--- loncom/enrollment/Enrollment.pm 2010/08/20 21:44:59 1.43 +++ loncom/enrollment/Enrollment.pm 2017/06/18 22:29:01 1.50 @@ -1,5 +1,5 @@ # Automated Enrollment manager -# $Id: Enrollment.pm,v 1.43 2010/08/20 21:44:59 raeburn Exp $ +# $Id: Enrollment.pm,v 1.50 2017/06/18 22:29:01 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -38,7 +38,9 @@ use lib '/home/httpd/lib/perl'; use strict; sub update_LC { - my ($dom,$crs,$adds,$drops,$startdate,$enddate,$authtype,$autharg,$classesref,$groupref,$logmsg,$newusermsg,$context,$phototypes) = @_; + my ($dom,$crs,$adds,$drops,$startdate,$enddate,$authtype,$autharg, + $showcredits,$defaultcredits,$autofailsafe,$classesref,$groupref, + $logmsg,$newusermsg,$context,$phototypes) = @_; # Get institutional code and title of this class my %courseinfo = (); &get_courseinfo($dom,$crs,\%courseinfo); @@ -53,11 +55,14 @@ sub update_LC { my $status=&Apache::loncoursedata::CL_STATUS; my $type=&Apache::loncoursedata::CL_TYPE; my $lockedtype=&Apache::loncoursedata::CL_LOCKEDTYPE; + my $credidx=&Apache::loncoursedata::CL_CREDITS; + my $instidx = &Apache::loncoursedata::CL_INSTSEC; my @localstudents = (); my @futurestudents = (); my @activestudents = (); my @excludedstudents = (); my $currlist; + my $now = time; foreach my $uname (keys %{$roster} ) { if ($uname =~ m/^(.+):$dom$/) { if ($$roster{$uname}[$status] eq "Active") { @@ -126,9 +131,11 @@ sub update_LC { my %place = &place_hash(); my %ucount = (); my %enrollinfo = (); + my %classcount; foreach my $class (@{$classesref}) { my %enrolled = (); &parse_classlist($$configvars{'lonDaemons'},$dom,$crs,$class,\%place,$$groupref{$class},\%enrolled); + $classcount{$class} = scalar(keys(%enrolled)); foreach my $uname (sort keys %enrolled ) { if (!grep/^$uname$/,@reg_students) { push @reg_students,$uname; @@ -193,9 +200,11 @@ sub update_LC { } } -# Explicitly allow access to creation/modification of students if called as an automated process. +# Explicitly allow access to creation/modification of students and group membership changes +# when called as an automated process. if ($context eq 'automated') { $env{'allowed.cst'}='F'; + $env{'allowed.mdg'}='F'; } # Compare IDs with existing LON-CAPA enrollment for this class @@ -203,7 +212,17 @@ sub update_LC { unless ($uname eq '') { my %uidhash=&Apache::lonnet::idrget($dom,$uname); my @stuinfo = @{$enrollinfo{$uname}}; - my $access = ''; + my ($access,$added,$inststatus,$instsec); + my $credits; + if ($showcredits) { + $credits = $stuinfo[$place{'credits'}]; + $credits =~ s/[^\d\.]//g; + if ($credits eq $defaultcredits) { + undef($credits); + } + } + $inststatus = $stuinfo[$place{inststatus}]; + $instsec = $stuinfo[$place{instsec}]; if (grep/^$uname$/,@localstudents) { # Check for studentID changes if ( ($uidhash{$uname}) && ($uidhash{$uname} !~ /error\:/) ) { @@ -217,7 +236,7 @@ sub update_LC { my $drop_reply = &Apache::lonnet::modifystudent($dom,$uname,'','','',undef,undef,undef,undef,$$currlist{$uname}[$sec],time,undef,undef,undef,undef,'auto','',$cid,'',$context); # re-enroll as auto student if ($drop_reply !~ /^ok/) { - $$logmsg .= &mt('An error occured during the attempt to convert [_1] from a manual type to an auto type student - [_2].',$uname,$drop_reply).$linefeed; + $$logmsg .= &mt('An error occurred during the attempt to convert [_1] from a manual type to an auto type student - [_2].',$uname,$drop_reply).$linefeed; } else { # re-enroll as auto student my ($auth,$authparam,$first,$middle,$last,$gene,$usec,$end,$start,$emailaddr,$pid,$emailenc); @@ -231,25 +250,31 @@ sub update_LC { if ($usec eq '') { $showsec = &mt('none'); } - $switchresult .= &mt("Section for [_1] switched from '[_2]' to '[_3]'.",$uname,$showoldsec,$showsec).$linefeed; + $switchresult .= &mt('Section for [_1] switched from [_2] to [_3].',$uname,$showoldsec,$showsec).$linefeed; if ($context eq 'automated') { - $$logmsg .= &mt("Section switch for [_1] from '[_2]' to '[_3]'.",$uname,$showoldsec,$usec).$linefeed; + $$logmsg .= &mt('Section switch for [_1] from [_2] to [_3].',$uname,$showoldsec,$usec).$linefeed; } $switchcount ++; } - &execute_add($context,'switchtype',$uname,$dom,$auth,$authparam,$first,$middle,$last,$gene,$pid,$usec,$end,$start,$emailenc,$cid,\$addresult,\$enrollcount,$linefeed,$logmsg); + &execute_add($context,'switchtype',$uname,$dom,$auth, + $authparam,$first,$middle,$last,$gene, + $pid,$usec,$end,$start,$emailenc, + $credits,$instsec,$cid,\$addresult,\$enrollcount, + $linefeed,$logmsg); + $added = 1; } - } + } # Check for section changes if ($$currlist{$uname}[$sec] eq $stuinfo[ $place{groupID} ]) { # Check for access date changes for students with access starting in the future. if ( (grep/^$uname$/,@futurestudents) && ($$currlist{$uname}[$type] eq "auto") && ($adds == 1) ) { my $datechange = &datechange_check($$currlist{$uname}[$cstart],$$currlist{$uname}[$cend],$startdate,$enddate); if ($datechange) { - my $modify_access_result = &Apache::lonnet::modify_student_enrollment($dom,$uname,undef,undef,undef,undef,undef,$stuinfo[ $place{groupID} ],$enddate,$startdate,'auto','',$cid,'',$context); + my $modify_access_result = &Apache::lonnet::modify_student_enrollment($dom,$uname,undef,undef,undef,undef,undef,$stuinfo[ $place{groupID} ],$enddate,$startdate,'auto','',$cid,'',$context,$credits,$instsec); $access = &showaccess($enddate,$startdate); if ($modify_access_result =~ /^ok/) { $$logmsg .= &mt('Change in access dates for [_1].',$uname).$access.$linefeed; + $added = 1; } else { $$logmsg .= &mt('Error when attempting to change start and/or end access dates for [_1] in section: [_2] -error [_3].',$uname,$stuinfo[$place{groupID}],$modify_access_result).$linefeed; } @@ -268,15 +293,16 @@ sub update_LC { if ($expire_role_result eq 'ok') { my $modify_section_result; if (grep/^$uname$/,@activestudents) { - $modify_section_result = &Apache::lonnet::modify_student_enrollment($dom,$uname,undef,undef,undef,undef,undef,$stuinfo[ $place{groupID} ],$$currlist{$uname}[$cend],$$currlist{$uname}[$cstart],'auto','',$cid,'',$context); + $modify_section_result = &Apache::lonnet::modify_student_enrollment($dom,$uname,undef,undef,undef,undef,undef,$stuinfo[ $place{groupID} ],$$currlist{$uname}[$cend],$$currlist{$uname}[$cstart],'auto','',$cid,'',$context,$credits,$instsec); } else { - $modify_section_result = &Apache::lonnet::modify_student_enrollment($dom,$uname,undef,undef,undef,undef,undef,$stuinfo[ $place{groupID} ],$enddate,$startdate,'auto','',$cid,'',$context); + $modify_section_result = &Apache::lonnet::modify_student_enrollment($dom,$uname,undef,undef,undef,undef,undef,$stuinfo[ $place{groupID} ],$enddate,$startdate,'auto','',$cid,'',$context,$credits,$instsec); $access = &showaccess($enddate,$startdate); } if ($modify_section_result =~ /^ok/) { - $switchresult .= &mt("Section for [_1] switched from old section: '[_2]' to new section: '[_3]'.",$uname,$$currlist{$uname}[$sec],$stuinfo[ $place{groupID} ]).$access.$linefeed; + $switchresult .= &mt('Section for [_1] switched from old section: [_2] to new section: [_3].',$uname,$$currlist{$uname}[$sec],$stuinfo[ $place{groupID} ]).$access.$linefeed; + $added = 1; if ($context eq 'automated') { - $$logmsg .= &mt('Section switch for [_1] from [_2] to [_3]',$uname,$$currlist{$uname}[$sec],$stuinfo[ $place{groupID} ]).$linefeed; + $$logmsg .= &mt('Section switch for [_1] from [_2] to [_3].',$uname,$$currlist{$uname}[$sec],$stuinfo[ $place{groupID} ]).$linefeed; } $switchcount ++; } else { @@ -287,6 +313,31 @@ sub update_LC { } } } +# Check for credits changes + if (($showcredits) && + ($$currlist{$uname}[$credidx] ne $credits) && (!$added)) { + my $modify_credits_result = + &Apache::lonnet::modify_student_enrollment($dom,$uname,undef,undef,undef,undef,undef,$stuinfo[ $place{groupID} ],$enddate,$startdate,'auto','',$cid,'',$context,$credits,$instsec); + if ($modify_credits_result =~ /^ok/) { + if ($credits ne '') { + $$logmsg .= &mt('Credits change for [_1] from [_2] to [_3].',$uname,$$currlist{$uname}[$credidx],$credits).$linefeed; + } else { + $$logmsg .= &mt('Credits change for [_1] from [_2] to course default [_3].',$uname,$$currlist{$uname}[$credidx],$defaultcredits).$linefeed; + } + } else { + $$logmsg .= &mt('Error when attempting to change credits for [_1] in section: [_2] -error [_3].',$uname,$stuinfo[$place{groupID}],$modify_credits_result).$linefeed; + } + } +# Check for institutional section change + if ($$currlist{$uname}[$instidx] ne $instsec) { + my $modify_instsec_result = + &Apache::lonnet::modify_student_enrollment($dom,$uname,undef,undef,undef,undef,undef,$stuinfo[ $place{groupID} ],$enddate,$startdate,'auto','',$cid,'',$context,$credits,$instsec); + if ($modify_instsec_result =~ /^ok/) { + $$logmsg .= &mt('Institutional section change for [_1] from [_2] to [_3].',$uname,$$currlist{$uname}[$instidx],$instsec).$linefeed; + } else { + $$logmsg .= &mt('Error when attempting to change institutional section for [_1] in section: [_2] -error [_3].',$uname,$stuinfo[$place{groupID}],$modify_instsec_result).$linefeed; + } + } } else { # Check for changed usernames by checking studentIDs if ( ($stuinfo[ $place{studentID} ] ne '') && (grep/^$stuinfo[ $place{studentID} ]$/,@LCids) ) { @@ -302,9 +353,10 @@ sub update_LC { $$logmsg .= &mt('Because of this student/employee ID conflict, the new username - [_1] - has not been added to the LON-CAPA classlist',$uname).$linefeed; } } elsif ($adds == 1) { - my ($auth,$authparam,$first,$middle,$last,$gene,$usec,$end,$start,$emailaddr,$pid,$emailenc); + my ($auth,$authparam,$first,$middle,$last,$gene,$usec,$end,$start,$emailaddr,$pid,$emailenc,$credithours); &prepare_add($authtype,$autharg,$enddate,$startdate,\@stuinfo,\%place,\$dom,\$uname,\$auth,\$authparam,\$first,\$middle,\$last,\$gene,\$usec,\$end,\$start,\$emailaddr,\$pid,\$emailenc); # Check for existing account in this LON-CAPA domain for this username + next if (($end) && ($end < $now)); my $uhome=&Apache::lonnet::homeserver($uname,$dom); if ($uhome eq 'no_host') { # User does not exist my $args = {'auth' => $auth, @@ -326,11 +378,20 @@ sub update_LC { 'cdom' => $dom, 'context' => $context, 'linefeed' => $linefeed, - 'role' => 'st' + 'inststatus' => $inststatus, + 'instsec' => $instsec, + 'role' => 'st', }; + if ($credits) { + $args->{'credits'} = $credits; + } my $outcome = &create_newuser($args,$logmsg,$newusermsg,\$enrollcount,\$addresult,\%longroles,\%courseinfo,$context); } else { - &execute_add($context,'newstudent',$uname,$dom,$auth,$authparam,$first,$middle,$last,$gene,$pid,$usec,$end,$start,$emailenc,$cid,\$addresult,\$enrollcount,$linefeed,$logmsg); + &execute_add($context,'newstudent',$uname,$dom,$auth, + $authparam,$first,$middle,$last,$gene,$pid, + $usec,$end,$start,$emailenc,$credits,$instsec, + $cid,\$addresult,\$enrollcount,$linefeed, + $logmsg); } if ($courseinfo{'showphoto'}) { my ($result,$resulttype) = @@ -374,6 +435,7 @@ sub update_LC { # Do drops if ( ($drops == 1) && (@reg_students > 0) ) { + my %delaydrops; foreach my $uname (@localstudents) { if ($$currlist{$uname}[$type] eq "auto") { my @saved = (); @@ -385,9 +447,20 @@ sub update_LC { push @saved,$uname; } } elsif (@saved == 0) { +# Check enrollment count for institutional section of student to be dropped + if ($$currlist{$uname}[$instidx]) { + if (exists($classcount{$$currlist{$uname}[$instidx]})) { + if ($classcount{$$currlist{$uname}[$instidx]} == 0) { + if ($autofailsafe) { + push(@{$delaydrops{$$currlist{$uname}[$instidx]}},$uname); + next; + } + } + } + } my $drop_reply = &Apache::lonnet::modifystudent($dom,$uname,'','','',undef,undef,undef,undef,$$currlist{$uname}[$sec],time,undef,undef,undef,undef,'auto','',$cid,'',$context); if ($drop_reply !~ /^ok/) { - $$logmsg .= &mt('An error occured during the attempt to expire the [_1] from the old section [_2] - [_3].',$uname,$$currlist{$uname}[$sec],$drop_reply).$linefeed; + $$logmsg .= &mt('An error occurred during the attempt to expire the [_1] from the old section [_2] - [_3].',$uname,$$currlist{$uname}[$sec],$drop_reply).$linefeed; } else { $dropcount ++; my %userenv = &Apache::lonnet::get('environment',['firstname','lastname','id'],$dom,$uname); @@ -400,11 +473,41 @@ sub update_LC { } } } + if (scalar(keys(%delaydrops)) > 0) { + foreach my $class (keys(%delaydrops)) { + if (ref($delaydrops{$class}) eq 'ARRAY') { + if ($autofailsafe < scalar(@{$delaydrops{$class}})) { + $$logmsg .= &mt('The following students were not expired from the old section [_1] because the enrollment count retrieved for that institutional section was zero, and the number of students with roles to expire exceeded the failsafe threshold of [_2]:',$class,$autofailsafe); + if ($context eq "updatenow") { + $$logmsg .= '
'.join('
',@{$delaydrops{$class}}).$linefeed; + } elsif ($context eq "automated") { + $$logmsg .= $linefeed.join($linefeed,@{$delaydrops{$class}}).$linefeed; + } + } else { + foreach my $uname (@{$delaydrops{$class}}) { + my $drop_reply = &Apache::lonnet::modifystudent($dom,$uname,'','','',undef,undef,undef,undef,$$currlist{$uname}[$sec],time,undef,undef,undef,undef,'auto','',$cid,'',$context); + if ($drop_reply !~ /^ok/) { + $$logmsg .= &mt('An error occurred during the attempt to expire the [_1] from the old section [_2] - [_3].',$uname,$$currlist{$uname}[$sec],$drop_reply).$linefeed; + } else { + $dropcount ++; + my %userenv = &Apache::lonnet::get('environment',['firstname','lastname','id'],$dom,$uname); + $dropresult .= $userenv{'firstname'}." ".$userenv{'lastname'}." (".$userenv{'id'}.") - ".$uname.' '.&mt("dropped from section: '[_1]'.",$$currlist{$uname}[$sec]).$linefeed; + if ($context eq 'automated') { + $$logmsg .= &mt('User [_1] student role expired from course.',$uname).$linefeed; + } + } + } + } + } + } + } } -# Terminated explictly allowed access to student creation/modification +# Terminated explictly allowed access to student creation/modification +# and group membership changes if ($context eq 'automated') { delete($env{'allowed.cst'}); + delete($env{'allowed.mdg'}); } if ($enrollcount > 0) { if ($context eq "updatenow") { @@ -473,6 +576,9 @@ sub create_newuser { my $context = $args->{'context'}; my $linefeed = $args->{'linefeed'}; my $role = $args->{'role'}; + my $inststatus = $args->{'inststatus'}; + my $credits = $args->{'credits'}; + my $instsec = $args->{'instsec'}; my $create_passwd = 0; my $authchk = ''; my $outcome; @@ -517,7 +623,7 @@ sub create_newuser { $outcome = $result; } } else { - $outcome=&Apache::lonnet::modifystudent($udom,$uname,$pid,$auth,$authparam,$first,$middle,$last,$gene,$usec,$end,$start,'',undef,$emailaddr,'auto','',$cid,'',$called_context); + $outcome=&Apache::lonnet::modifystudent($udom,$uname,$pid,$auth,$authparam,$first,$middle,$last,$gene,$usec,$end,$start,'',undef,$emailaddr,'auto','',$cid,'',$called_context,$inststatus,$credits,$instsec); } if ($outcome eq 'ok') { my $access = &showaccess($end,$start); @@ -569,7 +675,11 @@ sub create_newuser { if ($start > 0) { $access_start = localtime($start) } - $body = &mt('You have been enrolled in the LON-CAPA system at your institution, because you are a registered student in a class which is using the LON-CAPA couse management and online homework system.')."\n\n".&mt("You should log-in to the system using the following credentials:\nusername: [_1]\npassword: [_2]",$uname,$authparam)."\n\n".&mt('The URL you should use to access the LON-CAPA system at your institution is: ').$portalurl."\n\n".&mt('When you log-in you will be able to access the LON-CAPA course for [_1] - [_2] starting [_3].',$$courseinfo{'description'},$$courseinfo{'inst_code'},$access_start)."\n"; + $body = + &mt('You have been enrolled in the LON-CAPA system at your institution, because you are a registered student in a class which is using the LON-CAPA course management and online homework system.')."\n\n" + .&mt("You should log-in to the system using the following credentials:\nusername: [_1]\npassword: [_2]",$uname,$authparam)."\n\n" + .&mt('The URL you should use to access the LON-CAPA system at your institution is: ').$portalurl."\n\n" + .&mt('When you log-in you will be able to access the LON-CAPA course for [_1] - [_2] starting [_3].',$$courseinfo{'description'},$$courseinfo{'inst_code'},$access_start)."\n"; } &Apache::lonmsg::sendemail($emailaddr,$subject,$body); } @@ -603,7 +713,7 @@ sub prepare_add { $$start = $$stuinfo[ $$place{'startdate'} ]; $$emailaddr = $$stuinfo[ $$place{'email'} ]; $$pid = $$stuinfo[ $$place{'studentID'} ]; - + # remove non alphanumeric values from section $$usec =~ s/\W//g; @@ -631,9 +741,11 @@ sub prepare_add { } sub execute_add { - my ($context,$caller,$uname,$dom,$auth,$authparam,$first,$middle,$last,$gene,$pid,$usec,$end,$start,$emailenc,$cid,$addresult,$enrollcount,$linefeed,$logmsg) = @_; + my ($context,$caller,$uname,$dom,$auth,$authparam,$first,$middle,$last, + $gene,$pid,$usec,$end,$start,$emailenc,$credits,$instsec,$cid,$addresult, + $enrollcount,$linefeed,$logmsg) = @_; # Get the user's information and authentication - my %userenv = &Apache::lonnet::get('environment',['firstname','middlename','lastname','generation','id','critnotification','notification','permanentemail'],$dom,$uname); + my %userenv = &Apache::lonnet::get('environment',['firstname','middlename','lastname','generation','id','critnotification','notification','permanentemail','inststatus'],$dom,$uname); my ($tmp) = keys(%userenv); if ($tmp =~ /^(con_lost|error)/i) { %userenv = (); @@ -702,7 +814,11 @@ sub execute_add { } # Assign the role of student in the course. - my $classlist_reply = &Apache::lonnet::modify_student_enrollment($dom,$uname,$pid,$first,$middle,$last,$gene,$usec,$end,$start,'auto','',$cid,'',$context); + my $classlist_reply = + &Apache::lonnet::modify_student_enrollment($dom,$uname,$pid,$first,$middle, + $last,$gene,$usec,$end,$start, + 'auto','',$cid,'',$context, + $credits,$instsec); if ($classlist_reply eq 'ok') { my $access = &showaccess($end,$start); my $showsec = $usec; @@ -765,7 +881,7 @@ sub parse_classlist { my $xmlfile = $tmpdir."/tmp/".$dom."_".$crs."_".$class."_classlist.xml"; my $uname = ''; my @state; - my @items = ('autharg','authtype','email','firstname','generation','lastname','middlename','studentID'); + my @items = ('autharg','authtype','email','firstname','generation','lastname','middlename','studentID','credits','inststatus'); my $p = HTML::Parser->new ( xml_mode => 1, @@ -776,6 +892,7 @@ sub parse_classlist { if ("@state" eq "students student") { $uname = $attr->{username}; $$studentsref{$uname}[ $$placeref{'groupID'} ] = $groupID; + $$studentsref{$uname}[ $$placeref{'instsec'} ] = $class; } }, "tagname, attr"], text_h => @@ -856,7 +973,7 @@ sub get_courseinfo { my ($dom,$crs,$courseinfo) = @_; my $owner; if (defined($dom) && defined($crs)) { - my %settings = &Apache::lonnet::get('environment',['internal.coursecode','internal.showphoto','description'],$dom,$crs); + my %settings = &Apache::lonnet::get('environment',['internal.coursecode','internal.showphoto','description','internal.defaultcredits'],$dom,$crs); if ( defined($settings{'internal.coursecode'}) ) { $$courseinfo{'inst_code'} = $settings{'internal.coursecode'}; } @@ -866,6 +983,9 @@ sub get_courseinfo { if ( defined($settings{'internal.showphoto'}) ) { $$courseinfo{'showphoto'} = $settings{'internal.showphoto'}; } + if ( defined($settings{'internal.credithours'}) ) { + $$courseinfo{'defaultcredits'} = $settings{'internal.defaultcredits'}; + } } return; } @@ -883,6 +1003,9 @@ sub place_hash { middlename => 8, startdate => 9, studentID => 10, + credits => 11, + inststatus => 12, + instsec => 13, ); return %place; }