--- loncom/misc/refresh_courseids_db.pl	2010/07/30 17:46:12	1.6
+++ loncom/misc/refresh_courseids_db.pl	2013/12/25 20:43:51	1.17
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # The LearningOnline Network
 #
-# $Id: refresh_courseids_db.pl,v 1.6 2010/07/30 17:46:12 raeburn Exp $
+# $Id: refresh_courseids_db.pl,v 1.17 2013/12/25 20:43:51 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -61,7 +61,7 @@ use LONCAPA qw(:DEFAULT :match);
 
 exit if ($Apache::lonnet::perlvar{'lonRole'} ne 'library');
 
-use vars qw( %checkparms %checkresponsetypes %checkcrstypes %anonsurvey );
+use vars qw( %checkparms %checkresponsetypes %checkcrstypes %anonsurvey %randomizetry );
 
 #  Make sure this process is running from user=www
 my $wwwid=getpwnam('www');
@@ -78,18 +78,22 @@ open(my $fh,'>>'.$Apache::lonnet::perlva
 print $fh "==== refresh_courseids_db.pl Run ".localtime()."====\n";
 
 my @domains = sort(&Apache::lonnet::current_machine_domains());
+my @ids=&Apache::lonnet::current_machine_ids();
 
-&build_release_hashes();
+&Apache::loncommon::build_release_hashes(\%checkparms,\%checkresponsetypes,
+                                         \%checkcrstypes,\%anonsurvey,\%randomizetry);
 $env{'allowed.bre'} = 'F';
 
 foreach my $dom (@domains) {
+    $env{'user.domain'} = $dom;
+    $env{'user.name'} = &Apache::lonnet::get_domainconfiguser($dom);
     my %courseshash;
-    my @ids=&Apache::lonnet::current_machine_ids();
     my %currhash = &Apache::lonnet::courseiddump($dom,'.',1,'.','.','.',1,\@ids,'.');
+    my %lastaccess = &Apache::lonnet::courselastaccess($dom,undef,\@ids);
     my $dir = $Apache::lonnet::perlvar{lonUsersDir}.'/'.$dom;
     my %domdesign = &Apache::loncommon::get_domainconf($dom);
     my $autoassign = $domdesign{$dom.'.autoassign.co-owners'};
-    &recurse_courses($dom,$dir,0,\%courseshash,\%currhash,$autoassign,$fh);
+    &recurse_courses($dom,$dir,0,\%courseshash,\%currhash,\%lastaccess,$autoassign,$fh);
     foreach my $lonhost (keys(%courseshash)) {
         if (ref($courseshash{$lonhost}) eq 'HASH') {
             if (&Apache::lonnet::courseidput($dom,$courseshash{$lonhost},$lonhost,'notime') eq 'ok') {
@@ -99,6 +103,8 @@ foreach my $dom (@domains) {
             }
         }
     }
+    delete($env{'user.name'});
+    delete($env{'user.domain'});
 }
 
 delete($env{'allowed.bre'});
@@ -108,7 +114,7 @@ print $fh "==== refresh_courseids.db com
 close($fh);
 
 sub recurse_courses {
-    my ($cdom,$dir,$depth,$courseshash,$currhash,$autoassign,$fh) = @_;
+    my ($cdom,$dir,$depth,$courseshash,$currhash,$lastaccess,$autoassign,$fh) = @_;
     next unless (ref($currhash) eq 'HASH');
     if (-d $dir) {
         opendir(DIR,$dir);
@@ -118,7 +124,7 @@ sub recurse_courses {
         foreach my $item (@contents) {
             if ($depth < 4) {
                 &recurse_courses($cdom,$dir.'/'.$item,$depth,$courseshash,
-                                 $currhash,$autoassign,$fh);
+                                 $currhash,$lastaccess,$autoassign,$fh);
             } elsif ($item =~ /^$match_courseid$/) {
                 my $cnum = $item;
                 my $cid = $cdom.'_'.$cnum;
@@ -151,6 +157,7 @@ sub recurse_courses {
                 }
                 my $chome = &Apache::lonnet::homeserver($cnum,$cdom);
                 my $owner = $courseinfo{'internal.courseowner'};
+                my $twodaysago = time - 172800;
                 my (%roleshash,$gotcc,$reqdmajor,$reqdminor);
                 if ($owner eq '') {
                     %roleshash = &Apache::lonnet::get_my_roles($cnum,$cdom,undef,undef,['cc'],undef,undef,1);
@@ -176,8 +183,11 @@ sub recurse_courses {
                 my $creator = $courseinfo{'internal.creator'};
                 my $creationcontext = $courseinfo{'internal.creationcontext'};
                 my $inst_code = $courseinfo{'internal.coursecode'};
+                my $releaserequired = $courseinfo{'internal.releaserequired'};
+                my $uniquecode = $courseinfo{'internal.uniquecode'};
                 $inst_code = '' if (!defined($inst_code));
                 $owner = '' if (!defined($owner));
+                $uniquecode = '' if (!defined($uniquecode));
                 if ($created eq '') {
                     if (ref($currhash->{$cid}) eq 'HASH') {
                         $created = $currhash->{$cid}{'created'};
@@ -198,13 +208,11 @@ sub recurse_courses {
                             my @stats = stat("$dir/$cnum/passwd");
                             $created = $stats[9];
                         }
-                        my %lastaccess = 
-                            &Apache::lonnet::courselastaccess($cdom,$cnum);
-                        if ($lastaccess{$cid}) {
+                        if ($lastaccess->{$cid}) {
                             if ($created eq '') {
-                                $created = $lastaccess{$cid};
-                            } elsif ($lastaccess{$cid} < $created) {
-                                $created = $lastaccess{$cid};
+                                $created = $lastaccess->{$cid};
+                            } elsif ($lastaccess->{$cid} < $created) {
+                                $created = $lastaccess->{$cid};
                             }
                         }
                         unless ($created eq '') {
@@ -212,26 +220,48 @@ sub recurse_courses {
                         }
                     }
                 }
-                
-                $env{'request.course.id'} = $cdom.'_'.$cnum;
-                $env{'request.role'} = 'cc./'.$cdom.'/'.$cnum;
-                &Apache::lonuserstate::readmap($cdom.'/'.$cnum);
-
-                # check all parameters
-                ($reqdmajor,$reqdminor) = &parameter_constraints($cnum,$cdom);
-
-                # check course type
-                ($reqdmajor,$reqdminor) = &coursetype_constraints($cnum,$cdom,$crstype,
-                                                                 $reqdmajor,
-                                                                 $reqdminor);
-                # check course contents
-                ($reqdmajor,$reqdminor) = &coursecontent_constraints($cnum,$cdom,
+                 
+                if (($chome ne '')  && ($lastaccess->{$cid} > $twodaysago)) {
+                    $env{'request.course.id'} = $cdom.'_'.$cnum;
+                    $env{'request.role'} = 'cc./'.$cdom.'/'.$cnum;
+                    &Apache::lonuserstate::readmap($cdom.'/'.$cnum);
+
+                    # check all parameters
+                    ($reqdmajor,$reqdminor) = &parameter_constraints($cnum,$cdom);
+
+                    # check course type
+                    ($reqdmajor,$reqdminor) = &coursetype_constraints($cnum,$cdom,$crstype,
+                                                                      $reqdmajor,
+                                                                      $reqdminor);
+                    # check communication blocks 
+                    ($reqdmajor,$reqdminor) = &commblock_constraints($cnum,$cdom,
                                                                      $reqdmajor,
                                                                      $reqdminor);
-                delete($env{'request.course.id'});
-                delete($env{'request.role'});
+                    # check course contents
+                    ($reqdmajor,$reqdminor) = &coursecontent_constraints($cnum,$cdom,
+                                                                         $reqdmajor,
+                                                                         $reqdminor);
+                    delete($env{'request.course.id'});
+                    delete($env{'request.role'});
+                } elsif ($releaserequired) {
+                    ($reqdmajor,$reqdminor) = split(/\./,$releaserequired);
+                }
 
                 unless ($chome eq 'no_host') {
+                    if (($lastaccess->{$cid} eq '') ||
+                        ($lastaccess->{$cid} > $twodaysago)) {
+                        my $contentchange;
+                        if ($courseinfo{'internal.created'} eq '') {
+                            $contentchange = &last_map_update($cnum,$cdom);
+                        } else {
+                            unless ($courseinfo{'internal.created'} > $lastaccess->{$cid}) {
+                                $contentchange = &last_map_update($cnum,$cdom);
+                            }
+                        }
+                        if (($contentchange) && ($contentchange > $courseinfo{'internal.contentchange'})) {
+                            $changes{'internal.contentchange'} = $contentchange;
+                        }
+                    }
                     $courseshash->{$chome}{$cid} = {
                         description => $courseinfo{'description'},
                         inst_code   => $inst_code,
@@ -298,7 +328,7 @@ sub recurse_courses {
                             $courseshash->{$chome}{$cid}{$item} = $courseinfo{$item}; 
                         }
                     }
-                    foreach my $item ('selfenroll_types','selfenroll_start_date','selfenroll_end_date') {
+                    foreach my $item ('selfenroll_types','selfenroll_start_date','selfenroll_end_date','uniquecode') {
                         if ($courseinfo{'internal.'.$item} ne '') {
                             $courseshash->{$chome}{$cid}{$item} =
                                 $courseinfo{'internal.'.$item};
@@ -348,6 +378,13 @@ sub parameter_constraints {
                 if ($key =~ /(\Q$item\E)$/) {
                     if (ref($checkparms{$item}) eq 'ARRAY') {
                         my $value = $resourcedata->{$key};
+                        if ($item eq 'examcode') {
+                            if (&Apache::lonnet::validCODE($value)) {
+                                $value = 'valid';
+                            } else {
+                                $value = '';
+                            }
+                        }
                         if (grep(/^\Q$value\E$/,@{$checkparms{$item}})) {
                             my ($major,$minor) = split(/\./,$Apache::lonnet::needsrelease{'parameter:'.$item.':'.$value});
                             ($reqdmajor,$reqdminor) = 
@@ -371,14 +408,46 @@ sub coursetype_constraints {
     return ($reqdmajor,$reqdminor);
 }
 
+sub commblock_constraints {
+    my ($cnum,$cdom,$reqdmajor,$reqdminor) = @_;
+    my %comm_blocks =  &Apache::lonnet::dump('commblock',$cdom,$cnum);
+    my $now = time;
+    if (keys(%comm_blocks) > 0) {
+        foreach my $block (keys(%comm_blocks)) {
+            if ($block =~ /^firstaccess____(.+)$/) {
+                my ($major,$minor) = split(/\./,$Apache::lonnet::needsrelease{'course.commblock.timer'});
+                ($reqdmajor,$reqdminor) = &update_reqd_loncaparev($major,$minor,$reqdmajor,$reqdminor);
+                last;
+            } elsif ($block =~ /^(\d+)____(\d+)$/) {
+                my ($start,$end) = ($1,$2);
+                next if ($end < $now); 
+            }
+            if (ref($comm_blocks{$block}) eq 'HASH') {
+                if (ref($comm_blocks{$block}{'blocks'}) eq 'HASH') {
+                    if (ref($comm_blocks{$block}{'blocks'}{'docs'}) eq 'HASH') {
+                        if (keys(%{$comm_blocks{$block}{'blocks'}{'docs'}}) > 0) {
+                            my ($major,$minor) = split(/\./,$Apache::lonnet::needsrelease{'course.commblock.docs'});
+                            ($reqdmajor,$reqdminor) = &update_reqd_loncaparev($major,$minor,$reqdmajor,$reqdminor);
+                            last;
+                        }
+                    }
+                }
+            }
+        }
+    }
+    return;
+}
+
 sub coursecontent_constraints {
     my ($cnum,$cdom,$reqdmajor,$reqdminor) = @_;
     my $navmap = Apache::lonnavmaps::navmap->new();
     if (defined($navmap)) {
-        my %resourcetracker =  &Apache::lonnet::dump('nohist_resourcetracker',
+        my %anonsubmissions =  &Apache::lonnet::dump('nohist_anonsurveys',
+                                                     $cdom,$cnum);
+        my %randomizetrysubm = &Apache::lonnet::dump('nohist_randomizetry',
                                                      $cdom,$cnum);
         my %allresponses;
-        my $anonsurv_subm;
+        my ($anonsurv_subm,$randbytry_subm);
         foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_problem() },1,0)) {
             my %responses = $res->responseTypes();
             foreach my $key (keys(%responses)) {
@@ -388,9 +457,12 @@ sub coursecontent_constraints {
             my @parts = @{$res->parts()};
             my $symb = $res->symb();
             foreach my $part (@parts) {
-                if (exists($resourcetracker{$symb."\0".$part."\0anonymous"})) {
+                if (exists($anonsubmissions{$symb."\0".$part})) {
                     $anonsurv_subm = 1;
                 }
+                if (exists($randomizetrysubm{$symb."\0".$part})) {
+                    $randbytry_subm = 1;
+                }
             }
         }
         foreach my $key (keys(%allresponses)) {
@@ -401,6 +473,10 @@ sub coursecontent_constraints {
             ($reqdmajor,$reqdminor) = &update_reqd_loncaparev($anonsurvey{major},
                                           $anonsurvey{minor},$reqdmajor,$reqdminor);
         }
+        if ($randbytry_subm) {
+            ($reqdmajor,$reqdminor) = &update_reqd_loncaparev($randomizetry{major},
+                                          $randomizetry{minor},$reqdmajor,$reqdminor);
+        }
     }
     return ($reqdmajor,$reqdminor);
 }
@@ -440,28 +516,21 @@ sub read_paramdata {
     return $resourcedata;
 }
 
-sub build_release_hashes {
-    foreach my $key (keys(%Apache::lonnet::needsrelease)) {
-        my ($item,$name,$value) = split(/:/,$key);
-        if ($item eq 'parameter') {
-            if (ref($checkparms{$name}) eq 'ARRAY') {
-                unless(grep(/^\Q$name\E$/,@{$checkparms{$name}})) {
-                    push(@{$checkparms{$name}},$value);
+sub last_map_update {
+    my ($cnum,$cdom) = @_;
+    my $lastupdate = 0;
+    my $path = &LONCAPA::propath($cdom,$cnum);
+    if (-d "$path/userfiles") {
+        if (opendir(my $dirh, "$path/userfiles")) {
+            my @maps = grep(/^default_?\d*\.(?:sequence|page)$/,readdir($dirh));
+            foreach my $map (@maps) {
+                my $mtime = (stat("$path/userfiles/$map"))[9];
+                if ($mtime > $lastupdate) {
+                    $lastupdate = $mtime;
                 }
-            } else {
-                push(@{$checkparms{$name}},$value);
-            }
-        } elsif ($item eq 'resourcetag') {
-            if ($name eq 'responsetype') {
-                $checkresponsetypes{$value} = $Apache::lonnet::needsrelease{$key}
-            }
-        } elsif ($item eq 'course') {
-            if ($name eq 'crstype') {
-                $checkcrstypes{$value} = $Apache::lonnet::needsrelease{$key};
             }
         }
     }
-    ($anonsurvey{major},$anonsurvey{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:anonsurvey'});
-    return;
+    return $lastupdate;
 }