--- loncom/interface/lonrss.pm 2005/11/20 02:12:35 1.5 +++ loncom/interface/lonrss.pm 2006/05/10 15:52:11 1.18 @@ -1,7 +1,7 @@ # The LearningOnline Network # RSS Feeder # -# $Id: lonrss.pm,v 1.5 2005/11/20 02:12:35 www Exp $ +# $Id: lonrss.pm,v 1.18 2006/05/10 15:52:11 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -36,10 +36,13 @@ 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 $filename; } @@ -74,15 +77,19 @@ sub renamefeed { } sub advertisefeeds { - my ($uname,$udom)=@_; + my ($uname,$udom,$edit)=@_; my $feeds=''; my %feednames=&Apache::lonnet::dump('nohist_all_rss_feeds',$udom,$uname); + my $mode='public'; + if ($edit) { + $mode='adm'; + } 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'}.'/public/'.$udom.'/'.$uname.'/'.$feed.'_rss.html'; + 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{$feed}. - '
    HTML: '.$htmlurl.''. + '
    '.($edit?&mt('Edit'):'HTML').': '.$htmlurl.''. '
    RSS: '.$feedurl.'
    • '; } } @@ -93,17 +100,29 @@ sub advertisefeeds { } } +sub rss_link { + my ($url) = @_; + return qq||; +} + { my $feedcounter; - sub addentry { + sub get_new_feed_id { $feedcounter++; - my $id=time.'00000'.$$.'00000'.$feedcounter; - return &editentry($id,@_); + return time().'00000'.$$.'00000'.$feedcounter; } } +sub addentry { + my $id=&get_new_feed_id(); + return &editentry($id,@_); +} + sub editentry { - my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enclength,$enctype)=@_; + my ($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); &Apache::lonnet::put('nohist_all_rss_feeds', { &filterfeedname($filename) => &displayfeedname($filename,$uname,$udom) }, @@ -113,7 +132,6 @@ sub editentry { $id.'_description' => $description, $id.'_link' => $url, $id.'_enclosureurl' => $encurl, - $id.'_enclosurelength' => $enclength, $id.'_enclosuretype' => $enctype, $id.'_status' => $status},$udom,$uname); } @@ -126,7 +144,6 @@ sub changestatus { $id.'_description', $id.'_link', $id.'_enclosureurl', - $id.'_enclosurelength', $id.'_enclosuretype', $id.'_status'],$udom,$uname); } else { @@ -134,8 +151,24 @@ sub changestatus { } } +sub changed_js { + return < + function changed(tform,id) { + tform.elements[id+"_modified"].checked=true; + } + +ENDSCRIPT +} + +sub determine_enclosure_types { + my ($url)=@_; + my ($ending)=($url=~/\.(\w+)$/); + return &Apache::loncommon::filemimetype($ending); +} + sub handler { - my $r = shift; + my ($r) = @_; my $edit=0; my $html=0; @@ -161,10 +194,12 @@ sub handler { my $feedname=&feedname($filename); my $displayfeedname=&displayfeedname($filename,$uname,$udom); if ($html) { - $r->print(&Apache::lonxml::xmlbegin().&Apache::loncommon::bodytag - ($displayfeedname,'','','',$udom, - $env{'form.register'})); - } else { + $r->print(&Apache::loncommon::start_page($displayfeedname,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'. @@ -172,11 +207,16 @@ sub handler { &mt('An RSS Feed provided by the LON-CAPA Learning Content Management System'). ''); } +# Do we have stuff to store? + 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) { + $r->print(&advertisefeeds($uname,$udom,$edit)); + } if ($homeserver eq 'no_host') { $r->print(($html?'

    ':'').&mt('No feed available').($html?'</h3>':'')); - } else { + } else { # is indeed a user # Course or user? my $name=''; if ($uname=~/^\d/) { @@ -185,68 +225,116 @@ sub handler { } 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">':'').'<ul>':'')); + if ($displayfeedname) { # this is an existing feed +# Anything to store? + if ($edit) { + 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'}); + } + } + } + if ($env{'form.newblogname'} ne $displayfeedname) { + &Apache::lonnet::put('nohist_all_rss_feeds',{ $filterfeedname => $env{'form.newblogname'} },$udom,$uname); + $displayfeedname=&displayfeedname($filename,$uname,$udom); + } + } #done storing + + $r->print("\n". + ($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; - } + 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 $entry (sort(keys(%newsfeed))) { - if ($entry=~/^(\d+)\_status$/) { - my $id=$1; - if ($edit) { - my %lt=&Apache::lonlocal::texthash('public' => 'public', - 'private' => 'private', - 'hidden' => 'hidden', - 'delete' => 'delete'); - 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"'; + $r->print(< - - + +   +    - +    - +    - +
    -
    - - +$lt{'title'}: +
    +$lt{'description'}:
    +
    +$lt{'link'}: + +
    ENDEDIT - } else { - 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'}. - ($html?"
    \n".&mt('Read more')."
    \n"):"\n")); - if ($newsfeed{$id.'_enclosureurl'}) { - $r->print(($html?"".&mt('Enclosure')."":"' />")); - } - if ($html) { - $r->print("\n
    • \n"); - } else { - $r->print("\n".$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; } + $r->print("\n".($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(''); } } - } - } - $r->print("\n".($html?''.($edit?'':'').'':''."\n")); + } # was a real display feedname + $r->print(($html?''.&Apache::loncommon::end_page():''."\n")); + } # a real user return OK; -} +} # end handler 1; __END__