';
+ } else {
+ return '';
+ }
+}
+
+sub rss_link {
+ 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;
+}
+
+{
+ my $feedcounter;
+ sub get_new_feed_id {
+ $feedcounter++;
+ return time().'00000'.$$.'00000'.$feedcounter;
+ }
}
sub addentry {
- my ($uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enclength,$enctype)=@_;
+ my $id=&get_new_feed_id();
+ return &editentry($id,@_);
+}
+
+sub editentry {
+ my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype)=@_;
+ if ($status eq 'deleted') {
+ return &changestatus($id,$uname,$udom,$filename,$status);
+ }
my $feedname=&feedname($filename);
- $feedcounter++;
- my $id=time.'00000'.$$.'00000'.$feedcounter;
+ &Apache::lonnet::put('nohist_all_rss_feeds',
+ { &filterfeedname($filename) =>
+ (&displayfeedname($filename,$uname,$udom))[0] },
+ $udom,$uname);
return &Apache::lonnet::put($feedname,{
$id.'_title' => $title,
$id.'_description' => $description,
$id.'_link' => $url,
$id.'_enclosureurl' => $encurl,
- $id.'_enclosurelength' => $enclength,
$id.'_enclosuretype' => $enctype,
$id.'_status' => $status},$udom,$uname);
}
+sub changestatus {
+ my ($id,$uname,$udom,$filename,$status)=@_;
+ my $feedname=&feedname($filename);
+ if ($status eq 'deleted') {
+ return &Apache::lonnet::del($feedname,[$id.'_title',
+ $id.'_description',
+ $id.'_link',
+ $id.'_enclosureurl',
+ $id.'_enclosuretype',
+ $id.'_status'],$udom,$uname);
+ } else {
+ return &Apache::lonnet::put($feedname,{$id.'_status' => $status},$udom,$uname);
+ }
+}
+
+sub changed_js {
+ return <
+ function changed(tform,id) {
+ tform.elements[id+"_modified"].checked=true;
+ }
+
+ENDSCRIPT
+}
+
+sub determine_enclosure_types {
+ my ($url)=@_;
+ my ($ending)=($url=~/\.(\w+)$/);
+ return &Apache::loncommon::filemimetype($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();
+ $output = ''.$output."".$id.$filterfeedname.'_'.$udom.'_'.$uname.'';
+ }
+ }
+ return ($blocked,$output);
+}
+
sub handler {
- my $r = shift;
- &Apache::loncommon::content_type($r,'text/xml');
+ my ($r) = @_;
+
+ my $edit=0;
+ my $html=0;
+ my (undef,$mode,$udom,$uname,$filename)=split(/\//,$r->uri);
+ if (($mode eq 'adm') && ($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {
+ $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$/) {
+ $html=1;
+ }
+ if ($html) {
+ &Apache::loncommon::content_type($r,'text/html');
+ } else {
+# Workaround Mozilla/Firefox
+# &Apache::loncommon::content_type($r,'application/rss+xml');
+ &Apache::loncommon::content_type($r,'text/xml');
+ }
$r->send_http_header;
return OK if $r->header_only;
- my (undef,undef,$udom,$uname,$filename)=split(/\//,$r->uri);
my $filterfeedname=&filterfeedname($filename);
my $feedname=&feedname($filename);
- my $displayfeedname=&displayfeedname($filename);
- $r->print("\n".
- "\nhttp://".$ENV{'HTTP_HOST'}.'/'.
- "\n".&mt('An RSS Feed provided by the LON-CAPA Learning Content Management System').'');
+ 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 = '
'.&mt('No user blog available') .'
'.
+ &mt('This is a result of one of the following:').'
'.
+ '
'.&mt('The administrator of this domain has disabled blog functionality for this specific user.').'
'.
+ '
'.&mt('The domain has been configured to disable, by default, blog functionality for all users in the domain.').'
'.
+ '
';
+ } else {
+ $disabletext = &mt('No user blog available');
+ }
+ }
+ }
+ if ($html) {
+# my $title = $displayfeedname?$displayfeedname:"Available RSS Feeds and Blogs";
+ my $title = "My Space";
+ my $rss_link = &Apache::lonrss::rss_link($uname,$udom);
+ my $head_extra = $rss_link.'';
+ my $brcrumb = [{href=>$rss_link,text=>"Available RSS Feeds and Blogs"}];
+ $r->print(&Apache::loncommon::start_page($title,$head_extra,
+ {'bread_crumbs' => $brcrumb,
+ 'domain' => $udom,
+ 'force_register' => $env{'form.register'}}).
+ &changed_js());
+ } else { # render RSS
+ my $server = &Apache::lonnet::absolute_url();
+ $r->print("\n".
+ "\n".''.$server.'/public/'.$udom.'/'.$uname.'/'.
+ $filterfeedname.'_rss.html'.
+ "\n".
+ &mt('An RSS Feed provided by the LON-CAPA Learning Content Management System').
+ '');
+ }
+# 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);
+ my $homeserver=&Apache::lonnet::homeserver($uname,$udom);
+ if ($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'});
+ }
+# Old feed that is being renamed?
+ if (($displayfeedname) && ($env{'form.newblogname'}=~/\w/)) {
+ if ($env{'form.newblogname'} ne $displayfeedname) {
+ &namefeed($feedname,$uname,$udom,$env{'form.newblogname'});
+ ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);
+ }
+ }
+ }
+ $r->print(&advertisefeeds($uname,$udom,$edit));
+ }
if ($homeserver eq 'no_host') {
- $r->print(''.&mt('No feed available').'');
- } else {
+ $r->print(($html?'
'."\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 {
$name=&Apache::loncommon::nickname($uname,$udom);
}
- $r->print("\n".&mt('LON-CAPA RSS Feed "[_1]" for [_2]',$displayfeedname,$name).'');
-# Render private items?
- my $viewpubliconly=1;
- if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {
- $viewpubliconly=0;
+# Add a new feed
+ if (($html) && ($edit)) {
+ $r->print('
' . &mt('New RSS Feed or Blog'). '
');
+ $r->print('');
}
+ if ($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 ($entry=~/^(\d+)\_status$/) {
+ my $id=$1;
+ if ($env{'form.'.$id.'_modified'}) {
+ &editentry($id,$uname,$udom,$feedname,
+ $env{'form.'.$id.'_title'},
+ $env{'form.'.$id.'_description'},
+ $env{'form.'.$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).
+ ($displayoption eq 'hidden'?' ('.&mt('Hidden').')':'').
+ ($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="'.
+ $displayfeedname.'" />':'').'<ul>':''));
+ if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {
+ $viewpubliconly=0;
+ }
# Get feed items
- my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname);
- foreach (sort keys %newsfeed) {
- if ($_=~/^(\d+)\_status$/) {
- my $id=$1;
- if (($newsfeed{$id.'_status'} ne 'public') && ($viewpubliconly)) { next; }
- $r->print("\n\n".$newsfeed{$id.'_title'}."\n".
- $newsfeed{$id.'_description'}."\n".
- $newsfeed{$id.'_link'}."\n");
- if ($newsfeed{$id.'_enclosureurl'}) {
- $r->print("\n");
+ my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname);
+ foreach my $entry (sort {$b cmp $a} (keys(%newsfeed)),$newid.'_status') {
+ if ($entry=~/^(\d+)\_status$/) { # is an entry
+ my $id=$1;
+ if ($edit) {
+ my %lt=&Apache::lonlocal::texthash('public' => 'public',
+ 'private' => 'private',
+ 'hidden' => 'hidden',
+ 'delete' => 'delete',
+ 'store' => 'Select',
+ 'title' => 'Title',
+ 'link' => 'Link',
+ 'description' => 'Description',
+ 'enc' => 'Podcasted enclosure');
+ my $uploadlink;
+ if ($entry==$newid) {
+# Generate upload link only for last (new) entry
+ # Calculate the quota space available in the user's portfolio
+ my $disk_quota = &Apache::loncommon::get_user_quota($env{'user.name'},
+ $env{'user.domain'}); # expressed in MB
+ my $portfolio_root = '/userfiles/portfolio';
+ my $getpropath = 1;
+ my $current_disk_usage = &Apache::lonnet::diskusage(
+ $env{'user.domain'}, $env{'user.name'},
+ $portfolio_root, $getpropath); # Expressed in kB
+ # Convert to MB for use in file_selector()
+ my $free_space = $disk_quota - ($current_disk_usage / 1024.);
+ # Format this number since it will be displayed onscreen
+ $free_space = sprintf("%.1f", $free_space);
+ $uploadlink=&Apache::inputtags::file_selector(0,0,'*','both','',$free_space);
+ } else {
+# Otherwise, display
+ $uploadlink=''.$newsfeed{$id.'_enclosureurl'}.''.
+ "".
+ "";
+ }
+ my %status=();
+ unless ($newsfeed{$id.'_status'}) { $newsfeed{$id.'_status'}='public'; }
+ $status{$newsfeed{$id.'_status'}}='checked="checked"';
+ $r->print(<
+
+
+
+
+
+
+
+
+
+
+$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'}.
+ ($html?" ":"\n").
+ ($link?($html?"\n".&mt('Read more')." \n"):"\n"):''));
+ my $enclosure=$newsfeed{$id.'_enclosureurl'};
+# Enclosure? Get stats
+ if ($enclosure) {
+ my @stat=&Apache::lonnet::stat_file($enclosure);
+ if ($stat[7]) {
+# Has non-zero length (and exists)
+ my $enclosuretype=$newsfeed{$id.'_enclosuretype'};
+ if ($enclosure =~ m|^/| ) {
+ $enclosure = "http://".$ENV{'HTTP_HOST'}.$enclosure;
+ }
+ $r->print(($html?"".&mt('Enclosure')."":"' />"));
+ }
+ }
+ if ($html) { # is HTML
+ $r->print("\n
\n");
+ } else { # is RSS
+ $r->print("\n".$id.$filterfeedname.'_'.$udom.'_'.$uname."\n");
+ }
+ } # end of "in edit mode"
+ } # end of rendering a real entry
+ } # end of loop through all keys
+ if ($html) {
+ $r->print('');
+ if ($edit) {
+ $r->print(''.
+ ($displayoption eq 'hidden'?'':
+ ''));
}
- $r->print("\n".$id.$filterfeedname.'_'.$udom.'_'.$uname."\n");
+ $r->print('');
}
- }
- }
- $r->print("\n\n");
+ } # was a real display feedname
+ $r->print(($html?&Apache::loncommon::end_page():''."\n"));
+ } # a real user
return OK;
-}
-
+} # end handler
1;
__END__