--- loncom/interface/lonfeedback.pm	2012/01/10 01:06:26	1.332
+++ loncom/interface/lonfeedback.pm	2012/03/06 18:10:23	1.336
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Feedback
 #
-# $Id: lonfeedback.pm,v 1.332 2012/01/10 01:06:26 www Exp $
+# $Id: lonfeedback.pm,v 1.336 2012/03/06 18:10:23 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1019,7 +1019,6 @@ sub build_posting_display {
         my $twoplus=$ave+2.*$stddev;
         my $oneminus=$ave-$stddev;
         my $twominus=$ave-2.*$stddev;
-#            &Apache::lonnet::logthis(join(',',@theselikes)." Ave $ave StdDev $stddev $twominus $oneminus $oneplus $twoplus");
 #
 # This is now the real loop. Go through all entries, pick up what we need
 # 
@@ -1072,7 +1071,7 @@ sub build_posting_display {
                 my %subjects = ();
                 my %attachtxt = ();
                 my %allattachments = ();
-                my ($screenname,$plainname);
+                my ($screenname,$plainname,$showaboutme);
                 my $sender = &mt('Anonymous');
 # Anonymous users getting number within a discussion
 # Since idx is in static order, this should give the same sequence every time. 
@@ -1082,7 +1081,7 @@ sub build_posting_display {
 		    $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
 		}
                 my ($message,$subject,$vgrlink,$ctlink);
-                &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
+                &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,\$showaboutme,$numoldver);
 
 
 # Set up for sorting by subject
@@ -1112,12 +1111,18 @@ sub build_posting_display {
                             }
                         }
 		        if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
-			    $sender=&Apache::loncommon::aboutmewrapper(
-					 $plainname,
-					 $contrib{$idx.':sendername'},
-					 $contrib{$idx.':senderdomain'}).' ('.
-					 $contrib{$idx.':sendername'}.':'.
-					 $contrib{$idx.':senderdomain'}.')';
+                            if ($showaboutme) {
+                                $sender = &Apache::loncommon::aboutmewrapper(
+                                              $plainname,
+                                              $contrib{$idx.':sendername'},
+                                              $contrib{$idx.':senderdomain'});
+                            } else {
+                                $sender = $plainname;
+                            }
+                            if ($see_anonymous) {
+                                $sender .= ' ('.$contrib{$idx.':sendername'}.':'.
+					   $contrib{$idx.':senderdomain'}.')';
+                            }
                             $sender = '<b>'.$sender.'</b>';
 			    if ($contrib{$idx.':anonymous'}) {
 			        $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
@@ -1156,18 +1161,12 @@ sub build_posting_display {
                                 @{$$namesort{$lastname}{$firstname}} = ("$idx");
                             }
                             if ($outputtarget ne 'tex') {
-                                unless ($likes{$symb.':'.$idx.':likers'}=~/\,\Q$thisuser\E\,/) {
-                                    $sender.='&nbsp;'.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsup.png" alt="'.&mt('Like').'" />','like',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Like this posting"));
-                                }
-                                unless ($likes{$symb.':'.$idx.':unlikers'}=~/\,\Q$thisuser\E\,/) {
-                                    $sender.='&nbsp;'.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsdown.png" alt="'.&mt('Unlike').'" />',,'unlike',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Unlike this posting"));
-                                }
-                                my $thislikes=$likes{$symb.':'.$idx.':likes'};
-                                if ($thislikes>0) { 
-                                    $sender.='&nbsp;('.&mt("[_1] likes",$thislikes).')';
-                                } elsif ($thislikes<0) {
-                                    $sender.='&nbsp;('.&mt("[_1] unlikes",abs($thislikes)).')';
+# Add karma stars
+                                my $karma=&userkarma($contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'});
+                                for (my $i=1;$i<=$karma;$i++) {
+                                    $sender.='<img border="0" src="/res/adm/pages/star.gif" alt="'.&mt('Contributor Kudos').'" />';
                                 }
+# Can people edit this?
                                 if (&editing_allowed($escsymb.':::'.$idx,$group)) {
                                     if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
                                         $sender.=' '.
@@ -1363,13 +1362,32 @@ sub build_posting_display {
                             } elsif ($thislikes<$oneminus) {
                                 $likesize="75";
                             }
+# Actually glue in the message itself
                             $$discussionitems[$idx].= '<br /><blockquote>'.
                                     "<div style='font-size:$likesize%'>".
                                     $message.
                                     '</div></blockquote>';
+# Put in the like and unlike buttons
+                            unless ($likes{$symb.':'.$idx.':likers'}=~/\,\Q$thisuser\E\,/) {
+                                $$discussionitems[$idx].='&nbsp;'.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsup.png" alt="'.&mt('Like').'" />','like',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Like this posting"));
+                            } else {
+                                $$discussionitems[$idx].='<img border="0" src="/res/adm/pages/thumbsup_gray.png" alt="'.&mt('You like this posting').'" />';
+                            }
+                            unless ($likes{$symb.':'.$idx.':unlikers'}=~/\,\Q$thisuser\E\,/) {
+                                $$discussionitems[$idx].='&nbsp;'.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsdown.png" alt="'.&mt('Unlike').'" />',,'unlike',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Unlike this posting"));
+                            } else {
+                                $$discussionitems[$idx].='<img border="0" src="/res/adm/pages/thumbsdown_gray.png" alt="'.&mt('You unlike this posting').'" />';
+                            }
+                            my $thislikes=$likes{$symb.':'.$idx.':likes'};
+                            if ($thislikes>0) {
+                                $$discussionitems[$idx].='&nbsp;('.&mt("[_1] likes",$thislikes).')';
+                            } elsif ($thislikes<0) {
+                                $$discussionitems[$idx].='&nbsp;('.&mt("[_1] unlikes",abs($thislikes)).')';
+                            }
+# If there is any history to this post, inform the reader
                             if ($contrib{$idx.':history'}) {
                                 my @postversions = ();
-                                $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
+                                $$discussionitems[$idx] .= '&nbsp;&nbsp;'.&mt('This post has been edited by the author.');
                                 if ($seeid) {
                                     $$discussionitems[$idx] .= '&nbsp;&nbsp;'.
                                          &discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group));
@@ -1456,7 +1474,7 @@ sub filter_regexp {
 
 
 sub get_post_contents {
-    my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
+    my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$showaboutme,$numver) = @_;
     my $discussion = '';
     my $start=$numver;
     my $end=$numver + 1;
@@ -1474,13 +1492,20 @@ sub get_post_contents {
                                         $$contrib{$idx.':sendername'},
                                         $$contrib{$idx.':senderdomain'});
     $$screenname=$$contrib{$idx.':screenname'};
-
-    my $sender=&Apache::loncommon::aboutmewrapper(
+    $$showaboutme = &Apache::lonnet::usertools_access($$contrib{$idx.':sendername'},
+                                                      $$contrib{$idx.':senderdomain'},
+                                                      'aboutme');
+    my $sender = $$plainname;
+    if ($$showaboutme) {
+        $sender = &Apache::loncommon::aboutmewrapper(
                                  $$plainname,
                                  $$contrib{$idx.':sendername'},
-                                 $$contrib{$idx.':senderdomain'}).' ('.
-                                 $$contrib{$idx.':sendername'}.':'.
-                                 $$contrib{$idx.':senderdomain'}.')';
+                                 $$contrib{$idx.':senderdomain'});
+    }
+    if ($seeid) {
+        $sender .= ' ('.$$contrib{$idx.':sendername'}.':'.
+                   $$contrib{$idx.':senderdomain'}.')';
+    }
     my $attachmenturls = $$contrib{$idx.':attachmenturl'};
     my @postversions = ();
     if ($type eq 'allversions' || $type eq 'export') {
@@ -3065,6 +3090,7 @@ sub adddiscuss {
        $newrecord{'subnumber'}=$record{'subnumber'}+1;
        $status.='<br />'.&mt('Registering').': '.
                &Apache::lonnet::cstore(\%newrecord,'_discussion');
+       &updatekarma();
     }
     } else {
 	$status.='Failed.';
@@ -3112,6 +3138,27 @@ sub updatekarma {
     unless ($udom)  { $udom=$env{'user.domain'}; }
     unless ($course) { $course=$env{'request.course.id'}; }
     my $karma=&calcdiscussionkarma($uname,$udom,$course);
+    &Apache::lonnet::cstore({ 'karma' => $karma },'_discussion',$course,$udom,$uname);
+    &Apache::lonnet::do_cache_new('karma',$uname.':'.$udom.':'.$course,$karma,3600);
+    return $karma;
+}
+
+# Retrieve karma
+
+sub userkarma {
+    my ($uname,$udom,$course)=@_;
+    unless ($uname) { $uname=$env{'user.name'}; }
+    unless ($udom)  { $udom=$env{'user.domain'}; }
+    unless ($course) { $course=$env{'request.course.id'}; }
+    my $hashkey=$uname.':'.$udom.':'.$course;
+    my ($karma,$cached)=&Apache::lonnet::is_cached_new('karma',$hashkey);
+    if ($cached) {
+        return $karma;
+    }
+    my %userdisc=&getdiscussionrecords($uname,$udom,$course);
+    $karma=$userdisc{'karma'};
+    &Apache::lonnet::do_cache_new('karma',$hashkey,$karma,3600);
+    return $karma;
 }
 
 # Store discussion credit
@@ -3148,7 +3195,11 @@ sub storediscussionlikes {
                    'likes' => $likes,
                    'totallikes' => $totallikes,
                    'totalvotes' => $totalvotes);
-    return &Apache::lonnet::cstore(\%newrecord,'_discussion',$course,$udom,$uname);
+    my $status=&Apache::lonnet::cstore(\%newrecord,'_discussion',$course,$udom,$uname);
+    if ($status eq 'ok') {
+        &updatekarma($uname,$udom,$course);
+    }
+    return $status;
 }
 
 sub get_discussion_info {
@@ -3436,14 +3487,13 @@ sub generate_attachments_button {
     my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
         $numoldver,$mode,$blockblog) = @_;
     my $origpage = $ENV{'REQUEST_URI'};
-    my $att=$attachnum.' '.&mt("attachments");
     my %lt = &Apache::lonlocal::texthash(
-                'clic' => 'Click to add/remove attachments',
+                'clic' => 'Add/remove attachments',
     ); 
     my $response = (<<END);
 <br />
 <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
-$lt{'clic'}:&nbsp;<input type="button" value="$att"
+<input type="button" value="$lt{'clic'}"
 onclick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=escape(document.mailform.comment.value);this.form.subject.value=escape(document.mailform.subject.value);
 END
     if (!$blockblog) {
@@ -3761,11 +3811,11 @@ sub handler {
           my %attachmsgs = ();
           my %allattachments = ();
           my %imsfiles = ();
-          my ($screenname,$plainname);
+          my ($screenname,$plainname,$showaboutme);
           my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
                            $env{'course.'.$env{'request.course.id'}.'.domain'},
                            $env{'course.'.$env{'request.course.id'}.'.num'});
-          $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
+          $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname,\$showaboutme));
       }
       $r->print(&Apache::loncommon::end_page());
       return OK;