--- loncom/homework/lonhomework.pm 2005/05/10 20:58:38 1.208 +++ loncom/homework/lonhomework.pm 2009/03/26 12:03:45 1.307 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # The LON-CAPA Homework handler # -# $Id: lonhomework.pm,v 1.208 2005/05/10 20:58:38 albertel Exp $ +# $Id: lonhomework.pm,v 1.307 2009/03/26 12:03:45 bisitz Exp $ # # Copyright Michigan State University Board of Trustees # @@ -49,11 +49,11 @@ use Apache::matchresponse(); use Apache::chemresponse(); use Apache::drawimage(); use Apache::Constants qw(:common); -use HTML::Entities(); use Apache::loncommon(); use Apache::lonlocal; use Time::HiRes qw( gettimeofday tv_interval ); -use Apache::lonnet(); +use HTML::Entities(); +use File::Copy(); # FIXME - improve commenting @@ -63,6 +63,28 @@ BEGIN { } +=pod + +=item set_bubble_lines() + +Called at analysis time to set the bubble lines +hash for the problem.. This should be called in the +end_problemtype tag in analysis mode. + +We fetch the hash of part id counters from lonxml + and push them into analyze:{part_id.bubble_lines}. + +=cut + +sub set_bubble_lines { + my %bubble_counters = &Apache::lonxml::get_bubble_line_hash(); + + foreach my $key (keys(%bubble_counters)) { + $Apache::lonhomework::analyze{"$key.bubble_lines"} = + $bubble_counters{"$key"}; + } +} + # # Decides what targets to render for. # Implicit inputs: @@ -86,13 +108,16 @@ sub get_target { } elsif ( defined($env{'form.grade_target'} ) && ($Apache::lonhomework::viewgrades eq 'F' )) { return ($env{'form.grade_target'}); + } elsif ( $env{'form.grade_target'} eq 'webgrade' + && ($Apache::lonhomework::queuegrade eq 'F' )) { + return ($env{'form.grade_target'}); } if ($env{'form.webgrade'} && - $Apache::lonhomework::modifygrades eq 'F') { + ($Apache::lonhomework::modifygrades eq 'F' + || $Apache::lonhomework::queuegrade eq 'F' )) { return ('grade','webgrade'); } if ( defined($env{'form.submitted'}) && - ( !defined($env{'form.resetdata'})) && ( !defined($env{'form.newrandomization'}))) { return ('grade', 'web'); } else { @@ -109,8 +134,11 @@ sub get_target { return ('web'); } } else { - if ( $env{'form.problemmode'} eq &mt('View') || - $env{'form.problemmode'} eq &mt('Discard Edits and View')) { + if ($env{'form.problemstate'} eq 'WEB_GRADE') { + #$env{'form.webgrade'} = 'yes'; + return ('grade','webgrade','answer'); + } elsif (($env{'form.problemmode'} eq 'view') || + ($env{'form.problemmode'} eq 'discard')) { if ( defined($env{'form.submitted'}) && (!defined($env{'form.resetdata'})) && (!defined($env{'form.newrandomization'}))) { @@ -118,16 +146,15 @@ sub get_target { } else { return ('web','answer'); } - } elsif ( $env{'form.problemmode'} eq &mt('Edit') || - $env{'form.problemmode'} eq 'Edit') { + } elsif ($env{'form.problemmode'} eq 'edit') { if ( $env{'form.submitted'} eq 'edit' ) { - if ( $env{'form.submit'} eq &mt('Submit Changes and View') ) { + if ( $env{'form.submitbutton'} eq &mt('Save and View') ) { return ('modified','web','answer'); } else { - return ('modified','edit'); + return ('modified','no_output_web','edit'); } } else { - return ('edit'); + return ('no_output_web','edit'); } } else { return ('web'); @@ -143,97 +170,59 @@ sub setup_vars { # return ';$external::target='.$target.';'; } -sub send_header { - my ($request)= @_; - $request->print(&Apache::lontexconvert::header()); -# $request->print('
'); - $request->print(&Apache::lontexconvert::footer()); -} - sub proctor_checked_in { - my ($slot_name,$slot)=@_; - my @allowed=split(",",$slot->{'proctor'}); - my $version=$Apache::lonhomework::history{'resource.version'}; - foreach my $possible (@allowed) { - if ($Apache::lonhomework::history{"resource.$version.checkedin"} eq - $possible && - $Apache::lonhomework::history{"resource.$version.checkedin.slot"} - eq $slot_name) { + my ($slot_name,$slot,$type)=@_; + my @possible_proctors=split(",",$slot->{'proctor'}); + + return 1 if (!@possible_proctors); + + my $key; + if ($type eq 'Task') { + my $version=$Apache::lonhomework::history{'resource.0.version'}; + $key ="resource.$version.0.checkedin"; + } elsif ($type eq 'problem') { + $key ='resource.0.checkedin'; + } + # backward compatability, used to be username@domain, + # now is username:domain + my $who = $Apache::lonhomework::history{$key}; + if ($who !~ /:/) { + $who =~ tr/@/:/; + } + foreach my $possible (@possible_proctors) { + if ($who eq $possible + && $Apache::lonhomework::history{$key.'.slot'} eq $slot_name) { return 1; } } + return 0; } -$Apache::lonxml::browse=''; -sub check_ip_acc { - my ($acc)=@_; - if (!defined($acc) || $acc =~ /^\s*$/) { return 1; } - my $allowed=0; - my $ip=$ENV{'REMOTE_ADDR'}; - my $name; - foreach my $pattern (split(',',$acc)) { - if ($pattern =~ /\*$/) { - #35.8.* - $pattern=~s/\*//; - if ($ip =~ /^\Q$pattern\E/) { $allowed=1; } - } elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) { - #35.8.3.[34-56] - my $low=$2; - my $high=$3; - $pattern=$1; - if ($ip =~ /^\Q$pattern\E/) { - my $last=(split(/\./,$ip))[3]; - if ($last <=$high && $last >=$low) { $allowed=1; } - } - } elsif ($pattern =~ /^\*/) { - #*.msu.edu - $pattern=~s/\*//; - if (!defined($name)) { - use Socket; - my $netaddr=inet_aton($ip); - ($name)=gethostbyaddr($netaddr,AF_INET); - } - if ($name =~ /\Q$pattern\E$/i) { $allowed=1; } - } elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) { - #127.0.0.1 - if ($ip =~ /^\Q$pattern\E/) { $allowed=1; } - } else { - #some.name.com - if (!defined($name)) { - use Socket; - my $netaddr=inet_aton($ip); - ($name)=gethostbyaddr($netaddr,AF_INET); - } - if ($name =~ /\Q$pattern\E$/i) { $allowed=1; } - } - if ($allowed) { last; } - } - return $allowed; -} +sub check_slot_access { + my ($id,$type)=@_; -sub check_task_access { # does it pass normal muster - # yes we really do want the default args passing - my ($status,$datemsg)=&check_access; + my ($status,$datemsg)=&check_access($id); + + my $useslots = &Apache::lonnet::EXT("resource.0.useslots"); + if ($useslots ne 'resource' && $useslots ne 'map' + && $useslots ne 'map_map') { + return ($status,$datemsg); + } + if ($status eq 'SHOW_ANSWER' || $status eq 'CLOSED' || - $status eq 'CANNOT_ANSWER' || $status eq 'INVALID_ACCESS' || $status eq 'UNAVAILABLE') { return ($status,$datemsg); @@ -241,27 +230,32 @@ sub check_task_access { if ($env{'request.state'} eq "construct") { return ($status,$datemsg); } - my $version=$Apache::lonhomework::history{'resource.version'}; - if ($Apache::lonhomework::history{"resource.$version.checkedin"}) { - if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass' || - $Apache::lonhomework::history{"resource.$version.status"} eq 'fail') { + + if ($type eq 'Task') { + my $version=$Apache::lonhomework::history{'resource.version'}; + if ($Apache::lonhomework::history{"resource.$version.0.checkedin"} && + $Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass') { return ('SHOW_ANSWER'); } } - my ($id)=@_; - my @slots=split(':',&Apache::lonnet::EXT("resource.$id.available")); + + my $availablestudent = &Apache::lonnet::EXT("resource.0.availablestudent"); + my $available = &Apache::lonnet::EXT("resource.0.available"); + my @slots= (split(':',$availablestudent),split(':',$available)); + # if (!@slots) { # return ($status,$datemsg); # } my $slotstatus='NOT_IN_A_SLOT'; my ($returned_slot,$slot_name); - foreach my $slot (sort(@slots)) { + foreach my $slot (@slots) { + $slot =~ s/(^\s*|\s*$)//g; &Apache::lonxml::debug("getting $slot"); my %slot=&Apache::lonnet::get_slot($slot); &Apache::lonhomework::showhash(%slot); if ($slot{'starttime'} < time && $slot{'endtime'} > time && - &check_ip_acc($slot{'ip'})) { + &Apache::loncommon::check_ip_acc($slot{'ip'})) { &Apache::lonxml::debug("$slot is good"); $slotstatus='NEEDS_CHECKIN'; $returned_slot=\%slot; @@ -270,14 +264,70 @@ sub check_task_access { } } if ($slotstatus eq 'NEEDS_CHECKIN' && - &proctor_checked_in($slot_name,$returned_slot)) { + &proctor_checked_in($slot_name,$returned_slot,$type)) { &Apache::lonxml::debug("protoctor checked in"); $slotstatus='CAN_ANSWER'; } - if ( ($slotstatus eq 'NOT_IN_A_SLOT' || $slotstatus eq 'NEEDS_CHECKIN') && - $Apache::lonhomework::history{"resource.$version.checkedin"}) { + + my ($is_correct,$got_grade,$checkedin); + if ($type eq 'Task') { + my $version=$Apache::lonhomework::history{'resource.0.version'}; + $got_grade = + ($Apache::lonhomework::history{"resource.$version.0.status"} + =~ /^(?:pass|fail)$/); + $is_correct = + ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' + || $Apache::lonhomework::history{"resource.0.solved"} =~ /^correct_/ ); + $checkedin = + $Apache::lonhomework::history{"resource.$version.0.checkedin"}; + } elsif ($type eq 'problem') { + $got_grade = 1; + $checkedin = $Apache::lonhomework::history{"resource.0.checkedin"}; + $is_correct = + ($Apache::lonhomework::history{"resource.0.solved"} =~/^correct_/); + } + + &Apache::lonxml::debug(" slot is $slotstatus checkedin ($checkedin) got_grade ($got_grade) is_correct ($is_correct)"); + + # no slot is currently open, and has been checked in for this version + # but hasn't got a grade, therefore must be awaiting a grade + if (!defined($slot_name) + && $checkedin + && !$got_grade) { return ('WAITING_FOR_GRADE'); } + + # no slot is currently open, and has been checked in for this version + # previous slot is therefore CLOSED, so therefore the problem is + if (!defined($slot_name) + && $checkedin + && $type eq 'problem') { + return ('CLOSED',$datemsg); + } + + if ($slotstatus eq 'NOT_IN_A_SLOT' + && $checkedin ) { + + if ($got_grade) { + return ('SHOW_ANSWER'); + } else { + return ('WAITING_FOR_GRADE'); + } + + } + + if ( $is_correct) { + if ($type eq 'problem') { + return ($status); + } + return ('SHOW_ANSWER'); + } + + if ( $status eq 'CANNOT_ANSWER' && + ($slotstatus ne 'NEEDS_CHECKIN' && $slotstatus ne 'NOT_IN_A_SLOT')) { + return ($status,$datemsg); + } + return ($slotstatus,$datemsg,$slot_name,$returned_slot); } @@ -289,15 +339,14 @@ sub check_access { my $status; my $datemsg = ''; my $lastdate = ''; - my $temp; my $type; my $passed; if ($env{'request.state'} eq "construct") { if ($env{'form.problemstate'}) { if ($env{'form.problemstate'} =~ /^CANNOT_ANSWER/) { - if ( ! ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct' && - lc($Apache::lonhomework::problemstatus) eq 'no')) { + if ( ! ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct' + && &hide_problem_status())) { return ('CANNOT_ANSWER', &mt('is in this state due to author settings.')); } @@ -315,17 +364,26 @@ sub check_access { &Apache::lonxml::debug("checking for part :$id:"); &Apache::lonxml::debug("time:".time); + my ($symb)=&Apache::lonnet::whichuser(); + &Apache::lonxml::debug("symb:".$symb); + #if ($env{'request.state'} ne "construct" && $symb ne '') { if ($env{'request.state'} ne "construct") { - my $allowed=&check_ip_acc(&Apache::lonnet::EXT("resource.$id.acc")); + my $idacc = &Apache::lonnet::EXT("resource.$id.acc"); + my $allowed=&Apache::loncommon::check_ip_acc($idacc); if (!$allowed && ($Apache::lonhomework::browse ne 'F')) { $status='INVALID_ACCESS'; $date=&mt("can not be accessed from your location."); return($status,$date); } - foreach $temp ("opendate","duedate","answerdate") { + foreach my $temp ("opendate","duedate","answerdate") { $lastdate = $date; - $date = &Apache::lonnet::EXT("resource.$id.$temp"); + if ($temp eq 'duedate') { + $date = &due_date($id); + } else { + $date = &Apache::lonnet::EXT("resource.$id.$temp"); + } + my $thistype = &Apache::lonnet::EXT("resource.$id.$temp.type"); if ($thistype =~ /^(con_lost|no_such_host)/ || $date =~ /^(con_lost|no_such_host)/) { @@ -348,7 +406,7 @@ sub check_access { $date = &mt("an indeterminate date"); $passed = 0; } else { if (time < $date) { $passed = 0; } else { $passed = 1; } - $date = localtime $date; + $date = &Apache::lonlocal::locallocaltime($date); } if (!$passed) { $type=$temp; last; } } @@ -367,7 +425,8 @@ sub check_access { $datemsg = &mt("was due on")." $lastdate".&mt(", and answers will be available on")." $date"; } } - if ($status eq 'CAN_ANSWER') { + if ($status eq 'CAN_ANSWER' || + (($Apache::lonhomework::browse eq 'F') && ($status eq 'CLOSED'))) { #check #tries, and if correct. my $tries = $Apache::lonhomework::history{"resource.$id.tries"}; my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries"); @@ -378,32 +437,34 @@ sub check_access { # if (correct and show prob status) or excused then CANNOT_ANSWER if(($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/ && - lc($Apache::lonhomework::problemstatus) ne 'no') + &show_problem_status()) || $Apache::lonhomework::history{"resource.$id.solved"}=~/^excused/) { $status = 'CANNOT_ANSWER'; } + if ($status eq 'CANNOT_ANSWER' + && &show_answer_problem_status()) { + $status = 'SHOW_ANSWER'; + } } if ($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER') { - my $interval=&Apache::lonnet::EXT("resource.$id.interval"); - &Apache::lonxml::debug("looking for interval $interval"); - if ($interval) { - my $first_access=&Apache::lonnet::get_first_access('map'); + my @interval=&Apache::lonnet::EXT("resource.$id.interval"); + &Apache::lonxml::debug("looking for interval @interval"); + if ($interval[0]) { + my $first_access=&Apache::lonnet::get_first_access($interval[1]); &Apache::lonxml::debug("looking for accesstime $first_access"); if (!$first_access) { $status='NOT_YET_VIEWED'; - $datemsg=&seconds_to_human_length($interval); - } else { - my $newdate=localtime($first_access+$interval); - if (time > ($first_access+$interval)) { - $status='CLOSED'; - $datemsg = &mt("was due on")." $newdate".&mt(", and answers will be available on")." $date"; - } else { - $datemsg = &mt("is due at")." $newdate"; + my $due_date = &due_date($id); + my $seconds_left = $due_date - time; + if ($seconds_left > $interval[0] || $due_date eq '') { + $seconds_left = $interval[0]; } + $datemsg=&seconds_to_human_length($seconds_left); } } } + #if (($status ne 'CLOSED') && ($Apache::lonhomework::type eq 'exam') && # (!$Apache::lonhomework::history{"resource.0.outtoken"})) { # return ('UNCHECKEDOUT','needs to be checked out'); @@ -419,6 +480,31 @@ sub check_access { return ($status,$datemsg); } +# this should work exactly like the copy in lonnavmaps.pm +sub due_date { + my ($part_id,$symb,$udom,$uname)=@_; + my $date; + my @interval= &Apache::lonnet::EXT("resource.$part_id.interval",$symb, + $udom,$uname); + &Apache::lonxml::debug("looking for interval $part_id $symb @interval"); + my $due_date= &Apache::lonnet::EXT("resource.$part_id.duedate",$symb, + $udom,$uname); + &Apache::lonxml::debug("looking for due_date $part_id $symb $due_date"); + if ($interval[0] =~ /\d+/) { + my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb); + &Apache::lonxml::debug("looking for first_access $first_access ($interval[1])"); + if (defined($first_access)) { + my $interval = $first_access+$interval[0]; + $date = (!$due_date || $interval < $due_date) ? $interval + : $due_date; + } else { + $date = $due_date; + } + } else { + $date = $due_date; + } + return $date +} sub seconds_to_human_length { my ($length)=@_; @@ -491,13 +577,15 @@ sub setuppermissions { $viewgrades = &Apache::lonnet::allowed('vgr',$env{'request.course.id'}. '/'.$env{'request.course.sec'}); } - $Apache::lonhomework::viewgrades = $viewgrades; # File global variable...dirt. + $Apache::lonhomework::viewgrades = $viewgrades; + if ($Apache::lonhomework::browse eq 'F' && $env{'form.devalidatecourseresdata'} eq 'on') { - my (undef,$courseid) = &Apache::lonxml::whichuser(); + my (undef,$courseid) = &Apache::lonnet::whichuser(); &Apache::lonnet::devalidatecourseresdata($env{"course.$courseid.num"}, $env{"course.$courseid.domain"}); } + my $modifygrades = &Apache::lonnet::allowed('mgr',$env{'request.course.id'}); if (! $modifygrades && exists($env{'request.course.sec'}) && @@ -507,9 +595,26 @@ sub setuppermissions { '/'.$env{'request.course.sec'}); } $Apache::lonhomework::modifygrades = $modifygrades; + + my $queuegrade = &Apache::lonnet::allowed('mqg',$env{'request.course.id'}); + if (! $queuegrade && + exists($env{'request.course.sec'}) && + $env{'request.course.sec'} !~ /^\s*$/) { + $queuegrade = + &Apache::lonnet::allowed('qgr',$env{'request.course.id'}. + '/'.$env{'request.course.sec'}); + } + $Apache::lonhomework::queuegrade = $queuegrade; return ''; } +sub unset_permissions { + undef($Apache::lonhomework::queuegrade); + undef($Apache::lonhomework::modifygrades); + undef($Apache::lonhomework::viewgrades); + undef($Apache::lonhomework::browse); +} + sub setupheader { my $request=$_[0]; &Apache::loncommon::content_type($request,'text/html'); @@ -529,38 +634,48 @@ sub handle_save_or_undo { my $filebak =$file.".bak"; my $filetmp =$file.".tmp"; my $error=0; - - &Apache::lonnet::correct_line_ends($result); - if ($env{'form.Undo'} eq &mt('undo')) { my $error=0; - if (!copy($file,$filetmp)) { $error=1; } - if ((!$error) && (!copy($filebak,$file))) { $error=1; } - if ((!$error) && (!move($filetmp,$filebak))) { $error=1; } + if (!&File::Copy::copy($file,$filetmp)) { $error=1; } + if ((!$error) && (!&File::Copy::copy($filebak,$file))) { $error=1; } + if ((!$error) && (!&File::Copy::move($filetmp,$filebak))) { $error=1; } if (!$error) { - &Apache::lonxml::info("".&mt("Undid changes, Switched")." $filebak ".&mt("and")." $file
"); + &Apache::lonxml::info("". + &mt("Undid changes, Switched [_1] and [_2]", + ''.$filebak. + '', + ''.$file. + '')."
"); } else { - &Apache::lonxml::info("".&mt("Unable to undo, unable to switch")." $filebak ".&mt("and")." $file
"); + &Apache::lonxml::info("". + &mt("Unable to undo, unable to switch [_1] and [_2]", + ''. + $filebak.'', + ''. + $file.'')."
"); $error=1; } } else { + &Apache::lonnet::correct_line_ends($result); my $fs=Apache::File->new(">$filebak"); if (defined($fs)) { print $fs $$problem; - &Apache::lonxml::info("".&mt("Making Backup to"). - " $filebak"); } else { - &Apache::lonxml::info("".&mt("Unable to make backup")." $filebak"); + &Apache::lonxml::info("". + &mt("Unable to make backup [_1]", + ''. + $filebak.'').""); $error=2; } my $fh=Apache::File->new(">$file"); if (defined($fh)) { print $fh $$result; - &Apache::lonxml::info("".&mt("Saving Modifications to"). - " $file"); } else { - &Apache::lonxml::info("". - &mt("Unable to write to")." $file"); + &Apache::lonxml::info(''. + &mt("Unable to write to [_1]", + ''. + $file.''). + ''); $error|=4; } } @@ -569,22 +684,27 @@ sub handle_save_or_undo { sub analyze_header { my ($request) = @_; - my $bodytag=''; - if ($env{'environment.remote'} eq 'off') { - $bodytag=&Apache::loncommon::bodytag(); - } - my $html=&Apache::lonxml::xmlbegin(); - my $result.=$html.' -