--- loncom/interface/lonrss.pm 2006/05/11 02:08:48 1.19 +++ 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 1.19 2006/05/11 02:08:48 www Exp $ +# $Id: lonrss.pm,v 1.52 2013/05/25 21:50:19 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -29,13 +29,14 @@ package Apache::lonrss; use strict; +use LONCAPA; use Apache::Constants qw(:common); use Apache::loncommon; use Apache::lonnet; use Apache::lontexconvert; use Apache::lonlocal; use Apache::lonhtmlcommon; - +use Apache::inputtags(); sub filterfeedname { my $filename=shift; @@ -54,19 +55,22 @@ sub displayfeedname { my ($rawname,$uname,$udom)=@_; my $filterfilename=&filterfeedname($rawname); # do we have a stored name? - my %stored=&Apache::lonnet::get('nohist_all_rss_feeds',[$filterfilename],$udom,$uname); - if ($stored{$filterfilename}) { return $stored{$filterfilename}; } + my %stored=&Apache::lonnet::get('nohist_all_rss_feeds',[$filterfilename,'feed_display_option_'.$filterfilename],$udom,$uname); + if ($stored{$filterfilename}) { return ($stored{$filterfilename},$stored{'feed_display_option_'.$filterfilename}); } # no, construct a name 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'}; } } else { $name=~s/\_/ /g; } - return $name; + return ($name,$stored{'feed_display_option_'.$filterfilename}); } sub namefeed { @@ -76,21 +80,50 @@ sub namefeed { $udom,$uname); } +sub changefeeddisplay { + my ($rawname,$uname,$udom,$newstatus)=@_; + return &Apache::lonnet::put('nohist_all_rss_feeds', + { 'feed_display_option_'.&filterfeedname($rawname) => $newstatus }, + $udom,$uname); +} + 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 $mode='public'; if ($edit) { $mode='adm'; } + my $server = &Apache::lonnet::absolute_url(); foreach my $feed (sort(keys(%feednames))) { - if ($feed!~/^error\:/) { - my $feedurl='http://'.$ENV{'HTTP_HOST'}.'/public/'.$udom.'/'.$uname.'/'.$feed.'.rss'; - my $htmlurl='http://'.$ENV{'HTTP_HOST'}.'/'.$mode.'/'.$udom.'/'.$uname.'/'.$feed.'_rss.html'; - $feeds.='
  • '.$feednames{$feed}. - '
    '.($edit?&mt('Edit'):'HTML').': '.$htmlurl.''. - '
    RSS: '.$feedurl.'
  • '; + 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) { + $feeds.='
  • '.$feednames{$feed}.'
    '.&mt('Hidden').': '.$htmlurl.'
  • '; + } + } else { + $feeds.='
  • '.$feednames{$feed}. + '
    '.($edit?&mt('Edit'):'HTML').': '.$feednames{$feed}.' HTML'. + '
    '.&mt('Public RSS/podcast (subscribe to)').': '.$feednames{$feed}.' RSS/Podcast
  • '; } } if ($feeds) { @@ -101,8 +134,22 @@ sub advertisefeeds { } sub rss_link { - my ($url) = @_; - return qq||; + 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| + +|; + } + return $result; } { @@ -125,7 +172,8 @@ 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' => $title, @@ -167,6 +215,82 @@ sub determine_enclosure_types { return &Apache::loncommon::filemimetype($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, + # $endblock,\%setters); + my ($blocked, $blocktext) = Apache::loncommon::blocking_status('blogs'); + $output .= '

    '.$blocktext; + } + } 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) = @_; @@ -177,6 +301,12 @@ sub handler { $edit=1; $html=1; } + if (($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; + $html=1; + } if ($filename=~/\.html$/) { $html=1; } @@ -192,28 +322,61 @@ sub handler { my $filterfeedname=&filterfeedname($filename); my $feedname=&feedname($filename); - my $displayfeedname=&displayfeedname($filename,$uname,$udom); + my ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom); + my ($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) { - $r->print(&Apache::loncommon::start_page($displayfeedname,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(); $r->print("<rss version='2.0' xmlns:dc='http://purl.org/dc/elements/1.1'>\n<channel>". - "\n<link>http://".$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 && !$disabled) { # Any new feeds or renaming of feeds? if ($edit) { +# Hide a feed? + if ($env{'form.hidethisblog'}) { + &changefeeddisplay($feedname,$uname,$udom,'hidden'); + ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom); + } +# Advertise a feed? + if ($env{'form.advertisethisblog'}) { + &changefeeddisplay($feedname,$uname,$udom,'public'); + ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom); + } # New feed? if ($env{'form.namenewblog'}=~/\w/) { &namefeed($env{'form.namenewblog'},$uname,$udom,$env{'form.namenewblog'}); @@ -222,7 +385,7 @@ sub handler { if (($displayfeedname) && ($env{'form.newblogname'}=~/\w/)) { if ($env{'form.newblogname'} ne $displayfeedname) { &namefeed($feedname,$uname,$udom,$env{'form.newblogname'}); - $displayfeedname=&displayfeedname($filename,$uname,$udom); + ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom); } } } @@ -230,10 +393,16 @@ sub handler { } if ($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")); + } elsif ($disabled) { + $r->print($disabletext); + $r->print(($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 { @@ -241,14 +410,42 @@ sub handler { } # Add a new feed if (($html) && ($edit)) { - $r->print('
    '); - $r->print(&mt('Name for New Blog').": "); - $r->print(''); + $r->print('

    ' . &mt('New RSS Feed or Blog'). '

    '); + $r->print(''); + $r->print(&mt('Name').": "); + $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'}, + $env{'form.enctype'} + ); + } + +# store away the fields modified in the online form my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname); foreach my $entry (sort(keys(%newsfeed)),$env{'form.newid'}.'_status') { if ($entry=~/^(\d+)\_status$/) { @@ -257,28 +454,75 @@ 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'}, + ); } } } + +# 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). - ($html?'</h3>'.($edit?'<form method="post"><br />'. - &mt('Name of blog/journal'). + ($displayoption eq 'hidden'?' ('.&mt('Hidden').')':''). + ($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>':'')); -# 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') { + foreach my $entry (sort {$b cmp $a} (keys(%newsfeed)),$newid.'_status') { if ($entry=~/^(\d+)\_status$/) { # is an entry my $id=$1; if ($edit) { @@ -286,10 +530,21 @@ sub handler { 'private' => 'private', 'hidden' => 'hidden', 'delete' => 'delete', - 'store' => 'Store changes', + 'store' => 'Select', '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"'; @@ -310,27 +565,37 @@ $lt{'title'}: $lt{'description'}:

    $lt{'link'}: - +
    +$lt{'enc'} - +$uploadlink
    ENDEDIT } else { # not in edit mode, just displaying if (($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'}. - ($html?"
    \n".&mt('Read more')."
    \n"):"\n")); + ($html?"
    ":"
    \n"). + ($link?($html?"\n".&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')."":"' />")); } } @@ -345,11 +610,14 @@ ENDEDIT if ($html) { $r->print(''); if ($edit) { - $r->print(''); + $r->print(''. + ($displayoption eq 'hidden'?'': + '')); } + $r->print(''); } } # was a real display feedname - $r->print(($html?''.&Apache::loncommon::end_page():''."\n")); + $r->print(($html?&Apache::loncommon::end_page():''."\n")); } # a real user return OK; } # end handler