--- loncom/interface/lonfeedback.pm 2012/03/07 01:26:48 1.290.2.7.2.2 +++ loncom/interface/lonfeedback.pm 2012/05/01 15:56:16 1.290.2.7.2.5 @@ -1,7 +1,7 @@ # The LearningOnline Network # Feedback # -# $Id: lonfeedback.pm,v 1.290.2.7.2.2 2012/03/07 01:26:48 raeburn Exp $ +# $Id: lonfeedback.pm,v 1.290.2.7.2.5 2012/05/01 15:56:16 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -82,6 +82,26 @@ sub discussion_visible { return 1; } +sub discussion_vote_available { + my ($status,$symb)=@_; + my $canvote=&Apache::lonnet::EXT('resource.0.discussvote',$symb); + if ((lc($canvote) eq 'yes') || + ((lc($canvote) eq 'notended') && (&discussion_open($status,$symb)))) { + return 1; + } +} + +sub get_realsymb { + my ($symb) = @_; + my $realsymb = $symb; + if ($symb=~/^bulletin___/) { + my $filename=(&Apache::lonnet::decode_symb($symb))[2]; + $filename=~s{^adm/wrapper/}{}; + $realsymb=&Apache::lonnet::symbread($filename); + } + return $realsymb; +} + sub list_discussion { my ($mode,$status,$ressymb,$imsextras,$group)=@_; unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } @@ -257,14 +277,14 @@ sub list_discussion { $visit ++; my $seeid; - if (($group ne '') && ($mode eq 'board') && - ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { - if (&check_group_priv($group,'dgp') eq 'ok') { - $seeid = 1; - } - } else { - $seeid=&Apache::lonnet::allowed('rin',$crs); + if (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { + $seeid = 1; } + my $seehidden = &can_see_hidden($mode,$ressymb,undef,$group,$cdom,$cnum,$crs); +# Is voting on discussions available + my $realsymb = &get_realsymb($ressymb); + my $canvote = &discussion_vote_available($status,$realsymb); + my @discussionitems=(); my %shown = (); my @posteridentity=(); @@ -291,7 +311,7 @@ sub list_discussion { $discinfo{$visitkey} = $visit; &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); - &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group); + &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$seehidden,$canvote,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group); my $discussion=''; my $manifestfile; @@ -450,7 +470,7 @@ imscp_v1p1.xsd http://www.imsglobal.org/ "\n".''; $discussion .= &action_links_bar($colspan,$ressymb,$visible, $newpostsflag,$group, - $prevread,$markondisp); + $prevread,$markondisp,$seehidden); my $escsymb=&escape($ressymb); my $numhidden = keys(%notshown); if ($numhidden > 0) { @@ -664,7 +684,7 @@ END END $discussion .= &action_links_bar($colspan,$ressymb,$visible, $newpostsflag,$group, - $prevread,$markondisp); + $prevread,$markondisp,$seehidden); $discussion .= "


\n"; @@ -764,9 +784,15 @@ END $discussion.= &send_feedback_link($ressymb,$target); if ($env{'request.role.adv'}) { my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb); + my $canvote = &Apache::lonnet::EXT('resource.0.discussvote',$ressymb); if (defined($close) && $close ne '' && $close < time) { - $discussion .= ' '.&mt('(Closed for [_1] roles)', - &Apache::lonnet::plaintext('st',$crstype)); + if ($canvote eq 'notended') { + $discussion .= ' '.&mt('(Posting and voting closed for [_1] roles)', + &Apache::lonnet::plaintext('st',$crstype)); + } else { + $discussion .= ' '.&mt('(Closed for [_1] roles)', + &Apache::lonnet::plaintext('st',$crstype)); + } } } } else { @@ -777,6 +803,39 @@ END return $discussion; } +sub can_see_hidden { + my ($mode,$ressymb,$feedurl,$group,$cdom,$cnum,$crs) = @_; + my $seehidden; + if ($env{'request.course.id'}) { + unless ($cdom ne '' && $cnum ne '') { + $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + } + if ($crs eq '') { + $crs = '/'.$env{'request.course.id'}; + if ($env{'request.course.sec'}) { + $crs.='_'.$env{'request.course.sec'}; + } + $crs=~s{_}{/}g; + } + if ($mode eq '') { + $mode='board'; + if ($feedurl =~ /$LONCAPA::assess_re/) { + $mode='problem'; + } + } + if (($group ne '') && ($mode eq 'board') && + ($ressymb =~ m{^bulletin___\d+\Q___adm/wrapper/adm/$cdom/$cnum/\E\d+/bulletinboard$})) { + if (&check_group_priv($group,'dgp') eq 'ok') { + $seehidden = 1; + } + } else { + $seehidden=&Apache::lonnet::allowed('rin',$crs); + } + } + return $seehidden; +} + sub discussion_link { my ($ressymb,$linktext,$cmd,$item,$flag,$prev,$adds,$title) = @_; my $link = ''. ''. ''; + $discussion .= '">'.&mt('Export').''; + if ($seehidden) { + $discussion .= '  '; + $discussion .=''.&mt('Undelete all deleted entries').''; + } + $discussion.=''; if ($newpostsflag) { if (!$markondisp) { $discussion .=''; } -# Figure out size based on likes - my $thislikes=$likes{$symb.':'.$idx.':likes'}; my $likesize="100"; - if ($thislikes>$twoplus) { - $likesize="200"; - } elsif ($thislikes>$oneplus) { - $likesize="150"; - } - if ($thislikes<$twominus) { - $likesize="50"; - } elsif ($thislikes<$oneminus) { - $likesize="75"; + if ($seeid || $canvote) { +# Figure out size based on likes + my $thislikes=$likes{$symb.':'.$idx.':likes'}; + if ($thislikes>$twoplus) { + $likesize="200"; + } elsif ($thislikes>$oneplus) { + $likesize="150"; + } + if ($thislikes<$twominus) { + $likesize="50"; + } elsif ($thislikes<$oneminus) { + $likesize="75"; + } } # Actually glue in the message itself $$discussionitems[$idx].= '
'; @@ -840,7 +900,17 @@ sub action_links_bar { $discussion .= '&previous='.$prevread; } $discussion .= &group_args($group); - $discussion .= '">'.&mt('Export').'?  '.&mt('Edit').''; - unless ($seeid) { + unless ($seehidden) { my $grpargs = &group_args($group); $sender.=" '; } } } - if ($seeid) { + if ($seehidden) { if ($hiddens{$idx}) { unless ($studenthidden) { $sender.='   '. $ctlink.'
'. "
". $message. '
'; + if ($canvote) { + my $ownpost; + if (($uname eq $env{'user.name'}) && + ($udom eq $env{'user.domain'})) { + $ownpost = 1; + } # Put in the like and unlike buttons - unless ($likes{$symb.':'.$idx.':likers'}=~/\,\Q$thisuser\E\,/) { - $$discussionitems[$idx].=' '.&discussion_link($symb,''.&mt('Like').'','like',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Like this posting")); - } else { - $$discussionitems[$idx].=''.&mt('You like this posting').''; - } - unless ($likes{$symb.':'.$idx.':unlikers'}=~/\,\Q$thisuser\E\,/) { - $$discussionitems[$idx].=' '.&discussion_link($symb,''.&mt('Unlike').'','unlike',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Unlike this posting")); - } else { - $$discussionitems[$idx].=''.&mt('You unlike this posting').''; + if ($ownpost || (($hiddens{$idx}) && ($seehidden))) { + my $novote; + if ($ownpost) { + $novote = &mt('No voting for your own posts.'); + } else { + $novote = &mt('No voting for hidden posts.'); + } + $$discussionitems[$idx].= + ''. + ''.$novote.' '. + ''.$novote.''; + } else { + if ($userlikes{$idx}) { + $$discussionitems[$idx].=''.&mt('You like this posting').''; + } else { + $$discussionitems[$idx].=' '.&discussion_link($symb,''.&mt('Like').'','like',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Like this posting")); + } + if ($userunlikes{$idx}) { + $$discussionitems[$idx].=''.&mt('You unlike this posting').''; + } else { + $$discussionitems[$idx].=' '.&discussion_link($symb,''.&mt('Unlike').'','unlike',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Unlike this posting")); + } + } } - my $thislikes=$likes{$symb.':'.$idx.':likes'}; - if ($thislikes>0) { - $$discussionitems[$idx].=' ('.&mt("[_1] likes",$thislikes).')'; - } elsif ($thislikes<0) { - $$discussionitems[$idx].=' ('.&mt("[_1] unlikes",abs($thislikes)).')'; + if ($seeid || $canvote) { + my $thislikes=$likes{$symb.':'.$idx.':likes'}; + if ($thislikes>0) { + $$discussionitems[$idx].=' ('.&mt("[_1] likes",$thislikes).')'; + } elsif ($thislikes<0) { + $$discussionitems[$idx].=' ('.&mt("[_1] unlikes",abs($thislikes)).')'; + } } +# If there is any history to this post, inform the reader if ($contrib{$idx.':history'}) { my @postversions = (); $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); - if ($seeid) { + if ($seehidden) { $$discussionitems[$idx] .= '  '.&mt('Display all versions').''; @@ -1489,13 +1606,13 @@ sub filter_regexp { sub get_post_contents { - my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$showaboutme,$numver) = @_; + my ($contrib,$idx,$seeid,$seehidden,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$showaboutme,$numver) = @_; my $discussion = ''; my $start=$numver; my $end=$numver + 1; %{$$imsfiles{$idx}}=(); if ($type eq 'allversions') { - unless($seeid) { + unless($seehidden) { $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); return $discussion; } @@ -1513,12 +1630,12 @@ sub get_post_contents { my $sender = $$plainname; if ($$showaboutme) { $sender = &Apache::loncommon::aboutmewrapper( - $$plainname, - $$contrib{$idx.':sendername'}, - $$contrib{$idx.':senderdomain'}); + $$plainname, + $$contrib{$idx.':sendername'}, + $$contrib{$idx.':senderdomain'}); } if ($seeid) { - $sender .= ' ('. $$contrib{$idx.':sendername'}.':'. + $sender .= ' ('.$$contrib{$idx.':sendername'}.':'. $$contrib{$idx.':senderdomain'}.')'; } my $attachmenturls = $$contrib{$idx.':attachmenturl'}; @@ -1705,6 +1822,7 @@ END $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { + my $numoldver = 0; if ($contrib{$idx.':history'}) { if ($contrib{$idx.':history'} =~ /:/) { my @oldversions = split(/:/,$contrib{$idx.':history'}); @@ -1713,36 +1831,25 @@ END $numoldver = 1; } } - if ($env{'form.replydisc'}) { - if ($contrib{$idx.':history'}) { - if ($contrib{$idx.':history'} =~ /:/) { - my @oldversions = split(/:/,$contrib{$idx.':history'}); - $numoldver = @oldversions; - } else { - $numoldver = 1; - } + if ($idx > 0) { + my (%msgversions,%subversions,$htmldecode); + $htmldecode = 0; + if ($env{'form.replydisc'}) { + $htmldecode = 1; } - if ($idx > 0) { - my %msgversions = (); - &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); + &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); + &get_post_versions(\%subversions,$contrib{$idx.':subject'},$htmldecode, + $numoldver); + $subject = $subversions{$numoldver}; + if ($env{'form.replydisc'}) { $quote = $msgversions{$numoldver}; - } - if ($idx > 0) { - my %subversions = (); - &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); - $subject = &mt('Re: ').$subversions{$numoldver}; - } - $subject = &HTML::Entities::encode($subject,'<>&"'); - } else { - $attachmenturls = $contrib{$idx.':attachmenturl'}; - if ($idx > 0) { - my %msgversions = (); - &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); + $subject = &HTML::Entities::encode(&mt('Re: ').$subject,'<>&"'); + } else { $comment = $msgversions{$numoldver}; - my %subversions = (); - &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); - $subject = $subversions{$numoldver}; } + } + if ($env{'form.editdisc'}) { + $attachmenturls = $contrib{$idx.':attachmenturl'}; if (defined($contrib{$idx.':replyto'})) { $parentmsg = $contrib{$idx.':replyto'}; } @@ -2391,24 +2498,11 @@ sub print_showposters { $r->send_http_header; &Apache::lonenc::check_encrypt(\$symb); - my $crs='/'.$env{'request.course.id'}; - if ($env{'request.course.sec'}) { - $crs.='_'.$env{'request.course.sec'}; - } - $crs=~s/\_/\//g; - my $seeid; my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; my $group = $env{'form.group'}; my $ressymb = &wrap_symb($symb); - if (($group ne '') && - ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { - if (&check_group_priv($group,'dgp') eq 'ok') { - $seeid = 1; - } - } else { - $seeid=&Apache::lonnet::allowed('rin',$crs); - } + my $seehidden = &can_see_hidden('',$ressymb,$feedurl,$group,$cdom,$cnum); my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, $cdom,$cnum); my %namesort = (); @@ -2424,7 +2518,7 @@ sub print_showposters { for (my $idx=1;$idx<=$contrib{'version'};$idx++) { my $hidden=($contrib{'hidden'}=~/\.$idx\./); my $deleted=($contrib{'deleted'}=~/\.$idx\./); - unless ((($hidden) && (!$seeid)) || ($deleted)) { + unless ((($hidden) && (!$seehidden)) || ($deleted)) { if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); my $lastname = $names{'lastname'}; @@ -2723,7 +2817,7 @@ sub no_redirect_back { 'add_entries' => \%onload,); if ($feedurl !~ m{^/adm/feedback}) { - $body_options{'rediect'} = [2,$feedurl]; + $body_options{'redirect'} = [2,$feedurl]; } my $start_page= &Apache::loncommon::start_page('Feedback not sent',undef, @@ -2794,12 +2888,7 @@ sub screen_header { my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; - my $realsymb = $symb; - if ($symb=~/^bulletin___/) { - my $filename=(&Apache::lonnet::decode_symb($symb))[2]; - $filename=~s|^adm/wrapper/||; - $realsymb=&Apache::lonnet::symbread($filename); - } + my $realsymb = &get_realsymb($symb); if (!$blocked && &discussion_open(undef,$realsymb) && (&Apache::lonnet::allowed('pch', $env{'request.course.id'}. @@ -2965,17 +3054,13 @@ sub storefeedbacklikes { sub adddiscuss { my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_; my $status=''; - my $realsymb; - if ($symb=~/^bulletin___/) { - my $filename=(&Apache::lonnet::decode_symb($symb))[2]; - $filename=~s|^adm/wrapper/||; - $realsymb=&Apache::lonnet::symbread($filename); - } + my $realsymb = &get_realsymb($symb); my ($cnum,$cdom); if ($env{'request.course.id'}) { $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; } + my $realsymb; if (&discussion_open(undef,$realsymb) && (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || @@ -3068,6 +3153,7 @@ sub adddiscuss { $newrecord{'subnumber'}=$record{'subnumber'}+1; $status.='
'.&mt('Registering').': '. &Apache::lonnet::cstore(\%newrecord,'_discussion'); + &updatekarma(); } } else { $status.='Failed.'; @@ -3086,27 +3172,93 @@ sub getdiscussionrecords { return %record; } +# Routine to get discussion statistics + +sub getdiscussionstats { + my %record=&getdiscussionrecords(@_); + my $totalvotes = $record{'totallikes'} + $record{'totalunlikes'}; + return ($record{'subnumber'},$record{'points'},$record{'totallikes'},$totalvotes); +} + +# Calculate discussion karma + +sub calcdiscussionkarma { + my ($subs,$pts,$likes,$votes)=&getdiscussionstats(@_); + my $karma=0; + if ($votes>0) { + $karma=int(.1+5.*(1.-exp(-$subs/10.))*$likes/$votes); + if ($karma<0) { $karma=0; } + if ($karma>5) { $karma=5; } + } + return $karma; +} + +# Update karma + +sub updatekarma { + my ($uname,$udom,$course)=@_; + unless ($uname) { $uname=$env{'user.name'}; } + 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 + +sub storediscussionpoints { + my ($points,$uname,$udom,$course)=@_; + unless ($points) { $points=0; } + unless ($uname) { $uname=$env{'user.name'}; } + unless ($udom) { $udom=$env{'user.domain'}; } + unless ($course) { $course=$env{'request.course.id'}; } + my %record=('grader_user' => $env{'user.name'}, + 'grader_domain' => $env{'user.domain'}, + 'points' => $points); + return &Apache::lonnet::cstore(\%record,'_discussion',$course,$udom,$uname); +} + # Store discussion "likes" sub storediscussionlikes { - my ($likes,$uname,$udom,$course)=@_; - unless ($likes) { $likes=0; } - if ($likes>0) { $likes=1; } - if ($likes<0) { $likes=-1; } + my ($chglikes,$chgunlikes,$uname,$udom,$course,$context)=@_; unless ($uname) { $uname=$env{'user.name'}; } unless ($udom) { $udom=$env{'user.domain'}; } unless ($course) { $course=$env{'request.course.id'}; } my %record=&getdiscussionrecords($uname,$udom,$course); my $totallikes=$record{'totallikes'}; - my $totalvotes=$record{'totalvotes'}; - $totallikes+=$likes; - $totalvotes++; + my $totalunlikes=$record{'totalunlikes'}; + $totallikes += $chglikes; + $totalunlikes += $chgunlikes; my %newrecord=('likes_user' => $env{'user.name'}, 'likes_domain' => $env{'user.domain'}, - 'likes' => $likes, - 'totallikes' => $totallikes, - 'totalvotes' => $totalvotes); + 'totallikes' => $totallikes, + 'totalunlikes' => $totalunlikes, + 'context' => $context); my $status=&Apache::lonnet::cstore(\%newrecord,'_discussion',$course,$udom,$uname); + if ($status eq 'ok') { + &updatekarma($uname,$udom,$course); + } return $status; } @@ -3636,14 +3788,16 @@ sub handler { # --------------------------- Get query string for limited number of parameters &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, - ['like','unlike','hide','unhide','deldisc','postdata','preview','replydisc','editdisc','cmd','symb','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortposts','applysort','rolefilter','statusfilter','sectionpick','groupick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export','sendmessageonly','group','ref']); + ['like','unlike','hide','unhide','deldisc','undeleteall','postdata','preview','replydisc','editdisc','cmd','symb','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortposts','applysort','rolefilter','statusfilter','sectionpick','groupick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export','sendmessageonly','group','ref']); my $group = $env{'form.group'}; + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; my %attachmax = ( text => &mt('(128 KB max size)'), num => 131072, ); if ($env{'form.editdisc'}) { - if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { + if (!(&editing_allowed($env{'form.editdisc'},$group))) { my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); my $feedurl=&Apache::lonnet::clutter($url); @@ -3692,25 +3846,14 @@ sub handler { {'bread_crumbs' => $brcrum,}) ); - my $crs='/'.$env{'request.course.id'}; - if ($env{'request.course.sec'}) { - $crs.='_'.$env{'request.course.sec'}; - } - $crs=~s|_|/|g; - my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; - my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); - ($symb)=&get_feedurl_and_clean_symb($symb); + ($symb, my $feedurl)=&get_feedurl_and_clean_symb($symb); my $ressymb = &wrap_symb($symb); - my $group = $env{'form.group'}; my $seeid; - if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { - if (&check_group_priv($group,'dgp') eq 'ok') { - $seeid = 1; - } - } else { - $seeid = &Apache::lonnet::allowed('rin',$crs); + if (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { + $seeid = 1; } + my $seehidden = &can_see_hidden('',$ressymb,$feedurl,$group,$cdom,$cnum); if ($idx > 0) { my %messages = (); my %subjects = (); @@ -3719,9 +3862,8 @@ sub handler { my %imsfiles = (); 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,\$showaboutme)); + $cdom,$cnum); + $r->print(&get_post_contents(\%contrib,$idx,$seeid,$seehidden,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname,\$showaboutme)); } $r->print(&Apache::loncommon::end_page()); return OK; @@ -3863,37 +4005,32 @@ ENDREDIR my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; my ($symb,$idx)=split(/\:\:\:/,$entry); ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); + my $ressymb = &wrap_symb($symb); - my $crs='/'.$env{'request.course.id'}; - if ($env{'request.course.sec'}) { - $crs.='_'.$env{'request.course.sec'}; - } - $crs=~s/\_/\//g; - my $seeid=&Apache::lonnet::allowed('rin',$crs); - - if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { - &redirect_back($r,$feedurl,&mt('Deletion not permitted').'
', '0','0','','',$env{'form.previous'},'','','','', - undef,undef,$group,); + my $seehidden = &can_see_hidden('',$ressymb,$feedurl,$group,$cdom,$cnum); + unless (($seehidden) || (&editing_allowed($env{'form.hide'},$group))) { + &redirect_back($r,$feedurl,&mt('Hiding not permitted').'
', + '0','0','','',$env{'form.previous'},'','','','', + undef,undef,$group,); return OK; } my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, - $env{'course.'.$env{'request.course.id'}.'.domain'}, - $env{'course.'.$env{'request.course.id'}.'.num'}); + $cdom,$cnum); my $currenthidden=$contrib{'hidden'}; my $currentstudenthidden=$contrib{'studenthidden'}; if ($env{'form.hide'}) { $currenthidden.='.'.$idx.'.'; - unless ($seeid) { + unless ($seehidden) { $currentstudenthidden.='.'.$idx.'.'; } } else { $currenthidden=~s/\.$idx\.//g; } my %newhash=('hidden' => $currenthidden); - if ( ($env{'form.hide'}) && (!$seeid) ) { + if ( ($env{'form.hide'}) && (!$seehidden) ) { $newhash{'studenthidden'} = $currentstudenthidden; } if ($env{'form.hide'}) { @@ -3902,16 +4039,46 @@ ENDREDIR ($changelast,$newlast) = &get_discussion_info($idx,%contrib); if ($changelast) { &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, - $env{'course.'.$env{'request.course.id'}.'.domain'}, - $env{'course.'.$env{'request.course.id'}.'.num'}); + $cdom,$cnum); } } - &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, - $env{'course.'.$env{'request.course.id'}.'.domain'}, - $env{'course.'.$env{'request.course.id'}.'.num'}); + my $result; + if (&Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, + $cdom,$cnum) eq 'ok') { + my $prefix=$symb.':'.$idx.':'; + my %likes=&Apache::lonnet::dump('disclikes',$cdom,$cnum, + '^'.$prefix); + my ($totallikes,$totalunlikes); + if (ref($likes{$prefix.'likers'}) eq 'HASH') { + $totallikes = scalar(keys(%{$likes{$prefix.'likers'}})); + } + if (ref($likes{$prefix.'unlikers'}) eq 'HASH') { + $totalunlikes = scalar(keys(%{$likes{$prefix.'unlikers'}})); + } + if ($totallikes || $totalunlikes) { + my ($chglikes,$chgunlikes,$context); + if ($env{'form.hide'}) { + $chglikes = -1 * $totallikes; + $chgunlikes = -1 * $totalunlikes; + $context = 'hide'; + } else { + $chglikes = $totallikes; + $chgunlikes = $totalunlikes; + $context = 'unhide'; + } + &storediscussionlikes($chglikes,$chgunlikes, + $contrib{$idx.':sendername'}, + $contrib{$idx.':senderdomain'}, + $env{'request.course.id'}, + $context); - &redirect_back($r,$feedurl,&mt('Changed discussion status').'
', - '0','0','','',$env{'form.previous'},undef,undef,undef, + } + $result = &mt('Changed discussion status'); + } else { + $result = &mt('Discussion status unchanged'); + } + &redirect_back($r,$feedurl,$result.'
','0','0','','', + $env{'form.previous'},undef,undef,undef, undef,undef,undef,$group); return OK; } elsif (($env{'form.like'}) || ($env{'form.unlike'})) { @@ -3919,71 +4086,145 @@ ENDREDIR my $entry=$env{'form.like'}?$env{'form.like'}:$env{'form.unlike'}; my ($symb,$idx)=split(/\:\:\:/,$entry); ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); + my $result; + if ($idx > 0) { + my $realsymb = &get_realsymb($symb); + my $status='OPEN'; + if ($Apache::lonhomework::parsing_a_problem || + $Apache::lonhomework::parsing_a_task) { + $status=$Apache::inputtags::status[-1]; + } + if (&discussion_vote_available($status,$realsymb)) { + my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, + $cdom,$cnum); + my $ownpost; + if (($contrib{$idx.':sendername'} eq $env{'user.name'}) && + ($contrib{$idx.':senderdomain'} eq $env{'user.domain'})) { + $ownpost = 1; + } + if ($ownpost || $contrib{$idx.':hidden'} || $contrib{$idx.':deleted'}) { + $result = &mt('Vote not registered.').' '; + } + if ($ownpost) { + $result .= &mt('No voting for your own posts.'); + } elsif ($contrib{$idx.':hidden'}) { + $result .= &mt('No voting for hidden posts.'); + } elsif ($contrib{$idx.':deleted'}) { + $result .= &mt('No voting for deleted posts.'); + } else { # # Likes and unlikes are in db-file "disclikes" of the course # The prefix is the $symb to identify the resource discussion, # and the $idx to identify the entry # - my $prefix=$symb.':'.$idx.':'; - my %contrib=&Apache::lonnet::dump('disclikes', - $env{'course.'.$env{'request.course.id'}.'.domain'}, - $env{'course.'.$env{'request.course.id'}.'.num'}, - '^'.$prefix); -# Get all who like or unlike this - my $currentlikers=$contrib{$prefix.'likers'}; - my $currentunlikers=$contrib{$prefix.'unlikers'}; + my $prefix=$symb.':'.$idx.':'; + my %likes=&Apache::lonnet::dump('disclikes',$cdom,$cnum, + '^'.$prefix); + +# Get current like or unlike status for the $idx for this user. + my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; + my ($userlikes,$userunlikes); + if (ref($likes{$prefix.'likers'}) eq 'HASH') { + if (exists($likes{$prefix.'likers'}{$thisuser})) { + $userlikes = 1; + } + } + if (ref($likes{$prefix.'unlikers'}) eq 'HASH') { + if (exists($likes{$prefix.'unlikers'}{$thisuser})) { + $userunlikes = 1; + } + } # Get the current "likes" count - my $likes=$contrib{$prefix.'likes'}; + my $likescount=$likes{$prefix.'likes'}; # Find out if they already voted -# Users cannot like a post twice, or unlike it twice. They can change their mind, though - my $alreadyflag=0; - my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; - if ($env{'form.like'}) { - if ($currentlikers=~/\,\Q$thisuser\E\,/) { - $alreadyflag=1; - } else { - if ($currentunlikers=~/\,\Q$thisuser\E\,/) { - $currentunlikers=~s/\,\Q$thisuser\E\,//g; - } else { - $currentlikers.=','.$thisuser.','; - } - $likes++; - } - } else { - if ($currentunlikers=~/\,\Q$thisuser\E\,/) { - $alreadyflag=1; - } else { - if ($currentlikers=~/\,\Q$thisuser\E\,/) { - $currentlikers=~s/\,\Q$thisuser\E\,//g; - } else { - $currentunlikers.=','.$thisuser.','; - } - $likes--; - } - } - my $result; +# Users cannot like a post twice, or unlike it twice. +# They can change their mind, though. + my $alreadyflag=0; + my $votetype; + if ($env{'form.like'}) { + if ($userlikes) { + $alreadyflag=1; + } elsif ($userunlikes) { + delete($likes{$prefix.'unlikers'}{$thisuser}); + $votetype = 'switch'; + $likescount++; + } else { + if (ref($likes{$prefix.'likers'}) eq 'HASH') { + $likes{$prefix.'likers'}{$thisuser} = 1; + } else { + $likes{$prefix.'likers'} = {$thisuser => 1}; + } + $likescount++; + } + } else { + if ($userunlikes) { + $alreadyflag=1; + } elsif ($userlikes) { + delete($likes{$prefix.'likers'}{$thisuser}); + $votetype = 'switch'; + $likescount--; + } else { + if (ref($likes{$prefix.'unlikers'}) eq 'HASH') { + $likes{$prefix.'unlikers'}{$thisuser} = 1; + } else { + $likes{$prefix.'unlikers'} = {$thisuser => 1}; + } + $likescount--; + } + } # $alreadyflag would be 1 if they tried to double-like or double-unlike - unless ($alreadyflag) { - my %newhash=($prefix.'likes' => $likes, - $prefix.'likers' => $currentlikers, - $prefix.'unlikers' => $currentunlikers); + if ($alreadyflag) { + if ($env{'form.like'}) { + $result= &mt("'Like' already registered"); + } else { + $result= &mt("'Unlike' already registered"); + } + } else { + my %newhash=($prefix.'likes' => $likescount, + $prefix.'likers' => $likes{$prefix.'likers'}, + $prefix.'unlikers' => $likes{$prefix.'unlikers'}); # Store data in db-file "disclikes" - if (&Apache::lonnet::put('disclikes', - \%newhash, - $env{'course.'.$env{'request.course.id'}.'.domain'}, - $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') { + if (&Apache::lonnet::put('disclikes',\%newhash,$cdom,$cnum) eq 'ok') { # Also store with the person who posted the liked/unliked entry - if ($env{'form.like'}) { - &storediscussionlikes(1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); - $result=&mt("Registered 'Like'"); - } else { - &storediscussionlikes(-1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); - $result=&mt("Registered 'Unlike'"); + my ($chglike,$chgunlike); + if ($env{'form.like'}) { + if ($votetype eq 'switch') { + $chglike = 0; + $chgunlike = -1; + } else { + $chglike = 1; + $chgunlike = 0; + } + &storediscussionlikes($chglike,$chgunlike, + $contrib{$idx.':sendername'}, + $contrib{$idx.':senderdomain'}, + $env{'request.course.id'},'like'); + $result=&mt("Registered 'Like'"); + } else { + if ($votetype eq 'switch') { + $chglike = -1; + $chgunlike = 0; + } else { + $chglike = 0; + $chgunlike = 1; + } + &storediscussionlikes($chglike,$chgunlike, + $contrib{$idx.':sendername'}, + $contrib{$idx.':senderdomain'}, + $env{'request.course.id'},'unlike'); + $result=&mt("Registered 'Unlike'"); + } + } else { +# Oops, something went wrong + $result=&mt("Failed to register vote"); + } + } } } else { -# Oops, something went wrong - $result=&mt("Failed to register vote"); + $result=&mt('Voting unavailable for this discussion'); } + } else { + $result=&mt('Invalid post number'); } &redirect_back($r,$feedurl,$result.'
', '0','0','','',$env{'form.previous'},undef,undef,undef, @@ -4006,20 +4247,50 @@ ENDREDIR # --------------------------------------------------------------- Hide for good my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); + my $ressymb=&wrap_symb($symb); + unless (&can_see_hidden('',$ressymb,$feedurl,$group,$cdom,$cnum)) { + &redirect_back($r,$feedurl,&mt('Deletion not permitted').'
', + '0','0','','',$env{'form.previous'},'','','','', + undef,undef,$group); + return OK; + } my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, - $env{'course.'.$env{'request.course.id'}.'.domain'}, - $env{'course.'.$env{'request.course.id'}.'.num'}); + $cdom,$cnum); my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); if ($changelast) { &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, - $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); + $cdom,$cnum); } my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); - &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, - $env{'course.'.$env{'request.course.id'}.'.domain'}, - $env{'course.'.$env{'request.course.id'}.'.num'}); - &redirect_back($r,$feedurl,&mt('Changed discussion status').'
', - '0','0','','',$env{'form.previous'},undef,undef,undef, + + my $result; + if (&Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, + $cdom,$cnum) eq 'ok') { + $result = &mt('Changed discussion status'); + my $prefix=$symb.':'.$idx.':'; + my %likes=&Apache::lonnet::dump('disclikes',$cdom,$cnum, + '^'.$prefix); + my ($totallikes,$totalunlikes); + if (ref($likes{$prefix.'likers'}) eq 'HASH') { + $totallikes = scalar(keys(%{$likes{$prefix.'likers'}})); + } + if (ref($likes{$prefix.'unlikers'}) eq 'HASH') { + $totalunlikes = scalar(keys(%{$likes{$prefix.'unlikers'}})); + } + if ($totallikes || $totalunlikes) { + my $chglikes = -1 * $totallikes; + my $chgunlikes = -1 * $totalunlikes; + &storediscussionlikes($chglikes,$chgunlikes, + $contrib{$idx.':sendername'}, + $contrib{$idx.':senderdomain'}, + $env{'request.course.id'}, + 'delete'); + } + } else { + $result = &mt('Discussion status unchanged'); + } + &redirect_back($r,$feedurl,$result.'
','0','0','','', + $env{'form.previous'},undef,undef,undef, undef,undef,undef,$group); return OK; } elsif ($env{'form.preview'}) { @@ -4047,8 +4318,7 @@ ENDREDIR my $idx = $env{'form.idx'}; if ($idx) { my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, - $env{'course.'.$env{'request.course.id'}.'.domain'}, - $env{'course.'.$env{'request.course.id'}.'.num'}); + $cdom,$cnum); $attachmenturls = $contrib{$idx.':attachmenturl'}; } &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, @@ -4072,6 +4342,55 @@ ENDREDIR &Apache::loncommon::end_page(); $r->print($start_page.$discussion.$end_page); return OK; + } elsif ($env{'form.undeleteall'}) { + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; + my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.undeleteall'}); + my $ressymb=&wrap_symb($symb); + $r->print(&Apache::loncommon::start_page('Undelete all deleted discussion entries')); + if (&can_see_hidden('',$ressymb,$feedurl,$group,$cdom,$cnum)) { + my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, + $cdom,$cnum); + $contrib{'deleted'} =~ s/^\.//; + $contrib{'deleted'} =~ s/\.$//; + if ($contrib{'deleted'} ne '') { + if (&Apache::lonnet::store({'deleted' => ''},$symb,$env{'request.course.id'}, + $cdom,$cnum) eq 'ok') { + my %likes=&Apache::lonnet::dump('disclikes',$cdom,$cnum,'^'.$symb.':'); + my @ids = split(/\.\./,$contrib{'deleted'}); + my (%chglikes,%chgunlikes); + foreach my $idx (@ids) { + my $uname = $contrib{$idx.':sendername'}; + my $udom = $contrib{$idx.':senderdomain'}; + my ($totallikes,$totalunlikes); + if (ref($likes{$symb.':'.$idx.':likers'}) eq 'HASH') { + $totallikes = scalar(keys(%{$likes{$symb.':'.$idx.':likers'}})); + } + if (ref($likes{$symb.':'.$idx.':unlikers'}) eq 'HASH') { + $totalunlikes = scalar(keys(%{$likes{$symb.':'.$idx.':unlikers'}})); + } + if ($totallikes || $totalunlikes) { + $chglikes{$uname.':'.$udom} += $totallikes; + $chgunlikes{$uname.':'.$udom} += $totalunlikes; + } + } + foreach my $user (keys(%chglikes)) { + my ($uname,$udom) = split(/:/,$user); + &storediscussionlikes($chglikes{$user},$chgunlikes{$user}, + $uname,$udom,$env{'request.course.id'}, + 'undelete'); + } + $r->print(&Apache::lonhtmlcommon::confirm_success(&mt("Undeleted all entries"))); + } else { + $r->print(&Apache::lonhtmlcommon::confirm_success(&mt("Failed to undelete entries"),1)); + } + } else { + $r->print(&Apache::lonhtmlcommon::confirm_success(&mt("No entries to undelete"),1)); + } + $r->print("
".&mt("Return and reload").""); + } + $r->print(&Apache::loncommon::end_page()); + return OK; } else { # ------------------------------------------------------------- Normal feedback my $feedurl=$env{'form.postdata'}; @@ -4086,7 +4405,7 @@ ENDREDIR } elsif ($env{'form.editdisc'}) { $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; } elsif ($env{'form.origpage'}) { - $symb=""; + $symb=""; } else { $symb=&Apache::lonnet::symbread($feedurl); } @@ -4200,6 +4519,7 @@ ENDREDIR $override = 1; } my $message=&clear_out_html($env{'form.comment'},$override); + # Assemble email my ($email,$citations)=&assemble_email($message,$prevattempts, @@ -4265,6 +4585,7 @@ sub wrap_symb { } return $ressymb; } + sub dewrapper { my ($feedurl)=@_; if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { @@ -4418,8 +4739,16 @@ None =item discussion_visible() +=item discussion_vote_available() + +=item get_realsymb() + =item list_discussion() +=item can_see_hidden() + +=item discussion_link() + =item send_feedback_link() =item send_message_link()