Annotation of loncom/interface/slotrequest.pm, revision 1.68.2.2

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # Handler for requesting to have slots added to a students record
                      3: #
1.68.2.2! albertel    4: # $Id: slotrequest.pm,v 1.68.2.1 2006/10/29 16:23:58 albertel Exp $
1.1       albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
                     28: ###
                     29: 
                     30: package Apache::slotrequest;
                     31: 
                     32: use strict;
                     33: use Apache::Constants qw(:common :http :methods);
                     34: use Apache::loncommon();
                     35: use Apache::lonlocal;
                     36: use Apache::lonnet;
1.48      albertel   37: use Apache::lonnavmaps();
1.27      albertel   38: use Date::Manip;
1.63      www        39: use lib '/home/httpd/lib/perl/';
                     40: use LONCAPA;
1.1       albertel   41: 
                     42: sub fail {
                     43:     my ($r,$code)=@_;
1.2       albertel   44:     if ($code eq 'not_valid') {
1.8       albertel   45: 	$r->print('<p>'.&mt('Unable to understand what resource you wanted to sign up for.').'</p>');
1.61      albertel   46:     } elsif ($code eq 'not_available') {
                     47: 	$r->print('<p>'.&mt('No slots are available.').'</p>');
1.8       albertel   48:     } elsif ($code eq 'not_allowed') {
                     49: 	$r->print('<p>'.&mt('Not allowed to sign up or change reservations at this time.').'</p>');
                     50:     } else {
                     51: 	$r->print('<p>'.&mt('Failed.').'</p>');
1.2       albertel   52:     }
1.8       albertel   53:     
1.42      albertel   54:     &return_link($r);
1.1       albertel   55:     &end_page($r);
                     56: }
                     57: 
                     58: sub start_page {
1.28      albertel   59:     my ($r,$title)=@_;
1.52      albertel   60:     $r->print(&Apache::loncommon::start_page($title));
1.1       albertel   61: }
                     62: 
                     63: sub end_page {
                     64:     my ($r)=@_;
1.52      albertel   65:     $r->print(&Apache::loncommon::end_page());
1.1       albertel   66: }
                     67: 
1.2       albertel   68: =pod
                     69: 
                     70:  slot_reservations db
                     71:    - keys are 
                     72:     - slotname\0id -> value is an hashref of
                     73:                          name -> user@domain of holder
                     74:                          timestamp -> timestamp of reservation
                     75:                          symb -> symb of resource that it is reserved for
                     76: 
                     77: =cut
                     78: 
                     79: sub get_course {
                     80:     (undef,my $courseid)=&Apache::lonxml::whichuser();
                     81:     my $cdom=$env{'course.'.$courseid.'.domain'};
                     82:     my $cnum=$env{'course.'.$courseid.'.num'};
                     83:     return ($cnum,$cdom);
                     84: }
                     85: 
                     86: sub get_reservation_ids {
                     87:     my ($slot_name)=@_;
                     88:     
                     89:     my ($cnum,$cdom)=&get_course();
                     90: 
                     91:     my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
                     92: 				       "^$slot_name\0");
1.67      albertel   93:     if (&Apache::lonnet::error(%consumed)) { 
1.40      albertel   94: 	return 'error: Unable to determine current status';
                     95:     }
1.2       albertel   96:     my ($tmp)=%consumed;
                     97:     if ($tmp=~/^error: 2 / ) {
                     98: 	return 0;
                     99:     }
                    100:     return keys(%consumed);
                    101: }
                    102: 
                    103: sub space_available {
                    104:     my ($slot_name,$slot)=@_;
                    105:     my $max=$slot->{'maxspace'};
                    106: 
                    107:     if (!defined($max)) { return 1; }
                    108: 
                    109:     my $consumed=scalar(&get_reservation_ids($slot_name));
                    110:     if ($consumed < $max) {
                    111: 	return 1
                    112:     }
                    113:     return 0;
                    114: }
1.3       albertel  115: 
1.4       albertel  116: sub check_for_reservation {
1.43      albertel  117:     my ($symb,$mode)=@_;
1.4       albertel  118:     my $student = &Apache::lonnet::EXT("resource.0.availablestudent", $symb,
                    119: 				       $env{'user.domain'}, $env{'user.name'});
                    120: 
                    121:     my $course = &Apache::lonnet::EXT("resource.0.available", $symb,
                    122: 				    $env{'user.domain'}, $env{'user.name'});
                    123:     my @slots = (split(/:/,$student), split(/:/, $course));
                    124: 
                    125:     &Apache::lonxml::debug(" slot list is ".join(':',@slots));
                    126: 
                    127:     my ($cnum,$cdom)=&get_course();
                    128:     my %slots=&Apache::lonnet::get('slots', [@slots], $cdom, $cnum);
                    129: 
1.67      albertel  130:     if (&Apache::lonnet::error($student) 
                    131: 	|| &Apache::lonnet::error($course)
                    132: 	|| &Apache::lonnet::error(%slots)) {
1.41      albertel  133: 	return 'error: Unable to determine current status';
                    134:     }    
1.43      albertel  135:     my @got;
                    136:     foreach my $slot_name (sort {
                    137: 	if (ref($slots{$a}) && ref($slots{$b})) {
                    138: 	    return $slots{$a}{'starttime'} <=> $slots{$b}{'starttime'}
                    139: 	}
                    140: 	if (ref($slots{$a})) { return -1;}
                    141: 	if (ref($slots{$b})) { return 1;}
                    142: 	return 0;
                    143:     } @slots) {
1.4       albertel  144: 	next if (!defined($slots{$slot_name}) ||
                    145: 		 !ref($slots{$slot_name}));
                    146: 	&Apache::lonxml::debug(time." $slot_name ".
                    147: 			       $slots{$slot_name}->{'starttime'}." -- ".
                    148: 			       $slots{$slot_name}->{'startreserve'});
1.7       albertel  149: 	if ($slots{$slot_name}->{'endtime'} > time &&
1.4       albertel  150: 	    $slots{$slot_name}->{'startreserve'} < time) {
1.7       albertel  151: 	    # between start of reservation times and end of slot
1.43      albertel  152: 	    if ($mode eq 'allslots') {
                    153: 		push(@got,$slot_name);
                    154: 	    } else {
                    155: 		return($slot_name, $slots{$slot_name});
                    156: 	    }
1.4       albertel  157: 	}
                    158:     }
1.43      albertel  159:     if ($mode eq 'allslots' && @got) {
                    160: 	return @got;
                    161:     }
1.4       albertel  162:     return (undef,undef);
                    163: }
                    164: 
1.48      albertel  165: sub get_consumed_uniqueperiods {
                    166:     my ($slots) = @_;
                    167:     my $navmap=Apache::lonnavmaps::navmap->new;
                    168:     my @problems = $navmap->retrieveResources(undef,
                    169: 					      sub { $_[0]->is_problem() },1,0);
                    170:     my %used_slots;
                    171:     foreach my $problem (@problems) {
                    172: 	my $symb = $problem->symb();
                    173: 	my $student = &Apache::lonnet::EXT("resource.0.availablestudent",
                    174: 					   $symb, $env{'user.domain'},
                    175: 					   $env{'user.name'});
                    176: 	my $course =  &Apache::lonnet::EXT("resource.0.available",
                    177: 					   $symb, $env{'user.domain'},
                    178: 					   $env{'user.name'});
1.67      albertel  179: 	if (&Apache::lonnet::error($student) 
                    180: 	    || &Apache::lonnet::error($course)) {
1.48      albertel  181: 	    return 'error: Unable to determine current status';
                    182: 	}
                    183: 	foreach my $slot (split(/:/,$student), split(/:/, $course)) {
                    184: 	    $used_slots{$slot}=1;
                    185: 	}
                    186:     }
1.43      albertel  187: 
                    188:     if (!ref($slots)) {
1.48      albertel  189: 	my ($cnum,$cdom)=&get_course();
                    190: 	my %slots=&Apache::lonnet::get('slots', [keys(%used_slots)], $cdom, $cnum);
1.67      albertel  191: 	if (&Apache::lonnet::error(%slots)) {
1.48      albertel  192: 	    return 'error: Unable to determine current status';
                    193: 	}
1.43      albertel  194: 	$slots = \%slots;
                    195:     }
1.41      albertel  196: 
1.48      albertel  197:     my %consumed_uniqueperiods;
                    198:     foreach my $slot_name (keys(%used_slots)) {
1.43      albertel  199: 	next if (!defined($slots->{$slot_name}) ||
                    200: 		 !ref($slots->{$slot_name}));
1.48      albertel  201: 	
1.43      albertel  202:         next if (!defined($slots->{$slot_name}{'uniqueperiod'}) ||
                    203: 		 !ref($slots->{$slot_name}{'uniqueperiod'}));
1.48      albertel  204: 	$consumed_uniqueperiods{$slot_name} = 
                    205: 	    $slots->{$slot_name}{'uniqueperiod'};
                    206:     }
                    207:     return \%consumed_uniqueperiods;
                    208: }
                    209: 
                    210: sub check_for_conflict {
                    211:     my ($symb,$new_slot_name,$new_slot,$slots,$consumed_uniqueperiods)=@_;
                    212: 
                    213:     if (!defined($new_slot->{'uniqueperiod'})) { return undef; }
                    214: 
                    215:     if (!ref($consumed_uniqueperiods)) {
                    216: 	$consumed_uniqueperiods = &get_consumed_uniqueperiods($slots);
1.67      albertel  217: 	if (&Apache::lonnet::error(%$consumed_uniqueperiods)) {
1.48      albertel  218: 	    return 'error: Unable to determine current status';
                    219: 	}
                    220:     }
                    221:     
                    222:     my ($new_uniq_start,$new_uniq_end) = @{$new_slot->{'uniqueperiod'}};
                    223:     foreach my $slot_name (keys(%$consumed_uniqueperiods)) {
                    224: 	my ($start,$end)=@{$consumed_uniqueperiods->{$slot_name}};
1.43      albertel  225: 	if (!
                    226: 	    ($start < $new_uniq_start &&  $end < $new_uniq_start) ||
                    227: 	    ($start > $new_uniq_end   &&  $end > $new_uniq_end  )) {
1.5       albertel  228: 	    return $slot_name;
                    229: 	}
                    230:     }
                    231:     return undef;
                    232: 
                    233: }
                    234: 
1.2       albertel  235: sub make_reservation {
                    236:     my ($slot_name,$slot,$symb)=@_;
1.3       albertel  237: 
                    238:     my ($cnum,$cdom)=&get_course();
                    239: 
                    240:     my $value=&Apache::lonnet::EXT("resource.0.availablestudent",$symb,
                    241: 				   $env{'user.domain'},$env{'user.name'});
                    242:     &Apache::lonxml::debug("value is  $value<br />");
1.59      albertel  243: 
                    244:     my $use_slots = &Apache::lonnet::EXT("resource.0.useslots");
                    245:     &Apache::lonxml::debug("use_slots is  $use_slots<br />");
                    246: 
1.67      albertel  247:     if (&Apache::lonnet::error($value) 
                    248: 	|| &Apache::lonnet::error($use_slots)) { 
1.40      albertel  249: 	return 'error: Unable to determine current status';
                    250:     }
                    251: 
1.59      albertel  252:     my $parm_symb  = $symb;
                    253:     my $parm_level = 1;
1.66      albertel  254:     if ($use_slots eq 'map' || $use_slots eq 'map_map') {
1.59      albertel  255: 	my ($map) = &Apache::lonnet::decode_symb($symb);
                    256: 	$parm_symb = &Apache::lonnet::symbread($map);
                    257: 	$parm_level = 2;
                    258:     }
                    259: 
1.3       albertel  260:     foreach my $other_slot (split(/:/, $value)) {
                    261: 	if ($other_slot eq $slot_name) {
                    262: 	    my %consumed=&Apache::lonnet::dump('slot_reservations', $cdom,
                    263: 					       $cnum, "^$slot_name\0");   
1.67      albertel  264: 	    if (&Apache::lonnet::error($value)) { 
1.40      albertel  265: 		return 'error: Unable to determine current status';
                    266: 	    }
1.57      albertel  267: 	    my $me=$env{'user.name'}.':'.$env{'user.domain'};
1.3       albertel  268: 	    foreach my $key (keys(%consumed)) {
                    269: 		if ($consumed{$key}->{'name'} eq $me) {
                    270: 		    my $num=(split('\0',$key))[1];
                    271: 		    return -$num;
                    272: 		}
                    273: 	    }
                    274: 	}
                    275:     }
                    276: 
1.2       albertel  277:     my $max=$slot->{'maxspace'};
1.3       albertel  278:     if (!defined($max)) { $max=99999; }
1.2       albertel  279: 
                    280:     my (@ids)=&get_reservation_ids($slot_name);
1.67      albertel  281:     if (&Apache::lonnet::error(@ids)) { 
1.40      albertel  282: 	return 'error: Unable to determine current status';
                    283:     }
1.2       albertel  284:     my $last=0;
                    285:     foreach my $id (@ids) {
                    286: 	my $num=(split('\0',$id))[1];
                    287: 	if ($num > $last) { $last=$num; }
                    288:     }
                    289:     
                    290:     my $wanted=$last+1;
1.3       albertel  291:     &Apache::lonxml::debug("wanted $wanted<br />");
1.7       albertel  292:     if (scalar(@ids) >= $max) {
1.2       albertel  293: 	# full up
1.7       albertel  294: 	return undef;
1.2       albertel  295:     }
                    296:     
1.57      albertel  297:     my %reservation=('name'      => $env{'user.name'}.':'.$env{'user.domain'},
1.2       albertel  298: 		     'timestamp' => time,
1.59      albertel  299: 		     'symb'      => $parm_symb);
1.2       albertel  300: 
                    301:     my $success=&Apache::lonnet::newput('slot_reservations',
                    302: 					{"$slot_name\0$wanted" =>
                    303: 					     \%reservation},
1.3       albertel  304: 					$cdom, $cnum);
                    305: 
1.2       albertel  306:     if ($success eq 'ok') {
1.3       albertel  307: 	my $new_value=$slot_name;
                    308: 	if ($value) {
                    309: 	    $new_value=$value.':'.$new_value;
                    310: 	}
                    311: 	my $result=&Apache::lonparmset::storeparm_by_symb($symb,
                    312: 						      '0_availablestudent',
1.59      albertel  313: 						       $parm_level, $new_value,
                    314: 						       'string',
1.3       albertel  315: 						       $env{'user.name'},
                    316: 					               $env{'user.domain'});
                    317: 	&Apache::lonxml::debug("hrrm $result");
1.2       albertel  318: 	return $wanted;
                    319:     }
1.3       albertel  320: 
1.2       albertel  321:     # someone else got it
1.3       albertel  322:     return undef;
                    323: }
                    324: 
1.33      albertel  325: sub remove_registration {
                    326:     my ($r) = @_;
1.55      albertel  327:     if ($env{'form.entry'} ne 'remove all') {
                    328: 	return &remove_registration_user($r);
                    329:     }
                    330:     my $slot_name = $env{'form.slotname'};
                    331:     my %slot=&Apache::lonnet::get_slot($slot_name);
                    332: 
                    333:     my ($cnum,$cdom)=&get_course();
                    334:     my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
                    335: 				       "^$slot_name\0");
1.67      albertel  336:     if (&Apache::lonnet::error(%consumed)) {
1.55      albertel  337: 	$r->print("<p>".&mt('A network error has occured.').'</p>');
                    338: 	return;
                    339:     }
                    340:     if (!%consumed) {
                    341: 	$r->print("<p>".&mt('Slot <tt>[_1]</tt> has no reservations.',
                    342: 			    $slot_name)."</p>");
                    343: 	return;
                    344:     }
                    345: 
                    346:     my @names = map { $consumed{$_}{'name'} } (sort(keys(%consumed)));
                    347:     my $names = join(' ',@names);
                    348: 
                    349:     my $msg = &mt('Remove all of [_1] from slot [_2]?',$names,$slot_name);
                    350:     &remove_registration_confirmation($r,$msg,['entry','slotname']);
                    351: }
                    352: 
                    353: sub remove_registration_user {
                    354:     my ($r) = @_;
                    355:     
                    356:     my $slot_name = $env{'form.slotname'};
                    357: 
1.33      albertel  358:     my $name = &Apache::loncommon::plainname($env{'form.uname'},
                    359: 					     $env{'form.udom'});
                    360: 
                    361:     my $title = &Apache::lonnet::gettitle($env{'form.symb'});
                    362: 
1.55      albertel  363:     my $msg = &mt('Remove [_1] from slot [_2] for [_3]',
                    364: 		  $name,$slot_name,$title);
                    365:     
                    366:     &remove_registration_confirmation($r,$msg,['uname','udom','slotname',
                    367: 					       'entry','symb']);
                    368: }
                    369: 
                    370: sub remove_registration_confirmation {
                    371:     my ($r,$msg,$inputs) =@_;
                    372: 
1.33      albertel  373:     my $hidden_input;
1.55      albertel  374:     foreach my $parm (@{$inputs}) {
1.33      albertel  375: 	$hidden_input .=
                    376: 	    '<input type="hidden" name="'.$parm.'" value="'
                    377: 	    .&HTML::Entities::encode($env{'form.'.$parm},'"<>&\'').'" />'."\n";
                    378:     }
1.55      albertel  379:     my %lt = &Apache::lonlocal::texthash('yes' => 'Yes',
                    380: 					 'no'  => 'No',);
1.33      albertel  381:     $r->print(<<"END_CONFIRM");
1.55      albertel  382: <p> $msg </p>
1.64      albertel  383: <form action="/adm/slotrequest" method="post">
1.33      albertel  384:     <input type="hidden" name="command" value="release" />
1.55      albertel  385:     <input type="hidden" name="button" value="yes" />
1.33      albertel  386:     $hidden_input
1.55      albertel  387:     <input type="submit" value="$lt{'yes'}" />
1.33      albertel  388: </form>
1.64      albertel  389: <form action="/adm/slotrequest" method="post">
1.33      albertel  390:     <input type="hidden" name="command" value="showslots" />
1.55      albertel  391:     <input type="submit" value="$lt{'no'}" />
1.33      albertel  392: </form>
                    393: END_CONFIRM
                    394: 
                    395: }
                    396: 
1.55      albertel  397: sub release_all_slot {
                    398:     my ($r,$mgr)=@_;
                    399:     
                    400:     my $slot_name = $env{'form.slotname'};
                    401: 
                    402:     my ($cnum,$cdom)=&get_course();
                    403: 
                    404:     my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
                    405: 				       "^$slot_name\0");
                    406:     
                    407:     $r->print('<p>'.&mt('Releasing reservations').'</p>');
                    408: 
                    409:     foreach my $entry (sort { $consumed{$a}{'name'} cmp 
                    410: 				  $consumed{$b}{'name'} } (keys(%consumed))) {
1.57      albertel  411: 	my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
1.55      albertel  412: 	my ($result,$msg) =
                    413: 	    &release_reservation($slot_name,$uname,$udom,
                    414: 				 $consumed{$entry}{'symb'},$mgr);
                    415: 	$r->print("<p>$msg</p>");
                    416: 	$r->rflush();
                    417:     }
                    418:     $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
                    419: 	      &mt('Return to slot list').'</a></p>');
                    420:     &return_link($r);
                    421: }
                    422: 
1.5       albertel  423: sub release_slot {
1.33      albertel  424:     my ($r,$symb,$slot_name,$inhibit_return_link,$mgr)=@_;
1.6       albertel  425: 
                    426:     if ($slot_name eq '') { $slot_name=$env{'form.slotname'}; }
                    427: 
1.33      albertel  428:     my ($uname,$udom) = ($env{'user.name'}, $env{'user.domain'});
                    429:     if ($mgr eq 'F' 
                    430: 	&& defined($env{'form.uname'}) && defined($env{'form.udom'})) {
                    431: 	($uname,$udom) = ($env{'form.uname'}, $env{'form.udom'});
                    432:     }
                    433: 
                    434:     if ($mgr eq 'F' 
                    435: 	&& defined($env{'form.symb'})) {
1.68.2.2! albertel  436: 	$symb = &unescape($env{'form.symb'});
1.33      albertel  437:     }
1.55      albertel  438: 
                    439:     my ($result,$msg) =
                    440: 	&release_reservation($slot_name,$uname,$udom,$symb,$mgr);
                    441:     $r->print("<p>$msg</p>");
                    442:     
                    443:     if ($mgr eq 'F') {
                    444: 	$r->print('<p><a href="/adm/slotrequest?command=showslots">'.
                    445: 		  &mt('Return to slot list').'</a></p>');
                    446:     }
                    447: 
                    448:     if (!$inhibit_return_link) { &return_link($r);  }
                    449:     return $result;
                    450: }
                    451: 
                    452: sub release_reservation {
                    453:     my ($slot_name,$uname,$udom,$symb,$mgr) = @_;
1.39      albertel  454:     my %slot=&Apache::lonnet::get_slot($slot_name);
1.55      albertel  455:     my $description=&get_description($slot_name,\%slot);
1.33      albertel  456: 
1.39      albertel  457:     if ($mgr ne 'F') {
1.43      albertel  458: 	if ($slot{'starttime'} < time) {
1.55      albertel  459: 	    return (0,&mt('Not allowed to release Reservation: [_1], as it has already ended.',$description));
1.39      albertel  460: 	}
                    461:     }
1.5       albertel  462:     # get parameter string, check for existance, rebuild string with the slot
1.6       albertel  463:     my @slots = split(/:/,&Apache::lonnet::EXT("resource.0.availablestudent",
1.33      albertel  464: 					       $symb,$udom,$uname));
                    465: 
1.6       albertel  466:     my @new_slots;
                    467:     foreach my $exist_slot (@slots) {
                    468: 	if ($exist_slot eq $slot_name) { next; }
                    469: 	push(@new_slots,$exist_slot);
                    470:     }
                    471:     my $new_param = join(':',@new_slots);
1.5       albertel  472: 
1.55      albertel  473:     my ($cnum,$cdom)=&get_course();
                    474: 
1.5       albertel  475:     # get slot reservations, check if user has one, if so remove reservation
1.6       albertel  476:     my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
                    477: 				       "^$slot_name\0");
                    478:     foreach my $entry (keys(%consumed)) {
1.57      albertel  479: 	if ( $consumed{$entry}->{'name'} eq ($uname.':'.$udom) ) {
1.6       albertel  480: 	    &Apache::lonnet::del('slot_reservations',[$entry],
                    481: 				 $cdom,$cnum);
                    482: 	}
                    483:     }
1.33      albertel  484: 
1.59      albertel  485:     my $use_slots = &Apache::lonnet::EXT("resource.0.useslots");
                    486:     &Apache::lonxml::debug("use_slots is  $use_slots<br />");
                    487: 
1.67      albertel  488:     if (&Apache::lonnet::error($use_slots)) { 
1.59      albertel  489: 	return (0,'error: Unable to determine current status');
                    490:     }
                    491: 
                    492:     my $parm_level = 1;
1.66      albertel  493:     if ($use_slots eq 'map' || $use_slots eq 'map_map') {
1.59      albertel  494: 	$parm_level = 2;
                    495:     }
1.5       albertel  496:     # store new parameter string
1.6       albertel  497:     my $result=&Apache::lonparmset::storeparm_by_symb($symb,
                    498: 						      '0_availablestudent',
1.59      albertel  499: 						      $parm_level, $new_param,
                    500: 						      'string', $uname, $udom);
1.55      albertel  501: 
                    502:     my $msg;
1.33      albertel  503:     if ($mgr eq 'F') {
1.55      albertel  504: 	$msg = &mt('Released Reservation for user: [_1]',"$uname:$udom");
                    505:     } else {
                    506: 	$msg = &mt('Released Reservation: [_1]',$description);
1.33      albertel  507:     }
1.55      albertel  508:     return (1,$msg);
1.5       albertel  509: }
                    510: 
1.34      albertel  511: sub delete_slot {
                    512:     my ($r)=@_;
                    513: 
                    514:     my $slot_name = $env{'form.slotname'};
                    515:     my %slot=&Apache::lonnet::get_slot($slot_name);
                    516: 
                    517:     my ($cnum,$cdom)=&get_course();
                    518:     my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
                    519: 				       "^$slot_name\0");
1.38      albertel  520:     my ($tmp) = %consumed;
                    521:     if ($tmp =~ /error: 2/) { undef(%consumed); }
1.34      albertel  522: 
                    523:     if (%slot && !%consumed) {
                    524: 	$slot{'type'} = 'deleted';
                    525: 	my $ret = &Apache::lonnet::cput('slots', {$slot_name => \%slot},
                    526: 					$cdom, $cnum);
                    527: 	if ($ret eq 'ok') {
                    528: 	    $r->print("<p>Slot <tt>$slot_name</tt> marked as deleted.</p>");
                    529: 	} else {
                    530: 	    $r->print("<p> An error ($ret) occurse when attempting to delete Slot <tt>$slot_name</tt>.</p>");
                    531: 	}
                    532:     } else {
                    533: 	if (%consumed) {
                    534: 	    $r->print("<p>Slot <tt>$slot_name</tt> has active reservations.</p>");
                    535: 	} else {
                    536: 	    $r->print("<p>Slot <tt>$slot_name</tt> does not exist.</p>");
                    537: 	}
                    538:     }
                    539:     $r->print('<p><a href="/adm/slotrequest?command=showslots">'.
                    540: 	      &mt('Return to slot list').'</a></p>');
1.42      albertel  541:     &return_link($r);
1.34      albertel  542: }
                    543: 
1.40      albertel  544: sub return_link {
                    545:     my ($r) = @_;
                    546:     $r->print('<p><a href="/adm/flip?postdata=return:">'.
                    547: 	      &mt('Return to last resource').'</a></p>');
                    548: }
                    549: 
1.3       albertel  550: sub get_slot {
                    551:     my ($r,$symb)=@_;
                    552: 
1.43      albertel  553:     my %slot=&Apache::lonnet::get_slot($env{'form.slotname'});
                    554:     my $slot_name=&check_for_conflict($symb,$env{'form.slotname'},\%slot);
1.40      albertel  555: 
                    556:     if ($slot_name =~ /^error: (.*)/) {
                    557: 	$r->print("<p>An error occured while attempting to make a reservation. ($1)</p>");
                    558: 	&return_link($r);
                    559: 	return;
                    560:     }
1.5       albertel  561:     if ($slot_name) {
                    562: 	my %slot=&Apache::lonnet::get_slot($slot_name);
1.6       albertel  563: 	my $description1=&get_description($slot_name,\%slot);
                    564: 	%slot=&Apache::lonnet::get_slot($env{'form.slotname'});
                    565: 	my $description2=&get_description($env{'form.slotname'},\%slot);
                    566: 	$r->print("<p>Already have a reservation: $description1</p>");
1.7       albertel  567: 	if ($slot_name ne $env{'form.slotname'}) {
                    568: 	    $r->print(<<STUFF);
1.64      albertel  569: <form method="post" action="/adm/slotrequest">
1.6       albertel  570:    <input type="hidden" name="symb" value="$env{'form.symb'}" />
                    571:    <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
                    572:    <input type="hidden" name="releaseslot" value="$slot_name" />
                    573:    <input type="hidden" name="command" value="change" />
                    574: STUFF
1.7       albertel  575:             $r->print("<p>You can either ");
                    576: 	    $r->print(<<STUFF);
1.6       albertel  577:    <input type="submit" name="change" value="Change" />
                    578: STUFF
1.7       albertel  579: 	    $r->print(' your reservation from <b>'.$description1.'</b> to <b>'.
                    580: 		      $description2.
1.40      albertel  581: 		      '</b> <br />or </p>');
                    582: 	    &return_link($r);
1.7       albertel  583: 	    $r->print(<<STUFF);
1.6       albertel  584: </form>
                    585: STUFF
1.7       albertel  586:         } else {
1.40      albertel  587: 	    &return_link($r);
1.7       albertel  588: 	}
1.5       albertel  589: 	return;
                    590:     }
1.45      albertel  591: 
1.3       albertel  592:     my $reserved=&make_reservation($env{'form.slotname'},
                    593: 				   \%slot,$symb);
                    594:     my $description=&get_description($env{'form.slotname'},\%slot);
1.7       albertel  595:     if (defined($reserved)) {
1.40      albertel  596: 	if ($slot_name =~ /^error: (.*)/) {
                    597: 	    $r->print("<p>An error occured while attempting to make a reservation. ($1)</p>");
                    598: 	} elsif ($reserved > -1) {
1.7       albertel  599: 	    $r->print("<p>Success: $description</p>");
                    600: 	} elsif ($reserved < 0) {
                    601: 	    $r->print("<p>Already reserved: $description</p>");
                    602: 	}
1.40      albertel  603: 	&return_link($r);
                    604: 	return;
1.3       albertel  605:     }
                    606: 
1.7       albertel  607:     my %lt=('request'=>"Availibility list",
1.3       albertel  608: 	    'try'    =>'Try again');
                    609:     %lt=&Apache::lonlocal::texthash(%lt);
                    610: 
                    611:     $r->print(<<STUFF);
                    612: <p> <font color="red">Failed</font> to reserve a spot for $description. </p>
                    613: <p>
1.64      albertel  614: <form method="post" action="/adm/slotrequest">
1.3       albertel  615:    <input type="submit" name="Try Again" value="$lt{'try'}" />
                    616:    <input type="hidden" name="symb" value="$env{'form.symb'}" />
                    617:    <input type="hidden" name="slotname" value="$env{'form.slotname'}" />
                    618:    <input type="hidden" name="command" value="get" />
                    619: </form>
                    620: ?
                    621: </p>
                    622: <p>
                    623: or
1.64      albertel  624: <form method="post" action="/adm/slotrequest">
1.3       albertel  625:     <input type="hidden" name="symb" value="$env{'form.symb'}" />
                    626:     <input type="submit" name="requestattempt" value="$lt{'request'}" />
                    627: </form>
                    628: </p>
                    629: or
                    630: STUFF
1.42      albertel  631: 
                    632:     &return_link($r);
1.3       albertel  633:     return;
                    634: }
                    635: 
                    636: sub allowed_slot {
1.48      albertel  637:     my ($slot_name,$slot,$symb,$slots,$consumed_uniqueperiods)=@_;
1.49      albertel  638: 
1.3       albertel  639:     #already started
                    640:     if ($slot->{'starttime'} < time) {
1.5       albertel  641: 	# all open slot to be schedulable
                    642: 	#return 0;
1.3       albertel  643:     }
1.5       albertel  644:     &Apache::lonxml::debug("$slot_name starttime good");
1.49      albertel  645: 
1.3       albertel  646:     #already ended
                    647:     if ($slot->{'endtime'} < time) {
                    648: 	return 0;
                    649:     }
1.5       albertel  650:     &Apache::lonxml::debug("$slot_name endtime good");
1.49      albertel  651: 
1.3       albertel  652:     # not allowed to pick this one
                    653:     if (defined($slot->{'type'})
                    654: 	&& $slot->{'type'} ne 'schedulable_student') {
                    655: 	return 0;
                    656:     }
1.5       albertel  657:     &Apache::lonxml::debug("$slot_name type good");
1.49      albertel  658: 
1.53      albertel  659:     # reserve time not yet started
                    660:     if ($slot->{'startreserve'} > time) {
                    661: 	return 0;
                    662:     }
                    663:     &Apache::lonxml::debug("$slot_name reserve good");
                    664: 
1.50      albertel  665:     my $userallowed=0;
1.49      albertel  666:     # its for a different set of users
1.50      albertel  667:     if (defined($slot->{'allowedsections'})) {
                    668: 	if (!defined($env{'request.role.sec'})
                    669: 	    && grep(/^No section assigned$/,
                    670: 		    split(',',$slot->{'allowedsections'}))) {
                    671: 	    $userallowed=1;
                    672: 	}
                    673: 	if (defined($env{'request.role.sec'})
                    674: 	    && grep(/^\Q$env{'request.role.sec'}\E$/,
                    675: 		    split(',',$slot->{'allowedsections'}))) {
                    676: 	    $userallowed=1;
                    677: 	}
1.68      albertel  678: 	if (defined($env{'request.course.groups'})) {
                    679: 	    my @groups = split(/:/,$env{'request.course.groups'});
                    680: 	    my @allowed_sec = split(',',$slot->{'allowedsections'});
                    681: 	    foreach my $group (@groups) {
                    682: 		if (grep {$_ eq $group} (@allowed_sec)) {
                    683: 		    $userallowed=1;
                    684: 		    last;
                    685: 		}
                    686: 	    }
                    687: 	}
1.49      albertel  688:     }
1.50      albertel  689:     &Apache::lonxml::debug("$slot_name sections is $userallowed");
1.49      albertel  690: 
                    691:     # its for a different set of users
1.50      albertel  692:     if (defined($slot->{'allowedusers'})
                    693: 	&& grep(/^\Q$env{'user.name'}:$env{'user.domain'}\E$/,
                    694: 		split(',',$slot->{'allowedusers'}))) {
                    695: 	$userallowed=1;
1.49      albertel  696:     }
1.51      albertel  697: 
                    698:     if (!defined($slot->{'allowedusers'})
                    699: 	&& !defined($slot->{'allowedsections'})) {
                    700: 	$userallowed=1;
                    701:     }
                    702: 
1.50      albertel  703:     &Apache::lonxml::debug("$slot_name user is $userallowed");
                    704:     return 0 if (!$userallowed);
1.49      albertel  705: 
1.3       albertel  706:     # not allowed for this resource
                    707:     if (defined($slot->{'symb'})
                    708: 	&& $slot->{'symb'} ne $symb) {
                    709: 	return 0;
                    710:     }
1.50      albertel  711: 
1.48      albertel  712:     my $conflict = &check_for_conflict($symb,$slot_name,$slot,$slots,
                    713: 				       $consumed_uniqueperiods);
1.44      albertel  714:     if ($conflict) {
                    715: 	if ($slots->{$conflict}{'starttime'} < time) {
                    716: 	    return 0;
                    717: 	}
                    718:     }
1.5       albertel  719:     &Apache::lonxml::debug("$slot_name symb good");
1.3       albertel  720:     return 1;
1.2       albertel  721: }
                    722: 
1.3       albertel  723: sub get_description {
                    724:     my ($slot_name,$slot)=@_;
                    725:     my $description=$slot->{'description'};
                    726:     if (!defined($description)) {
1.4       albertel  727: 	$description=&mt('[_1] From [_2] to [_3]',$slot_name,
1.3       albertel  728: 			 &Apache::lonlocal::locallocaltime($slot->{'starttime'}),
                    729: 			 &Apache::lonlocal::locallocaltime($slot->{'endtime'}));
                    730:     }
                    731:     return $description;
                    732: }
1.2       albertel  733: 
                    734: sub show_choices {
                    735:     my ($r,$symb)=@_;
                    736: 
                    737:     my ($cnum,$cdom)=&get_course();
                    738:     my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
1.48      albertel  739:     my $consumed_uniqueperiods = &get_consumed_uniqueperiods(\%slots);
1.3       albertel  740:     my $available;
1.2       albertel  741:     $r->print('<table border="1">');
1.5       albertel  742:     &Apache::lonxml::debug("Checking Slots");
1.43      albertel  743:     my @got_slots=&check_for_reservation($symb,'allslots');
1.2       albertel  744:     foreach my $slot (sort 
                    745: 		      { return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'} }
                    746: 		      (keys(%slots)))  {
1.5       albertel  747: 
                    748: 	&Apache::lonxml::debug("Checking Slot $slot");
1.48      albertel  749: 	next if (!&allowed_slot($slot,$slots{$slot},undef,\%slots,
                    750: 				$consumed_uniqueperiods));
1.3       albertel  751: 
                    752: 	$available++;
                    753: 
                    754: 	my $description=&get_description($slot,$slots{$slot});
1.2       albertel  755: 
                    756: 	my $form=&mt('Unavailable');
1.43      albertel  757: 	if ((grep(/^\Q$slot\E$/,@got_slots)) ||
1.7       albertel  758: 	    &space_available($slot,$slots{$slot},$symb)) {
1.5       albertel  759: 	    my $text=&mt('Select');
                    760: 	    my $command='get';
1.43      albertel  761: 	    if (grep(/^\Q$slot\E$/,@got_slots)) {
1.68.2.1  albertel  762: 		$text=&mt('Drop Reservation');
1.5       albertel  763: 		$command='release';
1.43      albertel  764: 	    } else {
                    765: 		my $conflict = &check_for_conflict($symb,$slot,$slots{$slot},
1.48      albertel  766: 						   \%slots,
                    767: 						   $consumed_uniqueperiods);
1.43      albertel  768: 		if ($conflict) {
                    769: 		    $text=&mt('Change Reservation');
                    770: 		    $command='get';
                    771: 		}
1.5       albertel  772: 	    }
1.63      www       773: 	    my $escsymb=&escape($symb);
1.2       albertel  774: 	    $form=<<STUFF;
1.64      albertel  775:    <form method="post" action="/adm/slotrequest">
1.5       albertel  776:      <input type="submit" name="Select" value="$text" />
1.3       albertel  777:      <input type="hidden" name="symb" value="$escsymb" />
                    778:      <input type="hidden" name="slotname" value="$slot" />
1.5       albertel  779:      <input type="hidden" name="command" value="$command" />
1.2       albertel  780:    </form>
                    781: STUFF
                    782: 	}
                    783: 	$r->print(<<STUFF);
                    784: <tr>
                    785:  <td>$form</td>
                    786:  <td>$description</td>
                    787: </tr>
                    788: STUFF
                    789:     }
1.3       albertel  790: 
                    791:     if (!$available) {
1.5       albertel  792: 	$r->print('<tr><td>No available times. <a href="/adm/flip?postdata=return:">'.
1.3       albertel  793: 		  &mt('Return to last resource').'</a></td></tr>');
                    794:     }
1.2       albertel  795:     $r->print('</table>');
                    796: }
                    797: 
1.30      albertel  798: sub to_show {
1.54      albertel  799:     my ($slotname,$slot,$when,$deleted,$name) = @_;
1.30      albertel  800:     my $time=time;
                    801:     my $week=60*60*24*7;
1.54      albertel  802: 
1.35      albertel  803:     if ($deleted eq 'hide' && $slot->{'type'} eq 'deleted') {
                    804: 	return 0;
                    805:     }
1.54      albertel  806: 
                    807:     if ($name && $name->{'value'} =~ /\w/) {
                    808: 	if ($name->{'type'} eq 'substring') {
                    809: 	    if ($slotname !~ /\Q$name->{'value'}\E/) {
                    810: 		return 0;
                    811: 	    }
                    812: 	}
                    813: 	if ($name->{'type'} eq 'exact') {
                    814: 	    if ($slotname eq $name->{'value'}) {
                    815: 		return 0;
                    816: 	    }
                    817: 	}
                    818:     }
                    819: 
1.35      albertel  820:     if ($when eq 'any') {
                    821: 	return 1;
                    822:     } elsif ($when eq 'now') {
1.30      albertel  823: 	if ($time > $slot->{'starttime'} &&
                    824: 	    $time < $slot->{'endtime'}) {
                    825: 	    return 1;
                    826: 	}
                    827: 	return 0;
                    828:     } elsif ($when eq 'nextweek') {
                    829: 	if ( ($time        < $slot->{'starttime'} &&
                    830: 	      ($time+$week) > $slot->{'starttime'})
                    831: 	     ||
                    832: 	     ($time        < $slot->{'endtime'} &&
                    833: 	      ($time+$week) > $slot->{'endtime'}) ) {
                    834: 	    return 1;
                    835: 	}
                    836: 	return 0;
                    837:     } elsif ($when eq 'lastweek') {
                    838: 	if ( ($time        > $slot->{'starttime'} &&
                    839: 	      ($time-$week) < $slot->{'starttime'})
                    840: 	     ||
                    841: 	     ($time        > $slot->{'endtime'} &&
                    842: 	      ($time-$week) < $slot->{'endtime'}) ) {
                    843: 	    return 1;
                    844: 	}
                    845: 	return 0;
                    846:     } elsif ($when eq 'willopen') {
                    847: 	if ($time < $slot->{'starttime'}) {
                    848: 	    return 1;
                    849: 	}
                    850: 	return 0;
                    851:     } elsif ($when eq 'wereopen') {
                    852: 	if ($time > $slot->{'endtime'}) {
                    853: 	    return 1;
                    854: 	}
                    855: 	return 0;
                    856:     }
                    857:     
                    858:     return 1;
                    859: }
                    860: 
1.33      albertel  861: sub remove_link {
                    862:     my ($slotname,$entry,$uname,$udom,$symb) = @_;
                    863: 
1.55      albertel  864:     my $remove = &mt('Remove');
                    865: 
                    866:     if ($entry eq 'remove all') {
                    867: 	$remove = &mt('Remove All');
                    868: 	undef($uname);
                    869: 	undef($udom);
                    870:     }
                    871: 
1.63      www       872:     $slotname  = &escape($slotname);
                    873:     $entry     = &escape($entry);
                    874:     $uname     = &escape($uname);
                    875:     $udom      = &escape($udom);
                    876:     $symb      = &escape($symb);
1.33      albertel  877: 
                    878:     return <<"END_LINK";
1.64      albertel  879:  <a href="/adm/slotrequest?command=remove_registration&amp;slotname=$slotname&amp;entry=$entry&amp;uname=$uname&amp;udom=$udom&amp;symb=$symb"
1.33      albertel  880:    >($remove)</a>
                    881: END_LINK
                    882: 
                    883: }
                    884: 
1.5       albertel  885: sub show_table {
1.19      albertel  886:     my ($r,$mgr)=@_;
1.5       albertel  887: 
                    888:     my ($cnum,$cdom)=&get_course();
                    889:     my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
1.19      albertel  890:     if ( (keys(%slots))[0] =~ /^error: 2 /) {
                    891: 	undef(%slots);
                    892:     } 
1.5       albertel  893:     my $available;
1.14      albertel  894:     if ($mgr eq 'F') {
1.30      albertel  895: 	$r->print('<div>');
1.64      albertel  896: 	$r->print('<form method="post" action="/adm/slotrequest">
1.14      albertel  897: <input type="hidden" name="command" value="uploadstart" />
                    898: <input type="submit" name="start" value="'.&mt('Upload Slot List').'" />
                    899: </form>');
1.64      albertel  900: 	$r->print('<form method="post" action="/adm/helper/newslot.helper">
1.28      albertel  901: <input type="submit" name="newslot" value="'.&mt('Create a New Slot').'" />
                    902: </form>');
1.30      albertel  903: 	$r->print('</div>');
1.14      albertel  904:     }
1.29      albertel  905:     
1.54      albertel  906:     my %Saveable_Parameters = ('show'              => 'array',
                    907: 			       'when'              => 'scalar',
                    908: 			       'order'             => 'scalar',
                    909: 			       'deleted'           => 'scalar',
                    910: 			       'name_filter_type'  => 'scalar',
                    911: 			       'name_filter_value' => 'scalar',
1.35      albertel  912: 			       );
1.46      albertel  913:     &Apache::loncommon::store_course_settings('slotrequest',
                    914: 					      \%Saveable_Parameters);
                    915:     &Apache::loncommon::restore_course_settings('slotrequest',
                    916: 						\%Saveable_Parameters);
                    917:     &Apache::grades::init_perm();
                    918:     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist('all');
                    919:     &Apache::grades::reset_perm();
1.29      albertel  920: 
1.54      albertel  921:     # what to display filtering
1.30      albertel  922:     my %show_fields=&Apache::lonlocal::texthash(
1.49      albertel  923: 	     'name'            => 'Slot Name',
                    924: 	     'description'     => 'Description',
                    925: 	     'type'            => 'Type',
                    926: 	     'starttime'       => 'Start time',
                    927: 	     'endtime'         => 'End Time',
                    928:              'startreserve'    => 'Time students can start reserving',
                    929: 	     'secret'          => 'Secret Word',
                    930: 	     'maxspace'        => 'Maximum # of students',
                    931: 	     'ip'              => 'IP or DNS restrictions',
                    932: 	     'symb'            => 'Resource slot is restricted to.',
                    933: 	     'allowedsections' => 'Sections slot is restricted to.',
                    934: 	     'allowedusers'    => 'Users slot is restricted to.',
                    935: 	     'uniqueperiod'    => 'Period of time slot is unique',
                    936: 	     'scheduled'       => 'Scheduled Students',
                    937: 	     'proctor'         => 'List of proctors');
1.30      albertel  938:     my @show_order=('name','description','type','starttime','endtime',
1.49      albertel  939: 		    'startreserve','secret','maxspace','ip','symb',
                    940: 		    'allowedsections','allowedusers','uniqueperiod',
                    941: 		    'scheduled','proctor');
1.30      albertel  942:     my @show = 
1.29      albertel  943: 	(exists($env{'form.show'})) ? &Apache::loncommon::get_env_multiple('form.show')
1.30      albertel  944: 	                            : keys(%show_fields);
                    945:     my %show =  map { $_ => 1 } (@show);
                    946: 
1.54      albertel  947:     #when filtering setup
1.30      albertel  948:     my %when_fields=&Apache::lonlocal::texthash(
1.35      albertel  949: 	     'now'      => 'Open now',
1.30      albertel  950: 	     'nextweek' => 'Open within the next week',
                    951: 	     'lastweek' => 'Were open last week',
                    952: 	     'willopen' => 'Will open later',
1.35      albertel  953: 	     'wereopen' => 'Were open',
                    954: 	     'any'      => 'Anytime',
                    955: 						);
                    956:     my @when_order=('any','now','nextweek','lastweek','willopen','wereopen');
1.30      albertel  957:     $when_fields{'select_form_order'} = \@when_order;
                    958:     my $when = 	(exists($env{'form.when'})) ? $env{'form.when'}
                    959:                                             : 'now';
1.29      albertel  960: 
1.54      albertel  961:     #display of students setup
1.46      albertel  962:     my %stu_display_fields=
                    963: 	&Apache::lonlocal::texthash('username' => 'User name',
                    964: 				    'fullname' => 'Full name',
                    965: 				    );
                    966:     my @stu_display_order=('fullname','username');
                    967:     my @stu_display = 
                    968: 	(exists($env{'form.studisplay'})) ? &Apache::loncommon::get_env_multiple('form.studisplay')
                    969: 	                                  : keys(%stu_display_fields);
                    970:     my %stu_display =  map { $_ => 1 } (@stu_display);
                    971: 
1.54      albertel  972:     #name filtering setup
                    973:     my %name_filter_type_fields=
                    974: 	&Apache::lonlocal::texthash('substring' => 'Substring',
                    975: 				    'exact'     => 'Exact',
                    976: 				    #'reg'       => 'Regular Expression',
                    977: 				    );
                    978:     my @name_filter_type_order=('substring','exact');
                    979: 
                    980:     $name_filter_type_fields{'select_form_order'} = \@name_filter_type_order;
                    981:     my $name_filter_type = 
                    982: 	(exists($env{'form.name_filter_type'})) ? $env{'form.name_filter_type'}
                    983:                                                 : 'substring';
                    984:     my $name_filter = {'type'  => $name_filter_type,
                    985: 		       'value' => $env{'form.name_filter_value'},};
                    986: 
1.64      albertel  987:     
1.54      albertel  988:     #deleted slot filtering
1.64      albertel  989:     #default to hide if no value
                    990:     $env{'form.deleted'} ||= 'hide';
1.35      albertel  991:     my $hide_radio = 
                    992: 	&Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'hide');
                    993:     my $show_radio = 
                    994: 	&Apache::lonhtmlcommon::radio('deleted',$env{'form.deleted'},'show');
                    995: 	
1.64      albertel  996:     $r->print('<form method="post" action="/adm/slotrequest">
1.30      albertel  997: <input type="hidden" name="command" value="showslots" />');
                    998:     $r->print('<div>');
1.35      albertel  999:     $r->print('<table class="inline">
                   1000:       <tr><th>'.&mt('Show').'</th>
1.46      albertel 1001:           <th>'.&mt('Student Display').'</th>
1.35      albertel 1002:           <th>'.&mt('Open').'</th>
1.54      albertel 1003:           <th>'.&mt('Slot Name Filter').'</th>
1.35      albertel 1004:           <th>'.&mt('Options').'</th>
                   1005:       </tr>
                   1006:       <tr><td>'.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order).
                   1007: 	      '</td>
1.46      albertel 1008:            <td>
                   1009:          '.&Apache::loncommon::multiple_select_form('studisplay',\@stu_display,
                   1010: 						    6,\%stu_display_fields,
                   1011: 						    \@stu_display_order).'
                   1012:            </td>
1.35      albertel 1013:            <td>'.&Apache::loncommon::select_form($when,'when',%when_fields).
                   1014:           '</td>
1.54      albertel 1015:            <td>'.&Apache::loncommon::select_form($name_filter_type,
                   1016: 						 'name_filter_type',
                   1017: 						 %name_filter_type_fields).
                   1018: 	      '<br />'.
                   1019: 	      &Apache::lonhtmlcommon::textbox('name_filter_value',
                   1020: 					      $env{'form.name_filter_value'},
                   1021: 					      15).
                   1022:           '</td>
1.35      albertel 1023:            <td>
                   1024:             <table>
                   1025:               <tr>
                   1026:                 <td rowspan="2">Deleted slots:</td>
                   1027:                 <td><label>'.$show_radio.'Show</label></td>
                   1028:               </tr>
                   1029:               <tr>
                   1030:                 <td><label>'.$hide_radio.'Hide</label></td>
                   1031:               </tr>
                   1032:             </table>
                   1033: 	  </td>
                   1034:        </tr>
                   1035:     </table>');
1.30      albertel 1036:     $r->print('</div>');
                   1037:     $r->print('<p><input type="submit" name="start" value="'.&mt('Update Display').'" /></p>');
1.21      albertel 1038:     my $linkstart='<a href="/adm/slotrequest?command=showslots&amp;order=';
1.65      albertel 1039:     $r->print(&Apache::loncommon::start_data_table().
                   1040: 	      &Apache::loncommon::start_data_table_header_row().'
                   1041: 	       <th></th>');
1.30      albertel 1042:     foreach my $which (@show_order) {
                   1043: 	if ($which ne 'proctor' && exists($show{$which})) {
                   1044: 	    $r->print('<th>'.$linkstart.$which.'">'.$show_fields{$which}.'</a></th>');
1.29      albertel 1045: 	}
                   1046:     }
1.65      albertel 1047:     $r->print(&Apache::loncommon::end_data_table_header_row());
1.29      albertel 1048: 
1.21      albertel 1049:     my %name_cache;
                   1050:     my $slotsort = sub {
1.49      albertel 1051: 	if ($env{'form.order'}=~/^(type|description|endtime|startreserve|maxspace|ip|symb|allowedsections|allowedusers)$/) {
1.21      albertel 1052: 	    if (lc($slots{$a}->{$env{'form.order'}})
                   1053: 		ne lc($slots{$b}->{$env{'form.order'}})) {
                   1054: 		return (lc($slots{$a}->{$env{'form.order'}}) 
                   1055: 			cmp lc($slots{$b}->{$env{'form.order'}}));
                   1056: 	    }
1.23      albertel 1057: 	} elsif ($env{'form.order'} eq 'name') {
                   1058: 	    if (lc($a) cmp lc($b)) {
                   1059: 		return lc($a) cmp lc($b);
                   1060: 	    }
1.29      albertel 1061: 	} elsif ($env{'form.order'} eq 'uniqueperiod') {
1.21      albertel 1062: 	    
                   1063: 	    if ($slots{$a}->{'uniqueperiod'}[0] 
                   1064: 		ne $slots{$b}->{'uniqueperiod'}[0]) {
                   1065: 		return ($slots{$a}->{'uniqueperiod'}[0]
                   1066: 			cmp $slots{$b}->{'uniqueperiod'}[0]);
                   1067: 	    }
                   1068: 	    if ($slots{$a}->{'uniqueperiod'}[1] 
                   1069: 		ne $slots{$b}->{'uniqueperiod'}[1]) {
                   1070: 		return ($slots{$a}->{'uniqueperiod'}[1]
                   1071: 			cmp $slots{$b}->{'uniqueperiod'}[1]);
                   1072: 	    }
                   1073: 	}
                   1074: 	return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'};
                   1075:     };
                   1076:     foreach my $slot (sort $slotsort (keys(%slots)))  {
1.54      albertel 1077: 	if (!&to_show($slot,$slots{$slot},$when,
                   1078: 		      $env{'form.deleted'},$name_filter)) { next; }
1.5       albertel 1079: 	if (defined($slots{$slot}->{'type'})
                   1080: 	    && $slots{$slot}->{'type'} ne 'schedulable_student') {
1.13      albertel 1081: 	    #next;
1.5       albertel 1082: 	}
                   1083: 	my $description=&get_description($slot,$slots{$slot});
                   1084: 	my $ids;
1.47      albertel 1085: 	if (exists($show{'scheduled'})) {
                   1086: 	    my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
                   1087: 					       "^$slot\0");
                   1088: 	    my ($tmp)=%consumed;
                   1089: 	    if ($tmp !~ /^error: /) {
1.54      albertel 1090: 		foreach my $entry (sort { $consumed{$a}{name} cmp 
                   1091: 					      $consumed{$b}{name} }
                   1092: 				   (keys(%consumed))) {
1.47      albertel 1093: 		    my (undef,$id)=split("\0",$entry);
1.57      albertel 1094: 		    my ($uname,$udom) = split(':',$consumed{$entry}{'name'});
1.47      albertel 1095: 		    $ids.= '<nobr>';
                   1096: 		    foreach my $item (@stu_display_order) {
                   1097: 			if ($stu_display{$item}) {
                   1098: 			    if ($item eq 'fullname') {
                   1099: 				$ids.=$fullname->{"$uname:$udom"}.' ';
                   1100: 			    } elsif ($item eq 'username') {
1.57      albertel 1101: 				$ids.="<tt>$uname:$udom</tt> ";
1.47      albertel 1102: 			    }
1.46      albertel 1103: 			}
                   1104: 		    }
1.47      albertel 1105: 		    $ids.=&remove_link($slot,$entry,$uname,$udom,
                   1106: 				       $consumed{$entry}{'symb'}).'</nobr><br />';
1.46      albertel 1107: 		}
1.38      albertel 1108: 	    }
1.5       albertel 1109: 	}
1.33      albertel 1110: 
1.24      albertel 1111: 	my $start=($slots{$slot}->{'starttime'}?
                   1112: 		   &Apache::lonlocal::locallocaltime($slots{$slot}->{'starttime'}):'');
                   1113: 	my $end=($slots{$slot}->{'endtime'}?
                   1114: 		 &Apache::lonlocal::locallocaltime($slots{$slot}->{'endtime'}):'');
1.28      albertel 1115: 	my $start_reserve=($slots{$slot}->{'startreserve'}?
1.24      albertel 1116: 			   &Apache::lonlocal::locallocaltime($slots{$slot}->{'startreserve'}):'');
                   1117: 	
1.14      albertel 1118: 	my $unique;
                   1119: 	if (ref($slots{$slot}{'uniqueperiod'})) {
1.64      albertel 1120: 	    $unique=localtime($slots{$slot}{'uniqueperiod'}[0]).', '.
1.14      albertel 1121: 		localtime($slots{$slot}{'uniqueperiod'}[1]);
                   1122: 	}
1.33      albertel 1123: 
1.29      albertel 1124: 	my $title;
                   1125: 	if (exists($slots{$slot}{'symb'})) {
                   1126: 	    my (undef,undef,$res)=
                   1127: 		&Apache::lonnet::decode_symb($slots{$slot}{'symb'});
                   1128: 	    $res =   &Apache::lonnet::clutter($res);
                   1129: 	    $title = &Apache::lonnet::gettitle($slots{$slot}{'symb'});
                   1130: 	    $title='<a href="'.$res.'?symb='.$slots{$slot}{'symb'}.'">'.$title.'</a>';
                   1131: 	}
1.33      albertel 1132: 
1.49      albertel 1133: 	my $allowedsections;
                   1134: 	if (exists($show{'allowedsections'})) {
                   1135: 	    $allowedsections = 
                   1136: 		join(', ',sort(split(/\s*,\s*/,
                   1137: 				     $slots{$slot}->{'allowedsections'})));
                   1138: 	}
                   1139: 
                   1140: 	my @allowedusers;
                   1141: 	if (exists($show{'allowedusers'})) {
                   1142: 	    @allowedusers= map {
                   1143: 		my ($uname,$udom)=split(/:/,$_);
                   1144: 		my $fullname=$name_cache{$_};
                   1145: 		if (!defined($fullname)) {
                   1146: 		    $fullname = &Apache::loncommon::plainname($uname,$udom);
                   1147: 		    $fullname =~s/\s/&nbsp;/g;
                   1148: 		    $name_cache{$_} = $fullname;
                   1149: 		}
                   1150: 		&Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
                   1151: 	    } (sort(split(/\s*,\s*/,$slots{$slot}->{'allowedusers'})));
                   1152: 	}
                   1153: 	my $allowedusers=join(', ',@allowedusers);
                   1154: 	
1.29      albertel 1155: 	my @proctors;
                   1156: 	my $rowspan=1;
                   1157: 	my $colspan=1;
1.30      albertel 1158: 	if (exists($show{'proctor'})) {
1.29      albertel 1159: 	    $rowspan=2;
                   1160: 	    @proctors= map {
1.62      albertel 1161: 		my ($uname,$udom)=split(/:/,$_);
1.29      albertel 1162: 		my $fullname=$name_cache{$_};
                   1163: 		if (!defined($fullname)) {
                   1164: 		    $fullname = &Apache::loncommon::plainname($uname,$udom);
                   1165: 		    $fullname =~s/\s/&nbsp;/g;
                   1166: 		    $name_cache{$_} = $fullname;
                   1167: 		}
                   1168: 		&Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
                   1169: 	    } (sort(split(/\s*,\s*/,$slots{$slot}->{'proctor'})));
                   1170: 	}
1.20      albertel 1171: 	my $proctors=join(', ',@proctors);
1.14      albertel 1172: 
1.34      albertel 1173: 	my $edit=(<<"EDITLINK");
1.31      albertel 1174: <a href="/adm/helper/newslot.helper?name=$slot">Edit</a>
                   1175: EDITLINK
1.34      albertel 1176: 
                   1177: 	my $delete=(<<"DELETELINK");
1.64      albertel 1178: <a href="/adm/slotrequest?command=delete&amp;slotname=$slot">Delete</a>
1.34      albertel 1179: DELETELINK
1.55      albertel 1180: 
1.56      albertel 1181:         my $remove_all=&remove_link($slot,'remove all').'<br />';
1.55      albertel 1182: 
1.34      albertel 1183:         if ($ids ne '') { undef($delete); }
1.56      albertel 1184: 	if ($slots{$slot}{'type'} ne 'schedulable_student' 
                   1185: 	    || $ids eq '') { 
1.55      albertel 1186: 	    undef($remove_all);
                   1187: 	}
1.34      albertel 1188: 
1.65      albertel 1189: 	my $row_start=&Apache::loncommon::start_data_table_row();
                   1190: 	my $row_end=&Apache::loncommon::end_data_table_row();
                   1191:         $r->print($row_start.
                   1192: 		  "\n<td rowspan=\"$rowspan\">$edit $delete</td>\n");
1.30      albertel 1193: 	if (exists($show{'name'})) {
1.29      albertel 1194: 	    $colspan++;$r->print("<td>$slot</td>");
                   1195: 	}
1.33      albertel 1196: 	if (exists($show{'description'})) {
                   1197: 	    $colspan++;$r->print("<td>$description</td>\n");
                   1198: 	}
1.30      albertel 1199: 	if (exists($show{'type'})) {
1.29      albertel 1200: 	    $colspan++;$r->print("<td>$slots{$slot}->{'type'}</td>\n");
                   1201: 	}
1.30      albertel 1202: 	if (exists($show{'starttime'})) {
1.29      albertel 1203: 	    $colspan++;$r->print("<td>$start</td>\n");
                   1204: 	}
1.30      albertel 1205: 	if (exists($show{'endtime'})) {
1.29      albertel 1206: 	    $colspan++;$r->print("<td>$end</td>\n");
                   1207: 	}
1.30      albertel 1208: 	if (exists($show{'startreserve'})) {
1.29      albertel 1209: 	    $colspan++;$r->print("<td>$start_reserve</td>\n");
                   1210: 	}
1.30      albertel 1211: 	if (exists($show{'secret'})) {
1.29      albertel 1212: 	    $colspan++;$r->print("<td>$slots{$slot}{'secret'}</td>\n");
                   1213: 	}
1.30      albertel 1214: 	if (exists($show{'maxspace'})) {
1.29      albertel 1215: 	    $colspan++;$r->print("<td>$slots{$slot}{'maxspace'}</td>\n");
                   1216: 	}
1.30      albertel 1217: 	if (exists($show{'ip'})) {
1.29      albertel 1218: 	    $colspan++;$r->print("<td>$slots{$slot}{'ip'}</td>\n");
                   1219: 	}
1.30      albertel 1220: 	if (exists($show{'symb'})) {
1.29      albertel 1221: 	    $colspan++;$r->print("<td>$title</td>\n");
                   1222: 	}
1.49      albertel 1223: 	if (exists($show{'allowedsections'})) {
                   1224: 	    $colspan++;$r->print("<td>$allowedsections</td>\n");
                   1225: 	}
                   1226: 	if (exists($show{'allowedusers'})) {
                   1227: 	    $colspan++;$r->print("<td>$allowedusers</td>\n");
1.29      albertel 1228: 	}
1.64      albertel 1229: 	if (exists($show{'uniqueperiod'})) {
                   1230: 	    $colspan++;$r->print("<td>$unique</td>\n");
                   1231: 	}
1.47      albertel 1232: 	if (exists($show{'scheduled'})) {
1.64      albertel 1233: 	    $colspan++;$r->print("<td>$remove_all $ids</td>\n");
1.47      albertel 1234: 	}
1.65      albertel 1235: 	$r->print("$row_end\n");
1.30      albertel 1236: 	if (exists($show{'proctor'})) {
1.29      albertel 1237: 	    $r->print(<<STUFF);
1.65      albertel 1238: $row_start
1.29      albertel 1239:  <td colspan="$colspan">$proctors</td>
1.65      albertel 1240: $row_end
1.5       albertel 1241: STUFF
1.29      albertel 1242:         }
1.5       albertel 1243:     }
1.64      albertel 1244:     $r->print('</table></form>');
1.5       albertel 1245: }
                   1246: 
1.14      albertel 1247: sub upload_start {
1.19      albertel 1248:     my ($r)=@_;    
1.14      albertel 1249:     $r->print(&Apache::grades::checkforfile_js());
                   1250:     my $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
                   1251:     $result.='&nbsp;<b>'.
                   1252: 	&mt('Specify a file containing the slot definitions.').
                   1253: 	'</b></td></tr>'."\n";
                   1254:     $result.='<tr bgcolor=#ffffe6><td>'."\n";
                   1255:     my $upfile_select=&Apache::loncommon::upfile_select_html();
                   1256:     my $ignore=&mt('Ignore First Line');
                   1257:     $result.=<<ENDUPFORM;
                   1258: <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
                   1259: <input type="hidden" name="command" value="csvuploadmap" />
                   1260: $upfile_select
                   1261: <br /><input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Data" />
                   1262: <label><input type="checkbox" name="noFirstLine" />$ignore</label>
                   1263: </form>
                   1264: ENDUPFORM
                   1265:     $result.='</td></tr></table>'."\n";
                   1266:     $result.='</td></tr></table>'."\n";
                   1267:     $r->print($result);
                   1268: }
                   1269: 
                   1270: sub csvuploadmap_header {
1.19      albertel 1271:     my ($r,$datatoken,$distotal)= @_;
1.14      albertel 1272:     my $javascript;
                   1273:     if ($env{'form.upfile_associate'} eq 'reverse') {
                   1274: 	$javascript=&csvupload_javascript_reverse_associate();
                   1275:     } else {
                   1276: 	$javascript=&csvupload_javascript_forward_associate();
                   1277:     }
                   1278: 
                   1279:     my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
                   1280:     my $ignore=&mt('Ignore First Line');
                   1281:     $r->print(<<ENDPICK);
                   1282: <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
                   1283: <h3>Identify fields</h3>
                   1284: Total number of records found in file: $distotal <hr />
                   1285: Enter as many fields as you can. The system will inform you and bring you back
                   1286: to this page if the data selected is insufficient to create the slots.<hr />
                   1287: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
                   1288: <label><input type="checkbox" name="noFirstLine" $checked />$ignore</label>
                   1289: <input type="hidden" name="associate"  value="" />
                   1290: <input type="hidden" name="datatoken"  value="$datatoken" />
                   1291: <input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
                   1292: <input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
                   1293: <input type="hidden" name="upfile_associate" 
                   1294:                                        value="$env{'form.upfile_associate'}" />
                   1295: <input type="hidden" name="command"    value="csvuploadassign" />
                   1296: <hr />
                   1297: <script type="text/javascript" language="Javascript">
                   1298: $javascript
                   1299: </script>
                   1300: ENDPICK
                   1301:     return '';
                   1302: 
                   1303: }
                   1304: 
                   1305: sub csvuploadmap_footer {
                   1306:     my ($request,$i,$keyfields) =@_;
                   1307:     $request->print(<<ENDPICK);
                   1308: </table>
                   1309: <input type="hidden" name="nfields" value="$i" />
                   1310: <input type="hidden" name="keyfields" value="$keyfields" />
                   1311: <input type="button" onClick="javascript:verify(this.form)" value="Create Slots" /><br />
                   1312: </form>
                   1313: ENDPICK
                   1314: }
                   1315: 
                   1316: sub csvupload_javascript_reverse_associate {
                   1317:     my $error1=&mt('You need to specify the name, starttime, endtime and a type');
                   1318:     return(<<ENDPICK);
                   1319:   function verify(vf) {
                   1320:     var foundstart=0;
                   1321:     var foundend=0;
                   1322:     var foundname=0;
                   1323:     var foundtype=0;
                   1324:     for (i=0;i<=vf.nfields.value;i++) {
                   1325:       tw=eval('vf.f'+i+'.selectedIndex');
                   1326:       if (i==0 && tw!=0) { foundname=1; }
                   1327:       if (i==1 && tw!=0) { foundtype=1; }
                   1328:       if (i==2 && tw!=0) { foundstat=1; }
                   1329:       if (i==3 && tw!=0) { foundend=1; }
                   1330:     }
                   1331:     if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
                   1332: 	alert('$error1');
                   1333: 	return;
                   1334:     }
                   1335:     vf.submit();
                   1336:   }
                   1337:   function flip(vf,tf) {
                   1338:   }
                   1339: ENDPICK
                   1340: }
                   1341: 
                   1342: sub csvupload_javascript_forward_associate {
                   1343:     my $error1=&mt('You need to specify the name, starttime, endtime and a type');
                   1344:   return(<<ENDPICK);
                   1345:   function verify(vf) {
                   1346:     var foundstart=0;
                   1347:     var foundend=0;
                   1348:     var foundname=0;
                   1349:     var foundtype=0;
                   1350:     for (i=0;i<=vf.nfields.value;i++) {
                   1351:       tw=eval('vf.f'+i+'.selectedIndex');
                   1352:       if (tw==1) { foundname=1; }
                   1353:       if (tw==2) { foundtype=1; }
                   1354:       if (tw==3) { foundstat=1; }
                   1355:       if (tw==4) { foundend=1; }
                   1356:     }
                   1357:     if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
                   1358: 	alert('$error1');
                   1359: 	return;
                   1360:     }
                   1361:     vf.submit();
                   1362:   }
                   1363:   function flip(vf,tf) {
                   1364:   }
                   1365: ENDPICK
                   1366: }
                   1367: 
                   1368: sub csv_upload_map {
1.19      albertel 1369:     my ($r)= @_;
1.14      albertel 1370: 
                   1371:     my $datatoken;
                   1372:     if (!$env{'form.datatoken'}) {
                   1373: 	$datatoken=&Apache::loncommon::upfile_store($r);
                   1374:     } else {
                   1375: 	$datatoken=$env{'form.datatoken'};
                   1376: 	&Apache::loncommon::load_tmp_file($r);
                   1377:     }
                   1378:     my @records=&Apache::loncommon::upfile_record_sep();
                   1379:     if ($env{'form.noFirstLine'}) { shift(@records); }
1.19      albertel 1380:     &csvuploadmap_header($r,$datatoken,$#records+1);
1.14      albertel 1381:     my ($i,$keyfields);
                   1382:     if (@records) {
                   1383: 	my @fields=&csvupload_fields();
                   1384: 
                   1385: 	if ($env{'form.upfile_associate'} eq 'reverse') {	
                   1386: 	    &Apache::loncommon::csv_print_samples($r,\@records);
                   1387: 	    $i=&Apache::loncommon::csv_print_select_table($r,\@records,
                   1388: 							  \@fields);
                   1389: 	    foreach (@fields) { $keyfields.=$_->[0].','; }
                   1390: 	    chop($keyfields);
                   1391: 	} else {
                   1392: 	    unshift(@fields,['none','']);
                   1393: 	    $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
                   1394: 							    \@fields);
                   1395: 	    my %sone=&Apache::loncommon::record_sep($records[0]);
                   1396: 	    $keyfields=join(',',sort(keys(%sone)));
                   1397: 	}
                   1398:     }
                   1399:     &csvuploadmap_footer($r,$i,$keyfields);
                   1400: 
                   1401:     return '';
                   1402: }
                   1403: 
                   1404: sub csvupload_fields {
                   1405:     return (['name','Slot name'],
                   1406: 	    ['type','Type of slot'],
                   1407: 	    ['starttime','Start Time of slot'],
                   1408: 	    ['endtime','End Time of slot'],
1.15      albertel 1409: 	    ['startreserve','Reservation Start Time'],
1.14      albertel 1410: 	    ['ip','IP or DNS restriction'],
                   1411: 	    ['proctor','List of proctor ids'],
                   1412: 	    ['description','Slot Description'],
                   1413: 	    ['maxspace','Maximum number of reservations'],
                   1414: 	    ['symb','Resource Restriction'],
                   1415: 	    ['uniqueperiod','Date range of slot exclusion'],
1.49      albertel 1416: 	    ['secret','Secret word proctor uses to validate'],
                   1417: 	    ['allowedsections','Sections slot is restricted to'],
                   1418: 	    ['allowedusers','Users slot is restricted to'],
                   1419: 	    );
1.14      albertel 1420: }
                   1421: 
                   1422: sub csv_upload_assign {
1.19      albertel 1423:     my ($r,$mgr)= @_;
1.14      albertel 1424:     &Apache::loncommon::load_tmp_file($r);
                   1425:     my @slotdata = &Apache::loncommon::upfile_record_sep();
                   1426:     if ($env{'form.noFirstLine'}) { shift(@slotdata); }
                   1427:     my %fields=&Apache::grades::get_fields();
                   1428:     $r->print('<h3>Creating Slots</h3>');
                   1429:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   1430:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
                   1431:     my $countdone=0;
1.31      albertel 1432:     my @errors;
1.14      albertel 1433:     foreach my $slot (@slotdata) {
                   1434: 	my %slot;
                   1435: 	my %entries=&Apache::loncommon::record_sep($slot);
                   1436: 	my $domain;
                   1437: 	my $name=$entries{$fields{'name'}};
1.31      albertel 1438: 	if ($name=~/^\s*$/) {
                   1439: 	    push(@errors,"Did not create slot with no name");
                   1440: 	    next;
                   1441: 	}
                   1442: 	if ($name=~/\s/) { 
                   1443: 	    push(@errors,"$name not created -- Name must not contain spaces");
                   1444: 	    next;
                   1445: 	}
                   1446: 	if ($name=~/\W/) { 
                   1447: 	    push(@errors,"$name not created -- Name must contain only letters, numbers and _");
                   1448: 	    next;
                   1449: 	}
1.14      albertel 1450: 	if ($entries{$fields{'type'}}) {
                   1451: 	    $slot{'type'}=$entries{$fields{'type'}};
                   1452: 	} else {
                   1453: 	    $slot{'type'}='preassigned';
                   1454: 	}
1.31      albertel 1455: 	if ($slot{'type'} ne 'preassigned' &&
                   1456: 	    $slot{'type'} ne 'schedulable_student') {
                   1457: 	    push(@errors,"$name not created -- invalid type ($slot{'type'}) must be either preassigned or schedulable_student");
                   1458: 	    next;
                   1459: 	}
1.14      albertel 1460: 	if ($entries{$fields{'starttime'}}) {
                   1461: 	    $slot{'starttime'}=&UnixDate($entries{$fields{'starttime'}},"%s");
                   1462: 	}
                   1463: 	if ($entries{$fields{'endtime'}}) {
1.16      albertel 1464: 	    $slot{'endtime'}=&UnixDate($entries{$fields{'endtime'}},"%s");
1.14      albertel 1465: 	}
1.58      albertel 1466: 
                   1467: 	# start/endtime must be defined and greater than zero
                   1468: 	if (!$slot{'starttime'}) {
                   1469: 	    push(@errors,"$name not created -- Invalid start time");
                   1470: 	    next;
                   1471: 	}
                   1472: 	if (!$slot{'endtime'}) {
                   1473: 	    push(@errors,"$name not created -- Invalid end time");
                   1474: 	    next;
                   1475: 	}
                   1476: 	if ($slot{'starttime'} > $slot{'endtime'}) {
                   1477: 	    push(@errors,"$name not created -- Slot starts after it ends");
                   1478: 	    next;
                   1479: 	}
                   1480: 
1.23      albertel 1481: 	if ($entries{$fields{'startreserve'}}) {
                   1482: 	    $slot{'startreserve'}=
                   1483: 		&UnixDate($entries{$fields{'startreserve'}},"%s");
                   1484: 	}
1.58      albertel 1485: 	if (defined($slot{'startreserve'})
                   1486: 	    && $slot{'startreserve'} > $slot{'starttime'}) {
                   1487: 	    push(@errors,"$name not created -- Slot's reservation start time is after the slot's start time.");
                   1488: 	    next;
                   1489: 	}
                   1490: 
1.14      albertel 1491: 	foreach my $key ('ip','proctor','description','maxspace',
                   1492: 			 'secret','symb') {
                   1493: 	    if ($entries{$fields{$key}}) {
                   1494: 		$slot{$key}=$entries{$fields{$key}};
                   1495: 	    }
                   1496: 	}
1.58      albertel 1497: 
1.14      albertel 1498: 	if ($entries{$fields{'uniqueperiod'}}) {
                   1499: 	    my ($start,$end)=split(',',$entries{$fields{'uniqueperiod'}});
                   1500: 	    my @times=(&UnixDate($start,"%s"),
                   1501: 		       &UnixDate($end,"%s"));
                   1502: 	    $slot{'uniqueperiod'}=\@times;
                   1503: 	}
1.58      albertel 1504: 	if (defined($slot{'uniqueperiod'})
                   1505: 	    && $slot{'uniqueperiod'}[0] > $slot{'uniqueperiod'}[1]) {
                   1506: 	    push(@errors,"$name not created -- Slot's unique period start time is later than the unique period's end time.");
                   1507: 	    next;
                   1508: 	}
1.14      albertel 1509: 
                   1510: 	&Apache::lonnet::cput('slots',{$name=>\%slot},$cdom,$cname);
                   1511: 	$r->print('.');
                   1512: 	$r->rflush();
                   1513: 	$countdone++;
                   1514:     }
1.31      albertel 1515:     $r->print("<p>Created $countdone slots\n</p>");
                   1516:     foreach my $error (@errors) {
                   1517: 	$r->print("<p>$error\n</p>");
                   1518:     }
1.19      albertel 1519:     &show_table($r,$mgr);
1.14      albertel 1520:     return '';
                   1521: }
                   1522: 
1.1       albertel 1523: sub handler {
                   1524:     my $r=shift;
                   1525: 
1.30      albertel 1526:     &Apache::loncommon::content_type($r,'text/html');
                   1527:     &Apache::loncommon::no_cache($r);
                   1528:     if ($r->header_only()) {
                   1529: 	$r->send_http_header();
                   1530: 	return OK;
                   1531:     }
                   1532: 
1.8       albertel 1533:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
1.28      albertel 1534:     
1.12      albertel 1535:     my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
1.14      albertel 1536:     my $mgr=&Apache::lonnet::allowed('mgr',$env{'request.course.id'});
1.28      albertel 1537:     my $title='Requesting Another Worktime';
                   1538:     if ($env{'form.command'} =~ /^(showslots|uploadstart|csvuploadmap|csvuploadassign)$/ && $vgr eq 'F') {
                   1539: 	$title = 'Managing Slots';
                   1540:     }
                   1541:     &start_page($r,$title);
                   1542: 
1.8       albertel 1543:     if ($env{'form.command'} eq 'showslots' && $vgr eq 'F') {
1.19      albertel 1544: 	&show_table($r,$mgr);
1.33      albertel 1545:     } elsif ($env{'form.command'} eq 'remove_registration' && $mgr eq 'F') {
                   1546: 	&remove_registration($r);
                   1547:     } elsif ($env{'form.command'} eq 'release' && $mgr eq 'F') {
1.55      albertel 1548: 	if ($env{'form.entry'} eq 'remove all') {
                   1549: 	    &release_all_slot($r,$mgr);
                   1550: 	} else {
                   1551: 	    &release_slot($r,undef,undef,undef,$mgr);
                   1552: 	}
1.34      albertel 1553:     } elsif ($env{'form.command'} eq 'delete' && $mgr eq 'F') {
                   1554: 	&delete_slot($r);
1.14      albertel 1555:     } elsif ($env{'form.command'} eq 'uploadstart' && $mgr eq 'F') {
1.19      albertel 1556: 	&upload_start($r);
1.14      albertel 1557:     } elsif ($env{'form.command'} eq 'csvuploadmap' && $mgr eq 'F') {
1.19      albertel 1558: 	&csv_upload_map($r);
1.14      albertel 1559:     } elsif ($env{'form.command'} eq 'csvuploadassign' && $mgr eq 'F') {
                   1560: 	if ($env{'form.associate'} ne 'Reverse Association') {
1.19      albertel 1561: 	    &csv_upload_assign($r,$mgr);
1.14      albertel 1562: 	} else {
                   1563: 	    if ( $env{'form.upfile_associate'} ne 'reverse' ) {
                   1564: 		$env{'form.upfile_associate'} = 'reverse';
                   1565: 	    } else {
                   1566: 		$env{'form.upfile_associate'} = 'forward';
                   1567: 	    }
1.19      albertel 1568: 	    &csv_upload_map($r);
1.14      albertel 1569: 	}
1.8       albertel 1570:     } else {
1.63      www      1571: 	my $symb=&unescape($env{'form.symb'});
1.61      albertel 1572: 	if (!defined($symb)) {
                   1573: 	    &fail($r,'not_valid');
                   1574: 	    return OK;
                   1575: 	}
1.19      albertel 1576: 	my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb);
1.36      albertel 1577: 	my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
1.66      albertel 1578: 	if ($useslots ne 'resource' 
                   1579: 	    && $useslots ne 'map' 
                   1580: 	    && $useslots ne 'map_map') {
1.61      albertel 1581: 	    &fail($r,'not_available');
1.19      albertel 1582: 	    return OK;
                   1583: 	}
                   1584: 	$env{'request.symb'}=$symb;
1.36      albertel 1585: 	my $type = ($res =~ /\.task$/) ? 'Task'
                   1586: 	                               : 'problem';
                   1587: 	my ($status) = &Apache::lonhomework::check_slot_access('0',$type);
1.11      albertel 1588: 	if ($status eq 'CAN_ANSWER' ||
                   1589: 	    $status eq 'NEEDS_CHECKIN' ||
                   1590: 	    $status eq 'WAITING_FOR_GRADE') {
                   1591: 	    &fail($r,'not_allowed');
                   1592: 	    return OK;
                   1593: 	}
                   1594: 	if ($env{'form.requestattempt'}) {
                   1595: 	    &show_choices($r,$symb);
                   1596: 	} elsif ($env{'form.command'} eq 'release') {
                   1597: 	    &release_slot($r,$symb);
                   1598: 	} elsif ($env{'form.command'} eq 'get') {
                   1599: 	    &get_slot($r,$symb);
                   1600: 	} elsif ($env{'form.command'} eq 'change') {
1.39      albertel 1601: 	    if (&release_slot($r,$symb,$env{'form.releaseslot'},1)) {
                   1602: 		&get_slot($r,$symb);
                   1603: 	    }
1.11      albertel 1604: 	} else {
                   1605: 	    $r->print("<p>Unknown command: ".$env{'form.command'}."</p>");
                   1606: 	}
1.2       albertel 1607:     }
1.1       albertel 1608:     &end_page($r);
                   1609:     return OK;
                   1610: }
1.3       albertel 1611: 
                   1612: 1;
                   1613: __END__

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