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Diff for /loncom/interface/lonrss.pm between versions 1.24 and 1.42

version 1.24, 2006/06/02 10:02:37 version 1.42, 2008/12/15 16:37:44
Line 36  use Apache::lonnet; Line 36  use Apache::lonnet;
 use Apache::lontexconvert;  use Apache::lontexconvert;
 use Apache::lonlocal;  use Apache::lonlocal;
 use Apache::lonhtmlcommon;  use Apache::lonhtmlcommon;
   use Apache::inputtags();
   
 sub filterfeedname {  sub filterfeedname {
     my $filename=shift;      my $filename=shift;
Line 92  sub advertisefeeds { Line 92  sub advertisefeeds {
     if ($edit) {      if ($edit) {
  $mode='adm';   $mode='adm';
     }      }
       my $server = &Apache::lonnet::absolute_url();
     foreach my $feed (sort(keys(%feednames))) {      foreach my $feed (sort(keys(%feednames))) {
  if (($feed!~/^error\:/) && ($feed!~/^feed\_display\_option\_/)) {   next if ($feed =~/^\s*$/    ||
     my $feedurl='http://'.$ENV{'HTTP_HOST'}.'/public/'.$udom.'/'.$uname.'/'.$feed.'.rss';   $feed =~ /^error:/ ||
     my $htmlurl='http://'.$ENV{'HTTP_HOST'}.'/'.$mode.'/'.$udom.'/'.$uname.'/'.$feed.'_rss.html';   $feed =~ /^feed_display_option_/);
     if ($feednames{'feed_display_option_'.$feed} eq 'hidden') {  
  if ($edit) {   my $feedurl= $server.'/public/'.$udom.'/'.$uname.'/'.$feed.'.rss';
     $feeds.='<li><i>'.$feednames{$feed}.'</i><br />'.&mt('Hidden').': <a href="'.$htmlurl.'"><tt>'.$htmlurl.'</tt></a></li>';   my $htmlurl= $server.'/'.$mode.'/'.$udom.'/'.$uname.'/'.$feed.'_rss.html';
  }   if ($feednames{'feed_display_option_'.$feed} eq 'hidden') {
     } else {      if ($edit) {
  $feeds.='<li><b>'.$feednames{$feed}.   $feeds.='<li><i>'.$feednames{$feed}.'</i><br />'.&mt('Hidden').': <a href="'.$htmlurl.'"><tt>'.$htmlurl.'</tt></a></li>';
     '</b><br />'.($edit?&mt('Edit'):'HTML').': <a href="'.$htmlurl.'"><tt>'.$htmlurl.'</tt></a>'.  
     '<br />RSS: <a href="'.$feedurl.'"><tt>'.$feedurl.'</tt></a></li>';  
     }      }
    } else {
       $feeds.='<li><b>'.$feednames{$feed}.
    '</b><br />'.($edit?&mt('Edit'):'HTML').': <a href="'.$htmlurl.'"><tt>'.$feednames{$feed}.' HTML</tt></a>'.
    '<br />'.&mt('Public RSS/podcast (subscribe to)').': <a href="'.$feedurl.'"><tt>'.$feednames{$feed}.' RSS/Podcast</tt></a></li>';
  }   }
     }      }
     if ($feeds) {      if ($feeds) {
Line 115  sub advertisefeeds { Line 118  sub advertisefeeds {
 }  }
   
 sub rss_link {  sub rss_link {
     my ($url) = @_;      my ($uname,$udom)=@_;
     return qq|<link rel="alternate" type="application/rss+xml" title="Course Announcements" href="$url" />|;      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;
    $result.=qq|
   <link rel="alternate" type="application/rss+xml" title="$title" href="$url" />
   |;
       }
       return $result;
 }  }
   
 {  {
Line 200  sub add_blog_entry_link { Line 217  sub add_blog_entry_link {
     my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype,$linktext)=@_;      my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype,$linktext)=@_;
     return "<a href='/adm/$udom/$uname/".&filterfeedname($filename).'_rss.html?queryid='.      return "<a href='/adm/$udom/$uname/".&filterfeedname($filename).'_rss.html?queryid='.
  &escape($id).   &escape($id).
  '&title='.&escape($title).   '&amp;title='.&escape($title).
  '&description='.&escape($description).   '&amp;description='.&escape($description).
  '&url='.&escape($url).   '&amp;url='.&escape($url).
  '&status='.&escape($status).   '&amp;status='.&escape($status).
  '&encurl='.&escape($encurl).   '&amp;encurl='.&escape($encurl).
  '&enctype='.&escape($enctype).   '&amp;enctype='.&escape($enctype).
  "'>".$linktext.'</a>';   "'>".$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 {  sub handler {
     my ($r) = @_;      my ($r) = @_;
   
Line 240  sub handler { Line 303  sub handler {
     my $filterfeedname=&filterfeedname($filename);      my $filterfeedname=&filterfeedname($filename);
     my $feedname=&feedname($filename);      my $feedname=&feedname($filename);
     my ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);      my ($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);
           $disabled = &Apache::lonnet::usertools_access($uname,$udom,'blog');
           if ($disabled) {
               if ($html) {
                   $disabletext = '<h2>'.&mt('No user blog available') .'</h2>'.
                                  &mt('This is a result of one of the following:').'<ul>'.
                                  '<li>'.&mt('The administrator of this domain has disabled blog functionality for this specific user.').'</li>'.
                                  '<li>'.&mt('The domain has been configured to disable, by default, blog functionality for all users in the domain.').'</li>'.
                                  '</ul>';
               } else {
                   $disabletext = &mt('No user blog available');
               }
           }
       }
     if ($html) {      if ($html) {
  $r->print(&Apache::loncommon::start_page(($displayfeedname?$displayfeedname:&mt("Available RSS Feeds and Blogs")),undef,   my $title = $displayfeedname?$displayfeedname
  {'domain'         => $udom,                                      :"Available RSS Feeds and Blogs";
   'force_register' =>   my $rss_link = &Apache::lonrss::rss_link($uname,$udom);
       $env{'form.register'}}).   my $brcrumb = [{href=>$rss_link,text=>"Available RSS Feeds and Blogs"}];
    $r->print(&Apache::loncommon::start_page($title,$rss_link,
    {'bread_crumbs'   => $brcrumb,
     'domain'         => $udom,
     'force_register' => $env{'form.register'}}).
   &changed_js());    &changed_js());
     } else { # render RSS      } 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>".   $r->print("<rss version='2.0' xmlns:dc='http://purl.org/dc/elements/1.1'>\n<channel>".
   "\n<link>http://".$ENV{'HTTP_HOST'}.'/public/'.$udom.'/'.$uname.'/'.    "\n".'<link>'.$server.'/public/'.$udom.'/'.$uname.'/'.
   $filterfeedname.'_rss.html</link>'.    $filterfeedname.'_rss.html</link>'.
   "\n<description>".    "\n<description>".
   &mt('An RSS Feed provided by the LON-CAPA Learning Content Management System').    &mt('An RSS Feed provided by the LON-CAPA Learning Content Management System').
Line 258  sub handler { Line 342  sub handler {
     my $newid = &get_new_feed_id();      my $newid = &get_new_feed_id();
 # Is this user for real?  # Is this user for real?
     my $homeserver=&Apache::lonnet::homeserver($uname,$udom);      my $homeserver=&Apache::lonnet::homeserver($uname,$udom);
     if ($html) {      if ($html && !$blocked && !$disabled) {
 # Any new feeds or renaming of feeds?  # Any new feeds or renaming of feeds?
  if ($edit) {   if ($edit) {
 # Hide a feed?  # Hide a feed?
Line 287  sub handler { Line 371  sub handler {
     }       } 
     if ($homeserver eq 'no_host') {      if ($homeserver eq 'no_host') {
  $r->print(($html?'<h3>':'<title>').&mt('No feed available').($html?'</h3>':'</title>'));   $r->print(($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"));
       } elsif ($disabled) {
           $r->print($disabletext);
           $r->print(($html?&Apache::loncommon::end_page():'</channel></rss>'."\n"));
     } else { # is indeed a user      } else { # is indeed a user
 # Course or user?  # Course or user?
  my $name='';   my $name='';
  if ($uname=~/^\d/) {   if (&Apache::lonnet::is_course($udom,$uname)) {
     my %cenv=&Apache::lonnet::dump('environment',$udom,$uname);      my %cenv=&Apache::lonnet::dump('environment',$udom,$uname);
     $name=$cenv{'description'};      $name=$cenv{'description'};
  } else {   } else {
Line 298  sub handler { Line 388  sub handler {
  }   }
 # Add a new feed  # Add a new feed
         if (($html) && ($edit)) {          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(&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('<input type="submit" value="'.&mt('Start a New Feed').'" />');
     $r->print('</form>');      $r->print('</form>');
Line 317  sub handler { Line 407  sub handler {
      'status',       'status',
      'enclosureurl',       'enclosureurl',
      'enclosuretype']);       'enclosuretype']);
   
 #    my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype)=@_;  #    my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype)=@_;
   
   
     &editentry($env{'form.queryid'},      &editentry($env{'form.queryid'},
        $uname,$udom,$filename,         $uname,$udom,$filename,
        $env{'form.title'},         $env{'form.title'},
Line 329  sub handler { Line 421  sub handler {
        $env{'form.enctype'}         $env{'form.enctype'}
        );         );
  }   }
   
   # store away the fields modified in the online form
  my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname);   my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname);
  foreach my $entry (sort(keys(%newsfeed)),$env{'form.newid'}.'_status') {   foreach my $entry (sort(keys(%newsfeed)),$env{'form.newid'}.'_status') {
     if ($entry=~/^(\d+)\_status$/) {      if ($entry=~/^(\d+)\_status$/) {
Line 337  sub handler { Line 431  sub handler {
     &editentry($id,$uname,$udom,$feedname,      &editentry($id,$uname,$udom,$feedname,
        $env{'form.'.$id.'_title'},         $env{'form.'.$id.'_title'},
        $env{'form.'.$id.'_description'},         $env{'form.'.$id.'_description'},
        $env{'form.'.$id.'_url'},         $env{'form.'.$id.'_link'},
        $env{'form.'.$id.'_status'},         $env{'form.'.$id.'_status'},
        $env{'form.'.$id.'_enclosureurl'},         $env{'form.'.$id.'_enclosureurl'},
        $env{'form.'.$id.'_enclosuretype'},         $env{'form.'.$id.'_enclosuretype'},
Line 345  sub handler { Line 439  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      } #done storing
   
   # Render private items?
               my $viewpubliconly=1;
     $r->print("\n".      $r->print("\n".
       ($html?'<hr /><h3>':'<title>').        ($html?'<hr /><h3>':'<title>').
       &mt('LON-CAPA Feed "[_1]" for [_2]',$displayfeedname,$name).        &mt('LON-CAPA Feed "[_1]" for [_2]',$displayfeedname,$name).
       ($displayoption eq 'hidden'?' ('.&mt('Hidden').')':'').        ($displayoption eq 'hidden'?' ('.&mt('Hidden').')':'').
       ($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').        &mt('Name of this Feed').
       ': <input type="text" size="50" name="newblogname" value="'.        ': <input type="text" size="50" name="newblogname" value="'.
       $displayfeedname.'" />':'').'<ul>':'</title>'));        $displayfeedname.'" />':'').'<ul>':'</title>'));
 # Render private items?  
     my $viewpubliconly=1;  
     if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {      if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {
  $viewpubliconly=0;   $viewpubliconly=0;
     }              }
 # Get feed items  # Get feed items
     my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname);      my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname);
     foreach my $entry (sort(keys(%newsfeed)),$newid.'_status') {      foreach my $entry (sort {$b cmp $a} (keys(%newsfeed)),$newid.'_status') {
  if ($entry=~/^(\d+)\_status$/) { # is an entry   if ($entry=~/^(\d+)\_status$/) { # is an entry
     my $id=$1;      my $id=$1;
     if ($edit) {      if ($edit) {
Line 370  sub handler { Line 507  sub handler {
    'private' => 'private',     'private' => 'private',
    'hidden' => 'hidden',     'hidden' => 'hidden',
    'delete' => 'delete',     'delete' => 'delete',
    'store' => 'Store changes',     'store' => 'Save changes',
    'title' => 'Title',     'title' => 'Title',
    'link' => 'Link',     '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{$id.'_enclosuretype'}' />";
    }
  my %status=();   my %status=();
  unless ($newsfeed{$id.'_status'}) { $newsfeed{$id.'_status'}='public'; }   unless ($newsfeed{$id.'_status'}) { $newsfeed{$id.'_status'}='public'; }
  $status{$newsfeed{$id.'_status'}}='checked="checked"';   $status{$newsfeed{$id.'_status'}}='checked="checked"';
Line 394  $lt{'title'}: Line 542  $lt{'title'}:
 $lt{'description'}:<br />  $lt{'description'}:<br />
 <textarea name='$id\_description' rows="6" cols="80" onChange="changed(this.form,'$id');">$newsfeed{$id.'_description'}</textarea><br />  <textarea name='$id\_description' rows="6" cols="80" onChange="changed(this.form,'$id');">$newsfeed{$id.'_description'}</textarea><br />
 $lt{'link'}:  $lt{'link'}:
 <input name='$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'} -
   $uploadlink
 <hr /></li>  <hr /></li>
 ENDEDIT  ENDEDIT
     } else { # not in edit mode, just displaying      } else { # not in edit mode, just displaying
  if (($newsfeed{$id.'_status'} ne 'public') && ($viewpubliconly)) { next; }   if (($newsfeed{$id.'_status'} ne 'public') && ($viewpubliconly)) { next; }
  if ($newsfeed{$id.'_status'} eq 'hidden') { next; }   if ($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'}.   $r->print("\n".($html?"\n<li><b>":"<item>\n<title>").$newsfeed{$id.'_title'}.
   ($html?"</b><br />\n":"</title>\n<description>").    ($html?"</b><br />\n":"</title>\n<description>").
   $newsfeed{$id.'_description'}.    $newsfeed{$id.'_description'}.
   ($html?"<br />\n<a href='":"</description>\n<link>").    ($html?"<br />":"</description>\n").
   "http://".$ENV{'HTTP_HOST'}.    ($link?($html?"\n<a href='":"<link>").
   $newsfeed{$id.'_link'}.    $link.
   ($html?("'>".&mt('Read more')."</a><br />\n"):"</link>\n"));    ($html?("'>".&mt('Read more')."</a><br />\n"):"</link>\n"):''));
    my $enclosure=$newsfeed{$id.'_enclosureurl'};
 # Enclosure? Get stats  # Enclosure? Get stats
  if ($newsfeed{$id.'_enclosureurl'}) {   if ($enclosure) {
     my @stat=&Apache::lonnet::stat_file($newsfeed{$id.'_enclosureurl'});      my @stat=&Apache::lonnet::stat_file($enclosure);
     if ($stat[7]) {      if ($stat[7]) {
 # Has non-zero length (and exists)  # 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='").   $r->print(($html?"<a href='":"\n<enclosure url='").
   $newsfeed{$id.'_enclosureurl'}."' length='".$stat[7].    $enclosure."' length='".$stat[7].
   "' type='".$enclosuretype.($html?"'>".&mt('Enclosure')."</a>":"' />"));    "' type='".$enclosuretype.($html?"'>".&mt('Enclosure')."</a>":"' />"));
     }      }
  }   }
Line 429  ENDEDIT Line 587  ENDEDIT
     if ($html) {      if ($html) {
  $r->print('</ul>');   $r->print('</ul>');
  if ($edit) {   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').'" />'.
       ($displayoption eq 'hidden'?'<input type="submit" name="advertisethisblog" value="'.&mt('Advertise this Feed').'" />':        ($displayoption eq 'hidden'?'<input type="submit" name="advertisethisblog" value="'.&mt('Advertise this Feed').'" />':
        '<input type="submit" name="hidethisblog" value="'.&mt('Hide this Feed').'" />'));         '<input type="submit" name="hidethisblog" value="'.&mt('Hide this Feed').'" />'));
  }   }
Removed from v.1.24  
changed lines
  Added in v.1.42

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