--- loncom/interface/lonrss.pm 2006/03/21 21:25:33 1.12
+++ loncom/interface/lonrss.pm 2006/12/09 23:33:55 1.32
@@ -1,7 +1,7 @@
# The LearningOnline Network
# RSS Feeder
#
-# $Id: lonrss.pm,v 1.12 2006/03/21 21:25:33 albertel Exp $
+# $Id: lonrss.pm,v 1.32 2006/12/09 23:33:55 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -29,6 +29,7 @@
package Apache::lonrss;
use strict;
+use LONCAPA;
use Apache::Constants qw(:common);
use Apache::loncommon;
use Apache::lonnet;
@@ -36,10 +37,13 @@ use Apache::lontexconvert;
use Apache::lonlocal;
use Apache::lonhtmlcommon;
+
sub filterfeedname {
my $filename=shift;
$filename=~s/(\_rss\.html|\.rss)$//;
$filename=~s/\W//g;
+ $filename=~s/\_rssfeed$//;
+ $filename=~s/^nohist\_//;
return $filename;
}
@@ -51,8 +55,8 @@ sub displayfeedname {
my ($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/) {
@@ -63,16 +67,23 @@ sub displayfeedname {
} else {
$name=~s/\_/ /g;
}
- return $name;
+ return ($name,$stored{'feed_display_option_'.$filterfilename});
}
-sub renamefeed {
+sub namefeed {
my ($rawname,$uname,$udom,$newname)=@_;
return &Apache::lonnet::put('nohist_all_rss_feeds',
{ &filterfeedname($rawname) => $newname },
$udom,$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 $feeds='';
@@ -81,13 +92,20 @@ sub advertisefeeds {
if ($edit) {
$mode='adm';
}
+ my $server = &Apache::lonnet::absolute_url();
foreach my $feed (sort(keys(%feednames))) {
- if ($feed!~/^error\:/) {
- my $feedurl='feed://'.$ENV{'HTTP_HOST'}.'/public/'.$udom.'/'.$uname.'/'.$feed.'.rss';
- my $htmlurl='http://'.$ENV{'HTTP_HOST'}.'/'.$mode.'/'.$udom.'/'.$uname.'/'.$feed.'_rss.html';
- $feeds.=''.$feednames{$feed}.
- ''.$htmlurl.' '.$feedurl.' ';
+ if (($feed!~/^error\:/) && ($feed!~/^feed\_display\_option\_/)) {
+ 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{$feed}.' '.$htmlurl.' '.$feednames{$feed}.
+ ' '.$htmlurl.' '.$feedurl.' ".$linktext.' ';
+
+}
+
+sub blocking_blogdisplay {
+ my ($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.=''.$output." ".$id.$filterfeedname.'_'.$udom.'_'.$uname.' \n".
- "\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,$udom);
- if ($html) {
+ if ($html && !$blocked) {
+# 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') {
$r->print(($html?'':'').&mt('No feed available').($html?'</h3>':' '));
- } else {
+ } elsif ($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 {
$name=&Apache::loncommon::nickname($uname,$udom);
}
- $r->print("\n".
- ($html?'':'').
- &mt('LON-CAPA Feed "[_1]" for [_2]',$displayfeedname,$name).
- ($html?'</h3>'.($edit?'<form method="post"><br />'.
- &mt('Name of blog/journal').
- ': <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)) {
- $viewpubliconly=0;
+# Add a new feed
+ if (($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.'_link'},
+ $env{'form.'.$id.'_status'},
+ $env{'form.'.$id.'_enclosureurl'},
+ $env{'form.'.$id.'_enclosuretype'},
+ );
+ }
+ }
+ }
+ } #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 />'.
+ &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 my $entry (sort(keys(%newsfeed))) {
- if ($entry=~/^(\d+)\_status$/) {
- my $id=$1;
- if ($edit) {
- my %lt=&Apache::lonlocal::texthash('public' => 'public',
- 'private' => 'private',
- 'hidden' => 'hidden',
- 'delete' => 'delete',
- 'store' => 'Store changes');
- my %status=();
- $status{$newsfeed{$id.'_status'}}='checked="checked"';
- $r->print(< 'public',
+ 'private' => 'private',
+ 'hidden' => 'hidden',
+ 'delete' => 'delete',
+ 'store' => 'Store changes',
+ 'title' => 'Title',
+ 'link' => 'Link',
+ 'description' => 'Description');
+ my %status=();
+ unless ($newsfeed{$id.'_status'}) { $newsfeed{$id.'_status'}='public'; }
+ $status{$newsfeed{$id.'_status'}}='checked="checked"';
+ $r->print(<
-":"- \n
").$newsfeed{$id.'_title'}.
- ($html?"</b><br />\n":" \n").
- $newsfeed{$id.'_description'}.
- ($html?"".&mt('Read more')." ".&mt('Enclosure')." ":"' />"));
- }
- if ($html) {
- $r->print("\n ".$id.$filterfeedname.'_'.$udom.'_'.$uname." \n");
- }
+ } else { # not in edit mode, just displaying
+ if (($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'}.
+ ($html?"".&mt('Read more')." ".&mt('Enclosure')." ":"' />"));
+ }
+ }
+ if ($html) { # is HTML
+ $r->print("\n ".$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('