#
# $Id: lonwhatsnew.pm,v 1.71 2007/05/02 01:33:49 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
package Apache::lonwhatsnew;
use strict;
use lib qw(/home/httpd/lib/perl);
use Apache::lonnet;
use Apache::loncommon();
use Apache::lonhtmlcommon();
use Apache::lonlocal;
use Apache::loncoursedata();
use Apache::lonnavmaps();
use Apache::lonuserstate;
use Apache::Constants qw(:common :http);
use Time::Local;
use GDBM_File;
use lib '/home/httpd/lib/perl/';
use LONCAPA;
#----------------------------
# handler
#
#----------------------------
sub handler {
my $r = shift;
if ($r->header_only) {
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
return OK;
}
&Apache::loncommon::get_unprocessed_cgi(
$ENV{'QUERY_STRING'},['command','refpage']);
my $command = $env{'form.command'};
my $refpage = $env{'form.refpage'};
my %checkallowed = ( coursenormalmail => 1,
coursecritmail => 1, );
foreach my $perm_check (['whn','whatsnew',1],
['pch','coursediscussion',1],
['mgr','handgrading',1],
['vgr','abovethreshold',1],
['opa','haserrors',1],
['mdc','versionchanges',0],
) {
my ($perm,$key,$check_section) = @{ $perm_check };
my $scope = $env{'request.course.id'};
if (!($checkallowed{$key} = &Apache::lonnet::allowed($perm,$scope))) {
$scope .= '/'.$env{'request.course.sec'};
if ( $check_section ) {
$checkallowed{$key} = &Apache::lonnet::allowed($perm,$scope);
}
if ($checkallowed{$key}) {
$checkallowed{$key.'_section'} = $env{'request.course.sec'};
}
}
}
if ( ! $env{'request.course.fn'} || ! $checkallowed{'whatsnew'}) {
# Not in a course, or no whn priv in course
$env{'user.error.msg'}="/adm/whatsnew::whn:0:0:Cannot display what's new page";
return HTTP_NOT_ACCEPTABLE;
}
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
$r->print(&display_header($command,\%checkallowed));
&Apache::lonhtmlcommon::clear_breadcrumbs();
&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/whatsnew',
text=>"Display Action Items"});
if (($command eq 'chgthreshold') && $checkallowed{'abovethreshold'}) {
&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/whatsnew?command=chgthreshold&refpage='.$refpage,
text=>"Change thresholds"});
$r->print(&Apache::lonhtmlcommon::breadcrumbs
("What's New?",#'Course_Action_Items_Thresholds'
));
} elsif (($command eq 'chginterval') && $checkallowed{'versionchanges'} ) {
&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/whatsnew?command=chginterval&refpage='.$refpage,
text=>"Change interval"});
$r->print(&Apache::lonhtmlcommon::breadcrumbs
("What's New?",#'Course_Action_Items_Intervals'
));
} elsif (($command eq 'chgdisc') && $checkallowed{'coursediscussion'}) {
&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/whatsnew?command=chgdisc&refpage='.$refpage,
text=>"Change discussion display"});
$r->print(&Apache::lonhtmlcommon::breadcrumbs
("What's New?",#'Course_Action_Items_Intervals'
));
} elsif ($command eq 'courseinit') {
&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/whatsnew?command=courseinit&refpage='.$refpage,
text=>"Course initialization preference"});
$r->print(&Apache::lonhtmlcommon::breadcrumbs
("What's New?",#'Course_Action_Items_Initialization'
));
} else {
$r->print(&Apache::lonhtmlcommon::breadcrumbs
("What's New?",#'Course_Action_Items_Display'
));
}
&display_main_box($r,$command,$refpage,\%checkallowed);
return OK;
}
#------------------------------
# display_main_box
#
# Display all the elements within the main box
#------------------------------
sub display_main_box {
my ($r,$command,$refpage,$checkallowed) = @_;
my $domain=&Apache::loncommon::determinedomain();
my $function = &Apache::loncommon::get_users_function();
my $lctype = lc(&Apache::loncommon::course_type());
$r->print('<table width="100%" border="0" cellpadding="5" cellspacing="0"><tr><td width="100%">');
my %threshold_titles = &Apache::lonlocal::texthash (
av_attempts => 'Average number of attempts',
degdiff => 'Degree of difficulty',
numstudents => 'Total number of students with submissions',
);
my %interval_titles = &Apache::lonlocal::texthash (
-1 => "since start of $lctype",
2592000 => 'since last month',
604800 => 'since last week',
86400 => 'since yesterday',
);
my %initpage = &Apache::lonlocal::texthash (
firstres => "first resource in the $lctype",
whatsnew => "what's new? page",
userpref => 'your general user preferences',
coursespecific => "specific setting for this $lctype",
);
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
if (($command eq 'chgthreshold')
&& $checkallowed->{'abovethreshold'}) {
&display_threshold_config($r,$refpage,\%threshold_titles,
$cdom,$crs);
} elsif (($command eq 'chginterval')
&& $checkallowed->{'versionchanges'}) {
&display_interval_config($r,$refpage,\%interval_titles);
} elsif (($command eq 'chgdisc')
&& $checkallowed->{'coursediscussion'}) {
&display_discussion_config($r,$refpage);
} elsif ($command eq 'courseinit') {
&courseinit_config($r,$refpage,\%initpage);
} else {
&display_actions_box($r,$command,$refpage,\%threshold_titles,
\%interval_titles,\%initpage,$cdom,$crs,$checkallowed);
}
my $end_page = &Apache::loncommon::end_page();
$r->print(<<END_OF_BLOCK);
</td>
</tr>
</table><br />
$end_page
END_OF_BLOCK
}
#-------------------------------
# display_header
#
# Display the header information and set
# up the HTML
#-------------------------------
sub display_header {
my ($command,$checkallowed) = @_;
my $scripttag;
unless ($command eq 'chgthreshold' || $command eq 'chginterval') {
$scripttag = <<"END";
<script type="text/javascript">
function change_display(caller,change) {
caller.value = change;
document.visible.submit();
}
function changeAll(change) {
END
foreach my $item (keys(%{$checkallowed})) {
if ($item =~ /_section$/) { next; }
if ($$checkallowed{$item}) {
$scripttag.='document.visible.display_'.$item.'.value=change'.
"\n";
}
}
$scripttag.='document.visible.submit();
}
</script>
';
}
my $course_type=&Apache::loncommon::course_type();
return &Apache::loncommon::start_page($course_type.' Action Items',
$scripttag);
}
#-------------------------------
# display_actions_box
#
# Display the action items
#
#-------------------------------
sub display_actions_box {
my ($r,$command,$refpage,$threshold_titles,$interval_titles,$initpage,
$cdom,$crs,$checkallowed) = @_;
my $udom = $env{'user.domain'};
my $uname = $env{'user.name'};
my $cid = $env{'request.course.id'};
my $crstype = &Apache::loncommon::course_type();
my $lctype = lc($crstype);
my %stulabel = (
'Course' => 'students',
'Group' => 'members',
);
my %lt = &Apache::lonlocal::texthash(
'yacc' => 'You are accessing an invalid course',
'gtfr' => 'Go to first resource',
'hial' => 'Hide all',
'shal' => 'Show all',
);
my %unread = ();
my %ungraded = ();
my %bombed = ();
my %triggered = ();
my %changed = ();
my @newmsgs = ();
my @critmsgs = ();
my @newdiscussions = ();
my @tograde = ();
my @bombs = ();
my @warnings = ();
my $msgcount = 0;
my $critmsgcount = 0;
my %res_title = ();
my %show = ();
my $needitems = 0;
my $boxcount = 0;
my $result;
if ($command eq 'newcourseinit') {
$result = &store_courseinit_setting($uname,$udom,$cid,$initpage);
}
my %threshold = ();
my %pagedesc = &Apache::lonlocal::texthash (
firstres => 'First resource',
whatsnew => "What's New? page",
userpref => 'user preference',
coursespecific => $lctype.' only',
default => 'default',
);
my ($initcontrol,$initdisp) = &curr_courseinit();
my $currinit = $pagedesc{$initdisp}.' ('.$pagedesc{$initcontrol}.')';
unless ($cid) {
$r->print('<br /><b><center>'.$lt{'yacc'}.'</center></b><br /><br />');
return;
}
if ($refpage eq 'start') {
if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
&GDBM_READER(),0640)) {
my $furl=$bighash{'first_url'};
untie(%bighash);
$r->print('<font size="+1"><a href="'.$furl.'">'.$lt{'gtfr'}.
'</a></font><br />');
}
}
$r->print(&mt('Page set to be displayed after you have selected a role in this '.$lctype).
'. <nobr>'.&mt('Currently: <i>[_1]</i>',$currinit).'. '.
&mt('<b>Change</b> for just <a href="/adm/whatsnew?command=courseinit&refpage=[_1]">this '.$lctype.'</a>',$refpage).' '.
&mt('or for all <a href="/adm/preferences?action=changecourseinit&refpage=[_1]">your courses</a>.',$refpage).'</nobr><br /><hr />');
if ($command eq 'reset') {
$result = &process_reset($cdom,$crs);
} elsif ($command eq 'update') {
$result = &process_update($uname,$udom,$threshold_titles);
} elsif ($command eq 'newinterval') {
$result = &store_interval_setting($uname,$udom,$cid,$interval_titles);
} elsif ($command eq 'newdiscconf') {
$result = &store_discussion_setting($uname,$udom,$cid);
}
my $store_result=&store_display_settings($uname,$udom,$cid,$checkallowed);
unless ($store_result eq 'ok') {
&Apache::lonnet::logthis('Error saving whatsnew settings: '.
$store_result.' for '.'user '.$uname.':'.$udom.' in '.$lctype.' '.$cid);
$result .= &mt('Unable to save visibility settings due to [_1]',
$store_result);
}
if ($result) {
$r->print($result.'<hr width="100%" />');
}
$r->rflush();
my %display_settings = &get_display_settings($uname,$udom,$cid);
my $timediff = $display_settings{$cid.':interval'};
unless (defined($timediff)) { $timediff = 604800; }
my $now = time;
my $interval = $$interval_titles{$timediff};
if ($timediff == -1) {
$timediff = time;
}
my $starttime = $now - $timediff;
my $countunread = $display_settings{$cid.':countunread'};
unless (defined($countunread)) {
$countunread = 'on';
}
my %headings = &Apache::lonlocal::texthash(
coursediscussion => 'Unread '.$lctype.' discussion posts',
handgrading => 'Problems requiring handgrading',
haserrors => 'Problems with errors',
versionchanges => 'Resources in '.$lctype.' with version changes '.$interval,
coursenormalmail => 'New '.$lctype.' messages',
coursecritmail => 'New critical messages in '.$lctype,
);
if ($$checkallowed{'abovethreshold'}) {
&get_curr_thresholds(\%threshold,$uname,$udom,$cid,$cdom,$crs);
}
$headings{'abovethreshold'} =
&mt('Problems with av. attempts ≥ [_1] or deg. difficulty ≥ [_2] <br /> and total number of '.$stulabel{$crstype}.' with submissions ≥ [_3]',
$threshold{'av_attempts'},$threshold{'degdiff'},
$threshold{'numstudents'});
my @actionorder = ('handgrading','haserrors','abovethreshold','versionchanges','coursediscussion','coursenormalmail','coursecritmail');
foreach my $key (keys(%{$checkallowed})) {
if ($key =~ /_section$/) { next; }
$show{$key} = 0;
if ($$checkallowed{$key}) {
unless ($display_settings{$cid.':'.$key} eq 'hide') {
$show{$key} = 1;
}
}
}
foreach my $item (@actionorder) {
unless ($item eq 'coursenormalmail' || $item eq 'coursecritmail') {
if ($show{$item}) {
$needitems = 1;
last;
}
}
}
if ($needitems) {
&getitems(\%unread,\%ungraded,\%bombed,\%triggered,\%changed,\@newdiscussions,\@tograde,\@bombs,\@warnings,\%threshold,$cdom,$crs,\%res_title,\%show,$starttime,$countunread);
}
if ($show{'coursenormalmail'}) {
$msgcount = &getnormalmail(\@newmsgs);
}
if ($show{'coursecritmail'}) {
$critmsgcount = &getcritmail(\@critmsgs);
}
$r->print(qq|<a href="javascript:changeAll('hide');">$lt{'hial'}</a>
<a href="javascript:changeAll('show');">$lt{'shal'}</a>
<form method="post" name="visible" action="/adm/whatsnew">\n|);
foreach my $item (keys(%{$checkallowed})) {
if ($item =~ /_section$/) { next; }
if ($$checkallowed{$item}) {
$r->print('<input type="hidden" name="display_'.$item.'" />'."\n");
}
}
$r->print('<input type="hidden" name="refpage" value="'.$refpage.'"></form><br /><table border="0" width="100%" cellpadding="2" cellspacing="4"><tr><td align="left" valign="top" width="45%">');
my $displayed = 0;
my $totalboxes = 0;
foreach my $key (keys(%{$checkallowed})) {
if ($key =~ /_section$/) { next; }
if ($key eq 'whatsnew' ) { next; } # whatsnew check creates no box
if ($$checkallowed{$key}) {
$totalboxes ++;
}
}
my $halfway = int($totalboxes/2) + $totalboxes%2;
foreach my $actionitem (@actionorder) {
if ($$checkallowed{$actionitem}) {
if ($displayed == $halfway) {
$r->print('</td><td width="6%"> </td><td align="left" valign="top" width="47%">');
}
&display_launcher($r,$actionitem,$refpage,$checkallowed,\%show,\%headings,\%res_title,\@tograde,\%ungraded,\@bombs,\%bombed,\%changed,\@warnings,\%triggered,\@newdiscussions,\%unread,$msgcount,\@newmsgs,$critmsgcount,\@critmsgs,$interval,$countunread);
$displayed ++;
}
}
$r->print('
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>');
}
#-------------------------------
# display_threshold_config
#
# Display the threshold setting screen
#
#-------------------------------
sub display_threshold_config {
my ($r,$refpage,$threshold_titles,$cdom,$crs) = @_;
my $uname = $env{'user.name'};
my $udom = $env{'user.dom'};
my $cid = $env{'request.course.id'};
my %threshold = ();
my $rowColor1 = "#ffffff";
my $rowColor2 = "#eeeeee";
my $rowColor;
my @thresholditems = ("av_attempts","degdiff","numstudents");
my %threshold_titles = &Apache::lonlocal::texthash(
av_attempts => 'Average number of attempts',
degdiff => 'Degree of difficulty',
numstudents => 'Total number of students with submissions',
);
&get_curr_thresholds(\%threshold,$uname,$udom,$cid,$cdom,$crs);
$r->print('<br /><form name="thresholdform" method="post" action="/adm/whatsnew">'.
&Apache::loncommon::start_data_table().
&Apache::loncommon::start_data_table_header_row().
'<th>'.&mt('Threshold Name').'</th>'."\n".
'<th>'.&mt('Current value').'</th>'."\n".
'<th>'.&mt('Change?').'</th>'."\n".
&Apache::loncommon::end_data_table_header_row());
foreach my $type (@thresholditems) {
my $parameter = $env{'request.course.id'}.':threshold_'.$type;
# onchange is javascript to automatically check the 'Set' button.
my $onchange = 'onFocus="javascript:window.document.forms'.
"['thresholdform'].elements['".$parameter."_setparmval']".
'.checked=true;"';
$r->print(&Apache::loncommon::start_data_table_row()."\n".
'<td>'.$threshold_titles{$type}.'</td>'."\n".
'<td>'.&Apache::lonhtmlcommon::textbox($parameter.'_value',
$threshold{$type},
10,$onchange).'</td>'."\n".
'<td>'.
&Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
'</td>'."\n".
&Apache::loncommon::end_data_table_row());
}
$r->print(&Apache::loncommon::end_data_table()."\n".
'<br /><input type="submit" name="threshold" value="Make changes" />
<input type="hidden" name="command" value="update" />
<input type="hidden" name="refpage" value="'.$refpage.'" />
</form>');
}
#-------------------------------
# display_interval_config
#
# Display the interval setting screen
#
#-------------------------------
sub display_interval_config {
my ($r,$refpage,$interval_titles) = @_;
my $lctype = lc(&Apache::loncommon::course_type());
my $current = &get_current($env{'user.name'},$env{'user.domain'},
$env{'request.course.id'},'interval');
$r->print('<br />'.&mt('Choose the time window to use for display of version changes for resources in the '.$lctype.'.'));
unless ($current eq '') {
$r->print(' '.&mt('Current value is [_1]','<b>'.
$$interval_titles{$current}.'</b>.'));
}
$r->print('<br /><br />
<form method="post" name="intervalswitch" action="/adm/whatsnew">
<input type="hidden" name="command" value="newinterval" />
<input type="hidden" name="refpage" value="'.$refpage.'" />
<select name="interval">
');
foreach my $key (reverse sort ({$a cmp $b} (keys(%{$interval_titles})))) {
$r->print('<option value="'.$key.'">'.&mt('Version changes').' '.$$interval_titles{$key}.
'</option>'."\n");
}
$r->print('</select>
<input type="submit" name="display" value="'.
&mt('Change interval').'" /></form>');
return;
}
#----------------------------------------------
# display_discussion_config
#
# Display the discussion display setting screen
#
#----------------------------------------------
sub display_discussion_config {
my ($r,$refpage) = @_;
my $current = &get_current($env{'user.name'},$env{'user.domain'},
$env{'request.course.id'},'countunread');
if ($current eq '') {
$current = 'on';
}
my %opposite = (
'on' => 'off',
'off' => 'on',
);
$r->print('<script type="text/javascript">
function toggle_countunread(choice) {
if (choice == "unchanged") {
document.discussionswitch.command.value = "";
}
document.discussionswitch.submit();
}
</script>');
$r->print('<br />'.&mt('Choose whether or not to display a count of the number of new posts for each resource or bulletin board which has unread posts.').'<br />'.&mt("This can increase the time taken to gather data for the '<i>What's New?</i>' page by a few seconds.").' '.&mt("Currently set to <b>$current</b>."));
$r->print('<br /><br />
<form method="post" name="discussionswitch" action="/adm/whatsnew">
<input type="hidden" name="command" value="newdiscconf" />
<input type="hidden" name="refpage" value="'.$refpage.'" />
<input type="hidden" name="countunread" value="'.$opposite{$current}.'" />
');
$r->print('<br/>
<input type="button" name="display" value="'.
&mt('Change to [_1]',$opposite{$current}).'"
onclick="javascript:toggle_countunread('."'change'".')" />
 
<input type="button" name="nochange" value="'.
&mt("No change").'"
onclick="javascript:toggle_countunread('."'unchanged'".')" />
</form>');
return;
}
#---------------------------------------------------
# courseinit_config
#
# Set page displayed when course loads after
# selecting a role in the course from the roles page.
#
#---------------------------------------------------
sub courseinit_config {
my ($r,$refpage,$initpage) = @_;
my ($control,$current) = &curr_courseinit();
my @chgstate = ('userpref','coursespecific');
my @chgentry = ('firstres','whatsnew');
my $lctype = lc(&Apache::loncommon::course_type());
my %lt = &Apache::lonlocal::texthash(
'chwp' => "Choose which page will be displayed when you enter this $lctype after selecting a role.",
'cuva' => 'Current value is determined by',
'anis' => 'and is set to display',
'padc' => 'Page display controlled by',
'chce' => 'Choose '.$lctype.' entry',
'moce' => 'Modify '.$lctype.' entry',
);
$r->print(<<"END");
<br />$lt{'chwp'}
<br />$lt{'cuva'}: <b>
$$initpage{$control}</b> $lt{'anis'} <b>
$$initpage{$current}</b>.<br /><br />
<form method="post" name="courseinitswitch" action="/adm/whatsnew">
<input type="hidden" name="command" value="newcourseinit" />
<input type="hidden" name="refpage" value="$refpage" />
$lt{'padc'}:
END
foreach my $choice (@chgstate) {
my $chkstring;
if ($choice eq $control) {
$chkstring = ' checked="checked" ';
}
$r->print('<nobr><label><input type="radio" name="courseinit_control" value="'.
$choice.'"'.$chkstring.'/>'.$$initpage{$choice}.
' </label></nobr>');
}
$r->print('<br /><br />'.&mt('If').' '.$$initpage{'coursespecific'}.
' - <br />'.$lt{'chce'}.": \n");
foreach my $choice (@chgentry) {
my $chkstring;
if (($choice eq $current) && ($control eq 'coursespecific')) {
$chkstring = ' checked="checked" ';
}
$r->print('<nobr><label><input type="radio" name="courseinit_page" value="'.
$choice.'"'.$chkstring.'/>'.$$initpage{$choice}.
' </label></nobr>');
}
$r->print('<br /><br /><input type="submit" name="display" value="'.
$lt{'moce'}.'" /></form>');
return;
}
sub curr_courseinit {
my $current = &get_current($env{'user.name'},$env{'user.domain'},
$env{'request.course.id'},'courseinit');
my $control;
if ($current) {
$control = 'coursespecific';
} else {
$control = 'userpref';
my %userenv = &Apache::lonnet::get('environment',
['course_init_display']);
if (exists($userenv{'course_init_display'})) {
$current = $userenv{'course_init_display'};
}
unless ($current) {
$current = 'whatsnew';
}
}
return ($control,$current);
}
sub display_launcher {
my ($r,$action,$refpage,$checkallowed,$show,$headings,$res_title,
$tograde,$ungraded,$bombs,$bombed,$changed,$warnings,$triggered,
$newdiscussions,$unread,$msgcount,$newmsgs,$critmsgcount,$critmsgs,
$interval,$countunread) = @_;
if ($$checkallowed{$action}) {
&start_box($r,$show,$headings,$action,$refpage,$action);
if ($$show{$action}) {
if ($action eq 'handgrading') { # UNGRADED ITEMS
&display_handgrade($r,$tograde,$ungraded);
} elsif ($action eq 'haserrors') { # BOMBS
&display_haserrors($r,$bombs,$bombed,$res_title);
} elsif ($action eq 'versionchanges') { # VERSION CHANGES
&display_versionchanges($r,$changed,$res_title,$interval);
} elsif ($action eq 'abovethreshold') { # DEGDIFF/AV. TRIES TRIGGERS
&display_abovethreshold($r,$refpage,$warnings,$triggered,
$res_title);
} elsif ($action eq 'coursediscussion') { # UNREAD COURSE DISCUSSION
&display_coursediscussion($r,$newdiscussions,$unread,
$countunread,$res_title);
} elsif ($action eq 'coursenormalmail') { # NORMAL MESSAGES
&display_coursenormalmail($r,$msgcount,$newmsgs);
} elsif ($action eq 'coursecritmail') { # CRITICAL MESSAGES
&display_coursecritmail($r,$critmsgcount,$critmsgs);
}
}
&end_box($r);
}
return;
}
sub getitems {
my ($unread,$ungraded,$bombed,$triggered,$changed,$newdiscussions,
$tograde,$bombs,$warnings,$threshold,$cdom,$crs,$res_title,$show,
$starttime,$countunread) = @_;
my $navmap = Apache::lonnavmaps::navmap->new();
# force retrieve Resource to seed the part id cache we'll need it later
my @allres=$navmap->retrieveResources(undef,
sub {if ($_[0]->is_problem) { $_[0]->parts();} return 1;});
my %resourcetracker;
my $discussiontime;
# Resource version changes
if ($$show{'versionchanges'}) {
&checkversions($cdom,$crs,$navmap,$changed,$starttime);
}
if ($$show{'abovethreshold'}) {
%resourcetracker = &Apache::lonnet::dump('nohist_resourcetracker',
$cdom,$crs);
}
foreach my $resource (@allres) {
my $result = '';
my $applies = 0;
my $symb = $resource->symb();
%{$$bombed{$symb}} = ();
%{$$ungraded{$symb}} = ();
%{$$triggered{$symb}} = ();
$$triggered{$symb}{numparts} = 0;
if ($resource->encrypted()) {
$$triggered{$symb}{'enclink'} = $resource->link();
$$triggered{$symb}{'encsymb'} = $resource->shown_symb();
}
my $title = $resource->compTitle();
$$res_title{$symb} = $title;
my $ressymb = $resource->wrap_symb();
# Check if there are unread discussion postings
if ($$show{'coursediscussion'}) {
&check_discussions($resource,$symb,$ressymb,$title,
$newdiscussions,$unread,$countunread);
}
# Check for ungraded problems
if ($resource->is_problem()) {
if ($$show{'handgrading'}) {
&check_handgraded($resource,$symb,$title,$cdom,$crs,$ungraded,
$tograde);
}
}
# Check for bombs
if ($$show{'haserrors'}) {
&check_bombed($resource,$symb,$title,$bombs,$bombed);
}
# Maxtries and degree of difficulty for problem parts, unless handgradeable
if ($$show{'abovethreshold'}) {
&check_thresholds($resource,$symb,\%resourcetracker,
$triggered,$threshold,$warnings);
}
}
}
sub check_discussions {
my ($resource,$symb,$ressymb,$title,$newdiscussions,$unread,
$countunread) = @_;
if (!$resource->hasDiscussion()) { return; }
%{$$unread{$ressymb}} = ();
$$unread{$ressymb}{'title'} = $title;
$$unread{$ressymb}{'symb'} = $symb;
if ($resource->encrypted()) {
$$unread{$ressymb}{'enclink'} = $resource->link();
$$unread{$ressymb}{'encsymb'} = $resource->shown_symb();
}
push(@{$newdiscussions}, $ressymb);
$$unread{$ressymb}{'lastpost'} = $resource->last_post_time();
if ($countunread eq 'on') {
$$unread{$ressymb}{'unreadcount'} =
$resource->discussion_info('unread');
}
}
sub check_handgraded {
my ($resource,$symb,$title,$cdom,$cnum,$ungraded,$tograde) = @_;
if ($resource->is_problem()) {
my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
my $partlist=$resource->parts();
my $handgradeable;
foreach my $part (@$partlist) {
if ($resource->handgrade($part) eq 'yes') {
$handgradeable=1; last;
}
}
if ($handgradeable) {
my @ungraded = &Apache::bridgetask::get_queue_symb_status(
'gradingqueue',$symb,$cdom,$cnum);
if (@ungraded > 0) {
$$ungraded{$symb}{count} = scalar(@ungraded);
$$ungraded{$symb}{title} = $title;
if ($resource->encrypted()) {
$$ungraded{$symb}{'enclink'} = $resource->link();
$$ungraded{$symb}{'encsymb'} = $resource->shown_symb();
}
push(@{$tograde},$symb);
}
}
}
}
sub check_bombed {
my ($resource,$symb,$title,$bombs,$bombed) = @_;
if ($resource->getErrors()) {
my $errors = $resource->getErrors();
$errors =~ s/^,//;
my @bombs = split(/,/, $errors);
my $errorcount = scalar(@bombs);
my $errorlink = '<a href="/adm/email?display='.
&escape($bombs[0]).'">'.
$title.'</a>';
$$bombed{$symb}{errorcount} = $errorcount;
$$bombed{$symb}{errorlink} = $errorlink;
push(@{$bombs}, $symb);
}
}
sub check_thresholds {
my ($resource,$symb,$resourcetracker,$triggered,$threshold,$warnings) = @_;
# Compile maxtries and degree of difficulty for problem parts, unless handgradeable
my @parts = @{$resource->parts()};
my %stats;
my %lastreset = ();
my $warning = 0;
foreach my $part (@parts) {
if ($resource->handgrade($part) eq 'yes') {
next;
}
if ($resource->is_survey($part)) {
next;
}
%{$stats{$part}} = ();
my ($attempts,$users,$corrects,$degdiff,$av_attempts);
if (exists($$resourcetracker{$symb."\0".$part."\0attempts"})) {
$attempts = $$resourcetracker{$symb."\0".$part."\0attempts"};
}
if (exists($$resourcetracker{$symb."\0".$part."\0users"})) {
$users = $$resourcetracker{$symb."\0".$part."\0users"};
}
if (exists($$resourcetracker{$symb."\0".$part."\0correct"})) {
$corrects = $$resourcetracker{$symb."\0".$part."\0correct"};
}
if ($attempts > 0) {
$degdiff = 1 - ($corrects/$attempts);
$degdiff = sprintf("%.2f",$degdiff);
}
if ($users > 0) {
$av_attempts = $attempts/$users;
$av_attempts = sprintf("%.2f",$av_attempts);
}
if ((($degdiff ne '' && $degdiff >= $$threshold{'degdiff'}) || ($av_attempts ne '' && $av_attempts >= $$threshold{'av_attempts'})) && ($users >= $$threshold{'numstudents'})) {
$stats{$part}{degdiff} = $degdiff;
$stats{$part}{attempts} = $av_attempts;
$stats{$part}{users} = $users;
$lastreset{$part} = $$resourcetracker{$symb."\0".$part."\0resettime"};
if ($lastreset{$part}) {
$lastreset{$part} = &Apache::lonnavmaps::timeToHumanString($lastreset{$part});
}
$warning = 1;
}
}
if ($warning) {
$$triggered{$symb}{title} = $resource->title;
my $partcount = 0;
@{$$triggered{$symb}{text}} = ();
foreach my $part (@parts) {
if (exists($stats{$part}{users})) {
my $resetname = 'reset_'.&escape($symb."\0".$part);
my $resettitle = 'title_'.&escape($symb."\0".$part);
if (@parts > 1) {
$$triggered{$symb}{text}[$partcount] = '
<td>part - '.$part.'</td>';
} else {
$$triggered{$symb}{text}[$partcount] = '
<td>single part</td>';
}
$$triggered{$symb}{text}[$partcount] .= '
<td>'.$stats{$part}{users}.'</td>
<td>'.$stats{$part}{attempts}.'</td>
<td>'.$stats{$part}{degdiff}.'</td>
<td>'.$lastreset{$part}.'</td>
<td><input type="checkbox" name="'.$resetname.'" /><input type="hidden" name="'.$resettitle.'" value="'.&escape($$triggered{$symb}{title}).'" /></td>';
$partcount ++;
}
$$triggered{$symb}{numparts} = $partcount;
}
push(@{$warnings},$symb);
}
}
sub get_curr_thresholds {
my ($threshold,$uname,$udom,$cid,$cdom,$crs) = @_;
# set default values
%$threshold = (av_attempts => 2,
degdiff => 0.5,
numstudents => 2
);
my %thresholdsettings = &Apache::lonnet::dump('nohist_whatsnew',$udom,
$uname,$cid.':threshold');
my $thresholdcount = 0;
my ($tmp) = %thresholdsettings;
unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
foreach my $item (keys %{$threshold}) {
if (exists($thresholdsettings{$cid.':threshold_'.$item})) {
$$threshold{$item} =
$thresholdsettings{$cid.':threshold_'.$item};
$thresholdcount ++;
}
}
}
if ($thresholdcount == 3) {
return;
}
my %coursesettings = &Apache::lonnet::dump('environment',
$cdom,$crs,'internal.threshold');
my ($temp) = %coursesettings;
unless ($temp =~ /^(con_lost|error|no_such_host)/i) {
foreach my $item (keys %{$threshold}) {
unless (exists($thresholdsettings{$cid.':threshold_'.$item})) {
if (exists($coursesettings{'internal.threshold_'.$item})) {
$$threshold{$item} =
$coursesettings{'internal.threshold_'.$item};
}
}
}
}
return;
}
sub get_current {
my ($uname,$udom,$cid,$caller) = @_;
my $currvalue;
my %settings = &Apache::lonnet::dump('nohist_whatsnew',$udom,$uname,$cid.
':'.$caller);
my ($tmp) = %settings;
unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
$currvalue = $settings{$cid.':'.$caller};
}
return $currvalue;
}
sub process_reset {
my ($dom,$crs) = @_;
my $result = '<b>'.&mt('Counters reset for following problems (and parts):').
'</b><br />';
my @agg_types = ('attempts','users','correct');
my %agg_titles = &Apache::lonlocal::texthash (
attempts => 'Number of submissions',
users => 'Students with submissions',
correct => 'Number of correct submissions',
);
my @resets = ();
my %titles = ();
foreach my $key (keys(%env)) {
next if ($key !~ /^form\.reset_(.+)$/);
my $title = &unescape($env{'form.title_'.$1});
my $reset_item = &unescape($1);
my %curr_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
my %aggregates = ();
my ($symb,$part) = split(/\0/,$reset_item);
foreach my $type (@agg_types) {
$aggregates{$reset_item."\0".$type} = 0;
}
$aggregates{$reset_item."\0".'resettime'} = time;
my $putresult = &Apache::lonnet::put('nohist_resourcetracker',\%aggregates,
$dom,$crs);
if ($putresult eq 'ok') {
$result .= $title.' -part '.$part.': ';
my %new_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
foreach my $type (@agg_types) {
$result .= $agg_titles{$type}.' = '.$new_aggregates{$reset_item."\0".$type}.'; ';
}
$result =~ s/; $//;
$result .= '<br />';
} else {
$result = $title.' -part '.$part.': '.&mt('Unable to reset counters to zero due to [_1]',$putresult).'.<br />'."\n";
}
}
return $result;
}
sub process_update {
my ($uname,$udom,$threshold_titles) = @_;
my $setoutput = '<b>Changes to threshold(s) for problem tracking:</b><br />';
foreach (keys %env) {
next if ($_!~/^form\.(.+)\_setparmval$/);
my $name = $1;
my $value = $env{'form.'.$name.'_value'};
if ($name && defined($value) && ($value ne '')) {
my $put_result = &Apache::lonnet::put('nohist_whatsnew',
{$name=>$value},$udom,$uname);
my ($shortname) = ($name =~ /^\Q$env{'request.course.id'}\E:threshold_(.+)$/);
if ($put_result eq 'ok') {
$setoutput.=&mt('Set threshold for [_1] to [_2]',
'<b>'.$$threshold_titles{$shortname}.'</b>',
'<b>'.$value.'</b>').'<br />';
} else {
$setoutput.=&mt('Unable to set threshold for [_1] to [_2] due to [_3].',
'<b>'.$name.'</b>','<b>'.$value.'</b>',
'<tt>'.$put_result.'</tt>').'<br />';
}
}
}
return $setoutput;
}
sub getnormalmail {
my ($newmsgs) = @_;
# Check for unread mail in course
my $msgcount = 0;
my @messages = sort(&Apache::lonnet::getkeys('nohist_email'));
foreach my $message (@messages) {
my $msgid=&escape($message);
my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
&Apache::lonmsg::unpackmsgid($msgid);
if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
if (defined($sendtime) && $sendtime!~/error/) {
my $numsendtime = $sendtime;
$sendtime = &Apache::lonlocal::locallocaltime($sendtime);
if ($status eq 'new') {
$msgcount ++;
if ($shortsubj eq '') {
$shortsubj = &mt('No subject');
}
push(@{$newmsgs}, {
msgid => $msgid,
sendtime => $sendtime,
shortsub => $shortsubj,
from => $fromname,
fromdom => $fromdom
});
}
}
}
}
return $msgcount;
}
sub getcritmail {
my ($critmsgs) = @_;
# Check for critical messages in course
my %what=&Apache::lonnet::dump('critical');
my $result = '';
my $critmsgcount = 0;
foreach my $msgid (sort(keys(%what))) {
my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
&Apache::lonmsg::unpackmsgid($msgid);
if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
if (defined($sendtime) && $sendtime!~/error/) {
my $numsendtime = $sendtime;
$sendtime = &Apache::lonlocal::locallocaltime($sendtime);
$critmsgcount ++;
if ($shortsubj eq '') {
$shortsubj = &mt('No subject');
}
push(@{$critmsgs}, {
msgid => $msgid,
sendtime => $sendtime,
shortsub => $shortsubj,
from => $fromname,
fromdom => $fromdom
});
}
}
}
return $critmsgcount;
}
sub checkversions {
my ($cdom,$crs,$navmap,$changed,$starttime) = @_;
my %changes=&Apache::lonnet::dump('versionupdate',$cdom,$crs);
my ($tmp) = keys(%changes);
unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
if (keys(%changes) > 0) {
foreach my $key (sort(keys(%changes))) {
if ($changes{$key} > $starttime) {
my $version;
my ($root,$extension)=($key=~/^(.*)\.(\w+)$/);
my $currentversion=&Apache::lonnet::getversion($key);
my $revdate =
&Apache::lonnet::metadata($root.'.'.$extension,
'lastrevisiondate');
$revdate = &Apache::lonlocal::locallocaltime($revdate);
my $linkurl=&Apache::lonnet::clutter($key);
my $usedversion=$navmap->usedVersion('version_'.$linkurl);
my @resources = $navmap->getResourceByUrl($linkurl,1);
if (($usedversion) && ($usedversion ne 'mostrecent')) {
$version = $usedversion;
} else {
$version = $currentversion;
}
foreach my $res (@resources) {
if (ref($res) eq 'Apache::lonnavmaps::resource') {
my $symb = $res->symb();
%{$$changed{$symb}} = (
current => $currentversion,
version => $version,
revdate => $revdate,
);
}
}
}
}
}
}
return;
}
sub display_handgrade {
my ($r,$tograde,$ungraded) = @_;
my %lt = &Apache::lonlocal::texthash(
'prna' => 'Problem Name',
'nmun' => 'Number ungraded',
'nopr' => 'No problems require handgrading',
);
if (@{$tograde} > 0) {
$r->print('<tr class="LC_info_row"><td class="LC_left_item">'.
$lt{'prna'}.'</td><td class="LC_right_item">'.
$lt{'nmun'}.'</td></tr>');
my $rowNum = 0;
foreach my $res (@{$tograde}) {
$rowNum ++;
my $css_class = $rowNum%2?' class="LC_odd_row"':'';
my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
my $linkurl=&Apache::lonnet::clutter($url);
$linkurl .= '?symb='.&escape($res);
if ($$ungraded{$res}{'enclink'}) {
$linkurl =
$$ungraded{$res}{'enclink'}.'?symb='.$$ungraded{$res}{'encsymb'};
}
$r->print('<tr'.$css_class.'><td><a href="'.$linkurl.'">'.$$ungraded{$res}{title}.'</a></td><td class="LC_right_item">'.$$ungraded{$res}{count}.'</td></tr>');
}
} else {
$r->print('<tr class="LC_empty_row"><td>'.$lt{'nopr'}.'</td></tr>');
}
}
sub display_haserrors {
my ($r,$bombs,$bombed,$res_title) = @_;
my $bombnum = 0;
my %lt = &Apache::lonlocal::texthash(
reso => 'Resource',
nmer => 'Number of errors',
noer => 'No problems with errors',
);
if (@{$bombs} > 0) {
$r->print('<tr class="LC_info_row"><td class="LC_left_item">'.
$lt{'reso'}.'</td><td class="LC_right_item">'.
$lt{'nmer'}.'</td></tr>');
@{$bombs} = sort { &cmp_title($a,$b,$res_title) } @{$bombs};
foreach my $bomb (@{$bombs}) {
$bombnum ++;
my $css_class = $bombnum%2?' class="LC_odd_row"':'';
$r->print('<tr'.$css_class.'><td>'.$$bombed{$bomb}{errorlink}.
'</td><td class="LC_right_item">'.
$$bombed{$bomb}{errorcount}.'</td></tr>');
}
} else {
$r->print('<tr class="LC_empty_row"><td>'.$lt{'noer'}.'</td></tr>');
}
return;
}
sub display_abovethreshold {
my ($r,$refpage,$warnings,$triggered,$res_title) = @_;
my %lt = &Apache::lonlocal::texthash(
reso => 'Resource',
part => 'Part',
nust => 'Num. students',
avat => 'Av. Attempts',
dedi => 'Deg. Diff',
lare => 'Last Reset',
reco => 'Reset Count?',
rese => 'Reset counters to 0',
nopr => 'No problems satisfy threshold criteria',
);
if (@{$warnings} > 0) {
@{$warnings} = sort { &cmp_title($a,$b,$res_title) } @{$warnings};
$r->print('<form name="reset_tracking" method="post" action="/adm/whatsnew">'.
' <input type="hidden" name="command" value="reset" />'."\n".
' <input type="hidden" name="refpage" value="'.$refpage.'" />'.
"\n");
$r->print('<tr class="LC_info_row">'.
'<td class="LC_left_item">'.$lt{'reso'}.'</td>'.
'<td>'.$lt{'part'}.'</td><td>'.$lt{'nust'}.'</td>'.
'<td>'.$lt{'avat'}.'</td><td>'.$lt{'dedi'}.'</td>'.
'<td>'.$lt{'lare'}.'</td><td class="LC_right_item">'.
$lt{'reco'}.'</td></tr>');
my $row;
foreach my $res (@{$warnings}) {
$row++;
my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
my $linkurl=&Apache::lonnet::clutter($url);
my $rowspan;
if ($$triggered{$res}{numparts} > 1) {
$rowspan = 'rowspan="'.$$triggered{$res}{numparts}.'"';
}
$linkurl .= '?symb='.&escape($res);
if ($$triggered{$res}{'enclink'}) {
$linkurl =
$$triggered{$res}{'enclink'}.'?symb='.$$triggered{$res}{'encsymb'};
}
my $css_class = $row%2?' class="LC_odd_row"':'';
$r->print('<tr'.$css_class.'>'.
'<td class="LC_first_item" '.$rowspan.'><a href="'.$linkurl.'">'.
$$triggered{$res}{title}.'</a></td>');
if (ref($$triggered{$res}{text}) eq 'ARRAY') {
$r->print($$triggered{$res}{text}[0]);
}
$r->print('</tr>');
if (ref($$triggered{$res}{text}) eq 'ARRAY') {
if (@{$$triggered{$res}{text}} > 1) {
for (my $i=1; $i<@{$$triggered{$res}{text}}; $i++) {
$r->print('<tr class="'.$css_class.'">'.
$$triggered{$res}{text}[$i].'</tr>');
}
}
}
}
$r->print('<tr class="LC_info_row"><td colspan="7" class="LC_right_item"><br /><input type="submit" name="counters" value="'.$lt{'rese'}.'" /></td></tr></form>');
} else {
$r->print('<tr class="LC_empty_row"><td>'.$lt{'nopr'}.'</td></tr>');
}
}
sub display_versionchanges {
my ($r,$changed,$res_title,$interval) = @_;
my %lt = &Apache::lonlocal::texthash(
'reso' => 'Resource',
'revd' => 'Last revised',
'newv' => 'New version',
'veru' => 'Version used',
'noup' => 'No updated versions',
);
if (keys(%{$changed}) > 0) {
$r->print('<tr class="LC_info_row"><td class="LC_left_item">'.
$lt{'reso'}.'</td><td>'.$lt{'revd'}.'</td><td>'.
$lt{'newv'}.'</td><td class="LC_right_item">'.
$lt{'veru'}.'</td></tr>');
my @changes = sort { &cmp_title($a,$b,$res_title) } keys(%{$changed});
my $changenum = 0;
foreach my $item (@changes) {
$changenum ++;
my $css_class = $changenum%2?' class="LC_odd_row"':'';
my ($map,$id,$url)=&Apache::lonnet::decode_symb($item);
my $linkurl=&Apache::lonnet::clutter($url);
$linkurl .= '?symb='.&escape($item);
$r->print('<tr'.$css_class.'><td><a href="'.$linkurl.'">'.
$$res_title{$item}.'</a></td><td>'.
$$changed{$item}{'revdate'}.'</td><td>'.
$$changed{$item}{'current'}.'</td><td>'.
$$changed{$item}{'version'}.'</td></tr>');
}
} else {
$r->print('<tr class="LC_empty_row"><td>'.$lt{'noup'}.
' '.$interval.'</td></tr>');
}
return;
}
sub display_coursediscussion {
my ($r,$newdiscussions,$unread,$countunread,$res_title) = @_;
my $lctype = lc(&Apache::loncommon::course_type());
my %lt = &Apache::lonlocal::texthash(
'loca' => 'Location',
'type' => 'Type',
'numn' => 'Number of new posts',
'noun' => 'No unread posts in '.$lctype.' discussions',
'tmlp' => 'Time of last post',
);
if (@{$newdiscussions} > 0) {
$r->print('<tr class="LC_info_row"><td class="LC_left_item">'.
$lt{'loca'}.'</td><td>'.
$lt{'type'}.'</td>');
if ($countunread eq 'on') {
$r->print('<td>'.$lt{'tmlp'}.'</td>'.
'<td class="LC_right_item">'.$lt{'numn'}.'</td>');
} else {
$r->print('<td class="LC_right_item">'.$lt{'tmlp'}.'</td>');
}
$r->print("</tr>\n");
@{$newdiscussions} = sort { &cmp_title($a,$b,$res_title) }
@{$newdiscussions};
my $rowNum = 0;
foreach my $ressymb (@{$newdiscussions}) {
$rowNum ++;
my $forum_title = $$unread{$ressymb}{'title'};
my $type = 'Resource';
my $feedurl=&Apache::lonfeedback::get_feedurl($ressymb);
my $disclink = $feedurl.'?symb='.$$unread{$ressymb}{symb};
if ($feedurl =~ /bulletinboard/) {
$type = 'Bulletin Board';
}
if ($$unread{$ressymb}{'enclink'}) {
$disclink = $$unread{$ressymb}{'enclink'}.'?symb='.$$unread{$ressymb}{'encsymb'};
}
my $css_class = $rowNum%2?' class="LC_odd_row"':'';
my $lastpost = &Apache::lonnavmaps::timeToHumanString(
$$unread{$ressymb}{'lastpost'});
$r->print('<tr'.$css_class.'><td><a href="'.$disclink.'">'.$forum_title.'</a> </td><td>'.&mt($type).' </td>');
if ($countunread eq 'on') {
my $unreadnum = $$unread{$ressymb}{'unreadcount'};
$r->print('<td>'.$lastpost.'</td><td class="LC_right_item">'.
$unreadnum.' </td>');
} else {
$r->print('<td class="LC_right_item">'.$lastpost.'</td>');
}
$r->print("</tr>\n");
}
} else {
$r->print('<tr class="LC_empty_row"><td>'.$lt{'noun'}.'</td></tr>');
}
}
sub display_coursenormalmail {
my ($r,$msgcount,$newmsgs) = @_;
my $lctype = lc(&Apache::loncommon::course_type());
if ($msgcount > 0) {
$r->print('<tr class="LC_info_row"><td class="LC_left_item">'.
&mt('Number').'</td><td>'.&mt('Subject').'</td><td>'.
&mt('Sender').'</td><td class="LC_right_item">'.
&mt('Date/Time').'</td></tr>');
my $mailcount = 0;
foreach my $msg (@{$newmsgs}) {
$mailcount ++;
my $css_class = $mailcount%2?' class="LC_odd_row"':'';
$r->print('<tr'.$css_class.'><td>'.$mailcount.
'. </td><td><a href="/adm/communicate">'.
$msg->{'shortsub'}.'</a> </td><td> '.
$msg->{'from'}.'@'.$msg->{'fromdom'}.' </td><td>'.
$msg->{'sendtime'}.'</td></tr>');
}
} else {
$r->print('<tr class="LC_empty_row"><td>'.
&mt('No new '.$lctype.' messages').'</td></tr>');
}
}
sub display_coursecritmail {
my ($r,$critmsgcount,$critmsgs) = @_;
my $lctype = lc(&Apache::loncommon::course_type());
if ($critmsgcount > 0) {
$r->print('<tr class="LC_info_row"><td class="LC_left_item">'.
&mt('Number').'</td><td>'.&mt('Subject').'</td><td>'.
&mt('Sender').'</td><td class="LC_right_item">'.
&mt('Date/Time').'</td></tr>');
my $mailcount = 0;
foreach my $msg (@{$critmsgs}) {
$mailcount ++;
my $css_class = $mailcount%2?' class="LC_odd_row"':'';
$r->print('<tr'.$css_class.'><td>'.$mailcount.
'. </td><td><a href="/adm/email?folder=critical">'.
$msg->{'shortsub'}.'</a> </td><td> '.
$msg->{'from'}.'@'.$msg->{'fromdom'}.' </td><td>'.
$msg->{'sendtime'}.'</td></tr>');
}
} else {
$r->print('<tr class="LC_empty_row"><td>'.
&mt('No unread critical messages in '.$lctype).
'</td></tr>');
}
}
sub cmp_title {
my ($a,$b,$res_title) = @_;
my ($atitle,$btitle) = (lc($$res_title{$a}),lc($$res_title{$b}));
$atitle=~s/^\s*//;
$btitle=~s/^\s*//;
return $atitle cmp $btitle;
}
sub get_display_settings {
my ($uname,$udom,$cid) = @_;
my %settings = &Apache::lonnet::dump('nohist_whatsnew',$udom,$uname,$cid);
my ($tmp) = keys(%settings);
if ($tmp=~ /^(con_lost|error|no_such_host)/i) {
%settings = ();
unless ($tmp =~ /^error: 2 /) {
my $lctype = lc(&Apache::loncommon::course_type());
&Apache::lonnet::logthis('Error retrieving whatsnew settings: '.
$tmp.' for '.$uname.':'.$udom.' for '.$lctype.': '.$cid);
}
}
return %settings;
}
sub store_display_settings {
my ($uname,$udom,$cid,$checkallowed) = @_;
my %whatsnew_settings;
my $result;
foreach my $key (keys(%{$checkallowed})) {
if ($key =~ /_section$/) { next; }
if (exists($env{'form.display_'.$key})) {
unless ($env{'form.display_'.$key} eq '') {
$whatsnew_settings{$cid.':'.$key} = $env{'form.display_'.$key};
}
}
}
if (keys(%whatsnew_settings)) {
$result = &Apache::lonnet::put('nohist_whatsnew',\%whatsnew_settings,
$udom,$uname);
} else {
$result = 'ok';
}
return $result;
}
sub store_interval_setting {
my ($uname,$udom,$cid,$interval_titles) = @_;
my %interval_settings = ();
my $result;
if (defined($env{'form.interval'})) {
$interval_settings{$cid.':interval'} = $env{'form.interval'};
my $outcome = &Apache::lonnet::put('nohist_whatsnew',
\%interval_settings,$udom,$uname);
if ($outcome eq 'ok') {
$result = &mt('Interval set to version changes [_1]',
'<b>'.$$interval_titles{$env{'form.interval'}}.'</b><br />');
} else {
my $lctype = lc(&Apache::loncommon::course_type());
&Apache::lonnet::logthis('Error saving whatsnew interval setting'.
' '.$outcome.' for '.$uname.':'.$udom.' in '.$lctype.' '.$cid);
$result = &mt('Unable to set interval to [_1] due to [_2].',
'<b>'.$$interval_titles{$env{'form.interval'}}.'</b>',
'<tt>'.$outcome.'</tt>.<br />');
}
}
return $result;
}
sub store_discussion_setting {
my ($uname,$udom,$cid) = @_;
my %discussion_settings;
my $result;
if (defined($env{'form.countunread'})) {
$discussion_settings{$cid.':countunread'} = $env{'form.countunread'};
my $outcome = &Apache::lonnet::put('nohist_whatsnew',
\%discussion_settings,$udom,$uname);
if ($outcome eq 'ok') {
$result = &mt('Count unread posts in discussions display set to [_1]',
'<b>'.$env{'form.countunread'}.'</b><br />');
} else {
my $lctype = lc(&Apache::loncommon::course_type());
&Apache::lonnet::logthis('Error saving whatsnew countunread setting'.
' '.$outcome.' for '.$uname.':'.$udom.' in '.$lctype.' '.$cid);
$result = &mt('Unable to set "number unread posts display" to [_1]'.
' due to [_2].',
'<b>'.$env{'form.countunread'}.'</b>',
'<tt>'.$outcome.'</tt>.<br />');
}
}
return $result;
}
sub store_courseinit_setting {
my ($uname,$udom,$cid,$initpage) = @_;
my %courseinit_settings;
my $page_control;
my $result;
if (defined($env{'form.courseinit_control'})) {
if ($env{'form.courseinit_control'} eq 'userpref') {
$courseinit_settings{$cid.':courseinit'} = '';
$page_control = 'global preferences';
} else {
if (defined($env{'form.courseinit_page'})) {
$courseinit_settings{$cid.':courseinit'} =
$env{'form.courseinit_page'};
$page_control = 'course specific setting';
}
}
if ($page_control) {
my $lctype = lc(&Apache::loncommon::course_type());
my $outcome = &Apache::lonnet::put('nohist_whatsnew',
\%courseinit_settings,$udom,$uname);
if ($outcome eq 'ok') {
if ($page_control eq 'global preferences') {
$result = &mt("Page displayed after role selection in $lctype now set by <b>user's global preferences</b>.");
} else {
$result = &mt('Page displayed after role selection in this '.$lctype.' set to <b>[_2]</b>',$lctype,$$initpage{$env{'form.courseinit_page'}});
}
} else {
&Apache::lonnet::logthis('Error saving whatsnew courseinit '.
'setting: '.$outcome.' for '.$uname.
':'.$udom.' in '.$lctype.' '.$cid);
if ($page_control eq 'global preferences') {
$result = &mt('Unable to set control of page display to [_1]'.
' due to [_2].',
'<b>'.$page_control.'</b>',
'<tt>'.$outcome.'</tt>.<br />');
} else {
$result = &mt('Unable to set page display, after role selection, for this '.$lctype.' to <b>[_2]</b> due to <tt>[_3]</tt>.<br />',
$$initpage{$env{'form.courseinit_page'}},$outcome);
}
}
}
}
return $result;
}
sub start_box {
my ($r,$show,$heading,$caller,$refpage) = @_;
my %lt = &Apache::lonlocal::texthash(
chth => 'Change thresholds?',
chin => 'Change interval?',
chop => 'Change options?',
);
my $showhide;
if ($$show{$caller}) {
$showhide = '<b><a href="javascript:change_display(document.visible.'.
'display_'.$caller.",'hide'".');">'.
&mt('Hide').'</a></b>';
} else {
$showhide = '<b><a href="javascript:change_display(document.visible.'.
'display_'.$caller.",'show'".');">'.
&mt('Show').'</a></b>';
}
$r->print('
<table class="LC_nested_outer">
<tr>
<th>'.$$heading{$caller}.'</th>
<th class="LC_right_item">'.$showhide.'</th>
</tr>');
if (($caller eq 'abovethreshold') && ($$show{$caller})) {
if ($$show{$caller}) {
$r->print('
<tr>
<td class="LC_subheader" colspan="2"><a href="/adm/whatsnew?command=chgthreshold&refpage='.$refpage.'">'.$lt{'chth'}.'</a></td>
</tr>');
}
} elsif (($caller eq 'versionchanges') && ($$show{$caller})) {
if ($$show{$caller}) {
$r->print('
<tr>
<td class="LC_subheader" colspan="2"><a href="/adm/whatsnew?command=chginterval&refpage='.$refpage.'">'.$lt{'chin'}.'</a></td>
</tr>');
}
} elsif ($caller eq 'coursediscussion') {
if ($$show{$caller}) {
$r->print('
<tr>
<td class="LC_subheader" colspan="2"><a href="/adm/whatsnew?command=chgdisc&refpage='.$refpage.'">'.$lt{'chop'}.'</a></td>
</tr>');
}
}
$r->print('
<tr>
<td colspan="2">
<table class="LC_nested">
');
return;
}
sub end_box {
my ($r) = shift;
$r->print('
</table>
</td>
</tr>
</table><br />');
return;
}
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