--- loncom/interface/lonrss.pm 2006/06/02 10:02:37 1.24
+++ loncom/interface/lonrss.pm 2006/12/09 23:33:55 1.32
@@ -1,7 +1,7 @@
# The LearningOnline Network
# RSS Feeder
#
-# $Id: lonrss.pm,v 1.24 2006/06/02 10:02:37 www Exp $
+# $Id: lonrss.pm,v 1.32 2006/12/09 23:33:55 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -92,10 +92,11 @@ sub advertisefeeds {
if ($edit) {
$mode='adm';
}
+ my $server = &Apache::lonnet::absolute_url();
foreach my $feed (sort(keys(%feednames))) {
if (($feed!~/^error\:/) && ($feed!~/^feed\_display\_option\_/)) {
- my $feedurl='http://'.$ENV{'HTTP_HOST'}.'/public/'.$udom.'/'.$uname.'/'.$feed.'.rss';
- my $htmlurl='http://'.$ENV{'HTTP_HOST'}.'/'.$mode.'/'.$udom.'/'.$uname.'/'.$feed.'_rss.html';
+ my $feedurl= $server.'/public/'.$udom.'/'.$uname.'/'.$feed.'.rss';
+ my $htmlurl= $server.'/'.$mode.'/'.$udom.'/'.$uname.'/'.$feed.'_rss.html';
if ($feednames{'feed_display_option_'.$feed} eq 'hidden') {
if ($edit) {
$feeds.='<li><i>'.$feednames{$feed}.'</i><br />'.&mt('Hidden').': <a href="'.$htmlurl.'"><tt>'.$htmlurl.'</tt></a></li>';
@@ -200,16 +201,62 @@ sub add_blog_entry_link {
my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype,$linktext)=@_;
return "<a href='/adm/$udom/$uname/".&filterfeedname($filename).'_rss.html?queryid='.
&escape($id).
- '&title='.&escape($title).
- '&description='.&escape($description).
- '&url='.&escape($url).
- '&status='.&escape($status).
- '&encurl='.&escape($encurl).
- '&enctype='.&escape($enctype).
+ '&title='.&escape($title).
+ '&description='.&escape($description).
+ '&url='.&escape($url).
+ '&status='.&escape($status).
+ '&encurl='.&escape($encurl).
+ '&enctype='.&escape($enctype).
"'>".$linktext.'</a>';
}
+sub blocking_blogdisplay {
+ my ($uname,$udom,$html,$filterfeedname) = @_;
+ my $user = &Apache::loncommon::plainname($uname,$udom);
+ if ($html) {
+ $user = &Apache::loncommon::aboutmewrapper($user,$uname,$udom);
+ } else {
+ $user = $user.' ('.$uname.':'.$udom.')';
+ }
+ my %setters;
+ my ($blocked,$output,$blockcause);
+ my ($startblock,$endblock) =
+ &Apache::loncommon::blockcheck(\%setters,'blogs');
+ if ($startblock && $endblock) {
+ $blockcause = 'user';
+ } else {
+ if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
+ ($startblock,$endblock) =
+ &Apache::loncommon::blockcheck(\%setters,'blogs',
+ $uname,$udom);
+ $blockcause = 'blogowner';
+ }
+ }
+ if ($startblock && $endblock) {
+ $blocked = 1;
+ my $showstart = &Apache::lonlocal::locallocaltime($startblock);
+ my $showend = &Apache::lonlocal::locallocaltime($endblock);
+ $output = &mt('Blogs belonging to [_1] are unavailable from [_2] to [_3].',$user,$showstart,$showend);
+ if ($html) {$output.='<br />';}
+ if ($blockcause eq 'user') {
+ $output .= &mt('This is because you are a student in one or more courses in which communication is being blocked.');
+ if ($html) {
+ $output .= '<br />'.
+ &Apache::loncommon::build_block_table($startblock,
+ $endblock,\%setters);
+ }
+ } else {
+ $output .= &mt('This is because the blog owner is a student in one or more courses in which communication is being blocked.');
+ }
+ if (!$html) {
+ my $id = &get_new_feed_id();
+ $output = '<title/><item><title/><description>'.$output."</description><link/><guid isPermaLink='false'>".$id.$filterfeedname.'_'.$udom.'_'.$uname.'</guid></item>';
+ }
+ }
+ return ($blocked,$output);
+}
+
sub handler {
my ($r) = @_;
@@ -240,15 +287,22 @@ sub handler {
my $filterfeedname=&filterfeedname($filename);
my $feedname=&feedname($filename);
my ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);
+ my ($blocked,$blocktext);
+ if (!&Apache::lonnet::is_course($udom,$uname)) {
+ ($blocked,$blocktext) = &blocking_blogdisplay($uname,$udom,$html,$filterfeedname);
+ }
if ($html) {
- $r->print(&Apache::loncommon::start_page(($displayfeedname?$displayfeedname:&mt("Available RSS Feeds and Blogs")),undef,
+ my $title = $displayfeedname?$displayfeedname
+ :"Available RSS Feeds and Blogs";
+ $r->print(&Apache::loncommon::start_page($title,undef,
{'domain' => $udom,
'force_register' =>
$env{'form.register'}}).
&changed_js());
} else { # render RSS
+ my $server = &Apache::lonnet::absolute_url();
$r->print("<rss version='2.0' xmlns:dc='http://purl.org/dc/elements/1.1'>\n<channel>".
- "\n<link>http://".$ENV{'HTTP_HOST'}.'/public/'.$udom.'/'.$uname.'/'.
+ "\n".'<link>'.$server.'/public/'.$udom.'/'.$uname.'/'.
$filterfeedname.'_rss.html</link>'.
"\n<description>".
&mt('An RSS Feed provided by the LON-CAPA Learning Content Management System').
@@ -258,7 +312,7 @@ sub handler {
my $newid = &get_new_feed_id();
# Is this user for real?
my $homeserver=&Apache::lonnet::homeserver($uname,$udom);
- if ($html) {
+ if ($html && !$blocked) {
# Any new feeds or renaming of feeds?
if ($edit) {
# Hide a feed?
@@ -287,10 +341,13 @@ sub handler {
}
if ($homeserver eq 'no_host') {
$r->print(($html?'<h3>':'<title>').&mt('No feed available').($html?'</h3>':'</title>'));
+ } elsif ($blocked) {
+ $r->print($blocktext);
+ $r->print(($html?&Apache::loncommon::end_page():'</channel></rss>'."\n"));
} else { # is indeed a user
# Course or user?
my $name='';
- if ($uname=~/^\d/) {
+ if (&Apache::lonnet::is_course($udom,$uname)) {
my %cenv=&Apache::lonnet::dump('environment',$udom,$uname);
$name=$cenv{'description'};
} else {
@@ -337,7 +394,7 @@ sub handler {
&editentry($id,$uname,$udom,$feedname,
$env{'form.'.$id.'_title'},
$env{'form.'.$id.'_description'},
- $env{'form.'.$id.'_url'},
+ $env{'form.'.$id.'_link'},
$env{'form.'.$id.'_status'},
$env{'form.'.$id.'_enclosureurl'},
$env{'form.'.$id.'_enclosuretype'},
@@ -347,6 +404,8 @@ sub handler {
}
} #done storing
+# Render private items?
+ my $viewpubliconly=1;
$r->print("\n".
($html?'<hr /><h3>':'<title>').
&mt('LON-CAPA Feed "[_1]" for [_2]',$displayfeedname,$name).
@@ -355,11 +414,9 @@ sub handler {
&mt('Name of this Feed').
': <input type="text" size="50" name="newblogname" value="'.
$displayfeedname.'" />':'').'<ul>':'</title>'));
-# Render private items?
- my $viewpubliconly=1;
if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {
$viewpubliconly=0;
- }
+ }
# Get feed items
my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname);
foreach my $entry (sort(keys(%newsfeed)),$newid.'_status') {
@@ -400,12 +457,16 @@ ENDEDIT
} else { # not in edit mode, just displaying
if (($newsfeed{$id.'_status'} ne 'public') && ($viewpubliconly)) { next; }
if ($newsfeed{$id.'_status'} eq 'hidden') { next; }
+ my $link = $newsfeed{$id.'_link'};
+ if ($link =~ m|^/| ) {
+ $link = "http://".$ENV{'HTTP_HOST'}.$link;
+ }
$r->print("\n".($html?"\n<li><b>":"<item>\n<title>").$newsfeed{$id.'_title'}.
($html?"</b><br />\n":"</title>\n<description>").
$newsfeed{$id.'_description'}.
($html?"<br />\n<a href='":"</description>\n<link>").
- "http://".$ENV{'HTTP_HOST'}.
- $newsfeed{$id.'_link'}.
+
+ $link.
($html?("'>".&mt('Read more')."</a><br />\n"):"</link>\n"));
# Enclosure? Get stats
if ($newsfeed{$id.'_enclosureurl'}) {