--- loncom/interface/lonrss.pm 2006/06/03 21:28:33 1.26
+++ loncom/interface/lonrss.pm 2007/05/02 01:33:49 1.35
@@ -1,7 +1,7 @@
# The LearningOnline Network
# RSS Feeder
#
-# $Id: lonrss.pm,v 1.26 2006/06/03 21:28:33 albertel Exp $
+# $Id: lonrss.pm,v 1.35 2007/05/02 01:33:49 albertel 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) {
$feeds.='<li><i>'.$feednames{$feed}.'</i><br />'.&mt('Hidden').': <a href="'.$htmlurl.'"><tt>'.$htmlurl.'</tt></a></li>';
@@ -103,7 +104,7 @@ sub advertisefeeds {
} else {
$feeds.='<li><b>'.$feednames{$feed}.
'</b><br />'.($edit?&mt('Edit'):'HTML').': <a href="'.$htmlurl.'"><tt>'.$htmlurl.'</tt></a>'.
- '<br />RSS: <a href="'.$feedurl.'"><tt>'.$feedurl.'</tt></a></li>';
+ '<br />'.&mt('Public RSS/podcast (subscribe to)').': <a href="'.$feedurl.'"><tt>'.$feedurl.'</tt></a></li>';
}
}
}
@@ -200,16 +201,62 @@ sub add_blog_entry_link {
my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype,$linktext)=@_;
return "<a href='/adm/$udom/$uname/".&filterfeedname($filename).'_rss.html?queryid='.
&escape($id).
- '&title='.&escape($title).
- '&description='.&escape($description).
- '&url='.&escape($url).
- '&status='.&escape($status).
- '&encurl='.&escape($encurl).
- '&enctype='.&escape($enctype).
+ '&title='.&escape($title).
+ '&description='.&escape($description).
+ '&url='.&escape($url).
+ '&status='.&escape($status).
+ '&encurl='.&escape($encurl).
+ '&enctype='.&escape($enctype).
"'>".$linktext.'</a>';
}
+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.='<br />';}
+ 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) {
+ $output .= '<br />'.
+ &Apache::loncommon::build_block_table($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();
+ $output = '<title/><item><title/><description>'.$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').($html?'</h3>':'</title>'));
+ } elsif ($blocked) {
+ $r->print($blocktext);
+ $r->print(($html?&Apache::loncommon::end_page():'</channel></rss>'."\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('<form method="post">');
+ $r->print('<form method="post" name="makenewfeed">');
$r->print(&mt('Name for New Feed').": <input type='text' size='40' name='namenewblog' />");
$r->print('<input type="submit" value="'.&mt('Start a New Feed').'" />');
$r->print('</form>');
@@ -319,8 +374,10 @@ sub handler {
'status',
'enclosureurl',
'enclosuretype']);
+
# my ($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 ($entry=~/^(\d+)\_status$/) {
@@ -339,7 +398,7 @@ sub handler {
&editentry($id,$uname,$udom,$feedname,
$env{'form.'.$id.'_title'},
$env{'form.'.$id.'_description'},
- $env{'form.'.$id.'_url'},
+ $env{'form.'.$id.'_link'},
$env{'form.'.$id.'_status'},
$env{'form.'.$id.'_enclosureurl'},
$env{'form.'.$id.'_enclosuretype'},
@@ -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?'<hr /><h3>':'<title>').
&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>':'</title>'));
-# 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') {
@@ -372,10 +474,21 @@ sub handler {
'private' => 'private',
'hidden' => 'hidden',
'delete' => 'delete',
- 'store' => 'Store changes',
+ 'store' => 'Save 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
+ $uploadlink='<tt>'.$newsfeed{$id.'_enclosureurl'}.'</tt>'.
+ "<input type='hidden' name='$id\_enclosureurl' value='$newsfeed{$id.'_enclosureurl'}' />".
+ "<input type='hidden' name='$id\_enclosuretype' value='$newsfeed{$id.'_enclosuretype'}' />";
+ }
my %status=();
unless ($newsfeed{$id.'_status'}) { $newsfeed{$id.'_status'}='public'; }
$status{$newsfeed{$id.'_status'}}='checked="checked"';
@@ -396,27 +509,37 @@ $lt{'title'}:
$lt{'description'}:<br />
<textarea name='$id\_description' rows="6" cols="80" onChange="changed(this.form,'$id');">$newsfeed{$id.'_description'}</textarea><br />
$lt{'link'}:
-<input name='$id\_link' type='text' size='60' value='$newsfeed{$id.'_link'}' onChange="changed(this.form,'$id');" />
+<input name='$id\_link' type='text' size='60' value='$newsfeed{$id.'_link'}' onChange="changed(this.form,'$id');" /><br />
+$lt{'enc'} -
+$uploadlink
<hr /></li>
ENDEDIT
} else { # not in edit mode, just displaying
if (($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<li><b>":"<item>\n<title>").$newsfeed{$id.'_title'}.
($html?"</b><br />\n":"</title>\n<description>").
$newsfeed{$id.'_description'}.
- ($html?"<br />\n<a href='":"</description>\n<link>").
- "http://".$ENV{'HTTP_HOST'}.
- $newsfeed{$id.'_link'}.
- ($html?("'>".&mt('Read more')."</a><br />\n"):"</link>\n"));
+ ($html?"<br />":"</description>\n").
+ ($link?($html?"\n<a href='":"<link>").
+ $link.
+ ($html?("'>".&mt('Read more')."</a><br />\n"):"</link>\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?"<a href='":"\n<enclosure url='").
- $newsfeed{$id.'_enclosureurl'}."' length='".$stat[7].
+ $enclosure."' length='".$stat[7].
"' type='".$enclosuretype.($html?"'>".&mt('Enclosure')."</a>":"' />"));
}
}
@@ -431,7 +554,7 @@ ENDEDIT
if ($html) {
$r->print('</ul>');
if ($edit) {
- $r->print('<input type="hidden" name="newid" value="'.$newid.'"/><input type="submit" value="'.&mt('Store Marked Changes').'" />'.
+ $r->print('<input type="hidden" name="newid" value="'.$newid.'"/><input type="submit" value="'.&mt('Save Marked Changes').'" />'.
($displayoption eq 'hidden'?'<input type="submit" name="advertisethisblog" value="'.&mt('Advertise this Feed').'" />':
'<input type="submit" name="hidethisblog" value="'.&mt('Hide this Feed').'" />'));
}