--- loncom/interface/slotrequest.pm 2005/08/09 15:04:50 1.6 +++ loncom/interface/slotrequest.pm 2005/10/17 19:26:50 1.24 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Handler for requesting to have slots added to a students record # -# $Id: slotrequest.pm,v 1.6 2005/08/09 15:04:50 albertel Exp $ +# $Id: slotrequest.pm,v 1.24 2005/10/17 19:26:50 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -34,13 +34,19 @@ use Apache::Constants qw(:common :http : use Apache::loncommon(); use Apache::lonlocal; use Apache::lonnet; +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>'); } + $r->print('<p><a href="/adm/flip?postdata=return:">'. &mt('Return to last resource').'</a></p>'); &end_page($r); @@ -125,9 +131,9 @@ sub check_for_reservation { &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 + # between start of reservation times and end of slot return($slot_name, $slots{$slot_name}); } } @@ -158,9 +164,6 @@ sub check_for_conflict { } -# FIXME - depends on the parameter for the resource to be correct -# to prevent multiple reservations - sub make_reservation { my ($slot_name,$slot,$symb)=@_; @@ -189,7 +192,6 @@ sub make_reservation { my (@ids)=&get_reservation_ids($slot_name); - # FIXME we could end up having holes... my $last=0; foreach my $id (@ids) { my $num=(split('\0',$id))[1]; @@ -198,9 +200,9 @@ 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'}, @@ -213,7 +215,6 @@ 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.':'.$new_value; @@ -268,7 +269,7 @@ sub release_slot { my %slot=&Apache::lonnet::get_slot($slot_name); my $description=&get_description($env{'form.slotname'},\%slot); $r->print("<p>Released Reservation: $description</p>"); - if ($inhibit_return_link) { + if (!$inhibit_return_link) { $r->print('<p><a href="/adm/flip?postdata=return:">'. &mt('Return to last resource').'</a></p>'); } @@ -285,44 +286,50 @@ sub get_slot { %slot=&Apache::lonnet::get_slot($env{'form.slotname'}); my $description2=&get_description($env{'form.slotname'},\%slot); $r->print("<p>Already have a reservation: $description1</p>"); - $r->print(<<STUFF); + if ($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); + $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 <a href="/adm/flip?postdata=return:">'. - &mt('Return to last resource').'</a></p>'); - $r->print(<<STUFF); + $r->print(' your reservation from <b>'.$description1.'</b> to <b>'. + $description2. + '</b> <br />or <a href="/adm/flip?postdata=return:">'. + &mt('Return to last resource').'</a></p>'); + $r->print(<<STUFF); </form> STUFF - # FIXME add button to free current reservation and get new one + } else { + $r->print('<p><a href="/adm/flip?postdata=return:">'. + &mt('Return to last resource').'</a></p>'); + } return; } my %slot=&Apache::lonnet::get_slot($env{'form.slotname'}); 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>"); - $r->print('<p><a href="/adm/flip?postdata=return:">'. - &mt('Return to last resource').'</a></p>'); - return; + if (defined($reserved)) { + 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>'); + return; + } } - my %lt=('request'=>"Request another attempt", + my %lt=('request'=>"Availibility list", 'try' =>'Try again'); %lt=&Apache::lonlocal::texthash(%lt); @@ -411,7 +418,8 @@ sub show_choices { my $description=&get_description($slot,$slots{$slot}); my $form=&mt('Unavailable'); - if (&space_available($slot,$slots{$slot},$symb)) { + if (($slot eq $got_slot) || + &space_available($slot,$slots{$slot},$symb)) { my $text=&mt('Select'); my $command='get'; if ($slot eq $got_slot) { @@ -444,18 +452,66 @@ STUFF } sub show_table { - my ($r,$symb)=@_; + my ($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; - $r->print('<table border="1">'); - foreach my $slot (sort - { return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'} } - (keys(%slots))) { + if ($mgr eq 'F') { + $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>'); + } + my $linkstart='<a href="/adm/slotrequest?command=showslots&order='; + $r->print('<table border="1"> +<tr> + <th></th> + <th>'.$linkstart.'name" >Slot name</a></th> + <th>'.$linkstart.'type" >Type</a></th> + <th>'.$linkstart.'description" >Description</a></th> + <th>'.$linkstart.'starttime" >Start Time</a></th> + <th>'.$linkstart.'endtime" >End Time</a></th> + <th>'.$linkstart.'startreserve">Time Students Can Start Reserving</a></th> + <th>'.$linkstart.'secret" >Secret</a></th> + <th>'.$linkstart.'maxspace" >Max space</a></th> + <th> Scheduled Students</th> + <th>'.$linkstart.'unique" >Unique Period</a></th> +</tr>'); + my %name_cache; + my $slotsort = sub { + if ($env{'form.order'}=~/^(type|description|endtime|maxspace)$/) { + if (lc($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 ($env{'form.order'} eq 'unique') { + + if ($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 $slotsort (keys(%slots))) { if (defined($slots{$slot}->{'type'}) && $slots{$slot}->{'type'} ne 'schedulable_student') { - next; + #next; } my $description=&get_description($slot,$slots{$slot}); my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum, @@ -465,44 +521,340 @@ sub show_table { my (undef,$id)=split("\0",$entry); $ids.= $id.'-> '.$consumed{$entry}->{'name'}.'<br />'; } - my $start=localtime($slots{$slot}->{'starttime'}); - my $end=localtime($slots{$slot}->{'endtime'}); + 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{$slot}->{'endtime'}? + &Apache::lonlocal::locallocaltime($slots{$slot}->{'startreserve'}):''); + + my $unique; + if (ref($slots{$slot}{'uniqueperiod'})) { + $unique=localtime($slots{$slot}{'uniqueperiod'}[0]).','. + localtime($slots{$slot}{'uniqueperiod'}[1]); + } + my @proctors = map { + my ($uname,$udom)=split(/@/,$_); + my $fullname=$name_cache{$_}; + if (!defined($fullname)) { + &Apache::lonnet::logthis("Gettign $uname $udom"); + $fullname = &Apache::loncommon::plainname($uname,$udom); + $fullname =~s/\s/ /g; + $name_cache{$_} = $fullname; + } + &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom); + } (split(/\s*,\s*/,$slots{$slot}->{'proctor'})); + + my $proctors=join(', ',@proctors); + + my $edit=(<<EDITFORM); +<form method="POST"> + <input type="hidden" name="command" value="editslot" /> + <input type="hidden" name="slot" value="$slot" /> + <input type="submit" name="Edit" value="Edit" /> +</form> +EDITFORM $r->print(<<STUFF); <tr> + <td rowspan="2">$edit</td> <td>$slot</td> + <td>$slots{$slot}->{'type'}</td> <td>$description</td> <td>$start</td> <td>$end</td> + <td>$start_reserve</td> + <td>$slots{$slot}->{'secret'}</td> <td>$slots{$slot}->{'maxspace'}</td> <td>$ids</td> + <td>$unique</td> +</tr> +<tr> + <td colspan="10">$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']); +} + +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; + foreach my $slot (@slotdata) { + my %slot; + my %entries=&Apache::loncommon::record_sep($slot); + my $domain; + my $name=$entries{$fields{'name'}}; + if ($entries{$fields{'type'}}) { + $slot{'type'}=$entries{$fields{'type'}}; + } else { + $slot{'type'}='preassigned'; + } + if ($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("<br />Created $countdone slots\n"); + $r->print("<br />\n"); + &show_table($r,$mgr); + return ''; +} + sub handler { my $r=shift; + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}); &start_page($r); - my $symb=&Apache::lonnet::unescape($env{'form.symb'}); - my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb); - if ($res !~ /\.task$/) { - &fail($r,'not_valid'); - return OK; - } - - if ($env{'form.command'} eq 'showslots') { - &show_table($r,$symb); - } elsif ($env{'form.requestattempt'}) { - &show_choices($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') { - &release_slot($r,$symb,$env{'form.releaseslot'},1); - &get_slot($r,$symb); + my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'}); + my $mgr=&Apache::lonnet::allowed('mgr',$env{'request.course.id'}); + if ($env{'form.command'} eq 'showslots' && $vgr eq 'F') { + &show_table($r,$mgr); + } elsif ($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); + } + } elsif ($env{'form.command'} eq 'editslot' && $mgr eq 'F') { + &show_slot_edit($r); + } else { + my $symb=&Apache::lonnet::unescape($env{'form.symb'}); + my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb); + if ($res !~ /\.task$/) { + &fail($r,'not_valid'); + return OK; + } + $env{'request.symb'}=$symb; + my ($status) = &Apache::lonhomework::check_task_access('0'); + if ($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') { + &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;