--- loncom/enrollment/Autoupdate.pl	2007/02/16 01:37:54	1.1
+++ loncom/enrollment/Autoupdate.pl	2011/12/18 01:23:21	1.22
@@ -1,6 +1,7 @@
 #!/usr/bin/perl
 #
 # Automated Userinfo update script
+# $Id: Autoupdate.pl,v 1.22 2011/12/18 01:23:21 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -27,12 +28,23 @@
     use strict;
     use lib '/home/httpd/lib/perl';
     use localenroll;
-    use LONCAPA::Configuration;
-    use LONCAPA::Enrollment;
     use Apache::lonnet;
     use Apache::loncommon;
+    use Apache::lonlocal;
+    use Apache::lonuserutils();
+    use LONCAPA::Configuration;
+    use LONCAPA;
 
-    my @info = ('inststatus','lockedname','lastname','firstname','id');
+    my $perlvarref = LONCAPA::Configuration::read_conf('loncapa.conf');
+    exit if (ref($perlvarref) ne 'HASH');
+    my $logfile = $perlvarref->{'lonDaemons'}.'/logs/autoupdate.log';
+    exit if ($perlvarref->{'lonRole'} ne 'library');
+    my $hostid = $perlvarref->{'lonHostID'};
+
+    my @info = ('inststatus','lockedname','internalname','lastname',
+                'firstname','middlename','generation','id','permanentemail');
+    # Initialize language handler
+    &Apache::lonlocal::get_language_handle();
     # find out which users we need to examine
     my @domains = sort(&Apache::lonnet::current_machine_domains());
     foreach my $dom (@domains) {
@@ -43,75 +55,143 @@
         my $settings;
         if (ref($domconfig{'autoupdate'}) eq 'HASH') {
             $settings = $domconfig{'autoupdate'};
-            if ($settings->{'run'} eq 'yes') {
+            if ($settings->{'run'} eq '1') {
                 $run_update = 1;
             }
         }
         next if (!$run_update);
-        my %users;
+        open(my $fh,">>$logfile");
+        print $fh ("********************\n".&Apache::lonlocal::locallocaltime(time).' '.&mt('Autoupdate messages start for domain: [_1]',$dom).' --'."\n");
+        # get courseIDs for domain
+        my %courses=&Apache::lonnet::courseiddump($dom,'.',1,'.','.','.',1,[$hostid],'.');
+        # get user information
+        my (%users,%instusers,%instids);
+        my $dir = $Apache::lonnet::perlvar{lonUsersDir}.'/'.$dom;
+        &descend_tree($dom,$dir,0,\%users,\%courses);
+        my $resp = &localenroll::allusers_info($dom,\%instusers,\%instids,\%users);
+        if ($resp ne 'ok') {
+            print $fh &mt('Problem retrieving institutional data for users in domain: [_1].',$dom)."\n".
+                      &mt('Error: [_1].',$resp)."\n".
+                      "-- \n".&Apache::lonlocal::locallocaltime(time).' '.
+                      &mt('Autoupdate messages end')."\n*******************\n\n";
+            next;
+        }
+        my (%unamechg,%possnames);
         my @types = ('active','future');
         my @roles = ('st');
         my @cdoms = ($dom);
-        my $dir = $Apache::lonnet::perlvar{lonUsersDir}.'/'.$dom;
-        &descend_tree($dir,0,\%users);
-        foreach my $uname (keys(%users)) {
+        foreach my $uname (sort(keys(%users))) {
             my %userhash = &Apache::lonnet::userenvironment($dom,$uname,@info);
+            my (@inststatuses);
+            if (!$userhash{'internalname'}) {
+                if (defined($instusers{$uname})) {
+                    (my $insttypechg,@inststatuses) = 
+                       &affiliations_check(\%userhash,$instusers{$uname});
+                    if ($insttypechg) {
+                        my $inststatusstr = join(':',map { &escape($_) } (@inststatuses));
+                        my %statushash = ( inststatus => $inststatusstr );
+                        my $statusres = &Apache::lonnet::put('environment',\%statushash,$dom,$uname);
+                    }
+                }
+            }
             if (!$userhash{'lockedname'} && !$userhash{'internalname'}) {
-                my %userinfo = &localenroll::get_userinfo($dom,$uname,%userhash);
-                if (keys(%userinfo) > 0) {
-                    my @fields = @{$settings->{'default'}};
-                    if ($userhash{'inststatus'} ne '') {
-                        if (ref($settings->{$userhash{'inststatus'}}) eq 'ARRAY') {
-                            @fields = @{$settings->{$userhash{'inststatus'}}};
+                if (defined($instusers{$uname})) {
+                    my (@fields,%changes,$changed);
+                    if (@inststatuses > 0) {
+                        foreach my $type (@inststatuses) {
+                            if (ref($settings->{fields}{$type}) eq 'ARRAY') {
+                                foreach my $field (@{$settings->{fields}{$type}}) {
+                                    if (!grep(/^\Q$field\E$/,@fields)) {
+                                        push(@fields,$field);
+                                    }
+                                }
+                            } 
+                        }
+                    } else {
+                        if (ref($settings->{fields}{'default'}) eq 'ARRAY') {
+                            @fields = @{$settings->{fields}{'default'}};
                         }
                     }
-                    my %changes;
-                    my $changed;
                     foreach my $field (@fields) { 
-                        if ($userhash{$field} ne $userinfo{$field}) {
+                        if ($userhash{$field} ne $instusers{$uname}{$field}) {
                             $changed = 1;
-                            if ($settings->{'classlists'} eq 'yes') { 
+                            if ($settings->{'classlists'} == 1) { 
                                 if ($field eq 'id') {
                                     $changes{'id'} = 1;
-                                } elsif ($field eq 'lastname' || $field eq 'firstname' || $field eq 'middlename' || $field eq 'gen') {
+                                } elsif ($field eq 'lastname' || $field eq 'firstname' || $field eq 'middlename' || $field eq 'generation') {
                                     $changes{'fullname'} = 1;
                                 }
                             }
-                        }  
+                        }
                     }
                     # Make the change
                     if ($changed) {
                         my %userupdate;
+                        foreach my $item ('lastname','firstname','middlename','generation','id',
+                                          'permanentemail') {
+                            $userupdate{$item} = $userhash{$item};
+                        }
                         foreach my $field (@fields) {
-                            $userupdate{$field} = $userinfo{$field};
+                            $userupdate{$field} = $instusers{$uname}{$field};
                         }
-                        my $putresult = &Apache::lonnet::put
-                                       ('environment',\%userupdate,$dom,$uname);
-                        if ($putresult eq 'ok') {
-                            if ($settings->{'classlists'} eq 'yes') {
+                        my $modresult = &Apache::lonnet::modifyuser($dom,$uname,$userupdate{'id'},undef,undef,$userupdate{'firstname'},$userupdate{'middlename'},$userupdate{'lastname'},$userupdate{'generation'},1,$hostid,$userupdate{'permanentemail'},undef,\@fields);
+                        if ($modresult eq 'ok') {
+                            print $fh "User change: $uname:$dom; New values: 1.Name: $userupdate{'firstname'} $userupdate{'middlename'} $userupdate{'lastname'} $userupdate{'generation'}; 2. StuID: $userupdate{'id'}; 3. Email: $userupdate{'permanentemail'}.\n";
+                            if ($settings->{'classlists'} == 1) {
                                 if ($changes{'id'} || $changes{'fullname'}) {
                                     my %roleshash = 
                                         &Apache::lonnet::get_my_roles($uname,
-                                                  $dom,\@types,\@roles,\@cdoms);
-                                    foreach my $item (%roleshash) {
+                                                  $dom,'userroles',\@types,\@roles,\@cdoms);
+                                    foreach my $item (keys(%roleshash)) {
                                         my ($cnum,$cdom,$role) = split(/:/,$item);
                                         my ($start,$end) = split(/:/,$roleshash{$item});
-                                        if (&Apache::loncommon::is_course($cdom,$cnum)) {
-                                            my $result = &update_classlist($cdom,$cnum,$dom,$uname,\%userupdate);
+                                        if (&Apache::lonnet::is_course($cdom,$cnum)) {
+                                            my $result = 
+                                                &Apache::lonuserutils::update_classlist($cdom,$cnum,$dom,$uname,\%userupdate);
+                                            if ($result eq 'ok') {
+                                                print $fh "Classlist change: $uname:$dom - class -> $cnum:$cdom\n";
+                                            } else {
+                                                print $fh "Error - $result -during classlist update for $uname:$dom in $cnum:$cdom\n";
+                                            }
                                         }
                                     }
                                 }
                             }
+                        } else {
+                            print $fh "User change detected for $uname:$dom. Error during update: $modresult\n";
+                        }
+                    }
+                } else {
+                    # check if the username has changed
+                    if (defined($instids{$userhash{'id'}})) {
+                        if (ref($instids{$userhash{'id'}}) eq 'ARRAY') {
+                            foreach my $name (@{$instids{$userhash{'id'}}}) {
+                                if (!exists($users{$name})) {
+                                    push(@{$possnames{$uname}},$name);
+                                }
+                            }
+                        } else {
+                            if (!exists($users{$instids{$userhash{'id'}}})) {
+                                $unamechg{$uname} = $instids{$userhash{'id'}};
+                                print $fh (&mt('Username change to [_1] detected for [_2] in domain [_3].',$unamechg{$uname},$uname,$dom)."\n");
+                            }
                         }
                     }
                 }
             }
         }
+        if (keys(%possnames) > 0) {
+            foreach my $uname (keys(%possnames)) {
+                my $altnames = join(' or ',@{$possnames{$uname}});
+                print $fh (&mt('Possible username change to [_1] detected for [_2] in domain [_3].',$altnames,$uname,$dom)."\n");
+            }
+        }
+        print $fh ("-- \n".&Apache::lonlocal::locallocaltime(time).' '.&mt('Autoupdate messages end')."\n*******************\n\n");
+        close($fh);
     }
 
-
 sub descend_tree {
-    my ($dir,$depth,$alldomusers) = @_;
+    my ($dom,$dir,$depth,$alldomusers,$coursesref) = @_;
     if (-d $dir) {
         opendir(DIR,$dir);
         my @contents = grep(!/^\./,readdir(DIR));
@@ -119,49 +199,38 @@ sub descend_tree {
         $depth ++;
         foreach my $item (@contents) {
             if ($depth < 4) {
-                &descend_tree($dir.'/'.$item,$depth,$alldomusers);
-            } else {
-                if (-e $dir.'/'.$item.'/environment.db') {
-                    
-                    $$alldomusers{$item} = '';
+                &descend_tree($dom,$dir.'/'.$item,$depth,$alldomusers,$coursesref);
+            } elsif (-e $dir.'/'.$item.'/passwd') {
+                if (ref($coursesref) eq 'HASH') {
+                    next if (exists($coursesref->{$dom.'_'.$item}));
                 }
+                $$alldomusers{$item} = '';
             }
         }
     }
 }
 
-sub update_classlist {
-    my ($cdom,$cnum,$udom,$uname,$user) = @_;
-    my ($uid,$fullname,$classlistentry);
-    my $fullname = 
-        &Apache::lonnet::format_name($user->{'first'},$user->{'middle'},
-                                     $user->{'last'},$user->{'gene'},'lastname');
-    my %classhash = &Apache::lonnet::get('classlist',[$uname.':'.$udom],
-                                         $cdom,$cnum);
-    my @classinfo = split(/:/,$classhash{$uname.':'.$udom});
-    my $ididx=&Apache::loncoursedata::CL_ID() - 2;
-    my $nameidx=&Apache::loncoursedata::CL_FULLNAME() - 2;
-    for (my $i=0; $i<@classinfo; $i++) {
-        if ($i == $ididx) {
-            if (defined($user->{'id'})) {
-                $classlistentry .= $user->{'id'}.':';
-            } else {
-                $classlistentry .= $classinfo[$i].':';
-            }
-        } elsif ($i == $nameidx) {
-            $classlistentry .= $fullname.':';
-        } else {
-            $classlistentry .= $classinfo[$i].':';
+sub affiliations_check {
+    my ($userhash,$insthashref) = @_;
+    my (@inststatuses,$insttypechg);;
+    if (ref($insthashref) eq 'HASH') {
+        if (ref($insthashref->{'inststatus'}) eq 'ARRAY') {
+            @inststatuses = @{$insthashref->{'inststatus'}};
+        }
+    }
+    my @currstatuses = map { &unescape($_); } (split(/:/,$userhash->{'inststatus'}));
+    foreach my $status (@inststatuses) {
+        if (!grep/^\Q$status\E/,@currstatuses) {
+            $insttypechg = 1;
         }
     }
-    $classlistentry =~ s/:$//;
-    my $reply=&Apache::lonnet::cput('classlist',
-                                    {"$uname:$udom" => $classlistentry},
-                                    $cdom,$cnum);
-    if (($reply eq 'ok') || ($reply eq 'delayed')) {
-        return 'ok';
-    } else { 
-        return 'error: '.$reply;
+    if (!$insttypechg) {
+        foreach my $status (@currstatuses) {
+            if (!grep/^\Q$status\E/,@inststatuses) {
+                $insttypechg = 1;
+            }
+        }
     }
+    return ($insttypechg,@inststatuses);
 }