X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/dae0f48e91304afcb6ebe0936360e51b22a56548..e3f7675264914032a21fca8a50170d6c0dd375f9:/IkiWiki/Plugin/aggregate.pm

diff --git a/IkiWiki/Plugin/aggregate.pm b/IkiWiki/Plugin/aggregate.pm
index ac55dcb1d..2a3f36fce 100644
--- 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};