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Diff for /loncom/interface/lonfeedback.pm between versions 1.255.2.8 and 1.365

version 1.255.2.8, 2009/03/18 02:53:49	version 1.365, 2013/03/18 23:21:16
Line 41 use Apache::lonnavmaps;	Line 41 use Apache::lonnavmaps;
use Apache::lonenc();	use Apache::lonenc();
use Apache::lonrss();	use Apache::lonrss();
use HTML::LCParser();	use HTML::LCParser();
	#use HTML::Tidy::libXML;
use Apache::lonspeller();	use Apache::lonspeller();
use Apache::longroup;	use Apache::longroup;
use Cwd;	use Cwd;
Line 48 use LONCAPA;	Line 49 use LONCAPA;

sub discussion_open {	sub discussion_open {
my ($status,$symb)=@_;	my ($status,$symb)=@_;
	# Advanced roles can always discuss
if ($env{'request.role.adv'}) { return 1; }	if ($env{'request.role.adv'}) { return 1; }
	# Get discussion closing date
	my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
	# If it is defined and in the future, the instructor wants this discussion to be open
	if (defined($close) && $close ne '' && $close > time) {
	return 1;
	}
	# It was not explicitly open, check if the problem is available.
	# If the problem is not available, close the discussion
if (defined($status) &&	if (defined($status) &&
!($status eq 'CAN_ANSWER' \|\| $status eq 'CANNOT_ANSWER'	!($status eq 'CAN_ANSWER' \|\| $status eq 'CANNOT_ANSWER'
\|\| $status eq 'OPEN')) {	\|\| $status eq 'OPEN')) {
return 0;	return 0;
}	}
my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);	# The problem is available, but check if the instructor explictly closed discussion
if (defined($close) && $close ne '' && $close < time) {	if (defined($close) && $close ne '' && $close < time) {
return 0;	return 0;
}	}
Line 72 sub discussion_visible {	Line 82 sub discussion_visible {
return 1;	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 {	sub list_discussion {
my ($mode,$status,$ressymb,$imsextras,$group)=@_;	my ($mode,$status,$ressymb,$imsextras,$group)=@_;
unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }	unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
Line 91 sub list_discussion {	Line 121 sub list_discussion {
if (not &discussion_visible($status)) {	if (not &discussion_visible($status)) {
if ($mode ne 'board') {	if ($mode ne 'board') {
&Apache::lonenc::check_encrypt(\$ressymb);	&Apache::lonenc::check_encrypt(\$ressymb);
return '<br />'.&send_message_link($ressymb);	return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
}	}
}	}
if ($group ne '' && $mode eq 'board') {	if ($group ne '' && $mode eq 'board') {
Line 103 sub list_discussion {	Line 133 sub list_discussion {
my ($blocked,$blocktext) =	my ($blocked,$blocktext) =
&Apache::loncommon::blocking_status('boards');	&Apache::loncommon::blocking_status('boards');
if ($blocked) {	if ($blocked) {
	$blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
&Apache::lonenc::check_encrypt(\$ressymb);	&Apache::lonenc::check_encrypt(\$ressymb);
if ($mode ne 'board') {	if ($mode ne 'board') {
$blocktext.='<br />'.&send_message_link($ressymb);	$blocktext.=&send_message_link($ressymb).'</div>';
	}else{
	$blocktext.="</div>";
}	}
return $blocktext;	return $blocktext;
}	}

my @bgcols = ("#cccccc","#eeeeee");	my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
my $discussiononly=0;	my $discussiononly=0;
if ($mode eq 'board') { $discussiononly=1; }	if ($mode eq 'board') { $discussiononly=1; }
unless ($env{'request.course.id'}) { return ''; }	unless ($env{'request.course.id'}) { return ''; }
Line 122 sub list_discussion {	Line 155 sub list_discussion {
$crs=~s/\_/\//g;	$crs=~s/\_/\//g;
my $encsymb=&Apache::lonenc::check_encrypt($ressymb);	my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)	my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
&& ($ressymb=~/\.(problem\|exam\|quiz\|assess\|survey\|form\|task)$/));	&& ($ressymb=~/$LONCAPA::assess_re/));

my %usernamesort = ();	my %usernamesort = ();
my %namesort =();	my %namesort =();
Line 169 sub list_discussion {	Line 202 sub list_discussion {

my $cdom = $env{'course.'.$cid.'.domain'};	my $cdom = $env{'course.'.$cid.'.domain'};
my $cnum = $env{'course.'.$cid.'.num'};	my $cnum = $env{'course.'.$cid.'.num'};
	my $crstype = &Apache::loncommon::course_type();

# Get information about students and non-students in course for filtering display of posts	# Get information about students and non-students in course for filtering display of posts
my %roleshash = ();	my %roleshash = ();
Line 243 sub list_discussion {	Line 277 sub list_discussion {
$visit ++;	$visit ++;

my $seeid;	my $seeid;
if (($group ne '') && ($mode eq 'board') &&	if (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
($ressymb =~ m\|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$\|)) {	$seeid = 1;
if (&check_group_priv($group,'dgp') eq 'ok') {
$seeid = 1;
}
} else {
$seeid=&Apache::lonnet::allowed('rin',$crs);
}	}
	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 @discussionitems=();
my %shown = ();	my %shown = ();
my @posteridentity=();	my @posteridentity=();
Line 267 sub list_discussion {	Line 302 sub list_discussion {
my $maxdepth=0;	my $maxdepth=0;
my %anonhash=();	my %anonhash=();
my $anoncnt=0;	my $anoncnt=0;
my $target='';
unless ($env{'browser.interface'} eq 'textual' \|\|
$env{'environment.remote'} eq 'off' ) {
$target='target="LONcom"';
}

my $now = time;	my $now = time;
$discinfo{$visitkey} = $visit;	$discinfo{$visitkey} = $visit;

&Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});	&Apache::lonnet::put('nohist_'.$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,$encsymb,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group);

my $discussion='';	my $discussion='';
my $manifestfile;	my $manifestfile;
Line 287 sub list_discussion {	Line 317 sub list_discussion {
my $copyresult;	my $copyresult;

my $function = &Apache::loncommon::get_users_function();	my $function = &Apache::loncommon::get_users_function();
my $color = &Apache::loncommon::designparm($function.'.tabbg',
$env{'user.domain'});
my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'cuse' => 'Current discussion settings',	'cuse' => 'My settings for this discussion',
'allposts' => 'All posts',	'allposts' => 'All posts',
'unread' => 'New posts only',	'unread' => 'New posts only',
'unmark' => 'Unread only',	'unmark' => 'Unread only',
Line 312 sub list_discussion {	Line 340 sub list_discussion {
'dpwn' => 'Deleted posts will no longer be visible to you and other students',	'dpwn' => 'Deleted posts will no longer be visible to you and other students',
'bwco' => 'but will continue to be visible to your instructor',	'bwco' => 'but will continue to be visible to your instructor',
'depo' => 'Deleted posts will no longer be visible to you or anyone else.',	'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
	'discussions' => 'DISCUSSIONS'
);	);

my $currdisp = $lt{'allposts'};	my $currdisp = $lt{'allposts'};
Line 352 sub list_discussion {	Line 381 sub list_discussion {
$togglink = 'toggoff';	$togglink = 'toggoff';
}	}

$chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;	$chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;

if ($newpostsflag) {	if ($newpostsflag) {
$chglink .= '&previous='.$prevread;	$chglink .= '&previous='.$prevread;
}	}
$chglink.=&group_args($group);	$chglink.=&group_args($group);

Line 363 sub list_discussion {	Line 392 sub list_discussion {
# Print the discusssion	# Print the discusssion
if ($outputtarget eq 'tex') {	if ($outputtarget eq 'tex') {
$discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.	$discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
'\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.	'\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'.
'\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
'\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.	'\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
'\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';	'\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
} elsif ($outputtarget eq 'export') {	} elsif ($outputtarget eq 'export') {
Line 398 sub list_discussion {	Line 426 sub list_discussion {
my $manifestfilename = $tempexport.$manifest;	my $manifestfilename = $tempexport.$manifest;
if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {	if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
$manifestok=1;	$manifestok=1;
print $manifestfile qq\|	print $manifestfile qq\|<?xml version="1.0" encoding="UTF-8"?>
<?xml version="1.0" encoding="UTF-8"?>
<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"	<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1	identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
Line 412 imscp_v1p1.xsd http://www.imsglobal.org/	Line 439 imscp_v1p1.xsd http://www.imsglobal.org/
}	}
} else {	} else {
my $colspan=$maxdepth+1;	my $colspan=$maxdepth+1;
$discussion.= qq\|	$discussion.= &Apache::lonhtmlcommon::scripttag(qq\|
<script>
function verifydelete (caller,symb,idx,newflag,previous,groupparm) {	function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
var symbparm = symb+':::'+idx	var symbparm = symb+':::'+idx
var prevparm = ""	var prevparm = ""
if (newflag == 1) {	if (newflag == 1) {
prevparm = "&previous="+previous	prevparm = "&previous="+previous
}	}
if (caller == 'studentdelete') {	if (caller == 'studentdelete') {
if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {	if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
Line 432 imscp_v1p1.xsd http://www.imsglobal.org/	Line 458 imscp_v1p1.xsd http://www.imsglobal.org/
}	}
}	}
}	}
</script>	\|);
\|;	$discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
$discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';	"\n".'<table width="100%" class="LC_discussion">';
$discussion .= &action_links_bar($colspan,$ressymb,$visible,	$discussion .= &action_links_bar($colspan,$ressymb,$visible,
$newpostsflag,$group,	$newpostsflag,$group,
$prevread,$markondisp);	$prevread,$markondisp,$seehidden);
my $escsymb=&escape($ressymb);	my $escsymb=&escape($ressymb);
my $numhidden = keys(%notshown);	my $numhidden = keys(%notshown);
if ($numhidden > 0) {	if ($numhidden > 0) {
Line 445 imscp_v1p1.xsd http://www.imsglobal.org/	Line 471 imscp_v1p1.xsd http://www.imsglobal.org/
$discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.	$discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
'<a href="/adm/feedback?allposts=1&symb='.$escsymb;	'<a href="/adm/feedback?allposts=1&symb='.$escsymb;
if ($newpostsflag) {	if ($newpostsflag) {
$discussion .= '&previous='.$prevread;	$discussion .= '&previous='.$prevread;
}	}
$discussion .= &group_args($group);	$discussion .= &group_args($group);
$discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.	$discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
Line 487 imscp_v1p1.xsd http://www.imsglobal.org/	Line 513 imscp_v1p1.xsd http://www.imsglobal.org/
my $currdepth = 0;	my $currdepth = 0;
my $firstidx = $alldiscussion{$showposts[0]};	my $firstidx = $alldiscussion{$showposts[0]};
foreach my $post (@showposts) {	foreach my $post (@showposts) {
unless (($sortposts eq 'thread') \|\| (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) \|\| ($outputtarget eq 'export')) {	unless (($sortposts eq 'thread') \|\|
	(($sortposts eq '') && (!$env{'environment.unthreadeddiscussion'})) \|\|
	($outputtarget eq 'export')) {
$alldiscussion{$post} = $post;	$alldiscussion{$post} = $post;
}	}
unless ( ($notshown{$alldiscussion{$post}} eq '1') \|\| ($shown{$alldiscussion{$post}} == 0) ) {	unless ( ($notshown{$alldiscussion{$post}} eq '1') \|\| ($shown{$alldiscussion{$post}} == 0) ) {
Line 497 imscp_v1p1.xsd http://www.imsglobal.org/	Line 525 imscp_v1p1.xsd http://www.imsglobal.org/
my $thisdepth=$depth[$alldiscussion{$post}];	my $thisdepth=$depth[$alldiscussion{$post}];
if ($outputtarget ne 'tex' && $outputtarget ne 'export') {	if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
for (1..$thisdepth) {	for (1..$thisdepth) {
$discussion.='<td>   </td>';	$discussion.='<td>    </td>';
}	}
}	}
my $colspan=$maxdepth-$thisdepth+1;	my $colspan=$maxdepth-$thisdepth+1;
Line 510 imscp_v1p1.xsd http://www.imsglobal.org/	Line 538 imscp_v1p1.xsd http://www.imsglobal.org/
$threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';	$threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
}	}
$discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;	$discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
$discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit\|Hide\|Delete\|Reply\|Submissions)<\/a>//g;
$discussionitems[$alldiscussion{$post}]=~s/(<b>\|<\/b>\|<\/a>\|<a([^>]+)>)//g;	$discussionitems[$alldiscussion{$post}]=~s/(<b>\|<\/b>\|<\/a>\|<a([^>]+)>)//g;

$discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];	$discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
Line 525 imscp_v1p1.xsd http://www.imsglobal.org/	Line 552 imscp_v1p1.xsd http://www.imsglobal.org/
print $manifestfile "\n".	print $manifestfile "\n".
'<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.	'<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
$imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.	$imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
'<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title>';	'<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
$imsresources .= "\n".	$imsresources .= "\n".
'<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".	'<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
'<file href="'.$postfilename.'">'."\n".	'<file href="'.$postfilename.'">'."\n".
$imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}."\n".	$imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
'</resource>';	'</resource>';
}	}
my $postingfile;	my $postingfile;
Line 547 imscp_v1p1.xsd http://www.imsglobal.org/	Line 574 imscp_v1p1.xsd http://www.imsglobal.org/
}	}
$copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);	$copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
} else {	} else {
$discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$post}}].	$discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
'" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].	'" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
'</td></tr>';	'</td></tr>';
}	}
Line 556 imscp_v1p1.xsd http://www.imsglobal.org/	Line 583 imscp_v1p1.xsd http://www.imsglobal.org/
unless ($outputtarget eq 'tex' \|\| $outputtarget eq 'export') {	unless ($outputtarget eq 'tex' \|\| $outputtarget eq 'export') {
my $colspan=$maxdepth+1;	my $colspan=$maxdepth+1;
$discussion .= <<END;	$discussion .= <<END;
<tr bgcolor="#FFFFFF">	<tr>
<td colspan="$colspan" valign="top">	<td colspan="$colspan">
<table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">	<table width="100%">
<tr>	<tr>
<td align="left">	<td class="LC_disc_action_left">
<table border="0" cellpadding="0" cellspacing="4">	<font size="-1"><b>$lt{'cuse'}</b>:
<tr>
<td>
<font size="-1"><b>$lt{'cuse'}</b>:</td>
<td> </td>
<td><font size="-1">
END	END
if ($newpostsflag) {	if ($newpostsflag) {
$discussion .=	$discussion .=
Line 583 END	Line 605 END
}	}
}	}
$discussion .= <<END;	$discussion .= <<END;
</font></td>	<b><a href="$chglink">$lt{'chgt'}</a></b></font>
<td> </td>
<td align="left">
<font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b>
</td>
</tr>
</table>
</td>	</td>
END	END
if ($sortposts) {	if ($sortposts) {
my %sort_types = ();	my %sort_types = ();
my %role_types = ();	my %role_types = ();
my %status_types = ();	my %status_types = ();
&sort_filter_names(\%sort_types,\%role_types,\%status_types);	&sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);

$discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';	$discussion .= '<td class="LC_disc_action_right"><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
if (defined($env{'form.totposters'})) {	if (defined($env{'form.totposters'})) {
$discussion .= &mt('Posts by').':';	$discussion .= &mt('Posts by').':';
if ($totposters > 0) {	if ($totposters > 0) {
Line 633 END	Line 649 END
if ($filterchoice) {	if ($filterchoice) {
$discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;	$discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
}	}
$discussion .= '</font></td>';
}	}
	$discussion .= '</font></td>';

}	}
if ($dischash{$toggkey}) {	if ($dischash{$toggkey}) {
my $storebutton = &mt('Save read/unread changes');	my $storebutton = &mt('Save read/unread changes');
$discussion.='<td align="right">'.	$discussion.='<td align="right">'.
'<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n".	'<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
'<input type="button" name="readoptions" value="'.$storebutton.'"'.	'<input type="button" name="readoptions" value="'.$storebutton.'"'.
' onClick="this.form.submit();">'."\n".	' onclick="this.form.submit();" />'."\n".
'</td>';	'</td>';
}	}
$discussion .= (<<END);	$discussion .= (<<END);
Line 652 END	Line 669 END
END	END
$discussion .= &action_links_bar($colspan,$ressymb,$visible,	$discussion .= &action_links_bar($colspan,$ressymb,$visible,
$newpostsflag,$group,	$newpostsflag,$group,
$prevread,$markondisp);	$prevread,$markondisp,$seehidden);
$discussion .= "	$discussion .= "</table></form>\n";
</table>
<br /><br /></form>\n";
}	}
if ($outputtarget eq 'export') {	if ($outputtarget eq 'export') {
if ($manifestok) {	if ($manifestok) {
Line 715 END	Line 730 END
$attachnum += @{$currnewattach};	$attachnum += @{$currnewattach};
}	}
}	}
if (&discussion_open($status)) {	if ((&discussion_open($status)) && ($outputtarget ne 'tex')) {
if (($group ne '') && ($mode eq 'board')) {	if (($group ne '') && ($mode eq 'board')) {
if (&check_group_priv($group,'pgd') eq 'ok') {	if ((&check_group_priv($group,'pgd') eq 'ok') &&
	($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) {
$discussion .=	$discussion .=
&postingform_display($mode,$ressymb,$now,$subject,	&postingform_display($mode,$ressymb,$now,$subject,
$comment,$outputtarget,$attachnum,	$comment,$outputtarget,$attachnum,
$currnewattach,$currdelold,	$currnewattach,$currdelold,
$group);	$group,$crstype);
}	}
} else {	} else {
$discussion.=	if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}.
&postingform_display($mode,$ressymb,$now,$subject,	($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
$comment,$outputtarget,$attachnum,
$currnewattach,$currdelold);	$discussion.=
	&postingform_display($mode,$ressymb,$now,$subject,
	$comment,$outputtarget,$attachnum,
	$currnewattach,$currdelold,'',$crstype);
	} else {
	$discussion.= '<span class="LC_feedback_link">'.
	&mt('This discussion is closed.').'</span>';
	}
}	}
}	}
} else {	if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) {
	$discussion.= '<span class="LC_feedback_link">'.
	&mt('This discussion is closed.').'</span>';
	}
	} elsif ($outputtarget ne 'tex') {
$discussion.='<div class="LC_feedback_link">';	$discussion.='<div class="LC_feedback_link">';
if (&discussion_open($status) &&	if (&discussion_open($status) &&
&Apache::lonnet::allowed('pch',	&Apache::lonnet::allowed('pch',
$env{'request.course.id'}.	$env{'request.course.id'}.
($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {	($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
if ($outputtarget ne 'tex') {	$discussion.= &send_feedback_link($ressymb);
$discussion.= &send_feedback_link($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 '' && $close < time) {
	if ($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 {
if ($outputtarget ne 'tex') {	$discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>';
$discussion.= &send_message_link($ressymb);
}	}
$discussion.='</div>';	$discussion.= &send_message_link($ressymb).'</div>';
}	}
return $discussion;	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 $link='/adm/feedback?inhibitmenu=yes&modal=yes&'.$cmd.'='.&escape($ressymb).':::'.$item;
	if ($flag) { $link .= '&previous='.$prev; }
	if ($adds) { $link .= $adds; }
	my $width=600;
	my $height=600;
	if (($cmd eq 'hide') \|\| ($cmd eq 'unhide') \|\| ($cmd eq 'like') \|\| ($cmd eq 'unlike')) {
	$width=300;
	$height=200;
	}
	return &Apache::loncommon::modal_link($link,$linktext,$width,$height,undef,undef,$title);
	}


sub send_feedback_link {	sub send_feedback_link {
my ($ressymb,$target) = @_;	my ($ressymb) = @_;
my $output = '<span class="LC_feedback_link">'.	return '<span class="LC_feedback_link">'.
' <a href="/adm/feedback?replydisc='.	&discussion_link($ressymb,
&escape($ressymb).':::" '.$target.'>'.	'<img alt="" class="LC_noBorder" src="'.
'<img alt="" src="'.	&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').	'" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span>',
'" border="0" />'.&mt('Post Discussion').'</a></span>';	'replydisc').
return $output;	'</span>';
}	}

sub send_message_link {	sub send_message_link {
my ($ressymb) = @_;	my ($ressymb) = @_;
my $output = '<span class="LC_message_link">'.	my $output = '<span class="LC_message_link">'.
' <a href="/adm/feedback?sendmessageonly=1&symb='.	&discussion_link($ressymb,
&escape($ressymb).'"><img alt="" src="'.	'<img alt="" class="LC_noBorder" src="'.
&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').	&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').
'" border="0" />'.&mt('Send Message').'</a></span>';	'" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span>',
	'sendmessageonly').
	'</span>';
return $output;	return $output;
}	}

sub action_links_bar {	sub action_links_bar {
my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;	my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp,
my $discussion = '<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.	$seehidden) = @_;
'<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';	my $discussion = '<tr><td colspan="'.$colspan.'">'.
	'<table width="100%"><tr>'.
	'<td class="LC_disc_action_left">';
my $escsymb=&escape($ressymb);	my $escsymb=&escape($ressymb);
if ($visible>2) {	if ($visible) {
$discussion .= '<td align="left">'.	$discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
'<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
if ($newpostsflag) {	if ($newpostsflag) {
$discussion .= '&previous='.$prevread;	$discussion .= '&previous='.$prevread;
}	}
$discussion .= &group_args($group);	$discussion .= &group_args($group);
$discussion .='">'.&mt('Threaded View').'</a>  '.	$discussion .='">'.&mt('Threaded View').'</a>  '.
'<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;	'<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
if ($newpostsflag) {	if ($newpostsflag) {
$discussion .= '&previous='.$prevread;	$discussion .= '&previous='.$prevread;
}	}
$discussion .= &group_args($group);	$discussion .= &group_args($group);
$discussion .='">'.&mt('Chronological View').'</a>	$discussion .='">'.&mt('Chronological View').'</a>  ';
<a href= "/adm/feedback?cmd=sortfilter&symb='.$escsymb;
	my $otherviewurl='/adm/feedback?cmd=sortfilter&symb='.$escsymb.'&inhibitmenu=yes&modal=yes';
if ($newpostsflag) {	if ($newpostsflag) {
$discussion .= '&previous='.$prevread;	$otherviewurl .= '&previous='.$prevread;
}	}
$discussion .= &group_args($group);	$otherviewurl .= &group_args($group);
$discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2);	$discussion .= &Apache::loncommon::modal_link($otherviewurl,&mt('Other Views ...'),800,340);
} else {	$discussion .= '<br />';
$discussion .= '<td align="left">';
}	}
$discussion .='<a href= "/adm/feedback?export='.$escsymb;	$discussion .='<a href="/adm/feedback?export='.$escsymb;
if ($newpostsflag) {	if ($newpostsflag) {
$discussion .= '&previous='.$prevread;	$discussion .= '&previous='.$prevread;
}	}
$discussion .= &group_args($group);	$discussion .= &group_args($group);
$discussion .= '">'.&mt('Export').'?</a>  </td>';	$discussion .= '">'.&mt('Export').'</a>';
	if ($seehidden) {
	$discussion .= '  ';
	$discussion .='<a href="/adm/feedback?undeleteall='.$escsymb;
	if ($newpostsflag) {
	$discussion .= '&previous='.$prevread;
	}
	$discussion .= &group_args($group);
	$discussion .= '">'.&mt('Undelete all deleted entries').'</a>';
	}
	$discussion.='</td>';
if ($newpostsflag) {	if ($newpostsflag) {
if (!$markondisp) {	if (!$markondisp) {
$discussion .='<td align="right"><a href="/adm/preferences?action=changediscussions';	$discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
$discussion .= &group_args($group);	$discussion .= &group_args($group);
$discussion .= '">'.	$discussion .= '">'.
&mt('Preferences on what is marked as NEW').	&mt('My general preferences on what is marked as NEW').
'</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;	'</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
$discussion .= &group_args($group);	$discussion .= &group_args($group);
$discussion .= '">'.&mt('Mark NEW posts no longer new').'</a>';	$discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
} else {	} else {
$discussion .= '<td> </td>';	$discussion .= '<td> </td>';
}	}
Line 825 sub action_links_bar {	Line 923 sub action_links_bar {

sub postingform_display {	sub postingform_display {
my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,	my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
$currnewattach,$currdelold,$group) = @_;	$currnewattach,$currdelold,$group,$crstype) = @_;
my $newattachmsg;	my $newattachmsg;
my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',	'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
Line 834 sub postingform_display {	Line 932 sub postingform_display {
'poan' => 'Post Anonymous Discussion',	'poan' => 'Post Anonymous Discussion',
'newa' => 'New attachments',	'newa' => 'New attachments',
);	);
my $postingform = (<<ENDDISCUSS);	if ($crstype eq 'Community') {
	$lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
	}
	my ($postingform,$textareaclass);
	if (&Apache::lonhtmlcommon::htmlareabrowser()) {
	$postingform = &Apache::lonhtmlcommon::htmlareaselectactive();
	$textareaclass = 'class="LC_richDefaultOff"';
	if ($env{'request.course.id'}) {
	unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\syes\s$/i) \|\| ($env{'form.sendmessageonly'})) {
	undef($textareaclass);
	}
	}
	}
	$postingform .= (<<ENDDISCUSS);
<form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />	<form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
<input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />	<input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
<input type="hidden" name="sendit" value="true" />	<input type="hidden" name="sendit" value="true" />
<input type="hidden" name="timestamp" value="$now" />	<input type="hidden" name="timestamp" value="$now" />
<br /><a name="newpost"></a>	<a name="newpost"></a>
<font size="1">$lt{'note'}</font><br />	<font size="1">$lt{'note'}</font><br />
<b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />	<b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br />
<textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>	<textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea>
ENDDISCUSS	ENDDISCUSS
if ($env{'form.origpage'}) {	if ($env{'form.origpage'}) {
$postingform .= '<input type="hidden" name="origpage" value="'.	$postingform .= '<input type="hidden" name="origpage" value="'.
Line 861 ENDDISCUSS	Line 972 ENDDISCUSS
}	}
my $blockblog = &Apache::loncommon::blocking_status('blogs');	my $blockblog = &Apache::loncommon::blocking_status('blogs');
if (!$blockblog) {	if (!$blockblog) {
$postingform .= &add_blog_checkbox();	$postingform .= &add_blog_checkbox($crstype);
}	}
$postingform .= "</form>\n";	$postingform .= "</form>\n";
if ($outputtarget ne 'tex') {	$postingform .= &generate_attachments_button('',$attachnum,$ressymb,
$postingform .= &generate_attachments_button('',$attachnum,$ressymb,
$now,$currnewattach,	$now,$currnewattach,
$currdelold,'',$mode,	$currdelold,'',$mode,
$blockblog);	$blockblog);
if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {	if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
$newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';	$newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
if (@{$currnewattach} > 1) {	if (@{$currnewattach} > 1) {
$newattachmsg .= '<ol>';	$newattachmsg .= '<ol>';
foreach my $item (@{$currnewattach}) {	foreach my $item (@{$currnewattach}) {
$item =~ m#.*/([^/]+)$#;	$item =~ m#.*/([^/]+)$#;
$newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";	$newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
}	}
$newattachmsg .= '</ol>'."\n";	$newattachmsg .= '</ol>'."\n";
} else {	} else {
$$currnewattach[0] =~ m#.*/([^/]+)$#;	$$currnewattach[0] =~ m#.*/([^/]+)$#;
$newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";	$newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
}	}
}
$postingform .= $newattachmsg;
$postingform .= &generate_preview_button();
}	}
	$postingform .= $newattachmsg;
	$postingform .= &generate_preview_button();
return $postingform;	return $postingform;
}	}

sub build_posting_display {	sub build_posting_display {
my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;	my ($usernamesort,$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,$ressymb,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
my @original=();	my @original=();
my @index=();	my @index=();
my $skip_group_check = 0;	my $skip_group_check = 0;
my $symb=&Apache::lonenc::check_decrypt($ressymb);	my $symb=&Apache::lonenc::check_decrypt($ressymb);
my $escsymb=&escape($ressymb);	my $escsymb=&escape($ressymb);
	# These are the discussion contributions
my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},	my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
$env{'course.'.$env{'request.course.id'}.'.domain'},	$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.num'});
	my (%likes,%userlikes,%userunlikes,@theselikes,$oneplus,$twoplus,$oneminus,$twominus);
	my $thisuser=$env{'user.name'}.':'.$env{'user.domain'};
	if ($seeid \|\| $canvote) {
	# And these are the likes/unlikes
	%likes=&Apache::lonnet::dump('disclikes',
	$env{'course.'.$env{'request.course.id'}.'.domain'},
	$env{'course.'.$env{'request.course.id'}.'.num'},
	'^'.$symb.':');
	# Array with likes to figure out averages, etc.
	@theselikes=();
	# Hashes containing likes and unlikes for this user.
	%userlikes=();
	%userunlikes=();
	}
	# Is the user allowed to see the real name behind anonymous postings?
my $see_anonymous =	my $see_anonymous =
&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));	&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));

if ((@{$grouppick} == 0) \|\| (grep(/^all$/,@{$grouppick}))) {	if ((@{$grouppick} == 0) \|\| (grep(/^all$/,@{$grouppick}))) {
$skip_group_check = 1;	$skip_group_check = 1;
}	}
	# Deletions and hiddens are just lists. Split them up into a hash for quicker lookup
	my (%deletions,%hiddens);
	if ($contrib{'deleted'}) {
	my $deleted = $contrib{'deleted'};
	$deleted =~ s/^\.//;
	$deleted =~ s/\.$//;
	%deletions = map { $_ => 1 } (split(/\.\./,$deleted));
	}
	if ($contrib{'hidden'}) {
	my $hidden = $contrib{'hidden'};
	$hidden =~ s/^\.//;
	$hidden =~ s/\.$//;
	%hiddens = map { $_ => 1 } (split(/\.\./,$hidden));
	}
	# Versions if store/restore are used to actually store the messages.
if ($contrib{'version'}) {	if ($contrib{'version'}) {
my $oldest = $contrib{'1:timestamp'};	my $oldest = $contrib{'1:timestamp'};
if ($prevread eq '0') {	if ($prevread eq '0') {
Line 916 sub build_posting_display {	Line 1055 sub build_posting_display {
($skiptest,$roleregexp,$secregexp,$statusregexp) =	($skiptest,$roleregexp,$secregexp,$statusregexp) =
&filter_regexp($rolefilter,$sectionpick,$statusfilter);	&filter_regexp($rolefilter,$sectionpick,$statusfilter);
$rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;	$rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
}	}
	my %votestyle;
	if ($seeid \|\| $canvote) {
	# We need to go through this twice, first to get the likes/dislikes, then to actually build the display
	for (my $id=1;$id<=$contrib{'version'};$id++) {
	my $idx=$id;
	next if ($contrib{$idx.':deleted'});
	next if ($contrib{$idx.':hidden'});
	unless ((($hiddens{$idx}) && (!$seehidden)) \|\| ($deletions{$idx}) \|\| (!$contrib{$idx.':message'})) {
	push(@theselikes,$likes{$symb.':'.$idx.':likes'});
	if ($likes{$symb.':'.$idx.':likes'} ne '') {
	if (ref($likes{$symb.':'.$idx.':likers'}) eq 'HASH') {
	if (exists($likes{$symb.':'.$idx.':likers'}{$thisuser})) {
	$userlikes{$idx} = 1;
	}
	}
	if (ref($likes{$symb.':'.$idx.':unlikers'}) eq 'HASH') {
	if (exists($likes{$symb.':'.$idx.':unlikers'}{$thisuser})) {
	$userunlikes{$idx} = 1;
	}
	}
	}
	}
	}
	# Figure out average likes and standard deviation if there are enough
	# discussions to warrant that
	my $ave=0;
	my $stddev=10000;
	if ($#theselikes>1) {
	my $sum=0;
	my $num=$#theselikes+1;
	foreach my $thislike (@theselikes) {
	$sum+=$thislike;
	}
	$ave=$sum/$num;
	my $sumsq=0;
	foreach my $thislike (@theselikes) {
	$sumsq+=($thislike-$ave)*($thislike-$ave);
	}
	$stddev=sqrt($sumsq/$num);
	}
	# Now we know the average likes $ave and the standard deviation $stddev
	# Get the boundaries for markup
	$oneplus=$ave+$stddev;
	$twoplus=$ave+2.*$stddev;
	$oneminus=$ave-$stddev;
	$twominus=$ave-2.*$stddev;
	if ($#theselikes>1) {
	foreach my $class ('twoplus','oneplus','zero','oneminus','twominus') {
	my $fontstyle = $env{'course.'.$env{'request.course.id'}.'.discussion_post_fonts_'.$class};
	if ($fontstyle ne '') {
	my ($size,$weight,$style,$other) = split(/,/,$fontstyle);
	if ($size ne '') {
	$votestyle{$class} .= 'font-size: '.$size.';';
	}
	if ($weight ne '') {
	$votestyle{$class} .= 'font-weight: '.$weight.';';
	}
	if ($style ne '') {
	$votestyle{$class} .= 'font-style: '.$style.';';
	}
	if ($other ne '') {
	$votestyle{$class} .= $other;
	}
	if ($votestyle{$class} ne '') {
	$votestyle{$class} = 'style="'.$votestyle{$class}.'"';
	}
	}
	}
	}
	}
	#
	# This is now the real loop. Go through all entries, pick up what we need
	#
for (my $id=1;$id<=$contrib{'version'};$id++) {	for (my $id=1;$id<=$contrib{'version'};$id++) {
my $idx=$id;	my $idx=$id;
	next if ($contrib{$idx.':deleted'});
	next if ($contrib{$idx.':hidden'});
	# If we get here, we are actually going to display the message - we don't know where and we don't know if we display
	# previous edits, but it counts as one entry
my $posttime = $contrib{$idx.':timestamp'};	my $posttime = $contrib{$idx.':timestamp'};
if ($prevread <= $posttime) {	if ($prevread <= $posttime) {
$$newpostsflag = 1;	$$newpostsflag = 1;
}	}
my $hidden=($contrib{'hidden'}=~/\.$idx\./);
my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);	my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
my $deleted=($contrib{'deleted'}=~/\.$idx\./);
my $origindex='0.';	my $origindex='0.';
my $numoldver=0;	my $numoldver=0;
if ($contrib{$idx.':replyto'}) {	if ($contrib{$idx.':replyto'}) {
if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) \|\| ($sortposts eq 'thread') \|\| ($outputtarget eq 'export')) {	if ( ((!$env{'environment.unthreadeddiscussion'}) && ($sortposts eq '')) \|\|
	($sortposts eq 'thread') \|\| ($outputtarget eq 'export')) {
# this is a follow-up message	# this is a follow-up message
$original[$idx]=$original[$contrib{$idx.':replyto'}];	$original[$idx]=$original[$contrib{$idx.':replyto'}];
$$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;	$$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
Line 949 sub build_posting_display {	Line 1164 sub build_posting_display {
} else {	} else {
$$replies[$$depth[$idx]]=1;	$$replies[$$depth[$idx]]=1;
}	}
unless ((($hidden) && (!$seeid)) \|\| ($deleted)) {	unless ((($hiddens{$idx}) && (!$seehidden)) \|\| ($deletions{$idx})) {
$$visible++;	$$visible++;
if ($contrib{$idx.':history'}) {	if ($contrib{$idx.':history'}) {
if ($contrib{$idx.':history'} =~ /:/) {	if ($contrib{$idx.':history'} =~ /:/) {
Line 964 sub build_posting_display {	Line 1179 sub build_posting_display {
my %subjects = ();	my %subjects = ();
my %attachtxt = ();	my %attachtxt = ();
my %allattachments = ();	my %allattachments = ();
my ($screenname,$plainname);	my ($screenname,$plainname,$showaboutme);
my $sender = &mt('Anonymous');	my $sender = &mt('Anonymous');
# Anonymous users getting number within a discussion	# Anonymous users getting number within a discussion
# Since idx is in static order, this should give the same sequence every time.	# Since idx is in static order, this should give the same sequence every time.
Line 974 sub build_posting_display {	Line 1189 sub build_posting_display {
$$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;	$$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
}	}
my ($message,$subject,$vgrlink,$ctlink);	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,$seeid,$seehidden,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,\$showaboutme,$numoldver);


# Set up for sorting by subject	# Set up for sorting by subject
Line 983 sub build_posting_display {	Line 1198 sub build_posting_display {
$message.=$attachtxt{$numoldver};	$message.=$attachtxt{$numoldver};
$subject=$subjects{$numoldver};	$subject=$subjects{$numoldver};
if ($message) {	if ($message) {
if ($hidden) {	if ($hiddens{$idx}) {
$message='<font color="#888888">'.$message.'</font>';	$message='<font color="#888888">'.$message.'</font>';
if ($studenthidden) {	if ($studenthidden) {
$message .='<br /><br />Deleted by poster (student).';	$message .='<br /><br />Deleted by poster (student).';
Line 1004 sub build_posting_display {	Line 1219 sub build_posting_display {
}	}
}	}
if (!$contrib{$idx.':anonymous'} \|\| $see_anonymous) {	if (!$contrib{$idx.':anonymous'} \|\| $see_anonymous) {
$sender=&Apache::loncommon::aboutmewrapper(	if ($showaboutme) {
$plainname,	$sender = &Apache::loncommon::aboutmewrapper(
$contrib{$idx.':sendername'},	$plainname,
$contrib{$idx.':senderdomain'}).' ('.	$contrib{$idx.':sendername'},
$contrib{$idx.':sendername'}.':'.	$contrib{$idx.':senderdomain'});
$contrib{$idx.':senderdomain'}.')';	} else {
	$sender = $plainname;
	}
	if ($see_anonymous) {
	$sender .= ' ('.$contrib{$idx.':sendername'}.':'.
	$contrib{$idx.':senderdomain'}.')';
	}
	$sender = '<b>'.$sender.'</b>';
if ($contrib{$idx.':anonymous'}) {	if ($contrib{$idx.':anonymous'}) {
$sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.	$sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
$screenname;	$screenname;
Line 1046 sub build_posting_display {	Line 1268 sub build_posting_display {
} else {	} else {
@{$$namesort{$lastname}{$firstname}} = ("$idx");	@{$$namesort{$lastname}{$firstname}} = ("$idx");
}	}
if (&editing_allowed($escsymb.':::'.$idx,$group)) {	if ($outputtarget ne 'tex') {
if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {	# Add karma stars
$sender.=' <a href="/adm/feedback?editdisc='.	my $karma=&userkarma($contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'});
$escsymb.':::'.$idx;	for (my $i=1;$i<=$karma;$i++) {
if ($$newpostsflag) {	$sender.='<img border="0" src="/res/adm/pages/star.gif" alt="'.&mt('Contributor Kudos').'" />';
$sender .= '&previous='.$prevread;
}
$sender .= &group_args($group);
$sender .= '" '.$target.'>'.&mt('Edit').'</a>';

unless ($seeid) {
my $grpargs = &group_args($group);
$sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
$sender .= '">'.&mt('Delete').'</a>';
}
}	}
}	# Can people edit this?
if ($seeid) {	if (&editing_allowed($escsymb.':::'.$idx,$group)) {
if ($hidden) {	if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
unless ($studenthidden) {	$sender.=' '.
$sender.=' <a href="/adm/feedback?unhide='.	&discussion_link($symb,&mt('Edit'),'editdisc',$idx,$$newpostsflag,$prevread,&group_args($group));
$escsymb.':::'.$idx;	unless ($seehidden) {
if ($$newpostsflag) {	my $grpargs = &group_args($group);
$sender .= '&previous='.$prevread;	$sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
	$sender .= '">'.&mt('Delete').'</a>';
}	}
$sender .= '">'.&mt('Make Visible').'</a>';
}
} else {
$sender.=' <a href="/adm/feedback?hide='.
$escsymb.':::'.$idx;
if ($$newpostsflag) {
$sender .= '&previous='.$prevread;
}	}
$sender .= &group_args($group);	}
$sender .= '">'.&mt('Hide').'</a>';	if ($seehidden) {
}	if ($hiddens{$idx}) {
my $grpargs = &group_args($group);	unless ($studenthidden) {
$sender.=	$sender.=' '.
" <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";	&discussion_link($symb,&mt('Make Visible'),'unhide',$idx,$$newpostsflag,$prevread,&group_args($group));
$sender .= &mt('Delete').'</a>';	}
	} else {
	$sender.=' '.
	&discussion_link($symb,&mt('Hide'),'hide',$idx,$$newpostsflag,$prevread,&group_args($group));
	}
	my $grpargs = &group_args($group);
	$sender.=
	" <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
	$sender .= &mt('Delete').'</a>';
	}
}	}
} else {	} else {
if ($screenname) {	if ($screenname) {
$sender='<i>'.$screenname.'</i>';	$sender='<i>'.$screenname.'</i>';
} else {	} else {
$sender='<i>'.$$anonhash{$key}.'</i>';	$sender='<i>'.$$anonhash{$key}.'</i>';
}	}
	$sender = '<b>'.$sender.'</b>';
# Set up for sorting by domain, then username for anonymous	# Set up for sorting by domain, then username for anonymous
unless (defined($$usernamesort{'__anon'})) {	unless (defined($$usernamesort{'__anon'})) {
%{$$usernamesort{'__anon'}} = ();	%{$$usernamesort{'__anon'}} = ();
Line 1112 sub build_posting_display {	Line 1328 sub build_posting_display {
@{$$namesort{'__anon'}{'__anon'}} = ("$idx");	@{$$namesort{'__anon'}{'__anon'}} = ("$idx");
}	}
}	}
if (&discussion_open($status)) {	if ($outputtarget ne 'tex') {
if (($group ne '') &&	if (&discussion_open($status)) {
(&check_group_priv($group,'pgd') eq 'ok')) {	if (($group ne '') &&
$sender.=' <a href="/adm/feedback?replydisc='.	(&check_group_priv($group,'pgd') eq 'ok')) {
$escsymb.':::'.$idx;	$sender.=' '.
if ($$newpostsflag) {	&discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread,&group_args($group));
$sender .= '&previous='.$prevread;	} elsif (&Apache::lonnet::allowed('pch',
}	$env{'request.course.id'}.
$sender .= &group_args($group);	($env{'request.course.sec'}?'/'.
$sender .= '" '.$target.'>'.&mt('Reply').'</a>';	$env{'request.course.sec'}:''))) {
} elsif (&Apache::lonnet::allowed('pch',	$sender.=' '.
$env{'request.course.id'}.	&discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread);
($env{'request.course.sec'}?'/'.
$env{'request.course.sec'}:''))) {
$sender.=' <a href="/adm/feedback?replydisc='.
$escsymb.':::'.$idx;
if ($$newpostsflag) {
$sender .= '&previous='.$prevread;
}	}
$sender .= '" '.$target.'>'.&mt('Reply').'</a>';
}	}
}	if ($viewgrades) {
if ($viewgrades) {	$vgrlink=&Apache::loncommon::submlink(&mt('Submissions'),
$vgrlink=&Apache::loncommon::submlink('Submissions',	$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);	}
}	if ($$dischash{$readkey}=~/\.$idx\./) {
if ($$dischash{$readkey}=~/\.$idx\./) {	$ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
$ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';	} else {
} else {	$ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
$ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';	}
}	}
}	}
#figure out at what position this needs to print	#figure out at what position this needs to print
}	}
if ($outputtarget eq 'export' \|\| $message) {	if ($outputtarget eq 'export' \|\| $message) {
my $thisindex=$idx;	my $thisindex=$idx;
if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) \|\| ($sortposts eq 'thread') \|\| ($outputtarget eq 'export')) {	if ( ((!$env{'environment.unthreadeddiscussion'}) && ($sortposts eq '')) \|\|
	($sortposts eq 'thread') \|\| ($outputtarget eq 'export')) {
$thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);	$thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
}	}
$$alldiscussion{$thisindex}=$idx;	$$alldiscussion{$thisindex}=$idx;
Line 1158 sub build_posting_display {	Line 1368 sub build_posting_display {
if ($outputtarget eq 'export') {	if ($outputtarget eq 'export') {
%{$$imsitems{$idx}} = ();	%{$$imsitems{$idx}} = ();
$$imsitems{$idx}{'isvisible'}='true';	$$imsitems{$idx}{'isvisible'}='true';
if ($hidden) {	if ($hiddens{$idx}) {
$$imsitems{$idx}{'isvisible'}='false';	$$imsitems{$idx}{'isvisible'}='false';
}	}
$$imsitems{$idx}{'title'}=$subjects{$numoldver};	$$imsitems{$idx}{'title'}=$subjects{$numoldver};
Line 1166 sub build_posting_display {	Line 1376 sub build_posting_display {
$$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};	$$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
$$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};	$$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
$$imsitems{$idx}{'sender'}=$plainname.' ('.	$$imsitems{$idx}{'sender'}=$plainname.' ('.
$contrib{$idx.':sendername'}.' at '.	$contrib{$idx.':sendername'}.':'.
$contrib{$idx.':senderdomain'}.')';	$contrib{$idx.':senderdomain'}.')';
$$imsitems{$idx}{'isanonymous'}='false';	$$imsitems{$idx}{'isanonymous'}='false';
if ($contrib{$idx.':anonymous'}) {	if ($contrib{$idx.':anonymous'}) {
Line 1180 sub build_posting_display {	Line 1390 sub build_posting_display {
} else {	} else {
if ($message) {	if ($message) {
my $spansize = 2;	my $spansize = 2;
	my ($uname,$udom);
if ($showonlyunread && $prevread > $posttime) {	if ($showonlyunread && $prevread > $posttime) {
$$notshown{$idx} = 1;	$$notshown{$idx} = 1;
} elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {	} elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
$$notshown{$idx} = 1;	$$notshown{$idx} = 1;
} else {	} else {
# apply filters	# apply filters
my $uname = $contrib{$idx.':sendername'};	$uname = $contrib{$idx.':sendername'};
my $udom = $contrib{$idx.':senderdomain'};	$udom = $contrib{$idx.':senderdomain'};
my $poster = $uname.':'.$udom;	my $poster = $uname.':'.$udom;
if ($env{'form.totposters'} ne '') {	if ($env{'form.totposters'} ne '') {
if ($totposters == 0) {	if ($totposters == 0) {
Line 1238 sub build_posting_display {	Line 1449 sub build_posting_display {
unless ($$notshown{$idx} == 1) {	unless ($$notshown{$idx} == 1) {
if ($prevread > 0 && $prevread <= $posttime) {	if ($prevread > 0 && $prevread <= $posttime) {
$$newitem{$idx} = 1;	$$newitem{$idx} = 1;
$$discussionitems[$idx] .= '	$$discussionitems[$idx] .= '<font color="#FF0000"><b>'.&mt('NEW').'  </b></font>';
<p><table border="0" width="100%">
<tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>';
} else {	} else {
$$newitem{$idx} = 0;	$$newitem{$idx} = 0;
$$discussionitems[$idx] .= '	}
<p><table border="0" width="100%">	$$discussionitems[$idx] .= '<b>'.$subject.'</b>  '.
<tr><td align="left"> </td>';	$sender.' '.$vgrlink.' ('.
}	&Apache::lonlocal::locallocaltime($posttime).')';
$$discussionitems[$idx] .= '<td align ="left">  '.
'<b>'.$subject.'</b>  '.
$sender.'</b> '.$vgrlink.' ('.
&Apache::lonlocal::locallocaltime($posttime).')</td>';
if ($$dischash{$toggkey}) {	if ($$dischash{$toggkey}) {
$$discussionitems[$idx].='<td align="right">  '.	$$discussionitems[$idx].='  '.$ctlink;
$ctlink.'</td>';	}
	my $thislikes=$likes{$symb.':'.$idx.':likes'};
	my $likestyle;
	if ($seeid \|\| $canvote) {
	# Figure out size based on likes
	my $class = 'zero';
	my $thislikes=$likes{$symb.':'.$idx.':likes'};
	if ($thislikes>$twoplus) {
	$class = 'twoplus';
	} elsif ($thislikes>$oneplus) {
	$class = 'oneplus';
	}
	if ($thislikes<$twominus) {
	$class = 'twominus';
	} elsif ($thislikes<$oneminus) {
	$class = 'oneminus';
	}
	$likestyle = $votestyle{$class};
	}
	# Actually glue in the message itself
	$$discussionitems[$idx].= '<br /><blockquote>'.
	"<div $likestyle>".
	$message.
	'</div></blockquote>';
	if ($canvote) {
	my $ownpost;
	if (($uname eq $env{'user.name'}) &&
	($udom eq $env{'user.domain'})) {
	$ownpost = 1;
	}
	# Put in the like and unlike buttons
	if ($ownpost \|\| (($hiddens{$idx}) && ($seehidden))) {
	my $novote;
	if ($ownpost) {
	$novote = &mt('No voting for your own posts.');
	} else {
	$novote = &mt('No voting for hidden posts.');
	}
	$$discussionitems[$idx].=
	'<a href="javascript:alert('."'$novote'".');" style="text-decoration: none;">'.
	'<img border="0" src="/res/adm/pages/thumbsup_novote.png" alt="'.$novote.'" /> '.
	'<img border="0" src="/res/adm/pages/thumbsdown_novote.png" alt="'.$novote.'" /></a>';

	} else {
	if ($userlikes{$idx}) {
	$$discussionitems[$idx].='<img border="0" src="/res/adm/pages/thumbsup_gray.png" alt="'.&mt('You like this posting').'" />';
	} else {
	$$discussionitems[$idx].=' '.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsup.png" alt="'.&mt('Like').'" />','like',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Like this posting"));
	}
	if ($userunlikes{$idx}) {
	$$discussionitems[$idx].='<img border="0" src="/res/adm/pages/thumbsdown_gray.png" alt="'.&mt('You unlike this posting').'" />';
	} else {
	$$discussionitems[$idx].=' '.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsdown.png" alt="'.&mt('Unlike').'" />','unlike',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Unlike this posting"));
	}
	}
	}
	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)).')';
	}
}	}
$$discussionitems[$idx].= '</tr></table><blockquote>'.	# If there is any history to this post, inform the reader
$message.'</blockquote></p>';
if ($contrib{$idx.':history'}) {	if ($contrib{$idx.':history'}) {
my @postversions = ();	my @postversions = ();
$$discussionitems[$idx] .= &mt('This post has been edited by the author.');	$$discussionitems[$idx] .= '  '.&mt('This post has been edited by the author.');
if ($seeid) {	if ($seehidden) {
$$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;	$$discussionitems[$idx] .= '  '.
$$discussionitems[$idx] .= &group_args($group);	&discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group));
$$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
}	}
$$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');	$$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
if ($contrib{$idx.':history'} =~ m/:/) {	if ($contrib{$idx.':history'} =~ m/:/) {
Line 1276 sub build_posting_display {	Line 1541 sub build_posting_display {
$$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';	$$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
}	}
}	}
	# end of unless ($$notshown ...)
}	}
	# end of if ($message) ...
}	}
	# end of the else-branch of target being export
}	}
	# end of unless hidden or deleted
}	}
	# end of the loop over all discussion entries
}	}
	# end of "if there actually are any discussions
}	}
	# end of subroutine "build_posting_display"
}	}

sub filter_regexp {	sub filter_regexp {
Line 1340 sub filter_regexp {	Line 1612 sub filter_regexp {


sub get_post_contents {	sub get_post_contents {
my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;	my ($contrib,$idx,$seeid,$seehidden,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$showaboutme,$numver) = @_;
my $discussion = '';	my $discussion = '';
my $start=$numver;	my $start=$numver;
my $end=$numver + 1;	my $end=$numver + 1;
%{$$imsfiles{$idx}}=();	%{$$imsfiles{$idx}}=();
if ($type eq 'allversions') {	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.');	$discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
return $discussion;	return $discussion;
}	}
Line 1358 sub get_post_contents {	Line 1630 sub get_post_contents {
$$contrib{$idx.':sendername'},	$$contrib{$idx.':sendername'},
$$contrib{$idx.':senderdomain'});	$$contrib{$idx.':senderdomain'});
$$screenname=$$contrib{$idx.':screenname'};	$$screenname=$$contrib{$idx.':screenname'};
	$$showaboutme = &Apache::lonnet::usertools_access($$contrib{$idx.':sendername'},
my $sender=&Apache::loncommon::aboutmewrapper(	$$contrib{$idx.':senderdomain'},
	'aboutme');
	my $sender = $$plainname;
	if ($$showaboutme) {
	$sender = &Apache::loncommon::aboutmewrapper(
$$plainname,	$$plainname,
$$contrib{$idx.':sendername'},	$$contrib{$idx.':sendername'},
$$contrib{$idx.':senderdomain'}).' ('.	$$contrib{$idx.':senderdomain'});
$$contrib{$idx.':sendername'}.' at '.	}
$$contrib{$idx.':senderdomain'}.')';	if ($seeid) {
	$sender .= ' ('.$$contrib{$idx.':sendername'}.':'.
	$$contrib{$idx.':senderdomain'}.')';
	}
my $attachmenturls = $$contrib{$idx.':attachmenturl'};	my $attachmenturls = $$contrib{$idx.':attachmenturl'};
my @postversions = ();	my @postversions = ();
if ($type eq 'allversions' \|\| $type eq 'export') {	if ($type eq 'allversions' \|\| $type eq 'export') {
Line 1391 sub get_post_contents {	Line 1670 sub get_post_contents {
my ($timesent,$attachmsg);	my ($timesent,$attachmsg);
my %currattach = ();	my %currattach = ();
$timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);	$timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
&newline_to_br(\$messages->{$i});	unless (&contains_block_html($messages->{$i})) {
	&newline_to_br(\$messages->{$i});
	}
$$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});	$$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
$$subjects{$i}=~s/\n/\<br \/\>/g;	$$subjects{$i}=~s/\n/\<br \/\>/g;
$$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});	$$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
Line 1405 sub get_post_contents {	Line 1686 sub get_post_contents {
foreach my $key (sort(keys(%currattach))) {	foreach my $key (sort(keys(%currattach))) {
if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {	if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
my $fname = $1.$3.'/'.$4;	my $fname = $1.$3.'/'.$4;
$$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n";	$$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
$$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';	$$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
}	}
}	}
Line 1478 sub mail_screen {	Line 1759 sub mail_screen {
}	}

my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'plch' => 'Please check at least one of the following feedback types:',	'myqu' => 'Question/comment/feedback:',
'myqu' => 'My question/comment/feedback:',
'title' => 'Title',	'title' => 'Title',
'reta' => 'Retained attachments',	'reta' => 'Retained attachments',
'atta' => 'Attachment',	'atta' => 'Attachment',
);	);
	if($env{'form.editdisc'} \|\| $env{'form.replydisc'}){
	%lt = &Apache::lonlocal::texthash(
	'myqu' => 'Post Discussion',
	);
	}
my $restitle = &get_resource_title($caller_symb,$feedurl);	my $restitle = &get_resource_title($caller_symb,$feedurl);
my $quote='';	my $quote='';
my $subject = '';	my $subject = '';
Line 1548 END	Line 1833 END
$env{'course.'.$env{'request.course.id'}.'.domain'},	$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.num'});
unless (($contrib{'hidden'}=~/\.$idx\./) \|\| ($contrib{'deleted'}=~/\.$idx\./)) {	unless (($contrib{'hidden'}=~/\.$idx\./) \|\| ($contrib{'deleted'}=~/\.$idx\./)) {
	my $numoldver = 0;
if ($contrib{$idx.':history'}) {	if ($contrib{$idx.':history'}) {
if ($contrib{$idx.':history'} =~ /:/) {	if ($contrib{$idx.':history'} =~ /:/) {
my @oldversions = split(/:/,$contrib{$idx.':history'});	my @oldversions = split(/:/,$contrib{$idx.':history'});
Line 1556 END	Line 1842 END
$numoldver = 1;	$numoldver = 1;
}	}
}	}
if ($env{'form.replydisc'}) {	if ($idx > 0) {
if ($contrib{$idx.':history'}) {	my (%msgversions,%subversions,$htmldecode);
if ($contrib{$idx.':history'} =~ /:/) {	$htmldecode = 0;
my @oldversions = split(/:/,$contrib{$idx.':history'});	if ($env{'form.replydisc'}) {
$numoldver = @oldversions;	$htmldecode = 1;
} else {
$numoldver = 1;
}
}	}
if ($idx > 0) {	&get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
my %msgversions = ();	&get_post_versions(\%subversions,$contrib{$idx.':subject'},$htmldecode,
&get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);	$numoldver);
	$subject = $subversions{$numoldver};
	if ($env{'form.replydisc'}) {
$quote = $msgversions{$numoldver};	$quote = $msgversions{$numoldver};
}	$subject = &HTML::Entities::encode(&mt('Re: ').$subject,'<>&"');
if ($idx > 0) {	} else {
my %subversions = ();
&get_post_versions(\%subversions,$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);
$comment = $msgversions{$numoldver};	$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'})) {	if (defined($contrib{$idx.':replyto'})) {
$parentmsg = $contrib{$idx.':replyto'};	$parentmsg = $contrib{$idx.':replyto'};
}	}
Line 1618 END	Line 1893 END
$comment = &unescape($env{'form.comment'});	$comment = &unescape($env{'form.comment'});
&process_attachments(\@currnewattach,\@currdelold,\@keepold);	&process_attachments(\@currnewattach,\@currdelold,\@keepold);
}	}
my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);	my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1,($env{'form.modal'}?'popup':0));
my $send=&mt('Send');	my $send=&mt('Send');
my $alert = &mt('Please select a feedback type.');	my $alert = &mt('Please select a feedback type.');
my $js= <<END;	my $js= <<END;
Line 1660 END	Line 1935 END
</script>	</script>
END	END

	my ($textareaheader,$textareaclass);
	if (&Apache::lonhtmlcommon::htmlareabrowser()) {
	$textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive();
	$textareaclass = 'class="LC_richDefaultOff"';
	if ($env{'request.course.id'}) {
	unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\syes\s$/i) \|\| ($env{'form.sendmessageonly'})) {
	undef($textareaclass);
	}
	}
	}

	# Breadcrumbs
	my $brcrum = [{'href' => '',
	'text' => 'Resource Feedback and Discussion'}];

my %onload = ('onload' => 'window.focus();setposttype();');	my %onload = ('onload' => 'window.focus();setposttype();');
	my %parms=('add_entries' => \%onload);
	if ($env{'form.modal'} ne 'yes') { $parms{'bread_crumbs'} = $brcrum; }
my $start_page=	my $start_page=
&Apache::loncommon::start_page('Resource Feedback and Discussion',$js,	&Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms);
{'add_entries' => \%onload});

if ($quote ne '') {	if ($quote ne '') {
&newline_to_br(\$quote);	$quote = &HTML::Entities::decode($quote);
$quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';	unless (&contains_block_html($quote)) {
	&newline_to_br(\$quote);
	}
	$quote=&Apache::lonhtmlcommon::start_pick_box().
	&Apache::lonhtmlcommon::row_title(&mt('Quote')).
	&Apache::lontexconvert::msgtexconverted($quote).
	&Apache::lonhtmlcommon::row_closure(1).
	&Apache::lonhtmlcommon::end_pick_box();
	}
	my $header='';
	unless ($env{'form.modal'}) {
	$header="<h2><tt>$restitle</tt></h2>";
}	}

$r->print(<<END);	$r->print(<<END);
$start_page	$start_page
<h2><tt>$restitle</tt></h2>	<h1>$lt{'myqu'}</h1>
	$header
<form action="/adm/feedback" method="post" name="mailform"	<form action="/adm/feedback" method="post" name="mailform"
enctype="multipart/form-data">	enctype="multipart/form-data">
$prevtag	$prevtag
<input type="hidden" name="postdata" value="$feedurl" />	<input type="hidden" name="postdata" value="$feedurl" />
	<input type="hidden" name="modal" value="$env{'form.modal'}" />
END	END
if ($env{'form.replydisc'}) {	if ($env{'form.replydisc'}) {
$r->print(<<END);	$r->print(<<END);
Line 1684 END	Line 1987 END
END	END
} elsif ($env{'form.editdisc'}) {	} elsif ($env{'form.editdisc'}) {
$r->print(<<END);	$r->print(<<END);
<input type="hidden" name="editdisc" value ="$env{'form.editdisc'}" />	<input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
<input type="hidden" name="parentmsg" value ="$parentmsg" />	<input type="hidden" name="parentmsg" value="$parentmsg" />
END	END
}	}
$r->print(<<END);	$r->print(<<END);
$lt{'plch'}	$options
$options<hr />	<br />
	END
	$r->print(&Apache::lonhtmlcommon::start_pick_box());
	$r->print(<<END);
$quote	$quote
<p>$lt{'myqu'}</p>
<p>	<p>
$latexHelp	$textareaheader
$lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>	</p>
<p>	<p>
<textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment	$latexHelp
</textarea></p>	</p>
<p>	<p>
END	END


	$r->print(&Apache::lonhtmlcommon::row_title(&mt('Subject')));
	$r->print('<input type="text" name="subject" size="30" value="'.
	$subject.'" /></p>');
	$r->print(&Apache::lonhtmlcommon::row_closure());
	$r->print(&Apache::lonhtmlcommon::row_title(&mt('Message')));
	$r->print('<textarea name="comment" id="comment" cols="55" rows="10" '.
	$textareaclass.'>'.$comment.
	'</textarea>');
	$r->print(&Apache::lonhtmlcommon::row_closure(1));
	$r->print(&Apache::lonhtmlcommon::end_pick_box());

if ( ($env{'form.editdisc'}) \|\| ($env{'form.replydisc'}) ) {	if ( ($env{'form.editdisc'}) \|\| ($env{'form.replydisc'}) ) {
if ($env{'form.origpage'}) {	if ($env{'form.origpage'}) {
foreach my $attach (@currnewattach) {	foreach my $attach (@currnewattach) {
Line 1721 END	Line 2039 END
}	}
} else {	} else {
$r->print(<<END);	$r->print(<<END);
	<p>
$lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />	$lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
</p>	</p>
END	END
Line 1732 END	Line 2051 END
$r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');	$r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
}	}
$r->print(<<END);	$r->print(<<END);
<p>
<input type="hidden" name="sendit" value="1" />	<input type="hidden" name="sendit" value="1" />
<input type="button" value="$send" onClick='gosubmit();' />	<input type="button" value="$send" onclick='gosubmit();' />
</p>
</form>	</form>
END	END
if ($env{'form.editdisc'} \|\| $env{'form.replydisc'}) {	if ($env{'form.editdisc'} \|\| $env{'form.replydisc'}) {
Line 1750 END	Line 2067 END
$attachnum += @currnewattach;	$attachnum += @currnewattach;
}	}
my $blockblog = &Apache::loncommon::blocking_status('blogs');	my $blockblog = &Apache::loncommon::blocking_status('blogs');
$r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
if ($attachnum > 0) {	if ($attachnum > 0) {
if (@currnewattach > 0) {	if (@currnewattach > 0) {
$newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';	$newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
Line 1770 END	Line 2086 END
$r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");	$r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
}	}
if ($newattachmsg) {	if ($newattachmsg) {
$r->print("$newattachmsg<br />");	$r->print("$newattachmsg");
}	}
}	}
	$r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
}	}
$r->print(&generate_preview_button().	$r->print(&generate_preview_button().
&Apache::lonhtmlcommon::htmlareaselectactive('comment').
&Apache::loncommon::end_page());	&Apache::loncommon::end_page());

}	}
Line 1925 END	Line 2241 END
&Apache::loncommon::end_page();	&Apache::loncommon::end_page();
$r->print(<<END);	$r->print(<<END);
$start_page	$start_page
<form name="modifydisp" method="POST" action="/adm/feedback">	<form name="modifydisp" method="post" action="/adm/feedback">
$lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>	$lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
<br />	<br />
END	END
Line 1941 END	Line 2257 END
$r->print(<<END);	$r->print(<<END);
<td>$lt{'disa'}</td>	<td>$lt{'disa'}</td>
<td>$lt{$discdisp}</td>	<td>$lt{$discdisp}</td>
<td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>	<td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
<br />	<br />
<label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>	<label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
</td>	</td>
END	END
$r->print(&Apache::loncommon::end_data_table_row());	$r->print(&Apache::loncommon::end_data_table_row());
Line 1958 END	Line 2274 END
$r->print(<<END);	$r->print(<<END);
<td>$lt{'dotm'}</td>	<td>$lt{'dotm'}</td>
<td>$lt{$disctogg}</td>	<td>$lt{$disctogg}</td>
<td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>	<td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
END	END
my $save = &mt('Save');	my $save = &mt('Save');
$r->print(&Apache::loncommon::end_data_table_row());	$r->print(&Apache::loncommon::end_data_table_row());
Line 1968 END	Line 2284 END
<br />	<br />
<input type="hidden" name="symb" value="$symb" />	<input type="hidden" name="symb" value="$symb" />
<input type="hidden" name="previous" value="$previous" />	<input type="hidden" name="previous" value="$previous" />
<input type="hidden" name="$dispchgA" value=""/>	<input type="hidden" name="$dispchgA" value="" />
<input type="hidden" name="$dispchgB" value=""/>	<input type="hidden" name="$dispchgB" value="" />
<input type="hidden" name="$markchg" value=""/>	<input type="hidden" name="$markchg" value="" />
<input type="hidden" name="$toggchg" value="" />	<input type="hidden" name="$toggchg" value="" />
<input type="button" name="sub" value="$save" onClick="javascript:setDisp()" />	<input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
END	END
if (exists($env{'form.group'})) {	if (exists($env{'form.group'})) {
$r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');	$r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
Line 2003 sub print_sortfilter_options {	Line 2319 sub print_sortfilter_options {
my $group_sel = '';	my $group_sel = '';
my $numgroupvis = 5;	my $numgroupvis = 5;
my %sectioncount = &Apache::loncommon::get_sections();	my %sectioncount = &Apache::loncommon::get_sections();
	my @courseroles = qw(st ad ep ta in);
	my $crstype = &Apache::loncommon::course_type();
	my $ccrole = 'cc';
	if ($crstype eq 'Community') {
	$ccrole = 'co';
	}
	push(@courseroles,$ccrole);

if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section	if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
@sections = ('all',$env{'request.course.sec'});	@sections = ('all',$env{'request.course.sec'});
$numvisible = 2;	$numvisible = 2;
Line 2066 sub print_sortfilter_options {	Line 2389 sub print_sortfilter_options {
my %sort_types = ();	my %sort_types = ();
my %role_types = ();	my %role_types = ();
my %status_types = ();	my %status_types = ();
&sort_filter_names(\%sort_types,\%role_types,\%status_types);	&sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);

my $js = <<END;	my $js = <<END;
<script type="text/javascript">	<script type="text/javascript">
Line 2113 END	Line 2436 END

$r->print(<<END);	$r->print(<<END);
$start_page	$start_page
<form name="modifyshown" method="POST" action="/adm/feedback">	<form name="modifyshown" method="post" action="/adm/feedback">
<b>$lt{'diso'}</b><br/> $lt{'prca'}	<b>$lt{'diso'}</b><br/> $lt{'prca'}
<br /><br />	<br />
<table border="0">	<table border="0">
<tr>	<tr>
<td><b>$lt{'soor'}</b></td>	<th>$lt{'soor'}</th>
<td> </td>	<th> </th>
<td><b>$lt{'sprs'}</b></td>	<th>$lt{'sprs'}</th>
<td> </td>	<th> </th>
<td><b>$lt{'spur'}</b></td>	<th>$lt{'spur'}</th>
<td> </td>	<th> </th>
<td><b>$lt{'spse'}</b></td>	<th>$lt{'spse'}</th>
<td> </td>	<th> </th>
<td><b>$lt{'spgr'}</b></td>	<th>$lt{'spgr'}</th>
<td> </td>	<th> </th>
<td><b>$lt{'psub'}</b></td>	<th>$lt{'psub'}</th>
</tr>	</tr>
<tr>	<tr>
<td align="center" valign="top">	<td align="center" valign="top">
Line 2155 $start_page	Line 2478 $start_page
<select name="rolefilter" multiple="multiple" size="5">	<select name="rolefilter" multiple="multiple" size="5">
<option value="all">$role_types{'all'}</option>	<option value="all">$role_types{'all'}</option>
<option value="st">$role_types{'st'}</option>	<option value="st">$role_types{'st'}</option>
<option value="cc">$role_types{'cc'}</option>	<option value="$ccrole">$role_types{$ccrole}</option>
<option value="in">$role_types{'in'}</option>	<option value="in">$role_types{'in'}</option>
<option value="ta">$role_types{'ta'}</option>	<option value="ta">$role_types{'ta'}</option>
<option value="ep">$role_types{'ep'}</option>	<option value="ep">$role_types{'ep'}</option>
	<option value="ad">$role_types{'ad'}</option>
<option value="cr">$role_types{'cr'}</option>	<option value="cr">$role_types{'cr'}</option>
</select>	</select>
</td>	</td>
Line 2179 $start_page	Line 2503 $start_page
</tr>	</tr>
</table>	</table>
<br />	<br />
<br />	<input type="hidden" name="inhibitmenu" value="$env{'form.inhibitmenu'}" />
	<input type="hidden" name="modal" value="$env{'form.modal'}" />
<input type="hidden" name="previous" value="$previous" />	<input type="hidden" name="previous" value="$previous" />
<input type="hidden" name="applysort" value="$symb" />	<input type="hidden" name="applysort" value="$symb" />
<input type="button" name="sub" value="$lt{'stor'}" onClick="verifyFilter()" />	<input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
END	END
if (exists($env{'form.group'})) {	if (exists($env{'form.group'})) {
$r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');	$r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
Line 2205 sub print_showposters {	Line 2530 sub print_showposters {
$r->send_http_header;	$r->send_http_header;

&Apache::lonenc::check_encrypt(\$symb);	&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 $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
my $group = $env{'form.group'};	my $group = $env{'form.group'};
my $ressymb = &wrap_symb($symb);	my $ressymb = &wrap_symb($symb);
if (($group ne '') &&	my $seehidden = &can_see_hidden('',$ressymb,$feedurl,$group,$cdom,$cnum);
($ressymb =~ m\|^bulletin___ \d+___adm/wrapper/adm/\Q$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 %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},	my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
$cdom,$cnum);	$cdom,$cnum);
my %namesort = ();	my %namesort = ();
Line 2238 sub print_showposters {	Line 2550 sub print_showposters {
for (my $idx=1;$idx<=$contrib{'version'};$idx++) {	for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
my $hidden=($contrib{'hidden'}=~/\.$idx\./);	my $hidden=($contrib{'hidden'}=~/\.$idx\./);
my $deleted=($contrib{'deleted'}=~/\.$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'}:'')))) {	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{$idx.':sendername'});	my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
my $lastname = $names{'lastname'};	my $lastname = $names{'lastname'};
Line 2263 sub print_showposters {	Line 2575 sub print_showposters {
}	}
}	}
}	}
}	}
}	}

my $start_page = &Apache::loncommon::start_page('Discussion options');	my $start_page = &Apache::loncommon::start_page('Discussion options');
Line 2304 END	Line 2616 END
$r->print(<<END);	$r->print(<<END);
<br />	<br />
<input type="hidden" name="sortposts" value="$sortposts" />	<input type="hidden" name="sortposts" value="$sortposts" />
	<input type="hidden" name="modal" value="$env{'form.modal'}" />
<input type="hidden" name="userpick" value="$symb" />	<input type="hidden" name="userpick" value="$symb" />
<input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />	<input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
</form>	</form>
$end_page	$end_page
END	END
Line 2377 sub fail_redirect {	Line 2690 sub fail_redirect {
my ($r,$feedurl) = @_;	my ($r,$feedurl) = @_;
if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };	if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'sorr' => 'Sorry, no recipients ...',	'sorr' => 'Sorry, no recipients ...',
);	);
my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');	my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
$r->print(&Apache::loncommon::start_page('Feedback not sent',undef,	$r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
Line 2385 sub fail_redirect {	Line 2698 sub fail_redirect {
'only_body' => 1,}));	'only_body' => 1,}));
$r->print(<<ENDFAILREDIR);	$r->print(<<ENDFAILREDIR);
<img align="right" src="$logo" />	<img align="right" src="$logo" />
<b>$lt{'sorr'}</b>	<p class="LC_warning">$lt{'sorr'}</p>
ENDFAILREDIR	ENDFAILREDIR
$r->print(&Apache::loncommon::end_page());	$r->print(&Apache::loncommon::end_page());
}	}
Line 2408 sub redirect_back {	Line 2721 sub redirect_back {
if ($previous > 0) {	if ($previous > 0) {
$qrystr = 'previous='.$previous;	$qrystr = 'previous='.$previous;
if ($feedurl =~ /\?register=1/) {	if ($feedurl =~ /\?register=1/) {
$feedurl .= '&'.$qrystr;	$feedurl .= '&'.$qrystr;
} else {	} else {
$feedurl .= '?'.$qrystr;	$feedurl .= '?'.$qrystr;
}	}
Line 2417 sub redirect_back {	Line 2730 sub redirect_back {
if (defined($sort)) {	if (defined($sort)) {
my $sortqry = 'sortposts='.$sort;	my $sortqry = 'sortposts='.$sort;
if (($feedurl =~ /\?register=1/) \|\| ($feedurl =~ /\?previous=/)) {	if (($feedurl =~ /\?register=1/) \|\| ($feedurl =~ /\?previous=/)) {
$feedurl .= '&'.$sortqry;	$feedurl .= '&'.$sortqry;
} else {	} else {
$feedurl .= '?'.$sortqry;	$feedurl .= '?'.$sortqry;
}	}
$sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';	$sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
if (defined($numpicks)) {	if (defined($numpicks)) {
my $userpickqry = 'totposters='.$numpicks;	my $userpickqry = 'totposters='.$numpicks;
$feedurl .= '&'.$userpickqry;	$feedurl .= '&'.$userpickqry;
$userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';	$userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
} else {	} else {
if (ref($sectionpick) eq 'ARRAY') {	if (ref($sectionpick) eq 'ARRAY') {
$feedurl .= '&sectionpick=';	$feedurl .= '&sectionpick=';
$sectag .= '<input type="hidden" name="sectionpick" value="';	$sectag .= '<input type="hidden" name="sectionpick" value="';
foreach my $sec (@{$sectionpick}) {	foreach my $sec (@{$sectionpick}) {
$feedurl .= $sec.',';	$feedurl .= $sec.',';
Line 2438 sub redirect_back {	Line 2751 sub redirect_back {
$sectag =~ s/,$//;	$sectag =~ s/,$//;
$sectag .= '" />';	$sectag .= '" />';
} else {	} else {
$feedurl .= '&sectionpick='.$sectionpick;	$feedurl .= '&sectionpick='.$sectionpick;
$sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';	$sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
}	}
if (ref($grouppick) eq 'ARRAY') {	if (ref($grouppick) eq 'ARRAY') {
$feedurl .= '&grouppick=';	$feedurl .= '&grouppick=';
$sectag .= '<input type="hidden" name="grouppick" value="';	$sectag .= '<input type="hidden" name="grouppick" value="';
foreach my $grp (@{$grouppick}) {	foreach my $grp (@{$grouppick}) {
$feedurl .= $grp.',';	$feedurl .= $grp.',';
Line 2452 sub redirect_back {	Line 2765 sub redirect_back {
$grptag =~ s/,$//;	$grptag =~ s/,$//;
$grptag .= '" />';	$grptag .= '" />';
} else {	} else {
$feedurl .= '&grouppick='.$grouppick;	$feedurl .= '&grouppick='.$grouppick;
$grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';	$grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
}	}
if (ref($rolefilter) eq 'ARRAY') {	if (ref($rolefilter) eq 'ARRAY') {
$feedurl .= '&rolefilter=';	$feedurl .= '&rolefilter=';
$roletag .= '<input type="hidden" name="rolefilter" value="';	$roletag .= '<input type="hidden" name="rolefilter" value="';
foreach my $role (@{$rolefilter}) {	foreach my $role (@{$rolefilter}) {
$feedurl .= $role.',';	$feedurl .= $role.',';
Line 2466 sub redirect_back {	Line 2779 sub redirect_back {
$roletag =~ s/,$//;	$roletag =~ s/,$//;
$roletag .= '" />';	$roletag .= '" />';
} else {	} else {
$feedurl .= '&rolefilter='.$rolefilter;	$feedurl .= '&rolefilter='.$rolefilter;
$roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';	$roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
}	}
$feedurl .= '&statusfilter='.$statusfilter;	$feedurl .= '&statusfilter='.$statusfilter;
$statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';	$statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
}	}
}	}
my $grouptag;	my $grouptag;
if ($group ne '') {	if ($group ne '') {
$grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; my $refarg;	$grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
	my $refarg;
if (exists($env{'form.ref'})) {	if (exists($env{'form.ref'})) {
$refarg = '&ref='.$env{'form.ref'};	$refarg = '&ref='.$env{'form.ref'};
$grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';	$grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
Line 2488 sub redirect_back {	Line 2802 sub redirect_back {
}	}
&Apache::lonenc::check_encrypt(\$feedurl);	&Apache::lonenc::check_encrypt(\$feedurl);
my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');	my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
my %onload;	my %parms=('only_body' => 1);
if ($env{'environment.remote'} ne 'off') {	if ($env{'form.modal'}) {
$onload{'onload'} =	$parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'};
"if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";	} else {
	$parms{'redirect'}=[0,$feedurl];
}	}
my $start_page=	my $start_page=
&Apache::loncommon::start_page('Feedback sent',undef,	&Apache::loncommon::start_page('Feedback sent',undef,\%parms);
{'redirect' => [0,$feedurl],
'only_body' => 1,
'add_entries' => \%onload});
my $end_page = &Apache::loncommon::end_page();	my $end_page = &Apache::loncommon::end_page();
$r->print(<<ENDREDIR);	$r->print(<<ENDREDIR);
$start_page	$start_page
Line 2523 ENDREDIR	Line 2835 ENDREDIR

sub no_redirect_back {	sub no_redirect_back {
my ($r,$feedurl) = @_;	my ($r,$feedurl) = @_;
my $nofeed=&mt('Sorry, no feedback possible on this resource ...');	my $nofeed=&mt('Sorry, no feedback possible on this resource ...');

my %onload;	my %onload;
if ($env{'environment.remote'} ne 'off') {
$onload{'onload'} =
"if (window.name!='loncapaclient') { self.window.close(); }";
}

my %body_options = ('only_body' => 1,	my %body_options = ('only_body' => 1,
'bgcolor' => '#FFFFFF',	'bgcolor' => '#FFFFFF',
'add_entries' => \%onload,);	'add_entries' => \%onload,);

if ($feedurl !~ m{^/adm/feedback}) {	if ($feedurl !~ m{^/adm/feedback}) {
$body_options{'rediect'} = [2,$feedurl];	$body_options{'redirect'} = [2,$feedurl];
}	}
my $start_page=	my $start_page=
&Apache::loncommon::start_page('Feedback not sent',undef,	&Apache::loncommon::start_page('Feedback not sent',undef,
Line 2556 ENDNOREDIRTWO	Line 2864 ENDNOREDIRTWO
}	}

sub screen_header {	sub screen_header {
my ($feedurl,$symb) = @_;	my ($feedurl,$symb,$group) = @_;
	my $crscontent = &mt('Question/Comment/Feedback about course content');
	my $crspolicy = &mt('Question/Comment/Feedback about course policy');
	my $contribdisc = &mt('Contribution to course discussion of resource');
	my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
	my $namevis = &mt('name only visible to course faculty');
	my $crstype;
	if ($env{'request.course.id'}) {
	$crstype = &Apache::loncommon::course_type();
	if ($crstype eq 'Community') {
	$crscontent = &mt('Question/Comment/Feedback about community content');
	$crspolicy = &mt('Question/Comment/Feedback about community policy');
	$contribdisc = &mt('Contribution to community discussion of resource');
	$anoncontrib = &mt('Anonymous contribution to community discussion of resource');
	$namevis = &mt('name only visible to community facilitators');
	}
	}
my $msgoptions='';	my $msgoptions='';
my $discussoptions='';	my $discussoptions='';
unless (($env{'form.replydisc'}) \|\| ($env{'form.editdisc'})) {	unless (($env{'form.replydisc'}) \|\| ($env{'form.editdisc'})) {
if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {	if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
$msgoptions=	$msgoptions=
'<p><label><input type="radio" name="discuss" value="author" /> '.	'<label><input type="radio" name="discuss" value="author" /> '.
&mt('Feedback to resource author').'</label></p>';	&mt('Feedback to resource author').'</label><br />';
}	}
my %optionhash=();	my %optionhash=();
foreach my $type ('question','comment','policy') {	foreach my $type ('question','comment','policy') {
Line 2571 sub screen_header {	Line 2895 sub screen_header {
}	}
if (&feedback_available(1)) {	if (&feedback_available(1)) {
$msgoptions.=	$msgoptions.=
'<p><label><input type="radio" name="discuss" value="question" /> '.	'<label><input type="radio" name="discuss" value="question" /> '.
($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';	($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label><br />';
}	}
if (&feedback_available(0,1)) {	if (&feedback_available(0,1)) {
$msgoptions.=	$msgoptions.=
'<p><label><input type="radio" name="discuss" value="course" /> '.	'<label><input type="radio" name="discuss" value="course" /> '.
($optionhash{'comment'}?$optionhash{'comment'}:&mt('Question/Comment/Feedback about course content')).	($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
'</label></p>';	'</label><br />';
}	}
if (&feedback_available(0,0,1)) {	if (&feedback_available(0,0,1)) {
$msgoptions.=	$msgoptions.=
'<p><label><input type="radio" name="discuss" value="policy" /> '.	'<label><input type="radio" name="discuss" value="policy" /> '.
($optionhash{'policy'}?$optionhash{'policy'}:&mt('Question/Comment/Feedback about course policy')).	($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
'</label></p>';	'</label><br />';
}	}
}	}
if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {	if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');	my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
if (!$blocked && &discussion_open(undef,$symb) &&	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
&Apache::lonnet::allowed('pch',	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
$env{'request.course.id'}.	my $realsymb = &get_realsymb($symb);
($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {	if (!$blocked && &discussion_open(undef,$realsymb) &&
	(&Apache::lonnet::allowed('pch',
	$env{'request.course.id'}.
	($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) \|\|
	(($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) {
$discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.	$discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
&mt('Contribution to course discussion of resource');	$contribdisc.
$discussoptions.='</label><br /><label><input type="radio" name="discuss" value="anon" /> '.	'</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
&mt('Anonymous contribution to course discussion of resource').	$anoncontrib.
' <i>('.&mt('name only visible to course faculty').')</i></label> '.	' <i>('.$namevis.')</i></label> '.
'<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';	'<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
my $blockblog = &Apache::loncommon::blocking_status('blogs');	my $blockblog = &Apache::loncommon::blocking_status('blogs');
if (!$blockblog) {	if (!$blockblog) {
$discussoptions.= &add_blog_checkbox();	$discussoptions.= &add_blog_checkbox($crstype);
}	}
}	}
}	}
if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }	if ($msgoptions) {
	$msgoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />'
	.'<br />'.&mt('Send Feedback').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</th>'.
	'<td>'.$msgoptions.'</td></tr>';
	}
if ($discussoptions) {	if ($discussoptions) {
$discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }	$discussoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
return $msgoptions.$discussoptions;	.'<br />'.&mt('Discussion Contributions').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</th>'.
	'<td>'.$discussoptions.'</td></tr>';
	}
	return &Apache::loncommon::start_data_table().$msgoptions.$discussoptions.&Apache::loncommon::end_data_table();
}	}

sub resource_output {	sub resource_output {
Line 2625 sub resource_output {	Line 2960 sub resource_output {
}	}

sub clear_out_html {	sub clear_out_html {
my ($message,$override,$ignore_htmlarea)=@_;	my ($message,$override)=@_;
if (!$ignore_htmlarea
&& !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
# Always allow the <m>-tag	# Always allow the <m>-tag
my %html=(M=>1);	my %html=(M=>1);
# Check if more is allowed	# Check if more is allowed
Line 2636 sub clear_out_html {	Line 2969 sub clear_out_html {
($override)) {	($override)) {
# allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>	# allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
# <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>	# <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
# <SUP>	# <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
%html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,	%html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,	BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1,
M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,	M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);	H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
	TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
}	}
# Do the substitution of everything that is not explicitly allowed	# Do the substitution of everything that is not explicitly allowed
$message =~ s/\<(\/?\s(\w+)[^\>\<])/	$message =~ s/\<(\/?\s(\w+)[^\>\<])/
Line 2657 sub assemble_email {	Line 2991 sub assemble_email {
'orig' => 'Original screen output (if applicable)',	'orig' => 'Original screen output (if applicable)',
'corr' => 'Correct Answer(s) (if applicable)',	'corr' => 'Correct Answer(s) (if applicable)',
);	);
	if (&Apache::loncommon::course_type() eq 'Community') {
	$lt{'prev'} = &mt('Previous attempts of member (if applicable)');
	}
my $email=<<"ENDEMAIL";	my $email=<<"ENDEMAIL";
$message	$message
ENDEMAIL	ENDEMAIL
Line 2706 sub send_msg {	Line 3043 sub send_msg {
}	}
}	}

	# Records of number of feedback messages are kept under the "symb" called "_feedback"
my %record=&Apache::lonnet::restore('_feedback');	# There are two entries within the framework of a course:
my ($temp)=keys(%record);	# - the URLs for which feedback was provided
unless ($temp=~/^error\:/) {	# - the total number of contributions
my %newrecord=();	if ($sendsomething) {
$newrecord{'resource'}=$feedurl;	my %record=&getfeedbackrecords();
$newrecord{'subnumber'}=$record{'subnumber'}+1;	my ($temp)=keys(%record);
unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {	unless ($temp=~/^error\:/) {
$status.='<br />'.&mt('Not registered').'<br />';	my %newrecord=();
}	$newrecord{'resource'}=$feedurl;
	$newrecord{'subnumber'}=$record{'subnumber'}+1;
	unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
	$status.='<br />'.&mt('Not registered').'<br />';
	}
	}
}	}

return ($status,$sendsomething);	return ($status,$sendsomething);
}	}

	# Routine to get the complete feedback records

	sub getfeedbackrecords {
	my ($uname,$udom,$course)=@_;
	unless ($uname) { $uname=$env{'user.name'}; }
	unless ($udom) { $udom=$env{'user.domain'}; }
	unless ($course) { $course=$env{'request.course.id'}; }
	my %record=&Apache::lonnet::restore('_feedback',$course,$udom,$uname);
	return %record;
	}

	# Routine to get feedback statistics

	sub getfeedbackstats {
	my %record=&getfeedbackrecords(@_);
	return ($record{'subnumber'},$record{'points'},$record{'totallikes'});
	}

	# Store feedback credit

	sub storefeedbackpoints {
	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' => $points);
	return &Apache::lonnet::cstore(\%record,'_feedback',$course,$udom,$uname);
	}

	# Store feedback "likes"

	sub storefeedbacklikes {
	my ($likes,$uname,$udom,$course)=@_;
	unless ($likes) { $likes=0; }
	if ($likes>0) { $likes=1; }
	if ($likes<0) { $likes=-1; }
	unless ($uname) { $uname=$env{'user.name'}; }
	unless ($udom) { $udom=$env{'user.domain'}; }
	unless ($course) { $course=$env{'request.course.id'}; }
	my %record=&getfeedbackrecords($uname,$udom,$course);
	my $totallikes=$record{'totallikes'};
	$totallikes+=$likes;
	my %newrecord=('likes_user' => $env{'user.name'},
	'likes_domain' => $env{'user.domain'},
	'likes' => $likes,
	'totallikes' => $totallikes);
	return &Apache::lonnet::cstore(\%newrecord,'_feedback',$course,$udom,$uname);
	}


sub adddiscuss {	sub adddiscuss {
my ($symb,$email,$anon,$attachmenturl,$subject)=@_;	my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_;
my $status='';	my $status='';
my $realsymb;	my $realsymb = &get_realsymb($symb);
if ($symb=~/^bulletin___/) {	my ($cnum,$cdom);
my $filename=(&Apache::lonnet::decode_symb($symb))[2];	if ($env{'request.course.id'}) {
$filename=~s\|^adm/wrapper/\|\|;	$cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
$realsymb=&Apache::lonnet::symbread($filename);	$cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
}	}
if (&discussion_open(undef,$realsymb) &&	if (&discussion_open(undef,$realsymb) &&
&Apache::lonnet::allowed('pch',$env{'request.course.id'}.	(&Apache::lonnet::allowed('pch',$env{'request.course.id'}.
($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {	($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) \|\|
	(($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') &&
	($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) {

my %contrib=('message' => $email,	my %contrib=('message' => $email,
'sendername' => $env{'user.name'},	'sendername' => $env{'user.name'},
Line 2812 sub adddiscuss {	Line 3208 sub adddiscuss {
$env{'course.'.$env{'request.course.id'}.'.domain'},	$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.num'});
}	}
my %record=&Apache::lonnet::restore('_discussion');	my %record=&getdiscussionrecords();
my ($temp)=keys(%record);	my ($temp)=keys(%record);
unless ($temp=~/^error\:/) {	unless ($temp=~/^error\:/) {
my %newrecord=();	my %newrecord=();
Line 2820 sub adddiscuss {	Line 3216 sub adddiscuss {
$newrecord{'subnumber'}=$record{'subnumber'}+1;	$newrecord{'subnumber'}=$record{'subnumber'}+1;
$status.='<br />'.&mt('Registering').': '.	$status.='<br />'.&mt('Registering').': '.
&Apache::lonnet::cstore(\%newrecord,'_discussion');	&Apache::lonnet::cstore(\%newrecord,'_discussion');
	&updatekarma();
}	}
} else {	} else {
$status.='Failed.';	$status.='Failed.';
Line 2827 sub adddiscuss {	Line 3224 sub adddiscuss {
return $status.'<br />';	return $status.'<br />';
}	}


	# Routine to get the complete discussion records

	sub getdiscussionrecords {
	my ($uname,$udom,$course)=@_;
	unless ($uname) { $uname=$env{'user.name'}; }
	unless ($udom) { $udom=$env{'user.domain'}; }
	unless ($course) { $course=$env{'request.course.id'}; }
	my %record=&Apache::lonnet::restore('_discussion',$course,$udom,$uname);
	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 ($chglikes,$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 $totalunlikes=$record{'totalunlikes'};
	$totallikes += $chglikes;
	$totalunlikes += $chgunlikes;
	my %newrecord=('likes_user' => $env{'user.name'},
	'likes_domain' => $env{'user.domain'},
	'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;
	}

sub get_discussion_info {	sub get_discussion_info {
my ($idx,%contrib) = @_;	my ($idx,%contrib) = @_;
my $changelast = 0;	my $changelast = 0;
Line 2883 sub show_preview {	Line 3382 sub show_preview {
&newline_to_br(\$message);	&newline_to_br(\$message);
$message=&Apache::lonspeller::markeduptext($message);	$message=&Apache::lonspeller::markeduptext($message);
$message=&Apache::lontexconvert::msgtexconverted($message);	$message=&Apache::lontexconvert::msgtexconverted($message);
my $subject=&clear_out_html($env{'form.subject'},undef,1);	my $subject=&clear_out_html($env{'form.subject'});
$subject=~s/\n/\<br \/\>/g;	$subject=~s/\n/\<br \/\>/g;
$subject=&Apache::lontexconvert::msgtexconverted($subject);	$subject=&Apache::lontexconvert::msgtexconverted($subject);

Line 2903 sub show_preview {	Line 3402 sub show_preview {
);	);
}	}

	sub contains_block_html {
	my ($message)=@_;
	return ($message =~ m{
	<(br\|h1\|h2\|h3\|h4\|h5\|h6\|p\|ol\|ul\|table\|pre\|address\|blockquote\|center\|div)
	\s*
	(\w+\=['"]\w+['"])*
	\s*
	(
	\s*/>\|
	>.</\1\s>
	)}xs
	);
	}

	sub tidy_html {
	my ($message)=@_;
	# my $tidy = HTML::Tidy::libXML->new();
	# my $xhtml = $tidy->clean($message, 'utf-8', 1);
	# $xhtml =~ m/<body>(.*)<\/body>/is;
	# my $clean = $1;
	# # remove any empty block-level tags
	# $clean =~ s/<(table\|p\|div\|tbody\|blockquote\|m\|pre\|algebra\|center\|ol\|ul\|span\|h1\|h2\|h3\|h4\|h5\|h6)\s*\/>//i;
	# $message=$clean;
	return $message;
	}

sub newline_to_br {	sub newline_to_br {
my ($message)=@_;	my ($message)=@_;
Line 2933 sub generate_preview_button {	Line 3457 sub generate_preview_button {
return(<<ENDPREVIEW);	return(<<ENDPREVIEW);
<br />	<br />
<form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">	<form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
<input type="hidden" name="subject">	<input type="hidden" name="subject" />
<input type="hidden" name="comment" />	<input type="hidden" name="comment" />
<input type="button" value="$pre"	<input type="button" value="$pre"
onClick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />	onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
</form>	</form>
ENDPREVIEW	ENDPREVIEW
}	}
Line 2947 sub modify_attachments {	Line 3471 sub modify_attachments {

my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'subj' => 'Subject',	'subj' => 'Subject',
'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
'chth' => 'Check the checkboxes for any you wish to remove.',	'chth' => 'Check the checkboxes for any you wish to remove.',
'thef' => 'The following attachments have been uploaded for inclusion with this posting.',	'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
'adda' => 'Add a new attachment to this post.',	'adda' => 'Add a new attachment to this post',
'stch' => 'Save Changes',	'stch' => 'Save Changes',
	'clic' => 'Add/remove attachments',
);	);
my $js = <<END;	my $js = <<END;
<script type="text/javascript">	<script type="text/javascript">
Line 2962 sub modify_attachments {	Line 3486 sub modify_attachments {
</script>	</script>
END	END

	# Breadcrumbs
	my $brcrum = [{'href' => '',
	'text' => 'Discussion Post Attachments'}];
	my %parms=('only_body' => 1);
	if ($env{'form.modal'} ne 'yes') { $parms{'bread_crumbs'} = $brcrum; }

my $start_page =	my $start_page =
&Apache::loncommon::start_page('Discussion Post Attachments',$js);	&Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms);

my $orig_subject = &unescape($env{'form.subject'});	my $orig_subject = &unescape($env{'form.subject'});
my $subject=&clear_out_html($orig_subject,undef,1);	my $subject=&clear_out_html($orig_subject);
$subject=~s/\n/\<br \/\>/g;	$subject=~s/\n/\<br \/\>/g;
$subject=&Apache::lontexconvert::msgtexconverted($subject);	$subject=&Apache::lontexconvert::msgtexconverted($subject);
my $timestamp=$env{'form.timestamp'};	my $timestamp=$env{'form.timestamp'};
Line 2987 END	Line 3517 END
$start_page	$start_page
$toolarge	$toolarge
<form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">	<form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
<br />
<table class="LC_data_table">	<h1>$lt{'clic'}</h1>
<tr>
<td colspan="2">
<b>Subject:</b> $subject</b><br /><br />
END	END
if ($idx) {	$r->print(&Apache::lonhtmlcommon::start_pick_box());
if ($attachmenturls) {	$r->print(&Apache::lonhtmlcommon::row_title(&mt('Subject')));
my @currold = keys(%currattach);	$r->print('<b>'.$subject.'</b>');
if (@currold > 0) {	$r->print(&Apache::lonhtmlcommon::row_closure());
$r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");	$r->print(&Apache::lonhtmlcommon::row_title($lt{'adda'}));
foreach my $id (@currold) {	$r->print('<input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> '.$attachmaxtext);
my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});	if(($idx)\|\|(ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)){
$attachurl =~ m#/([^/]+)$#;	$r->print(&Apache::lonhtmlcommon::row_closure());
$r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");	$r->print(&Apache::lonhtmlcommon::row_title(&mt('Attachments')));
	if ($idx) {
	if ($attachmenturls) {
	my @currold = keys(%currattach);
	if (@currold > 0) {
	$r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
	foreach my $id (@currold) {
	my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
	$attachurl =~ m#/([^/]+)$#;
	$r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
	}
	$r->print("<br />");
}	}
$r->print("<br />");
}	}
}	}
}	if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {	$r->print($lt{'chth'}.'<br />'."\n");
$r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");	foreach my $attach (@{$currnewattach}) {
foreach my $attach (@{$currnewattach}) {	$attach =~ m#/([^/]+)$#;
$attach =~ m#/([^/]+)$#;	$r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
$r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");	}
}	}
$r->print("<br />");
}	}
	$r->print(&Apache::lonhtmlcommon::row_closure(1));
	$r->print(&Apache::lonhtmlcommon::end_pick_box());
$r->print(<<END);	$r->print(<<END);
</td></tr>
<tr>
<td>
$lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
</td>
</tr>
<tr>
<td colspan="2">$attachmaxtext</td>
</tr>
</table>
<input type="hidden" name="subject" value="$env{'form.subject'}" />	<input type="hidden" name="subject" value="$env{'form.subject'}" />
<input type="hidden" name="comment" value="$env{'form.comment'}" />	<input type="hidden" name="comment" value="$env{'form.comment'}" />
<input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />	<input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
Line 3042 END	Line 3570 END
$r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");	$r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
}	}
$r->print(<<END);	$r->print(<<END);
<input type="button" name="rtntoedit" value="$lt{'stch'}" onClick="setAction()"/>	<input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
</form>	</form>
$end_page	$end_page
END	END
Line 3083 sub generate_attachments_button {	Line 3611 sub generate_attachments_button {
my $origpage = $ENV{'REQUEST_URI'};	my $origpage = $ENV{'REQUEST_URI'};
my $att=$attachnum.' '.&mt("attachments");	my $att=$attachnum.' '.&mt("attachments");
my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'clic' => 'Click to add/remove attachments',	'clic' => 'Add/remove attachments',
);	);
my $response = (<<END);	my $response = (<<END);
<br />	<br />
<form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">	<form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
$lt{'clic'}: <input type="button" value="$att"	<input type="button" value="$lt{'clic'}"
onClick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=escape(document.mailform.comment.value);this.form.subject.value=escape(document.mailform.subject.value);	onclick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=escape(document.mailform.comment.value);this.form.subject.value=escape(document.mailform.subject.value);
END	END
if (!$blockblog) {	if (!$blockblog) {
$response .= 'setblogvalue();';	$response .= 'setblogvalue();';
Line 3104 this.form.submit();" />	Line 3632 this.form.submit();" />
<input type="hidden" name="timestamp" value="$now" />	<input type="hidden" name="timestamp" value="$now" />
<input type="hidden" name="subject" />	<input type="hidden" name="subject" />
<input type="hidden" name="comment" />	<input type="hidden" name="comment" />
<input type="hidden" name="blog" value = "0" />	<input type="hidden" name="blog" value="0" />
<input type="hidden" name="discuss" value = "0" />	<input type="hidden" name="discuss" value="0" />
<input type="hidden" name="numoldver" value="$numoldver" />	<input type="hidden" name="numoldver" value="$numoldver" />
ENDATTACH	ENDATTACH
if (defined($deloldattach)) {	if (defined($deloldattach)) {
Line 3234 sub construct_attachmenturl {	Line 3762 sub construct_attachmenturl {
}	}

sub add_blog_checkbox {	sub add_blog_checkbox {
my ($checkstatus);	my ($crstype) = @_;
	my $checkstatus;
if ($env{'form.blog'}) {	if ($env{'form.blog'}) {
$checkstatus = 'checked="checked"';	$checkstatus = 'checked="checked"';
}	}
Line 3248 function setblogvalue() {	Line 3777 function setblogvalue() {
}	}
}	}
</script><br />	</script><br />
<label><input type="checkbox" name="blog" '.$checkstatus.' /> '.	<label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
&mt('Add to my public course blog').'</label><br />'."\n";	if ($crstype eq 'Community') {
	$output .= &mt('Add to my public community blog');
	} else {
	$output .= &mt('Add to my public course blog');
	}
	$output .= '</label><br />'."\n";
return $output;	return $output;
}	}

Line 3273 sub has_discussion {	Line 3807 sub has_discussion {
}	}

sub sort_filter_names {	sub sort_filter_names {
my ($sort_types,$role_types,$status_types) = @_;	my ($sort_types,$role_types,$status_types,$crstype) = @_;
%{$sort_types} = (	if (ref($sort_types) eq 'HASH') {
	%{$sort_types} = (
ascdate => 'Date order - oldest first',	ascdate => 'Date order - oldest first',
descdate => 'Date order - newest first',	descdate => 'Date order - newest first',
thread => 'Threaded',	thread => 'Threaded',
Line 3282 sub sort_filter_names {	Line 3817 sub sort_filter_names {
username => 'By domain and username',	username => 'By domain and username',
lastfirst => 'By last name, first name'	lastfirst => 'By last name, first name'
);	);
%{$role_types} = (	}
all => 'All roles',	my @courseroles = qw(st in ta ep ad);
st => 'Students',	if ($crstype eq 'Community') {
cc => 'Course Coordinators',	push(@courseroles,'co');
in => 'Instructors',	} else {
ta => 'TAs',	push(@courseroles,'cc');
ep => 'Exam proctors',	}
ad => 'Administrators',	if (ref($role_types) eq 'HASH') {
cr => 'Custom roles'	foreach my $role (@courseroles) {
);	$role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
%{$status_types} = (	}
	$role_types->{'all'} = 'All roles';
	$role_types->{'cr'} = 'Custom role';
	}
	if (ref($status_types) eq 'HASH') {
	%{$status_types} = (
all => 'Roles of any status',	all => 'Roles of any status',
Active => 'Only active roles',	Active => 'Only active roles',
Expired => 'Only past roles',	Expired => 'Only past roles',
Future => 'Only future roles',	Future => 'Only future roles',
);	);
	}
}	}

sub handler {	sub handler {
Line 3311 sub handler {	Line 3852 sub handler {
# --------------------------- Get query string for limited number of parameters	# --------------------------- Get query string for limited number of parameters

&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['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','modal','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 $group = $env{'form.group'};
	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};

my %attachmax = (	my %attachmax = (
text => &mt('(128 KB max size)'),	text => &mt('(128 KB max size)'),
num => 131072,	num => 131072,
);	);
if ($env{'form.editdisc'}) {	if ($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 $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);	my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
my $feedurl=&Apache::lonnet::clutter($url);	my $feedurl=&Apache::lonnet::clutter($url);
Line 3359 sub handler {	Line 3903 sub handler {
&Apache::loncommon::no_cache($r);	&Apache::loncommon::no_cache($r);
$r->send_http_header;	$r->send_http_header;

$r->print(&Apache::loncommon::start_page('Discussion Post Versions'));	# Breadcrumbs
	my $brcrum = [{'href' => '',
	'text' => 'Discussion Post Versions'}];

	my %parms=();
	if ($env{'form.modal'} ne 'yes') { $parms{'bread_crumbs'} = $brcrum; }

	$r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms));

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(/\:\:\:/,$env{'form.allversions'});	my ($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 $ressymb = &wrap_symb($symb);
my $group = $env{'form.group'};
my $seeid;	my $seeid;
if (($group ne '') && (($ressymb =~ m\|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$\|))) {	if (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
if (&check_group_priv($group,'dgp') eq 'ok') {	$seeid = 1;
$seeid = 1;
}
} else {
$seeid = &Apache::lonnet::allowed('rin',$crs);
}	}
	my $seehidden = &can_see_hidden('',$ressymb,$feedurl,$group,$cdom,$cnum);
if ($idx > 0) {	if ($idx > 0) {
my %messages = ();	my %messages = ();
my %subjects = ();	my %subjects = ();
my %attachmsgs = ();	my %attachmsgs = ();
my %allattachments = ();	my %allattachments = ();
my %imsfiles = ();	my %imsfiles = ();
my ($screenname,$plainname);	my ($screenname,$plainname,$showaboutme);
my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},	my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
$env{'course.'.$env{'request.course.id'}.'.domain'},	$cdom,$cnum);
$env{'course.'.$env{'request.course.id'}.'.num'});	$r->print(&get_post_contents(\%contrib,$idx,$seeid,$seehidden,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname,\$showaboutme));
$r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
}	}
$r->print(&Apache::loncommon::end_page());	$r->print(&Apache::loncommon::end_page());
return OK;	return OK;
Line 3442 sub handler {	Line 3981 sub handler {
my $feedurl = '/adm/navmaps';	my $feedurl = '/adm/navmaps';
if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }	if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'mnpa' => 'Marked "New" posts as read in a total of',
'robb' => 'resources/bulletin boards.',
'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'	'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
);	);
foreach my $res (@resources) {	foreach my $res (@resources) {
Line 3452 sub handler {	Line 3989 sub handler {
my $lastkey = $ressymb.'_lastread';	my $lastkey = $ressymb.'_lastread';
$discinfo{$lastkey} = $env{'form.navtime'};	$discinfo{$lastkey} = $env{'form.navtime'};
}	}
my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";	my $textline = '<b>'.
	&mt('Marked "New" posts as read in a total of [_1] resources/bulletin boards.',
	$numitems).
	'</b>';
if ($numitems > 0) {	if ($numitems > 0) {
&Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',	&Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
\%discinfo,$env{'user.domain'},$env{'user.name'});	\%discinfo,$env{'user.domain'},$env{'user.name'});
Line 3463 sub handler {	Line 4003 sub handler {
$r->send_http_header;	$r->send_http_header;
my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');	my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
my %onload;	my %onload;
if ($env{'environment.remote'} ne 'off') {
$onload{'onload'} =
"if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
}

my $start_page=	my $start_page=
&Apache::loncommon::start_page('New posts marked as read',undef,	&Apache::loncommon::start_page('New posts marked as read',undef,
Line 3532 ENDREDIR	Line 4068 ENDREDIR
my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};	my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
my ($symb,$idx)=split(/\:\:\:/,$entry);	my ($symb,$idx)=split(/\:\:\:/,$entry);
($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);	($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
	my $ressymb = &wrap_symb($symb);

my $crs='/'.$env{'request.course.id'};	my $seehidden = &can_see_hidden('',$ressymb,$feedurl,$group,$cdom,$cnum);
if ($env{'request.course.sec'}) {	unless (($seehidden) \|\| (&editing_allowed($env{'form.hide'},$group))) {
$crs.='_'.$env{'request.course.sec'};	&redirect_back($r,$feedurl,&mt('Hiding not permitted').'<br />',
}	'0','0','','',$env{'form.previous'},'','','','',
$crs=~s/\_/\//g;	undef,undef,$group,);
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').'<br />', '0','0','','',$env{'form.previous'},'','','','',
undef,undef,$group,);
return OK;	return OK;
}	}

my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},	my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
$env{'course.'.$env{'request.course.id'}.'.domain'},	$cdom,$cnum);
$env{'course.'.$env{'request.course.id'}.'.num'});

my $currenthidden=$contrib{'hidden'};	my $currenthidden=$contrib{'hidden'};
my $currentstudenthidden=$contrib{'studenthidden'};	my $currentstudenthidden=$contrib{'studenthidden'};

if ($env{'form.hide'}) {	if ($env{'form.hide'}) {
$currenthidden.='.'.$idx.'.';	$currenthidden.='.'.$idx.'.';
unless ($seeid) {	unless ($seehidden) {
$currentstudenthidden.='.'.$idx.'.';	$currentstudenthidden.='.'.$idx.'.';
}	}
} else {	} else {
$currenthidden=~s/\.$idx\.//g;	$currenthidden=~s/\.$idx\.//g;
}	}
my %newhash=('hidden' => $currenthidden);	my %newhash=('hidden' => $currenthidden);
if ( ($env{'form.hide'}) && (!$seeid) ) {	if ( ($env{'form.hide'}) && (!$seehidden) ) {
$newhash{'studenthidden'} = $currentstudenthidden;	$newhash{'studenthidden'} = $currentstudenthidden;
}	}
if ($env{'form.hide'}) {	if ($env{'form.hide'}) {
Line 3571 ENDREDIR	Line 4102 ENDREDIR
($changelast,$newlast) = &get_discussion_info($idx,%contrib);	($changelast,$newlast) = &get_discussion_info($idx,%contrib);
if ($changelast) {	if ($changelast) {
&Apache::lonnet::put('discussiontimes',{$symb => $newlast},	&Apache::lonnet::put('discussiontimes',{$symb => $newlast},
$env{'course.'.$env{'request.course.id'}.'.domain'},	$cdom,$cnum);
$env{'course.'.$env{'request.course.id'}.'.num'});
}	}
}	}
&Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},	my $result;
$env{'course.'.$env{'request.course.id'}.'.domain'},	if (&Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
$env{'course.'.$env{'request.course.id'}.'.num'});	$cdom,$cnum) eq 'ok') {
	my $prefix=$symb.':'.$idx.':';
&redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',	my %likes=&Apache::lonnet::dump('disclikes',$cdom,$cnum,
'0','0','','',$env{'form.previous'},undef,undef,undef,	'^'.$prefix);
	my ($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);

	}
	$result = &mt('Changed discussion status');
	} else {
	$result = &mt('Discussion status unchanged');
	}
	&redirect_back($r,$feedurl,$result.'<br />','0','0','','',
	$env{'form.previous'},undef,undef,undef,
	undef,undef,undef,$group);
	return OK;
	} elsif (($env{'form.like'}) \|\| ($env{'form.unlike'})) {
	# ----------------------------------------------------------------- Like/unlike
	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.':'.$idx.':';
	my %likes=&Apache::lonnet::dump('disclikes',$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 $likescount=$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 $votetype;
	if ($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--;
	}
	}
	# $alreadyflag would be 1 if they tried to double-like or double-unlike
	if ($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,$cdom,$cnum) eq 'ok') {
	# Also store with the person who posted the liked/unliked entry
	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 {
	$result=&mt('Voting unavailable for this discussion');
	}
	} else {
	$result=&mt('Invalid post number');
	}
	&redirect_back($r,$feedurl,$result.'<br />',
	'0','0','','',$env{'form.previous'},undef,undef,undef,
undef,undef,undef,$group);	undef,undef,undef,$group);
return OK;	return OK;
} elsif ($env{'form.cmd'}=~/^(threadedoff\|threadedon)$/) {	} elsif ($env{'form.cmd'}=~/^(threadedoff\|threadedon)$/) {
my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});	my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
if ($env{'form.cmd'} eq 'threadedon') {	if ($env{'form.cmd'} eq 'threadedoff') {
	&Apache::lonnet::put('environment',{'unthreadeddiscussion' => 'on'});
	&Apache::lonnet::appenv({'environment.unthreadeddiscussion' => 'on'});
	&Apache::lonnet::del('environment',['threadeddiscussion']);
	&Apache::lonnet::delenv('environment.threadeddiscussion');
	} else {
&Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});	&Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
&Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});	&Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
} else {	&Apache::lonnet::del('environment',['unthreadeddiscussion']);
&Apache::lonnet::del('environment',['threadeddiscussion']);	&Apache::lonnet::delenv('environment.unthreadeddiscussion');
&Apache::lonnet::delenv('environment.threadeddiscussion');
}	}
&redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',	&redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
'0','0','','',$env{'form.previous'},undef,undef,undef,	'0','0','','',$env{'form.previous'},undef,undef,undef,
Line 3600 ENDREDIR	Line 4314 ENDREDIR
# --------------------------------------------------------------- Hide for good	# --------------------------------------------------------------- Hide for good
my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});	my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);	($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,$feedurl,&mt('Deletion not permitted').'<br />',
	'0','0','','',$env{'form.previous'},'','','','',
	undef,undef,$group);
	return OK;
	}
my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},	my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
$env{'course.'.$env{'request.course.id'}.'.domain'},	$cdom,$cnum);
$env{'course.'.$env{'request.course.id'}.'.num'});
my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);	my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
if ($changelast) {	if ($changelast) {
&Apache::lonnet::put('discussiontimes',{$symb => $newlast},	&Apache::lonnet::put('discussiontimes',{$symb => $newlast},
$env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});	$cdom,$cnum);
}	}
my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");	my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
&Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
$env{'course.'.$env{'request.course.id'}.'.domain'},	my $result;
$env{'course.'.$env{'request.course.id'}.'.num'});	if (&Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
&redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',	$cdom,$cnum) eq 'ok') {
'0','0','','',$env{'form.previous'},undef,undef,undef,	$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.'<br />','0','0','','',
	$env{'form.previous'},undef,undef,undef,
undef,undef,undef,$group);	undef,undef,undef,$group);
return OK;	return OK;
} elsif ($env{'form.preview'}) {	} elsif ($env{'form.preview'}) {
Line 3641 ENDREDIR	Line 4386 ENDREDIR
my $idx = $env{'form.idx'};	my $idx = $env{'form.idx'};
if ($idx) {	if ($idx) {
my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},	my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
$env{'course.'.$env{'request.course.id'}.'.domain'},	$cdom,$cnum);
$env{'course.'.$env{'request.course.id'}.'.num'});
$attachmenturls = $contrib{$idx.':attachmenturl'};	$attachmenturls = $contrib{$idx.':attachmenturl'};
}	}
&modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,	&modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
Line 3655 ENDREDIR	Line 4399 ENDREDIR
my $mode='board';	my $mode='board';
my $status='OPEN';	my $status='OPEN';
my $previous=$env{'form.previous'};	my $previous=$env{'form.previous'};
if ($feedurl =~ /\.(problem\|exam\|quiz\|assess\|survey\|form\|library\|task)$/) {	if ($feedurl =~ /$LONCAPA::assess_re/) {
$mode='problem';	$mode='problem';
$status=$Apache::inputtags::status[-1];	$status=$Apache::inputtags::status[-1];
}	}

my $discussion = &list_discussion($mode,$status,$symb);	my $discussion = &list_discussion($mode,$status,$symb);
my $start_page =	my $start_page =
&Apache::loncommon::start_page('Resource Feedback and Discussion');	&Apache::loncommon::start_page('Resource Feedback and Discussion');
Line 3666 ENDREDIR	Line 4411 ENDREDIR
&Apache::loncommon::end_page();	&Apache::loncommon::end_page();
$r->print($start_page.$discussion.$end_page);	$r->print($start_page.$discussion.$end_page);
return OK;	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/^\.//;
	$contrib{'deleted'} =~ s/\.$//;
	my $confirm_msg;
	if ($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');
	}
	$confirm_msg = &Apache::lonhtmlcommon::confirm_success(&mt("Undeleted all entries"));
	} else {
	$confirm_msg = &Apache::lonhtmlcommon::confirm_success(&mt("Failed to undelete entries"),1);
	}
	} else {
	$confirm_msg = &Apache::lonhtmlcommon::confirm_success(&mt("No entries to undelete"),1);
	}
	$r->print(
	'<br />'
	.&Apache::loncommon::confirmwrapper($confirm_msg)
	.&Apache::lonhtmlcommon::actionbox(
	["<a href='$feedurl'>".&mt("Return and reload")."</a>"])
	);
	}
	$r->print(&Apache::loncommon::end_page());
	return OK;
} else {	} else {
# ------------------------------------------------------------- Normal feedback	# ------------------------------------------------------------- Normal feedback
my $feedurl=$env{'form.postdata'};	my $feedurl=$env{'form.postdata'};
Line 3681 ENDREDIR	Line 4482 ENDREDIR
$symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];	$symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
} elsif ($env{'form.origpage'}) {	} elsif ($env{'form.origpage'}) {
$symb="";	$symb="";
	} elsif ($env{'form.sendmessageonly'}) {
	$symb=(split(/\:\:\:/,$env{'form.sendmessageonly'}))[0];
} else {	} else {
$symb=&Apache::lonnet::symbread($feedurl);	$symb=&Apache::lonnet::symbread($feedurl);
}	}
Line 3695 ENDREDIR	Line 4498 ENDREDIR
&dewrapper(\$feedurl);	&dewrapper(\$feedurl);
}	}
my $goahead=1;	my $goahead=1;
if ($feedurl=~/\.(problem\|exam\|quiz\|assess\|survey\|form\|task)$/) {	if ($feedurl=~/$LONCAPA::assess_re/) {
unless ($symb) { $goahead=0; }	unless ($symb) { $goahead=0; }
}	}
if (!$goahead) {	if (!$goahead) {
Line 3733 ENDREDIR	Line 4536 ENDREDIR
return OK;	return OK;
}	}
}	}
my $options=&screen_header($feedurl,$symb);	my $options=&screen_header($feedurl,$symb,$group);
if ($options) {	if ($options) {
&mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});	&mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
} else {	} else {
Line 3789 ENDREDIR	Line 4592 ENDREDIR
}	}
}	}
# Filter HTML out of message (could be nasty)	# Filter HTML out of message (could be nasty)
my $message=&clear_out_html($env{'form.comment'});	my $override;
	if ($env{'form.discuss'} =~ /^(?:author\|question\|course\|policy)$/) {
	$override = 1;
	}
	my $message=&clear_out_html($env{'form.comment'},$override);

# Assemble email	# Assemble email
my ($email,$citations)=&assemble_email($message,$prevattempts,	my ($email,$citations)=&assemble_email($message,$prevattempts,
Line 3799 ENDREDIR	Line 4606 ENDREDIR
my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);	my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);

# Actually send mail	# Actually send mail
my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},	my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}),
undef,1),
$feedurl,$email,$citations,	$feedurl,$email,$citations,
$attachmenturl,$usersymb,%to);	$attachmenturl,$usersymb,%to);

Line 3809 ENDREDIR	Line 4615 ENDREDIR
if ( ($env{'form.discuss'} ne ''	if ( ($env{'form.discuss'} ne ''
&& $env{'form.discuss'} !~ /^(?:author\|question\|course\|policy)/)	&& $env{'form.discuss'} !~ /^(?:author\|question\|course\|policy)/)
\|\| $env{'form.anondiscuss'} ne '') {	\|\| $env{'form.anondiscuss'} ne '') {
my $subject = &clear_out_html($env{'form.subject'},undef,1);	my $subject = &clear_out_html($env{'form.subject'});
my $anonmode=($env{'form.discuss'} eq 'anon' \|\| $env{'form.anondiscuss'} );	my $anonmode=($env{'form.discuss'} eq 'anon' \|\| $env{'form.anondiscuss'} );
$typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,	$typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
$subject);	$subject,$group);
$numpost++;	$numpost++;
}	}

Line 3820 ENDREDIR	Line 4626 ENDREDIR

my $blog='';	my $blog='';
if ($env{'form.blog'}) {	if ($env{'form.blog'}) {
my $subject = &clear_out_html($env{'form.subject'},undef,1);	my $subject = &clear_out_html($env{'form.subject'});
$status.=&Apache::lonrss::addentry($env{'user.name'},	$status.=&Apache::lonrss::addentry($env{'user.name'},
$env{'user.domain'},	$env{'user.domain'},
'CourseBlog_'.$env{'request.course.id'},	'CourseBlog_'.$env{'request.course.id'},
$subject,$message,$feedurl,'public');	$subject,$message,$feedurl,'public');
$blog='<br />'.&mt('Added to my course blog').'<br />';	if (&Apache::loncommon::course_type() eq 'Community') {
	$blog='<br />'.&mt('Added to my community blog').'<br />';
	} else {
	$blog='<br />'.&mt('Added to my course blog').'<br />';
	}
}	}

# Receipt screen and redirect back to where came from	# Receipt screen and redirect back to where came from
Line 3852 sub wrap_symb {	Line 4662 sub wrap_symb {
}	}
return $ressymb;	return $ressymb;
}	}

sub dewrapper {	sub dewrapper {
my ($feedurl)=@_;	my ($feedurl)=@_;
if ($$feedurl=~m\|^/adm/wrapper/adm/.*/bulletinboard$\|) {	if ($$feedurl=~m\|^/adm/wrapper/adm/.*/bulletinboard$\|) {
Line 3974 sub get_resource_title {	Line 4785 sub get_resource_title {

1;	1;
__END__	__END__


	=pod

	=head1 NAME

	Apache::lonfeedback.pm

	=head1 SYNOPSIS

	Handles feedback from students to instructors and system administrators.

	Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.

	Used by lonmsg.pm.

	This is part of the LearningOnline Network with CAPA project
	described at http://www.lon-capa.org.

	=head1 OVERVIEW

	None

	=head1 SUBROUTINES

	=over

	=item discussion_open()

	=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()

	=item action_links_bar()

	=item postingform_display()

	=item build_posting_display

	=item filter_regexp()

	=item get_post_contents()

	=item replicate_attachments()

	=item mail_screen()

	=item print_display_options()

	=item print_sortfilter_options()

	=item print_showposters()

	=item get_post_versions()

	=item get_post_attachments()

	=item fail_redirect()

	=item redirect_back()

	=item no_redirect_back()

	=item screen_header()

	=item resource_output()

	=item clear_out_html()

	=item assemble_email()

	=item feedback_available()

	=item send_msg()

	=item adddiscuss()

	=item get_discussion_info()

	=item show_preview()

	=item newline_to_br()

	=item tidy_html()

	=item generate_preview_button()

	=item modify_attachments()

	=item process_attachments()

	=item generate_attachments_button()

	=item extract_attachments()

	=item construct_attachmenturl()

	=item add_blog_checkbox()

	=item has_discussion()

	=item sort_filter_names()

	=item handler()

	=item blocked_reply_or_edit()

	=item wrap_symb()

	=item dewrapper()

	=item get_feedurl()

	=item get_feedurl_and_clean_symb()

	=item editing_allowed()

	=item check_group_priv()

	=item group_args()

	=item get_resource_title()

	=back

	=cut

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.

Removed from v.1.255.2.8
changed lines
	Added in v.1.365