--- loncom/interface/lonrss.pm 2006/10/02 16:47:57 1.28 +++ loncom/interface/lonrss.pm 2007/01/18 19:02:00 1.33 @@ -1,7 +1,7 @@ # The LearningOnline Network # RSS Feeder # -# $Id: lonrss.pm,v 1.28 2006/10/02 16:47:57 albertel Exp $ +# $Id: lonrss.pm,v 1.33 2007/01/18 19:02:00 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -36,7 +36,7 @@ use Apache::lonnet; use Apache::lontexconvert; use Apache::lonlocal; use Apache::lonhtmlcommon; - +use Apache::inputtags(); sub filterfeedname { my $filename=shift; @@ -92,10 +92,11 @@ sub advertisefeeds { if ($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) { $feeds.='
  • '.$feednames{$feed}.'
    '.&mt('Hidden').': '.$htmlurl.'
    • '; @@ -210,6 +211,52 @@ sub add_blog_entry_link { } +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) = @_; @@ -240,6 +287,10 @@ 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) { my $title = $displayfeedname?$displayfeedname :"Available RSS Feeds and Blogs"; @@ -249,8 +300,9 @@ sub handler { $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'). @@ -260,7 +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 ($edit) { # Hide a feed? @@ -289,10 +341,13 @@ sub handler { } if ($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 (&Apache::lonnet::is_course($udom,$uname)) { my %cenv=&Apache::lonnet::dump('environment',$udom,$uname); $name=$cenv{'description'}; } else { @@ -300,7 +355,7 @@ sub handler { } # Add a new feed if (($html) && ($edit)) { - $r->print('
    '); + $r->print(''); $r->print(&mt('Name for New Feed').": "); $r->print(''); $r->print('
    '); @@ -319,8 +374,10 @@ sub handler { 'status', 'enclosureurl', 'enclosuretype']); + # my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype)=@_; + &editentry($env{'form.queryid'}, $uname,$udom,$filename, $env{'form.title'}, @@ -331,6 +388,8 @@ sub handler { $env{'form.enctype'} ); } + +# store away the fields modified in the online form my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname); foreach my $entry (sort(keys(%newsfeed)),$env{'form.newid'}.'_status') { if ($entry=~/^(\d+)\_status$/) { @@ -347,21 +406,64 @@ sub handler { } } } + +# see if we have any uploaded or portfolio files + my @uploadeditems=(); + + if ($env{'form.HWFILE0_0'}) { +# We have an uploaded file - store it away. + $uploadeditems[0]=&Apache::lonnet::userfileupload('HWFILE0_0',undef,'portfolio/podcasts'); + } + if ($env{'form.HWPORT0_0'}) { +# Selected portfolio files + foreach my $filename (split(/\,/,$env{'form.HWPORT0_0'})) { + if ($filename) { +# construct full path and remember + push(@uploadeditems,'/uploaded/'.$env{'user.domain'}.'/'.$env{'user.name'}.'/portfolio'.$filename); + } + } + } +# the zeroth item should be stored together with the last displayed (newid) field + if ($uploadeditems[0]) { + my $id=$env{'form.newid'}; + &editentry($id,$uname,$udom,$feedname, + $env{'form.'.$id.'_title'}, + $env{'form.'.$id.'_description'}, + $env{'form.'.$id.'_link'}, + $env{'form.'.$id.'_status'}, + $uploadeditems[0], + &Apache::loncommon::filemimetype(($uploadeditems[0]=~/\.(\w+)$/)[0]), + ); + &Apache::lonnet::make_public_indefinitely($uploadeditems[0]); + } +# if there are more files, they need new entries, since each can only have one enclosure + for (my $i=1; $i<=$#uploadeditems; $i++) { + my $id = &get_new_feed_id().$i; + &editentry($id,$uname,$udom,$feedname, + 'New Entry', + '', + '', + 'public', + $uploadeditems[$i], + &Apache::loncommon::filemimetype(($uploadeditems[$i]=~/\.(\w+)$/)[0]), + ); + &Apache::lonnet::make_public_indefinitely($uploadeditems[$i]); + } } #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>'.($edit?'<form method="post"><br />'. + ($html?'</h3>'.($edit?'<form method="post" name="lonhomework" enctype="multipart/form-data"><br />'. &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') { @@ -375,7 +477,18 @@ sub handler { 'store' => 'Store changes', 'title' => 'Title', 'link' => 'Link', - 'description' => 'Description'); + 'description' => 'Description', + 'enc' => 'Podcasted enclosure'); + my $uploadlink; + if ($entry==$newid) { +# Generate upload link only for last (new) entry + $uploadlink=&Apache::inputtags::file_selector(0,0,'*','both'); + } else { +# Otherwise, display + $uploadlink=''.$newsfeed{$id.'_enclosureurl'}.''. + "". + ""; + } my %status=(); unless ($newsfeed{$id.'_status'}) { $newsfeed{$id.'_status'}='public'; } $status{$newsfeed{$id.'_status'}}='checked="checked"'; @@ -396,7 +509,9 @@ $lt{'title'}: $lt{'description'}:

    $lt{'link'}: - +
    +$lt{'enc'} - +$uploadlink
    ENDEDIT } else { # not in edit mode, just displaying @@ -409,18 +524,22 @@ ENDEDIT $r->print("\n".($html?"\n
  • ":"\n").$newsfeed{$id.'_title'}. ($html?"</b><br />\n":"\n"). $newsfeed{$id.'_description'}. - ($html?"
    \n"). $link. - ($html?("'>".&mt('Read more')."
    \n"):"\n")); + ($html?("'>".&mt('Read more')."
    \n"):"\n"):'')); + my $enclosure=$newsfeed{$id.'_enclosureurl'}; # Enclosure? Get stats - if ($newsfeed{$id.'_enclosureurl'}) { - my @stat=&Apache::lonnet::stat_file($newsfeed{$id.'_enclosureurl'}); + if ($enclosure) { + my @stat=&Apache::lonnet::stat_file($enclosure); if ($stat[7]) { # Has non-zero length (and exists) - my $enclosuretype=$newsfeed{$id.'_enclosetype'}; + my $enclosuretype=$newsfeed{$id.'_enclosuretype'}; + if ($enclosure =~ m|^/| ) { + $enclosure = "http://".$ENV{'HTTP_HOST'}.$enclosure; + } $r->print(($html?"".&mt('Enclosure')."":"' />")); } }