IkiWiki/Plugin/aggregate.pm
@@ -9,6 +9,7 @@ use HTML::Entities;
 use HTML::Parser;
 use HTML::Tagset;
 use URI;
+use open qw{:utf8 :std};
 
 my %feeds;
 my %guids;
@@ -24,6 +25,7 @@ sub import { #{{{
 
 sub getopt () { #{{{
         eval q{use Getopt::Long};
+       error($@) if $@;
         Getopt::Long::Configure('pass_through');
         GetOptions("aggregate" => \$config{aggregate});
 } #}}}
@@ -34,6 +36,7 @@ sub checkconfig () { #{{{
        if ($config{aggregate}) {
                IkiWiki::loadindex();
                aggregate();
+               expire();
                savestate();
        }
        IkiWiki::unlockwiki();
@@ -79,10 +82,12 @@ sub preprocess (@) { #{{{
        $feed->{expireage}=defined $params{expireage} ? $params{expireage} : 0;
        $feed->{expirecount}=defined $params{expirecount} ? $params{expirecount} : 0;
        delete $feed->{remove};
+       delete $feed->{expired};
        $feed->{lastupdate}=0 unless defined $feed->{lastupdate};
        $feed->{numposts}=0 unless defined $feed->{numposts};
        $feed->{newposts}=0 unless defined $feed->{newposts};
        $feed->{message}="new feed" unless defined $feed->{message};
+       $feed->{error}=0 unless defined $feed->{error};
        $feed->{tags}=[];
        while (@_) {
                my $key=shift;
@@ -93,7 +98,9 @@ sub preprocess (@) { #{{{
        }
 
        return "<a href=\"".$feed->{url}."\">".$feed->{name}."</a>: ".
-              "<i>".$feed->{message}."</i> (".$feed->{numposts}." posts".
+              ($feed->{error} ? "<em>" : "").$feed->{message}.
+              ($feed->{error} ? "</em>" : "").
+              " (".$feed->{numposts}." posts".
               ($feed->{newposts} ? "; ".$feed->{newposts}." new" : "").
               ")";
 } # }}}
@@ -144,7 +151,7 @@ sub loadstate () { #{{{
 
 sub savestate () { #{{{
        eval q{use HTML::Entities};
-       die $@ if $@;
+       error($@) if $@;
        open (OUT, ">$config{wikistatedir}/aggregate" ||
                die "$config{wikistatedir}/aggregate: $!");
        foreach my $data (values %feeds, values %guids) {
@@ -161,6 +168,11 @@ sub savestate () { #{{{
                        }
                        next;
                }
+               elsif ($data->{expired} && exists $data->{page}) {
+                       unlink pagefile($data->{page});
+                       delete $data->{page};
+                       delete $data->{md5};
+               }
 
                my @line;
                foreach my $field (keys %$data) {
@@ -180,11 +192,37 @@ sub savestate () { #{{{
        close OUT;
 } #}}}
 
+sub expire () { #{{{
+       foreach my $feed (values %feeds) {
+               next unless $feed->{expireage} || $feed->{expirecount};
+               my $count=0;
+               foreach my $item (sort { $IkiWiki::pagectime{$b->{page}} <=> $IkiWiki::pagectime{$a->{page}} }
+                                 grep { exists $_->{page} && $_->{feed} eq $feed->{name} && $IkiWiki::pagectime{$_->{page}} }
+                                 values %guids) {
+                       if ($feed->{expireage}) {
+                               my $days_old = (time - $IkiWiki::pagectime{$item->{page}}) / 60 / 60 / 24;
+                               if ($days_old > $feed->{expireage}) {
+                                       debug("expiring ".$item->{page}." ($days_old days old)");
+                                       $item->{expired}=1;
+                               }
+                       }
+                       elsif ($feed->{expirecount} &&
+                              $count >= $feed->{expirecount}) {
+                               debug("expiring ".$item->{page});
+                               $item->{expired}=1;
+                       }
+                       else {
+                               $count++;
+                       }
+               }
+       }
+} #}}}
+
 sub aggregate () { #{{{
        eval q{use XML::Feed};
-       die $@ if $@;
+       error($@) if $@;
        eval q{use HTML::Entities};
-       die $@ if $@;
+       error($@) if $@;
 
        foreach my $feed (values %feeds) {
                next unless $config{rebuild} || 
@@ -199,6 +237,7 @@ sub aggregate () { #{{{
                        my @urls=XML::Feed->find_feeds($feed->{url});
                        if (! @urls) {
                                $feed->{message}="could not find feed at ".$feed->{feedurl};
+                               $feed->{error}=1;
                                debug($feed->{message});
                                next;
                        }
@@ -207,11 +246,13 @@ sub aggregate () { #{{{
                my $f=eval{XML::Feed->parse(URI->new($feed->{feedurl}))};
                if ($@) {
                        $feed->{message}="feed crashed XML::Feed! $@";
+                       $feed->{error}=1;
                        debug($feed->{message});
                        next;
                }
                if (! $f) {
                        $feed->{message}=XML::Feed->errstr;
+                       $feed->{error}=1;
                        debug($feed->{message});
                        next;
                }
@@ -229,9 +270,8 @@ sub aggregate () { #{{{
 
                $feed->{message}="processed ok at ".
                        displaytime($feed->{lastupdate});
+               $feed->{error}=0;
        }
-
-       # TODO: expiry
 } #}}}
 
 sub add_page (@) { #{{{
@@ -243,6 +283,7 @@ sub add_page (@) { #{{{
        if (exists $guids{$params{guid}}) {
                # updating an existing post
                $guid=$guids{$params{guid}};
+               return if $guid->{expired};
        }
        else {
                # new post
@@ -276,6 +317,7 @@ sub add_page (@) { #{{{
        # to avoid unneccessary rebuilding. The mtime from rss cannot be
        # trusted; let's use a digest.
        eval q{use Digest::MD5 'md5_hex'};
+       error($@) if $@;
        require Encode;
        my $digest=md5_hex(Encode::encode_utf8($params{content}));
        return unless ! exists $guid->{md5} || $guid->{md5} ne $digest || $config{rebuild};