--- loncom/interface/lonrss.pm	2007/01/18 19:27:33	1.34
+++ loncom/interface/lonrss.pm	2013/05/25 21:50:19	1.52
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # RSS Feeder
 #
-# $Id: lonrss.pm,v 1.34 2007/01/18 19:27:33 www Exp $
+# $Id: lonrss.pm,v 1.52 2013/05/25 21:50:19 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -61,6 +61,9 @@ sub displayfeedname {
     my $name=$filterfilename; 
     if ($name=~/^CourseBlog/) {
         $name=&mt('Course Blog');
+        if ($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Community') {
+            $name = &mt('Community Blog'); 
+        }
 	if ($env{'course.'.$env{'request.course.id'}.'.description'}) {
 	    $name.=' '.$env{'course.'.$env{'request.course.id'}.'.description'};
 	}
@@ -85,7 +88,7 @@ sub changefeeddisplay {
 }
 
 sub advertisefeeds {
-    my ($uname,$udom,$edit)=@_;
+    my ($uname,$udom,$edit,$count,$hidden)=@_;
     my $feeds='';
     my %feednames=&Apache::lonnet::dump('nohist_all_rss_feeds',$udom,$uname);
     my $mode='public';
@@ -94,18 +97,33 @@ sub advertisefeeds {
     }
     my $server = &Apache::lonnet::absolute_url();
     foreach my $feed (sort(keys(%feednames))) {
-	if (($feed!~/^error\:/) && ($feed!~/^feed\_display\_option\_/)) {
-	    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>';
-		}
-	    } else {
-		$feeds.='<li><b>'.$feednames{$feed}.
-		    '</b><br />'.($edit?&mt('Edit'):'HTML').': <a href="'.$htmlurl.'"><tt>'.$htmlurl.'</tt></a>'.
-		    '<br />'.&mt('Public RSS/podcast (subscribe to)').': <a href="'.$feedurl.'"><tt>'.$feedurl.'</tt></a></li>';
+	next if ($feed =~/^\s*$/    ||
+		 $feed =~ /^error:/ ||
+		 $feed =~ /^feed_display_option_/);
+        if ($feednames{'feed_display_option_'.$feed} eq 'hidden') {
+            if (ref($hidden)) {
+                $$hidden ++;
+            }
+            if (ref($count)) {
+                unless ($edit) {
+                    next;
+                }
+            }
+        } else {
+            if (ref($count)) {
+                $$count ++;
+            }
+        }
+	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>';
 	    }
+	} else {
+	    $feeds.='<li><b>'.$feednames{$feed}.
+		'</b><br />'.($edit?&mt('Edit'):'HTML').': <a href="'.$htmlurl.'"><tt>'.$feednames{$feed}.' HTML</tt></a>'.
+		'<br />'.&mt('Public RSS/podcast (subscribe to)').': <a href="'.$feedurl.'"><tt>'.$feednames{$feed}.' RSS/Podcast</tt></a></li>';
 	}
     }
     if ($feeds) {
@@ -116,8 +134,22 @@ sub advertisefeeds {
 }
 
 sub rss_link {
-    my ($url) = @_;
-    return qq|<link rel="alternate" type="application/rss+xml" title="Course Announcements" href="$url" />|;
+    my ($uname,$udom)=@_;
+    my $result;
+    my $server = &Apache::lonnet::absolute_url();
+    my %feednames=&Apache::lonnet::dump('nohist_all_rss_feeds',$udom,$uname);
+    foreach my $feed (sort(keys(%feednames))) {
+	next if ($feed =~/^\s*$/    ||
+		 $feed =~ /^error:/ ||
+		 $feed =~/^feed_display_option_/ );
+	my $url= $server.'/public/'.$udom.'/'.$uname.'/'.$feed.'.rss';
+	my $title = $feed;
+	$title =~ s/_/ /g;
+	$result.=qq|
+<link rel="alternate" type="application/rss+xml" title="$title" href="$url" />
+|;
+    }
+    return $result;
 }
 
 {
@@ -242,9 +274,11 @@ sub blocking_blogdisplay {
         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,
-                                                        $endblock,\%setters);
+                #$output .= '<br />'.
+                       #&Apache::loncommon::build_block_table($startblock,
+                       #                                 $endblock,\%setters);
+                 my ($blocked, $blocktext) = Apache::loncommon::blocking_status('blogs');
+                 $output .= '<br /><br />'.$blocktext;
             }
         } else {
             $output .= &mt('This is because the blog owner is a student in one or more courses in which communication is being blocked.');
@@ -267,7 +301,9 @@ sub handler {
 	$edit=1;
 	$html=1;
     }
-    if  (($mode eq 'adm') && (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
+    if  (($mode eq 'adm') && (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))
+        && ($uname eq $env{'course.'.$env{'request.course.id'}.'.num'} &&
+            $udom eq $env{'course.'.$env{'request.course.id'}.'.domain'})) {
 	$edit=1;
 	$html=1;
     }
@@ -287,17 +323,33 @@ sub handler {
     my $filterfeedname=&filterfeedname($filename);
     my $feedname=&feedname($filename);
     my ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);
-    my ($blocked,$blocktext);
+    my ($blocked,$blocktext,$disabled,$disabletext);
     if (!&Apache::lonnet::is_course($udom,$uname)) {
         ($blocked,$blocktext) = &blocking_blogdisplay($uname,$udom,$html,$filterfeedname);
+        if (&Apache::lonnet::usertools_access($uname,$udom,'blog')) {
+            $disabled = 0;
+        } else {
+            $disabled = 1;
+            if ($html) {
+                $disabletext = '<h2>'.&mt('No user blog available') .'</h2>'.
+                               &mt('This is a result of one of the following:').'<ul>'.
+                               '<li>'.&mt('The administrator of this domain has disabled blog functionality for this specific user.').'</li>'.
+                               '<li>'.&mt('The domain has been configured to disable, by default, blog functionality for all users in the domain.').'</li>'.
+                               '</ul>';
+            } else {
+                $disabletext = &mt('No user blog available');
+            }
+        }
     }
     if ($html) {
-	my $title = $displayfeedname?$displayfeedname
-                                    :"Available RSS Feeds and Blogs";
-	$r->print(&Apache::loncommon::start_page($title,undef,
-						 {'domain'         => $udom,
-						  'force_register' =>
-						      $env{'form.register'}}).
+#	my $title = $displayfeedname?$displayfeedname:"Available RSS Feeds and Blogs";
+        my $title = "My Space";
+	my $rss_link = &Apache::lonrss::rss_link($uname,$udom);
+	my $brcrumb = [{href=>$rss_link,text=>"Available RSS Feeds and Blogs"}];
+	$r->print(&Apache::loncommon::start_page($title,$rss_link,
+			 {'bread_crumbs'   => $brcrumb,
+			  'domain'         => $udom,
+			  'force_register' => $env{'form.register'}}).
 		  &changed_js());
     } else { # render RSS
         my $server = &Apache::lonnet::absolute_url();
@@ -312,7 +364,7 @@ sub handler {
     my $newid = &get_new_feed_id();
 # Is this user for real?
     my $homeserver=&Apache::lonnet::homeserver($uname,$udom);
-    if ($html && !$blocked) {
+    if ($html && !$blocked && !$disabled) {
 # Any new feeds or renaming of feeds?
 	if ($edit) {
 # Hide a feed?
@@ -344,6 +396,9 @@ sub handler {
     } elsif ($blocked) {
         $r->print($blocktext);
         $r->print(($html?&Apache::loncommon::end_page():'</channel></rss>'."\n"));
+    } elsif ($disabled) {
+        $r->print($disabletext);
+        $r->print(($html?&Apache::loncommon::end_page():'</channel></rss>'."\n"));
     } else { # is indeed a user
 # Course or user?
 	my $name='';
@@ -355,9 +410,10 @@ sub handler {
 	}
 # Add a new feed
         if (($html) && ($edit)) {
-	    $r->print('<form method="post" name="makenewfeed">');
-            $r->print(&mt('Name for New Feed').": <input type='text' size='40' name='namenewblog' />");
-	    $r->print('<input type="submit" value="'.&mt('Start a New Feed').'" />');
+	    $r->print('<h4>' . &mt('New RSS Feed or Blog'). '</h4>');
+	    $r->print('<form method="post" name="makenewfeed" action="">');
+            $r->print(&mt('Name').": <input type='text' size='40' name='namenewblog' />");
+	    $r->print('<input type="submit" value="'.&mt('New Feed').'" />');
 	    $r->print('</form>');
 	}
         if ($displayfeedname) { # this is an existing feed
@@ -457,7 +513,7 @@ sub handler {
 		      ($html?'<hr /><h3>':'<title>').
 		      &mt('LON-CAPA Feed "[_1]" for [_2]',$displayfeedname,$name).
 		      ($displayoption eq 'hidden'?' ('.&mt('Hidden').')':'').
-		      ($html?'</h3>'.($edit?'<form method="post" name="lonhomework" enctype="multipart/form-data"><br />'.
+		      ($html?'</h3>'.($edit?'<form method="post" name="lonhomework" enctype="multipart/form-data" action=""><br />'.
 				      &mt('Name of this Feed').
 				      ': <input type="text" size="50" name="newblogname" value="'.
 				      $displayfeedname.'" />':'').'<ul>':'</title>'));
@@ -466,7 +522,7 @@ sub handler {
             }
 # Get feed items
 	    my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname);
-	    foreach my $entry (sort(keys(%newsfeed)),$newid.'_status') {
+	    foreach my $entry (sort {$b cmp $a} (keys(%newsfeed)),$newid.'_status') {
 		if ($entry=~/^(\d+)\_status$/) { # is an entry
 		    my $id=$1;
 		    if ($edit) {
@@ -474,7 +530,7 @@ sub handler {
 							   'private' => 'private',
 							   'hidden' => 'hidden',
 							   'delete' => 'delete',
-							   'store' => 'Store changes',
+							   'store' => 'Select',
 							   'title' => 'Title',
 							   'link' => 'Link',
 							   'description' => 'Description',
@@ -554,13 +610,14 @@ ENDEDIT
 	    if ($html) {
 		$r->print('</ul>');
 		if ($edit) {
-		    $r->print('<input type="hidden" name="newid" value="'.$newid.'"/><input type="submit" value="'.&mt('Store Marked Changes').'" />'.
+		    $r->print('<input type="hidden" name="newid" value="'.$newid.'"/><input type="submit" value="'.&mt('Save Selected').'" />'.
 			      ($displayoption eq 'hidden'?'<input type="submit" name="advertisethisblog" value="'.&mt('Advertise this Feed').'" />':
 			       '<input type="submit" name="hidethisblog" value="'.&mt('Hide this Feed').'" />'));
 		}
+                $r->print('</form>');
 	    }
 	} # was a real display feedname
-	$r->print(($html?'</form>'.&Apache::loncommon::end_page():'</channel></rss>'."\n"));
+	$r->print(($html?&Apache::loncommon::end_page():'</channel></rss>'."\n"));
     } # a real user
     return OK;
 } # end handler