--- loncom/interface/slotrequest.pm 2005/06/04 08:17:06 1.4
+++ loncom/interface/slotrequest.pm 2006/03/07 16:15:48 1.49
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Handler for requesting to have slots added to a students record
#
-# $Id: slotrequest.pm,v 1.4 2005/06/04 08:17:06 albertel Exp $
+# $Id: slotrequest.pm,v 1.49 2006/03/07 16:15:48 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -34,24 +34,29 @@ use Apache::Constants qw(:common :http :
use Apache::loncommon();
use Apache::lonlocal;
use Apache::lonnet;
+use Apache::lonnavmaps();
+use Date::Manip;
sub fail {
my ($r,$code)=@_;
if ($code eq 'not_valid') {
- $r->print('<p>'.&mt('Unable to understand what resource you wanted to sign up for.').'</p>'.$env{'form.symb'});
+ $r->print('<p>'.&mt('Unable to understand what resource you wanted to sign up for.').'</p>');
+ } elsif ($code eq 'not_allowed') {
+ $r->print('<p>'.&mt('Not allowed to sign up or change reservations at this time.').'</p>');
+ } else {
+ $r->print('<p>'.&mt('Failed.').'</p>');
}
- $r->print('<p><a href="/adm/flip?postdata=return:">'.
- &mt('Return to last resource').'</a></p>');
+
+ &return_link($r);
&end_page($r);
}
sub start_page {
- my ($r)=@_;
+ my ($r,$title)=@_;
my $html=&Apache::lonxml::xmlbegin();
- $r->print($html.'<head><title>'.
- &mt('Request another Worktime').'</title></head>');
- $r->print(&Apache::loncommon::bodytag('Requesting another Worktime'));
+ $r->print($html.'<head><title>'.&mt($title).'</title></head>');
+ $r->print(&Apache::loncommon::bodytag($title));
}
sub end_page {
@@ -84,7 +89,9 @@ sub get_reservation_ids {
my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
"^$slot_name\0");
-
+ if (&network_error(%consumed)) {
+ return 'error: Unable to determine current status';
+ }
my ($tmp)=%consumed;
if ($tmp=~/^error: 2 / ) {
return 0;
@@ -106,7 +113,7 @@ sub space_available {
}
sub check_for_reservation {
- my ($symb)=@_;
+ my ($symb,$mode)=@_;
my $student = &Apache::lonnet::EXT("resource.0.availablestudent", $symb,
$env{'user.domain'}, $env{'user.name'});
@@ -119,23 +126,116 @@ sub check_for_reservation {
my ($cnum,$cdom)=&get_course();
my %slots=&Apache::lonnet::get('slots', [@slots], $cdom, $cnum);
- foreach my $slot_name (@slots) {
+ if (&network_error($student) || &network_error($course) ||
+ &network_error(%slots)) {
+ return 'error: Unable to determine current status';
+ }
+ my @got;
+ foreach my $slot_name (sort {
+ if (ref($slots{$a}) && ref($slots{$b})) {
+ return $slots{$a}{'starttime'} <=> $slots{$b}{'starttime'}
+ }
+ if (ref($slots{$a})) { return -1;}
+ if (ref($slots{$b})) { return 1;}
+ return 0;
+ } @slots) {
next if (!defined($slots{$slot_name}) ||
!ref($slots{$slot_name}));
&Apache::lonxml::debug(time." $slot_name ".
$slots{$slot_name}->{'starttime'}." -- ".
$slots{$slot_name}->{'startreserve'});
- if ($slots{$slot_name}->{'starttime'} > time &&
+ if ($slots{$slot_name}->{'endtime'} > time &&
$slots{$slot_name}->{'startreserve'} < time) {
- # between start of reservation times and start of slot
- return($slot_name, $slots{$slot_name});
+ # between start of reservation times and end of slot
+ if ($mode eq 'allslots') {
+ push(@got,$slot_name);
+ } else {
+ return($slot_name, $slots{$slot_name});
+ }
}
}
+ if ($mode eq 'allslots' && @got) {
+ return @got;
+ }
return (undef,undef);
}
-# FIXME - depends on the parameter for the resource to be correct
-# tho prevent multiple reservations
+sub get_consumed_uniqueperiods {
+ my ($slots) = @_;
+ my $navmap=Apache::lonnavmaps::navmap->new;
+ my @problems = $navmap->retrieveResources(undef,
+ sub { $_[0]->is_problem() },1,0);
+ my %used_slots;
+ foreach my $problem (@problems) {
+ my $symb = $problem->symb();
+ my $student = &Apache::lonnet::EXT("resource.0.availablestudent",
+ $symb, $env{'user.domain'},
+ $env{'user.name'});
+ my $course = &Apache::lonnet::EXT("resource.0.available",
+ $symb, $env{'user.domain'},
+ $env{'user.name'});
+ if (&network_error($student) || &network_error($course)) {
+ return 'error: Unable to determine current status';
+ }
+ foreach my $slot (split(/:/,$student), split(/:/, $course)) {
+ $used_slots{$slot}=1;
+ }
+ }
+
+ if (!ref($slots)) {
+ my ($cnum,$cdom)=&get_course();
+ my %slots=&Apache::lonnet::get('slots', [keys(%used_slots)], $cdom, $cnum);
+ if (&network_error(%slots)) {
+ return 'error: Unable to determine current status';
+ }
+ $slots = \%slots;
+ }
+
+ my %consumed_uniqueperiods;
+ foreach my $slot_name (keys(%used_slots)) {
+ next if (!defined($slots->{$slot_name}) ||
+ !ref($slots->{$slot_name}));
+
+ next if (!defined($slots->{$slot_name}{'uniqueperiod'}) ||
+ !ref($slots->{$slot_name}{'uniqueperiod'}));
+ $consumed_uniqueperiods{$slot_name} =
+ $slots->{$slot_name}{'uniqueperiod'};
+ }
+ return \%consumed_uniqueperiods;
+}
+
+sub check_for_conflict {
+ my ($symb,$new_slot_name,$new_slot,$slots,$consumed_uniqueperiods)=@_;
+
+ if (!defined($new_slot->{'uniqueperiod'})) { return undef; }
+
+ if (!ref($consumed_uniqueperiods)) {
+ $consumed_uniqueperiods = &get_consumed_uniqueperiods($slots);
+ if (&network_error(%$consumed_uniqueperiods)) {
+ return 'error: Unable to determine current status';
+ }
+ }
+
+ my ($new_uniq_start,$new_uniq_end) = @{$new_slot->{'uniqueperiod'}};
+ foreach my $slot_name (keys(%$consumed_uniqueperiods)) {
+ my ($start,$end)=@{$consumed_uniqueperiods->{$slot_name}};
+ if (!
+ ($start < $new_uniq_start && $end < $new_uniq_start) ||
+ ($start > $new_uniq_end && $end > $new_uniq_end )) {
+ return $slot_name;
+ }
+ }
+ return undef;
+
+}
+
+sub network_error {
+ my ($result) = @_;
+ if ($result =~ /^(con_lost|no_such_host|error: [^2])/) {
+ return 1;
+ }
+ return 0;
+}
sub make_reservation {
my ($slot_name,$slot,$symb)=@_;
@@ -145,11 +245,17 @@ sub make_reservation {
my $value=&Apache::lonnet::EXT("resource.0.availablestudent",$symb,
$env{'user.domain'},$env{'user.name'});
&Apache::lonxml::debug("value is $value<br />");
+ if (&network_error($value)) {
+ return 'error: Unable to determine current status';
+ }
+
foreach my $other_slot (split(/:/, $value)) {
if ($other_slot eq $slot_name) {
my %consumed=&Apache::lonnet::dump('slot_reservations', $cdom,
$cnum, "^$slot_name\0");
-
+ if (&network_error($value)) {
+ return 'error: Unable to determine current status';
+ }
my $me=$env{'user.name'}.'@'.$env{'user.domain'};
foreach my $key (keys(%consumed)) {
if ($consumed{$key}->{'name'} eq $me) {
@@ -164,8 +270,9 @@ sub make_reservation {
if (!defined($max)) { $max=99999; }
my (@ids)=&get_reservation_ids($slot_name);
-
- # FIXME we could end up having holes...
+ if (&network_error(@ids)) {
+ return 'error: Unable to determine current status';
+ }
my $last=0;
foreach my $id (@ids) {
my $num=(split('\0',$id))[1];
@@ -174,9 +281,9 @@ sub make_reservation {
my $wanted=$last+1;
&Apache::lonxml::debug("wanted $wanted<br />");
- if ($wanted >= $max) {
+ if (scalar(@ids) >= $max) {
# full up
- return -1;
+ return undef;
}
my %reservation=('name' => $env{'user.name'}.'@'.$env{'user.domain'},
@@ -189,7 +296,6 @@ sub make_reservation {
$cdom, $cnum);
if ($success eq 'ok') {
- #FIXME need to set the parm
my $new_value=$slot_name;
if ($value) {
$new_value=$value.':'.$new_value;
@@ -207,26 +313,192 @@ sub make_reservation {
return undef;
}
+sub remove_registration {
+ my ($r) = @_;
+ my $name = &Apache::loncommon::plainname($env{'form.uname'},
+ $env{'form.udom'});
+
+ my $title = &Apache::lonnet::gettitle($env{'form.symb'});
+
+ my $hidden_input;
+ foreach my $parm ('uname','udom','slotname','entry','symb') {
+ $hidden_input .=
+ '<input type="hidden" name="'.$parm.'" value="'
+ .&HTML::Entities::encode($env{'form.'.$parm},'"<>&\'').'" />'."\n";
+ }
+ $r->print(<<"END_CONFIRM");
+<p> Remove $name from slot $env{'form.slotname'} for $title</p>
+<form action="/adm/slotrequest" method="POST">
+ <input type="hidden" name="command" value="release" />
+ $hidden_input
+ <input type="submit" name="Yes" value="yes" />
+</form>
+<form action="/adm/slotrequest" method="POST">
+ <input type="hidden" name="command" value="showslots" />
+ <input type="submit" name="No" value="no" />
+</form>
+END_CONFIRM
+
+}
+
+sub release_slot {
+ my ($r,$symb,$slot_name,$inhibit_return_link,$mgr)=@_;
+
+ if ($slot_name eq '') { $slot_name=$env{'form.slotname'}; }
+ my ($cnum,$cdom)=&get_course();
+
+ my ($uname,$udom) = ($env{'user.name'}, $env{'user.domain'});
+ if ($mgr eq 'F'
+ && defined($env{'form.uname'}) && defined($env{'form.udom'})) {
+ ($uname,$udom) = ($env{'form.uname'}, $env{'form.udom'});
+ }
+
+ if ($mgr eq 'F'
+ && defined($env{'form.symb'})) {
+ $symb = $env{'form.symb'};
+ }
+ my %slot=&Apache::lonnet::get_slot($slot_name);
+ my $description=&get_description($env{'form.slotname'},\%slot);
+
+ if ($mgr ne 'F') {
+ if ($slot{'starttime'} < time) {
+ $r->print("<p>Not allowed to release Reservation: $description, as it has already ended. </p>");
+ &return_link($r);
+ return 0;
+ }
+ }
+ # get parameter string, check for existance, rebuild string with the slot
+ my @slots = split(/:/,&Apache::lonnet::EXT("resource.0.availablestudent",
+ $symb,$udom,$uname));
+
+ my @new_slots;
+ foreach my $exist_slot (@slots) {
+ if ($exist_slot eq $slot_name) { next; }
+ push(@new_slots,$exist_slot);
+ }
+ my $new_param = join(':',@new_slots);
+
+ # get slot reservations, check if user has one, if so remove reservation
+ my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
+ "^$slot_name\0");
+ foreach my $entry (keys(%consumed)) {
+ if ( $consumed{$entry}->{'name'} eq ($uname.'@'.$udom) ) {
+ &Apache::lonnet::del('slot_reservations',[$entry],
+ $cdom,$cnum);
+ }
+ }
+
+ # store new parameter string
+ my $result=&Apache::lonparmset::storeparm_by_symb($symb,
+ '0_availablestudent',
+ 1, $new_param, 'string',
+ $uname,$udom);
+ $r->print("<p>Released Reservation: $description</p>");
+ if ($mgr eq 'F') {
+ $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
+ &mt('Return to slot list').'</a></p>');
+ }
+ if (!$inhibit_return_link) { &return_link($r); }
+ return 1;
+}
+
+sub delete_slot {
+ my ($r)=@_;
+
+ my $slot_name = $env{'form.slotname'};
+ my %slot=&Apache::lonnet::get_slot($slot_name);
+
+ my ($cnum,$cdom)=&get_course();
+ my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
+ "^$slot_name\0");
+ my ($tmp) = %consumed;
+ if ($tmp =~ /error: 2/) { undef(%consumed); }
+
+ if (%slot && !%consumed) {
+ $slot{'type'} = 'deleted';
+ my $ret = &Apache::lonnet::cput('slots', {$slot_name => \%slot},
+ $cdom, $cnum);
+ if ($ret eq 'ok') {
+ $r->print("<p>Slot <tt>$slot_name</tt> marked as deleted.</p>");
+ } else {
+ $r->print("<p> An error ($ret) occurse when attempting to delete Slot <tt>$slot_name</tt>.</p>");
+ }
+ } else {
+ if (%consumed) {
+ $r->print("<p>Slot <tt>$slot_name</tt> has active reservations.</p>");
+ } else {
+ $r->print("<p>Slot <tt>$slot_name</tt> does not exist.</p>");
+ }
+ }
+ $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
+ &mt('Return to slot list').'</a></p>');
+ &return_link($r);
+}
+
+sub return_link {
+ my ($r) = @_;
+ $r->print('<p><a href="/adm/flip?postdata=return:">'.
+ &mt('Return to last resource').'</a></p>');
+}
+
sub get_slot {
my ($r,$symb)=@_;
my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
+ my $slot_name=&check_for_conflict($symb,$env{'form.slotname'},\%slot);
+
+ if ($slot_name =~ /^error: (.*)/) {
+ $r->print("<p>An error occured while attempting to make a reservation. ($1)</p>");
+ &return_link($r);
+ return;
+ }
+ if ($slot_name) {
+ my %slot=&Apache::lonnet::get_slot($slot_name);
+ my $description1=&get_description($slot_name,\%slot);
+ %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
+ my $description2=&get_description($env{'form.slotname'},\%slot);
+ $r->print("<p>Already have a reservation: $description1</p>");
+ if ($slot_name ne $env{'form.slotname'}) {
+ $r->print(<<STUFF);
+<form method="POST" action="/adm/slotrequest">
+ <input type="hidden" name="symb" value="$env{'form.symb'}" />
+ <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
+ <input type="hidden" name="releaseslot" value="$slot_name" />
+ <input type="hidden" name="command" value="change" />
+STUFF
+ $r->print("<p>You can either ");
+ $r->print(<<STUFF);
+ <input type="submit" name="change" value="Change" />
+STUFF
+ $r->print(' your reservation from <b>'.$description1.'</b> to <b>'.
+ $description2.
+ '</b> <br />or </p>');
+ &return_link($r);
+ $r->print(<<STUFF);
+</form>
+STUFF
+ } else {
+ &return_link($r);
+ }
+ return;
+ }
+
my $reserved=&make_reservation($env{'form.slotname'},
\%slot,$symb);
my $description=&get_description($env{'form.slotname'},\%slot);
- if ($reserved > -1) {
- $r->print("<p>Success: $description</p>");
- $r->print('<p><a href="/adm/flip?postdata=return:">'.
- &mt('Return to last resource').'</a></p>');
- return;
- } elsif ($reserved < 0) {
- $r->print("<p>Already reserved: $description</p>");
- $r->print('<p><a href="/adm/flip?postdata=return:">'.
- &mt('Return to last resource').'</a></p>');
+ if (defined($reserved)) {
+ if ($slot_name =~ /^error: (.*)/) {
+ $r->print("<p>An error occured while attempting to make a reservation. ($1)</p>");
+ } elsif ($reserved > -1) {
+ $r->print("<p>Success: $description</p>");
+ } elsif ($reserved < 0) {
+ $r->print("<p>Already reserved: $description</p>");
+ }
+ &return_link($r);
return;
}
- my %lt=('request'=>"Request another attempt",
+ my %lt=('request'=>"Availibility list",
'try' =>'Try again');
%lt=&Apache::lonlocal::texthash(%lt);
@@ -250,35 +522,61 @@ or
</p>
or
STUFF
- $r->print('<p><a href="/adm/flip?postdata=return:">'.
- &mt('Return to last resource').'</a></p>');
+
+ &return_link($r);
return;
}
sub allowed_slot {
- my ($slot_name,$slot,$symb)=@_;
+ my ($slot_name,$slot,$symb,$slots,$consumed_uniqueperiods)=@_;
+
#already started
if ($slot->{'starttime'} < time) {
- return 0;
+ # all open slot to be schedulable
+ #return 0;
}
+ &Apache::lonxml::debug("$slot_name starttime good");
#already ended
if ($slot->{'endtime'} < time) {
return 0;
}
+ &Apache::lonxml::debug("$slot_name endtime good");
# not allowed to pick this one
if (defined($slot->{'type'})
&& $slot->{'type'} ne 'schedulable_student') {
return 0;
}
+ &Apache::lonxml::debug("$slot_name type good");
+
+ # its for a different set of users
+ if (defined($slot->{'allowedsection'})) {
+
+ return 0;
+ }
+ &Apache::lonxml::debug("$slot_name type good");
+
+ # its for a different set of users
+ if (defined($slot->{'allowedusers'})) {
+
+ return 0;
+ }
+ &Apache::lonxml::debug("$slot_name type good");
# not allowed for this resource
if (defined($slot->{'symb'})
&& $slot->{'symb'} ne $symb) {
return 0;
}
-
+ my $conflict = &check_for_conflict($symb,$slot_name,$slot,$slots,
+ $consumed_uniqueperiods);
+ if ($conflict) {
+ if ($slots->{$conflict}{'starttime'} < time) {
+ return 0;
+ }
+ }
+ &Apache::lonxml::debug("$slot_name symb good");
return 1;
}
@@ -298,27 +596,47 @@ sub show_choices {
my ($cnum,$cdom)=&get_course();
my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
+ my $consumed_uniqueperiods = &get_consumed_uniqueperiods(\%slots);
my $available;
$r->print('<table border="1">');
+ &Apache::lonxml::debug("Checking Slots");
+ my @got_slots=&check_for_reservation($symb,'allslots');
foreach my $slot (sort
{ return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'} }
(keys(%slots))) {
-
- next if (!&allowed_slot($slot,$slots{$slot}));
+
+ &Apache::lonxml::debug("Checking Slot $slot");
+ next if (!&allowed_slot($slot,$slots{$slot},undef,\%slots,
+ $consumed_uniqueperiods));
$available++;
my $description=&get_description($slot,$slots{$slot});
my $form=&mt('Unavailable');
- if (&space_available($slot,$slots{$slot},$symb)) {
+ if ((grep(/^\Q$slot\E$/,@got_slots)) ||
+ &space_available($slot,$slots{$slot},$symb)) {
+ my $text=&mt('Select');
+ my $command='get';
+ if (grep(/^\Q$slot\E$/,@got_slots)) {
+ $text=&mt('Free Reservation');
+ $command='release';
+ } else {
+ my $conflict = &check_for_conflict($symb,$slot,$slots{$slot},
+ \%slots,
+ $consumed_uniqueperiods);
+ if ($conflict) {
+ $text=&mt('Change Reservation');
+ $command='get';
+ }
+ }
my $escsymb=&Apache::lonnet::escape($symb);
$form=<<STUFF;
<form method="POST" action="/adm/slotrequest">
- <input type="submit" name="Select" value="Select" />
+ <input type="submit" name="Select" value="$text" />
<input type="hidden" name="symb" value="$escsymb" />
<input type="hidden" name="slotname" value="$slot" />
- <input type="hidden" name="command" value="get" />
+ <input type="hidden" name="command" value="$command" />
</form>
STUFF
}
@@ -331,27 +649,712 @@ STUFF
}
if (!$available) {
- $r->print('<tr><td>No avaliable times. <a href="/adm/flip?postdata=return:">'.
+ $r->print('<tr><td>No available times. <a href="/adm/flip?postdata=return:">'.
&mt('Return to last resource').'</a></td></tr>');
}
$r->print('</table>');
}
+sub to_show {
+ my ($slot,$when,$deleted) = @_;
+ my $time=time;
+ my $week=60*60*24*7;
+ if ($deleted eq 'hide' && $slot->{'type'} eq 'deleted') {
+ return 0;
+ }
+ if ($when eq 'any') {
+ return 1;
+ } elsif ($when eq 'now') {
+ if ($time > $slot->{'starttime'} &&
+ $time < $slot->{'endtime'}) {
+ return 1;
+ }
+ return 0;
+ } elsif ($when eq 'nextweek') {
+ if ( ($time < $slot->{'starttime'} &&
+ ($time+$week) > $slot->{'starttime'})
+ ||
+ ($time < $slot->{'endtime'} &&
+ ($time+$week) > $slot->{'endtime'}) ) {
+ return 1;
+ }
+ return 0;
+ } elsif ($when eq 'lastweek') {
+ if ( ($time > $slot->{'starttime'} &&
+ ($time-$week) < $slot->{'starttime'})
+ ||
+ ($time > $slot->{'endtime'} &&
+ ($time-$week) < $slot->{'endtime'}) ) {
+ return 1;
+ }
+ return 0;
+ } elsif ($when eq 'willopen') {
+ if ($time < $slot->{'starttime'}) {
+ return 1;
+ }
+ return 0;
+ } elsif ($when eq 'wereopen') {
+ if ($time > $slot->{'endtime'}) {
+ return 1;
+ }
+ return 0;
+ }
+
+ return 1;
+}
+
+sub remove_link {
+ my ($slotname,$entry,$uname,$udom,$symb) = @_;
+
+ $slotname = &Apache::lonnet::escape($slotname);
+ $entry = &Apache::lonnet::escape($entry);
+ $uname = &Apache::lonnet::escape($uname);
+ $udom = &Apache::lonnet::escape($udom);
+ $symb = &Apache::lonnet::escape($symb);
+
+ my $remove= &mt('Remove');
+
+ return <<"END_LINK";
+ <a href="/adm/slotrequest?command=remove_registration&slotname=$slotname&entry=$entry&uname=$uname&udom=$udom&symb=$symb"
+ >($remove)</a>
+END_LINK
+
+}
+
+sub show_table {
+ my ($r,$mgr)=@_;
+
+ my ($cnum,$cdom)=&get_course();
+ my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
+ if ( (keys(%slots))[0] =~ /^error: 2 /) {
+ undef(%slots);
+ }
+ my $available;
+ if ($mgr eq 'F') {
+ $r->print('<div>');
+ $r->print('<form method="POST" action="/adm/slotrequest">
+<input type="hidden" name="command" value="uploadstart" />
+<input type="submit" name="start" value="'.&mt('Upload Slot List').'" />
+</form>');
+ $r->print('<form method="POST" action="/adm/helper/newslot.helper">
+<input type="submit" name="newslot" value="'.&mt('Create a New Slot').'" />
+</form>');
+ $r->print('</div>');
+ }
+
+ my %Saveable_Parameters = ('show' => 'array',
+ 'when' => 'scalar',
+ 'order' => 'scalar',
+ 'deleted' => 'scalar',
+ );
+ &Apache::loncommon::store_course_settings('slotrequest',
+ \%Saveable_Parameters);
+ &Apache::loncommon::restore_course_settings('slotrequest',
+ \%Saveable_Parameters);
+ &Apache::grades::init_perm();
+ my ($classlist,$section,$fullname)=&Apache::grades::getclasslist('all');
+ &Apache::grades::reset_perm();
+
+ my %show_fields=&Apache::lonlocal::texthash(
+ 'name' => 'Slot Name',
+ 'description' => 'Description',
+ 'type' => 'Type',
+ 'starttime' => 'Start time',
+ 'endtime' => 'End Time',
+ 'startreserve' => 'Time students can start reserving',
+ 'secret' => 'Secret Word',
+ 'maxspace' => 'Maximum # of students',
+ 'ip' => 'IP or DNS restrictions',
+ 'symb' => 'Resource slot is restricted to.',
+ 'allowedsections' => 'Sections slot is restricted to.',
+ 'allowedusers' => 'Users slot is restricted to.',
+ 'uniqueperiod' => 'Period of time slot is unique',
+ 'scheduled' => 'Scheduled Students',
+ 'proctor' => 'List of proctors');
+ my @show_order=('name','description','type','starttime','endtime',
+ 'startreserve','secret','maxspace','ip','symb',
+ 'allowedsections','allowedusers','uniqueperiod',
+ 'scheduled','proctor');
+ my @show =
+ (exists($env{'form.show'})) ? &Apache::loncommon::get_env_multiple('form.show')
+ : keys(%show_fields);
+ my %show = map { $_ => 1 } (@show);
+
+ my %when_fields=&Apache::lonlocal::texthash(
+ 'now' => 'Open now',
+ 'nextweek' => 'Open within the next week',
+ 'lastweek' => 'Were open last week',
+ 'willopen' => 'Will open later',
+ 'wereopen' => 'Were open',
+ 'any' => 'Anytime',
+ );
+ my @when_order=('any','now','nextweek','lastweek','willopen','wereopen');
+ $when_fields{'select_form_order'} = \@when_order;
+ my $when = (exists($env{'form.when'})) ? $env{'form.when'}
+ : 'now';
+
+ my %stu_display_fields=
+ &Apache::lonlocal::texthash('username' => 'User name',
+ 'fullname' => 'Full name',
+ );
+ my @stu_display_order=('fullname','username');
+ my @stu_display =
+ (exists($env{'form.studisplay'})) ? &Apache::loncommon::get_env_multiple('form.studisplay')
+ : keys(%stu_display_fields);
+ my %stu_display = map { $_ => 1 } (@stu_display);
+
+ my $hide_radio =
+ &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'hide');
+ my $show_radio =
+ &Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'show');
+
+ $r->print('<form method="POST" action="/adm/slotrequest">
+<input type="hidden" name="command" value="showslots" />');
+ $r->print('<div>');
+ $r->print('<table class="inline">
+ <tr><th>'.&mt('Show').'</th>
+ <th>'.&mt('Student Display').'</th>
+ <th>'.&mt('Open').'</th>
+ <th>'.&mt('Options').'</th>
+ </tr>
+ <tr><td>'.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order).
+ '</td>
+ <td>
+ '.&Apache::loncommon::multiple_select_form('studisplay',\@stu_display,
+ 6,\%stu_display_fields,
+ \@stu_display_order).'
+ </td>
+ <td>'.&Apache::loncommon::select_form($when,'when',%when_fields).
+ '</td>
+ <td>
+ <table>
+ <tr>
+ <td rowspan="2">Deleted slots:</td>
+ <td><label>'.$show_radio.'Show</label></td>
+ </tr>
+ <tr>
+ <td><label>'.$hide_radio.'Hide</label></td>
+ </tr>
+ </table>
+ </td>
+ </tr>
+ </table>');
+ $r->print('</div>');
+ $r->print('<p><input type="submit" name="start" value="'.&mt('Update Display').'" /></p>');
+ my $linkstart='<a href="/adm/slotrequest?command=showslots&order=';
+ $r->print('<table class="thinborder">
+<tr>
+ <th></th>');
+ foreach my $which (@show_order) {
+ if ($which ne 'proctor' && exists($show{$which})) {
+ $r->print('<th>'.$linkstart.$which.'">'.$show_fields{$which}.'</a></th>');
+ }
+ }
+
+ my %name_cache;
+ my $slotsort = sub {
+ if ($env{'form.order'}=~/^(type|description|endtime|startreserve|maxspace|ip|symb|allowedsections|allowedusers)$/) {
+ if (lc($slots{$a}->{$env{'form.order'}})
+ ne lc($slots{$b}->{$env{'form.order'}})) {
+ return (lc($slots{$a}->{$env{'form.order'}})
+ cmp lc($slots{$b}->{$env{'form.order'}}));
+ }
+ } elsif ($env{'form.order'} eq 'name') {
+ if (lc($a) cmp lc($b)) {
+ return lc($a) cmp lc($b);
+ }
+ } elsif ($env{'form.order'} eq 'uniqueperiod') {
+
+ if ($slots{$a}->{'uniqueperiod'}[0]
+ ne $slots{$b}->{'uniqueperiod'}[0]) {
+ return ($slots{$a}->{'uniqueperiod'}[0]
+ cmp $slots{$b}->{'uniqueperiod'}[0]);
+ }
+ if ($slots{$a}->{'uniqueperiod'}[1]
+ ne $slots{$b}->{'uniqueperiod'}[1]) {
+ return ($slots{$a}->{'uniqueperiod'}[1]
+ cmp $slots{$b}->{'uniqueperiod'}[1]);
+ }
+ }
+ return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'};
+ };
+ foreach my $slot (sort $slotsort (keys(%slots))) {
+ if (!&to_show($slots{$slot},$when,$env{'form.deleted'})) { next; }
+ if (defined($slots{$slot}->{'type'})
+ && $slots{$slot}->{'type'} ne 'schedulable_student') {
+ #next;
+ }
+ my $description=&get_description($slot,$slots{$slot});
+ my $ids;
+ if (exists($show{'scheduled'})) {
+ my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
+ "^$slot\0");
+ my ($tmp)=%consumed;
+ if ($tmp !~ /^error: /) {
+ foreach my $entry (sort(keys(%consumed))) {
+ my (undef,$id)=split("\0",$entry);
+ my ($uname,$udom) = split('@',$consumed{$entry}{'name'});
+ $ids.= '<nobr>';
+ foreach my $item (@stu_display_order) {
+ if ($stu_display{$item}) {
+ if ($item eq 'fullname') {
+ $ids.=$fullname->{"$uname:$udom"}.' ';
+ } elsif ($item eq 'username') {
+ $ids.="<tt>$uname\@$udom</tt> ";
+ }
+ }
+ }
+ $ids.=&remove_link($slot,$entry,$uname,$udom,
+ $consumed{$entry}{'symb'}).'</nobr><br />';
+ }
+ }
+ }
+
+ my $start=($slots{$slot}->{'starttime'}?
+ &Apache::lonlocal::locallocaltime($slots{$slot}->{'starttime'}):'');
+ my $end=($slots{$slot}->{'endtime'}?
+ &Apache::lonlocal::locallocaltime($slots{$slot}->{'endtime'}):'');
+ my $start_reserve=($slots{$slot}->{'startreserve'}?
+ &Apache::lonlocal::locallocaltime($slots{$slot}->{'startreserve'}):'');
+
+ my $unique;
+ if (ref($slots{$slot}{'uniqueperiod'})) {
+ $unique=localtime($slots{$slot}{'uniqueperiod'}[0]).','.
+ localtime($slots{$slot}{'uniqueperiod'}[1]);
+ }
+
+ my $title;
+ if (exists($slots{$slot}{'symb'})) {
+ my (undef,undef,$res)=
+ &Apache::lonnet::decode_symb($slots{$slot}{'symb'});
+ $res = &Apache::lonnet::clutter($res);
+ $title = &Apache::lonnet::gettitle($slots{$slot}{'symb'});
+ $title='<a href="'.$res.'?symb='.$slots{$slot}{'symb'}.'">'.$title.'</a>';
+ }
+
+ my $allowedsections;
+ if (exists($show{'allowedsections'})) {
+ $allowedsections =
+ join(', ',sort(split(/\s*,\s*/,
+ $slots{$slot}->{'allowedsections'})));
+ }
+
+ my @allowedusers;
+ if (exists($show{'allowedusers'})) {
+ @allowedusers= map {
+ my ($uname,$udom)=split(/:/,$_);
+ my $fullname=$name_cache{$_};
+ if (!defined($fullname)) {
+ $fullname = &Apache::loncommon::plainname($uname,$udom);
+ $fullname =~s/\s/ /g;
+ $name_cache{$_} = $fullname;
+ }
+ &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
+ } (sort(split(/\s*,\s*/,$slots{$slot}->{'allowedusers'})));
+ }
+ my $allowedusers=join(', ',@allowedusers);
+
+ my @proctors;
+ my $rowspan=1;
+ my $colspan=1;
+ if (exists($show{'proctor'})) {
+ $rowspan=2;
+ @proctors= map {
+ my ($uname,$udom)=split(/@/,$_);
+ my $fullname=$name_cache{$_};
+ if (!defined($fullname)) {
+ $fullname = &Apache::loncommon::plainname($uname,$udom);
+ $fullname =~s/\s/ /g;
+ $name_cache{$_} = $fullname;
+ }
+ &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
+ } (sort(split(/\s*,\s*/,$slots{$slot}->{'proctor'})));
+ }
+ my $proctors=join(', ',@proctors);
+
+ my $edit=(<<"EDITLINK");
+<a href="/adm/helper/newslot.helper?name=$slot">Edit</a>
+EDITLINK
+
+ my $delete=(<<"DELETELINK");
+<a href="/adm/slotrequest?command=delete&slotname=$slot">Delete</a>
+DELETELINK
+ if ($ids ne '') { undef($delete); }
+
+ $r->print("<tr>\n<td rowspan=\"$rowspan\">$edit $delete</td>\n");
+ if (exists($show{'name'})) {
+ $colspan++;$r->print("<td>$slot</td>");
+ }
+ if (exists($show{'description'})) {
+ $colspan++;$r->print("<td>$description</td>\n");
+ }
+ if (exists($show{'type'})) {
+ $colspan++;$r->print("<td>$slots{$slot}->{'type'}</td>\n");
+ }
+ if (exists($show{'starttime'})) {
+ $colspan++;$r->print("<td>$start</td>\n");
+ }
+ if (exists($show{'endtime'})) {
+ $colspan++;$r->print("<td>$end</td>\n");
+ }
+ if (exists($show{'startreserve'})) {
+ $colspan++;$r->print("<td>$start_reserve</td>\n");
+ }
+ if (exists($show{'secret'})) {
+ $colspan++;$r->print("<td>$slots{$slot}{'secret'}</td>\n");
+ }
+ if (exists($show{'maxspace'})) {
+ $colspan++;$r->print("<td>$slots{$slot}{'maxspace'}</td>\n");
+ }
+ if (exists($show{'ip'})) {
+ $colspan++;$r->print("<td>$slots{$slot}{'ip'}</td>\n");
+ }
+ if (exists($show{'symb'})) {
+ $colspan++;$r->print("<td>$title</td>\n");
+ }
+ if (exists($show{'allowedsections'})) {
+ $colspan++;$r->print("<td>$allowedsections</td>\n");
+ }
+ if (exists($show{'allowedusers'})) {
+ $colspan++;$r->print("<td>$allowedusers</td>\n");
+ }
+ if (exists($show{'scheduled'})) {
+ $colspan++;$r->print("<td>$ids</td>\n</tr>\n");
+ }
+ if (exists($show{'proctor'})) {
+ $r->print(<<STUFF);
+<tr>
+ <td colspan="$colspan">$proctors</td>
+</tr>
+STUFF
+ }
+ }
+ $r->print('</table>');
+}
+
+sub upload_start {
+ my ($r)=@_;
+ $r->print(&Apache::grades::checkforfile_js());
+ my $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
+ $result.=' <b>'.
+ &mt('Specify a file containing the slot definitions.').
+ '</b></td></tr>'."\n";
+ $result.='<tr bgcolor=#ffffe6><td>'."\n";
+ my $upfile_select=&Apache::loncommon::upfile_select_html();
+ my $ignore=&mt('Ignore First Line');
+ $result.=<<ENDUPFORM;
+<form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
+<input type="hidden" name="command" value="csvuploadmap" />
+$upfile_select
+<br /><input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Data" />
+<label><input type="checkbox" name="noFirstLine" />$ignore</label>
+</form>
+ENDUPFORM
+ $result.='</td></tr></table>'."\n";
+ $result.='</td></tr></table>'."\n";
+ $r->print($result);
+}
+
+sub csvuploadmap_header {
+ my ($r,$datatoken,$distotal)= @_;
+ my $javascript;
+ if ($env{'form.upfile_associate'} eq 'reverse') {
+ $javascript=&csvupload_javascript_reverse_associate();
+ } else {
+ $javascript=&csvupload_javascript_forward_associate();
+ }
+
+ my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
+ my $ignore=&mt('Ignore First Line');
+ $r->print(<<ENDPICK);
+<form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
+<h3>Identify fields</h3>
+Total number of records found in file: $distotal <hr />
+Enter as many fields as you can. The system will inform you and bring you back
+to this page if the data selected is insufficient to create the slots.<hr />
+<input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
+<label><input type="checkbox" name="noFirstLine" $checked />$ignore</label>
+<input type="hidden" name="associate" value="" />
+<input type="hidden" name="datatoken" value="$datatoken" />
+<input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
+<input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
+<input type="hidden" name="upfile_associate"
+ value="$env{'form.upfile_associate'}" />
+<input type="hidden" name="command" value="csvuploadassign" />
+<hr />
+<script type="text/javascript" language="Javascript">
+$javascript
+</script>
+ENDPICK
+ return '';
+
+}
+
+sub csvuploadmap_footer {
+ my ($request,$i,$keyfields) =@_;
+ $request->print(<<ENDPICK);
+</table>
+<input type="hidden" name="nfields" value="$i" />
+<input type="hidden" name="keyfields" value="$keyfields" />
+<input type="button" onClick="javascript:verify(this.form)" value="Create Slots" /><br />
+</form>
+ENDPICK
+}
+
+sub csvupload_javascript_reverse_associate {
+ my $error1=&mt('You need to specify the name, starttime, endtime and a type');
+ return(<<ENDPICK);
+ function verify(vf) {
+ var foundstart=0;
+ var foundend=0;
+ var foundname=0;
+ var foundtype=0;
+ for (i=0;i<=vf.nfields.value;i++) {
+ tw=eval('vf.f'+i+'.selectedIndex');
+ if (i==0 && tw!=0) { foundname=1; }
+ if (i==1 && tw!=0) { foundtype=1; }
+ if (i==2 && tw!=0) { foundstat=1; }
+ if (i==3 && tw!=0) { foundend=1; }
+ }
+ if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
+ alert('$error1');
+ return;
+ }
+ vf.submit();
+ }
+ function flip(vf,tf) {
+ }
+ENDPICK
+}
+
+sub csvupload_javascript_forward_associate {
+ my $error1=&mt('You need to specify the name, starttime, endtime and a type');
+ return(<<ENDPICK);
+ function verify(vf) {
+ var foundstart=0;
+ var foundend=0;
+ var foundname=0;
+ var foundtype=0;
+ for (i=0;i<=vf.nfields.value;i++) {
+ tw=eval('vf.f'+i+'.selectedIndex');
+ if (tw==1) { foundname=1; }
+ if (tw==2) { foundtype=1; }
+ if (tw==3) { foundstat=1; }
+ if (tw==4) { foundend=1; }
+ }
+ if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
+ alert('$error1');
+ return;
+ }
+ vf.submit();
+ }
+ function flip(vf,tf) {
+ }
+ENDPICK
+}
+
+sub csv_upload_map {
+ my ($r)= @_;
+
+ my $datatoken;
+ if (!$env{'form.datatoken'}) {
+ $datatoken=&Apache::loncommon::upfile_store($r);
+ } else {
+ $datatoken=$env{'form.datatoken'};
+ &Apache::loncommon::load_tmp_file($r);
+ }
+ my @records=&Apache::loncommon::upfile_record_sep();
+ if ($env{'form.noFirstLine'}) { shift(@records); }
+ &csvuploadmap_header($r,$datatoken,$#records+1);
+ my ($i,$keyfields);
+ if (@records) {
+ my @fields=&csvupload_fields();
+
+ if ($env{'form.upfile_associate'} eq 'reverse') {
+ &Apache::loncommon::csv_print_samples($r,\@records);
+ $i=&Apache::loncommon::csv_print_select_table($r,\@records,
+ \@fields);
+ foreach (@fields) { $keyfields.=$_->[0].','; }
+ chop($keyfields);
+ } else {
+ unshift(@fields,['none','']);
+ $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
+ \@fields);
+ my %sone=&Apache::loncommon::record_sep($records[0]);
+ $keyfields=join(',',sort(keys(%sone)));
+ }
+ }
+ &csvuploadmap_footer($r,$i,$keyfields);
+
+ return '';
+}
+
+sub csvupload_fields {
+ return (['name','Slot name'],
+ ['type','Type of slot'],
+ ['starttime','Start Time of slot'],
+ ['endtime','End Time of slot'],
+ ['startreserve','Reservation Start Time'],
+ ['ip','IP or DNS restriction'],
+ ['proctor','List of proctor ids'],
+ ['description','Slot Description'],
+ ['maxspace','Maximum number of reservations'],
+ ['symb','Resource Restriction'],
+ ['uniqueperiod','Date range of slot exclusion'],
+ ['secret','Secret word proctor uses to validate'],
+ ['allowedsections','Sections slot is restricted to'],
+ ['allowedusers','Users slot is restricted to'],
+ );
+}
+
+sub csv_upload_assign {
+ my ($r,$mgr)= @_;
+ &Apache::loncommon::load_tmp_file($r);
+ my @slotdata = &Apache::loncommon::upfile_record_sep();
+ if ($env{'form.noFirstLine'}) { shift(@slotdata); }
+ my %fields=&Apache::grades::get_fields();
+ $r->print('<h3>Creating Slots</h3>');
+ my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
+ my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
+ my $countdone=0;
+ my @errors;
+ foreach my $slot (@slotdata) {
+ my %slot;
+ my %entries=&Apache::loncommon::record_sep($slot);
+ my $domain;
+ my $name=$entries{$fields{'name'}};
+ if ($name=~/^\s*$/) {
+ push(@errors,"Did not create slot with no name");
+ next;
+ }
+ if ($name=~/\s/) {
+ push(@errors,"$name not created -- Name must not contain spaces");
+ next;
+ }
+ if ($name=~/\W/) {
+ push(@errors,"$name not created -- Name must contain only letters, numbers and _");
+ next;
+ }
+ if ($entries{$fields{'type'}}) {
+ $slot{'type'}=$entries{$fields{'type'}};
+ } else {
+ $slot{'type'}='preassigned';
+ }
+ if ($slot{'type'} ne 'preassigned' &&
+ $slot{'type'} ne 'schedulable_student') {
+ push(@errors,"$name not created -- invalid type ($slot{'type'}) must be either preassigned or schedulable_student");
+ next;
+ }
+ if ($entries{$fields{'starttime'}}) {
+ $slot{'starttime'}=&UnixDate($entries{$fields{'starttime'}},"%s");
+ }
+ if ($entries{$fields{'endtime'}}) {
+ $slot{'endtime'}=&UnixDate($entries{$fields{'endtime'}},"%s");
+ }
+ if ($entries{$fields{'startreserve'}}) {
+ $slot{'startreserve'}=
+ &UnixDate($entries{$fields{'startreserve'}},"%s");
+ }
+ foreach my $key ('ip','proctor','description','maxspace',
+ 'secret','symb') {
+ if ($entries{$fields{$key}}) {
+ $slot{$key}=$entries{$fields{$key}};
+ }
+ }
+ if ($entries{$fields{'uniqueperiod'}}) {
+ my ($start,$end)=split(',',$entries{$fields{'uniqueperiod'}});
+ my @times=(&UnixDate($start,"%s"),
+ &UnixDate($end,"%s"));
+ $slot{'uniqueperiod'}=\@times;
+ }
+
+ &Apache::lonnet::cput('slots',{$name=>\%slot},$cdom,$cname);
+ $r->print('.');
+ $r->rflush();
+ $countdone++;
+ }
+ $r->print("<p>Created $countdone slots\n</p>");
+ foreach my $error (@errors) {
+ $r->print("<p>$error\n</p>");
+ }
+ &show_table($r,$mgr);
+ return '';
+}
+
sub handler {
my $r=shift;
- &start_page($r);
- my $symb=&Apache::lonnet::unescape($env{'form.symb'});
- my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb);
- if ($res !~ /\.task$/) {
- &fail($r,'not_valid');
+ &Apache::loncommon::content_type($r,'text/html');
+ &Apache::loncommon::no_cache($r);
+ if ($r->header_only()) {
+ $r->send_http_header();
return OK;
}
+
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
- if ($env{'form.requestattempt'}) {
- &show_choices($r,$symb);
- } elsif ($env{'form.command'} eq 'get') {
- &get_slot($r,$symb);
+ my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
+ my $mgr=&Apache::lonnet::allowed('mgr',$env{'request.course.id'});
+ my $title='Requesting Another Worktime';
+ if ($env{'form.command'} =~ /^(showslots|uploadstart|csvuploadmap|csvuploadassign)$/ && $vgr eq 'F') {
+ $title = 'Managing Slots';
+ }
+ &start_page($r,$title);
+
+ if ($env{'form.command'} eq 'showslots' && $vgr eq 'F') {
+ &show_table($r,$mgr);
+ } elsif ($env{'form.command'} eq 'remove_registration' && $mgr eq 'F') {
+ &remove_registration($r);
+ } elsif ($env{'form.command'} eq 'release' && $mgr eq 'F') {
+ &release_slot($r,undef,undef,undef,$mgr);
+ } elsif ($env{'form.command'} eq 'delete' && $mgr eq 'F') {
+ &delete_slot($r);
+ } elsif ($env{'form.command'} eq 'uploadstart' && $mgr eq 'F') {
+ &upload_start($r);
+ } elsif ($env{'form.command'} eq 'csvuploadmap' && $mgr eq 'F') {
+ &csv_upload_map($r);
+ } elsif ($env{'form.command'} eq 'csvuploadassign' && $mgr eq 'F') {
+ if ($env{'form.associate'} ne 'Reverse Association') {
+ &csv_upload_assign($r,$mgr);
+ } else {
+ if ( $env{'form.upfile_associate'} ne 'reverse' ) {
+ $env{'form.upfile_associate'} = 'reverse';
+ } else {
+ $env{'form.upfile_associate'} = 'forward';
+ }
+ &csv_upload_map($r);
+ }
+ } else {
+ my $symb=&Apache::lonnet::unescape($env{'form.symb'});
+ my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb);
+ my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
+ if ($useslots ne 'resource') {
+ &fail($r,'not_valid');
+ return OK;
+ }
+ $env{'request.symb'}=$symb;
+ my $type = ($res =~ /\.task$/) ? 'Task'
+ : 'problem';
+ my ($status) = &Apache::lonhomework::check_slot_access('0',$type);
+ if ($status eq 'CAN_ANSWER' ||
+ $status eq 'NEEDS_CHECKIN' ||
+ $status eq 'WAITING_FOR_GRADE') {
+ &fail($r,'not_allowed');
+ return OK;
+ }
+ if ($env{'form.requestattempt'}) {
+ &show_choices($r,$symb);
+ } elsif ($env{'form.command'} eq 'release') {
+ &release_slot($r,$symb);
+ } elsif ($env{'form.command'} eq 'get') {
+ &get_slot($r,$symb);
+ } elsif ($env{'form.command'} eq 'change') {
+ if (&release_slot($r,$symb,$env{'form.releaseslot'},1)) {
+ &get_slot($r,$symb);
+ }
+ } else {
+ $r->print("<p>Unknown command: ".$env{'form.command'}."</p>");
+ }
}
&end_page($r);
return OK;