';
+ } else {
+ return '';
+ }
+}
+
+sub rss_link {
+ my ($url) = @_;
+ return qq||;
+}
+
+{
+ 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 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'}))) {
+ $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,$udom);
+ if ($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'}}).
+ &changed_js());
+ } else { # render RSS
+ $r->print("\n".
+ "\nhttp://".$ENV{'HTTP_HOST'}.'/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) {
+# 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?'
':'').&mt('No feed available').($html?'</h3>':''));
+ } else { # is indeed a user
# Course or user?
my $name='';
if ($uname=~/^\d/) {
@@ -99,32 +298,148 @@ sub handler {
} 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)) {
+ $r->print('
');
}
+ if ($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 ($entry=~/^(\d+)\_status$/) {
+ my $id=$1;
+ if ($env{'form.'.$id.'_modified'}) {
+ &editentry($id,$uname,$udom,$feedname,
+ $env{'form.'.$id.'_title'},
+ $env{'form.'.$id.'_description'},
+ $env{'form.'.$id.'_url'},
+ $env{'form.'.$id.'_status'},
+ $env{'form.'.$id.'_enclosureurl'},
+ $env{'form.'.$id.'_enclosuretype'},
+ );
+ }
+ }
+ }
+ } #done storing
+
+ $r->print("\n".
+ ($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 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 (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 $entry (sort(keys(%newsfeed)),$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' => 'Store changes',
+ 'title' => 'Title',
+ 'link' => 'Link',
+ 'description' => 'Description');
+ my %status=();
+ unless ($newsfeed{$id.'_status'}) { $newsfeed{$id.'_status'}='public'; }
+ $status{$newsfeed{$id.'_status'}}='checked="checked"';
+ $r->print(<
+
+
+
+
+
+
+
+
+
+
+$lt{'title'}:
+
+$lt{'description'}:
+
+$lt{'link'}:
+
+
+ENDEDIT
+ } else { # not in edit mode, just displaying
+ if (($newsfeed{$id.'_status'} ne 'public') && ($viewpubliconly)) { next; }
+ if ($newsfeed{$id.'_status'} eq 'hidden') { next; }
+ $r->print("\n".($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{$id.'_enclosureurl'}) {
+ my @stat=&Apache::lonnet::stat_file($newsfeed{$id.'_enclosureurl'});
+ if ($stat[7]) {
+# Has non-zero length (and exists)
+ my $enclosuretype=$newsfeed{$id.'_enclosetype'};
+ $r->print(($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("\n
\n");
+ } # was a real display feedname
+ $r->print(($html?''.&Apache::loncommon::end_page():''."\n"));
+ } # a real user
return OK;
-}
-
+} # end handler
1;
__END__