--- loncom/interface/lonrss.pm 2006/05/11 15:27:49 1.20 +++ loncom/interface/lonrss.pm 2006/12/04 22:10:28 1.31 @@ -1,7 +1,7 @@ # The LearningOnline Network # RSS Feeder # -# $Id: lonrss.pm,v 1.20 2006/05/11 15:27:49 www Exp $ +# $Id: lonrss.pm,v 1.31 2006/12/04 22:10:28 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -29,6 +29,7 @@ package Apache::lonrss; use strict; +use LONCAPA qw(:DEFAULT :match); use Apache::Constants qw(:common); use Apache::loncommon; use Apache::lonnet; @@ -91,10 +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) { $feeds.='
  • '.$feednames{$feed}.'
    '.&mt('Hidden').': '.$htmlurl.'
    • '; @@ -138,7 +140,8 @@ sub editentry { } my $feedname=&feedname($filename); &Apache::lonnet::put('nohist_all_rss_feeds', - { &filterfeedname($filename) => &displayfeedname($filename,$uname,$udom) }, + { &filterfeedname($filename) => + (&displayfeedname($filename,$uname,$udom))[0] }, $udom,$uname); return &Apache::lonnet::put($feedname,{ $id.'_title' => $title, @@ -180,6 +183,80 @@ sub determine_enclosure_types { return &Apache::loncommon::filemimetype($ending); } +sub course_blog_link { + my ($id,$title,$description,$url,$encurl,$enctype)=@_; + if ($env{'request.course.id'}) { + return &add_blog_entry_link($id, + $env{'course.'.$env{'request.course.id'}.'.num'}, + $env{'course.'.$env{'request.course.id'}.'.domain'}, + 'Course_Announcements', + $title,$description,$url,'public',$encurl,$enctype, + &mt('Add to Course Announcements')); + } else { + return ''; + } +} + +sub add_blog_entry_link { + my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype,$linktext)=@_; + return "".$linktext.''; + +} + +sub blocking_blogdisplay { + my ($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.='
    ';} + 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) { + $output .= '
    '. + &Apache::loncommon::build_block_table($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(); + $output = '<item><title/><description>'.$output."</description><link/><guid isPermaLink='false'>".$id.$filterfeedname.'_'.$udom.'_'.$uname.'</guid></item>'; + } + } + return ($blocked,$output); +} + sub handler { my ($r) = @_; @@ -190,6 +267,10 @@ sub handler { $edit=1; $html=1; } + if (($mode eq 'adm') && (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) { + $edit=1; + $html=1; + } if ($filename=~/\.html$/) { $html=1; } @@ -206,25 +287,32 @@ sub handler { my $filterfeedname=&filterfeedname($filename); my $feedname=&feedname($filename); my ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom); + my ($blocked,$blocktext); + if ($uname !~ /^$match_courseid$/) { + ($blocked,$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'). '</description>'); } -# Do we have stuff to store? +# This will be the entry id for new additions to the blog 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 ($edit) { # Hide a feed? @@ -253,10 +341,13 @@ sub handler { } if ($homeserver eq 'no_host') { $r->print(($html?'<h3>':'<title>').&mt('No feed available').($html?'</h3>':'')); + } elsif ($blocked) { + $r->print($blocktext); + $r->print(($html?&Apache::loncommon::end_page():''."\n")); } else { # is indeed a user # Course or user? my $name=''; - if ($uname=~/^\d/) { + if ($uname =~ /^$match_courseid$/) { my %cenv=&Apache::lonnet::dump('environment',$udom,$uname); $name=$cenv{'description'}; } else { @@ -265,13 +356,36 @@ sub handler { # Add a new feed if (($html) && ($edit)) { $r->print('
    '); - $r->print(&mt('Name for New Blog').": "); - $r->print(''); + $r->print(&mt('Name for New Feed').": "); + $r->print(''); $r->print('
    '); } if ($displayfeedname) { # this is an existing feed # Anything to store? if ($edit) { +# check if this was called with a query string + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['queryid']); + if ($env{'form.queryid'}) { +# yes, collect the remainder + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['title', + 'description', + 'url', + 'status', + 'enclosureurl', + 'enclosuretype']); +# my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype)=@_; + + &editentry($env{'form.queryid'}, + $uname,$udom,$filename, + $env{'form.title'}, + $env{'form.description'}, + $env{'form.url'}, + $env{'form.status'}, + $env{'form.encurl'}, + $env{'form.enctype'} + ); + } my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname); foreach my $entry (sort(keys(%newsfeed)),$env{'form.newid'}.'_status') { if ($entry=~/^(\d+)\_status$/) { @@ -280,26 +394,29 @@ sub handler { &editentry($id,$uname,$udom,$feedname, $env{'form.'.$id.'_title'}, $env{'form.'.$id.'_description'}, - $env{'form.'.$id.'_url'}, - $env{'form.'.$id.'_status'}); + $env{'form.'.$id.'_link'}, + $env{'form.'.$id.'_status'}, + $env{'form.'.$id.'_enclosureurl'}, + $env{'form.'.$id.'_enclosuretype'}, + ); } } } } #done storing +# Render private items? + my $viewpubliconly=1; $r->print("\n". ($html?'

    ':''). &mt('LON-CAPA Feed "[_1]" for [_2]',$displayfeedname,$name). ($displayoption eq 'hidden'?' ('.&mt('Hidden').')':''). ($html?'</h3>'.($edit?'<form method="post"><br />'. - &mt('Name of blog/journal'). + &mt('Name of this Feed'). ': <input type="text" size="50" name="newblogname" value="'. $displayfeedname.'" />':'').'<ul>':'')); -# 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') { @@ -340,12 +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
  • ":"\n").$newsfeed{$id.'_title'}. ($html?"</b><br />\n":"\n"). $newsfeed{$id.'_description'}. ($html?"
    \n".&mt('Read more')."
    \n"):"\n")); # Enclosure? Get stats if ($newsfeed{$id.'_enclosureurl'}) {