Annotation of loncom/misc/refresh_courseids_db.pl, revision 1.1
1.1 ! raeburn 1: #!/usr/bin/perl
! 2: # The LearningOnline Network
! 3: #
! 4: # $Id: refresh_courseids_db.pl,v 1.1 2010/03/14 19:00:40 raeburn Exp $
! 5: #
! 6: # Copyright Michigan State University Board of Trustees
! 7: #
! 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
! 9: #
! 10: # LON-CAPA is free software; you can redistribute it and/or modify
! 11: # it under the terms of the GNU General Public License as published by
! 12: # the Free Software Foundation; either version 2 of the License, or
! 13: # (at your option) any later version.
! 14: #
! 15: # LON-CAPA is distributed in the hope that it will be useful,
! 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
! 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! 18: # GNU General Public License for more details.
! 19: #
! 20: # You should have received a copy of the GNU General Public License
! 21: # along with LON-CAPA; if not, write to the Free Software
! 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
! 23: #
! 24: # /home/httpd/html/adm/gpl.txt
! 25: #
! 26: # http://www.lon-capa.org/
! 27: #
! 28: #################################################
! 29:
! 30: =pod
! 31:
! 32: =head1 NAME
! 33:
! 34: refresh_courseids_db.pl
! 35:
! 36: =head1 SYNOPSIS
! 37:
! 38: refresh_courseids_db.pl is run on a library server and gathers
! 39: course information for each course for which the current server is
! 40: the home server. Entries (excluding last access time) for each course
! 41: in nohist_courseids.db are updated.
! 42:
! 43: =head1 DESCRIPTION
! 44:
! 45: refresh_courseids_db.pl will update course information, apart
! 46: from last access time, in nohist_courseids.db, using course data
! 47: from each course's environment.db file.
! 48:
! 49: =cut
! 50:
! 51: #################################################
! 52:
! 53: use strict;
! 54: use lib '/home/httpd/lib/perl/';
! 55: use Apache::lonnet;
! 56: use Apache::loncommon;
! 57: use LONCAPA qw(:DEFAULT :match);
! 58:
! 59: exit if ($Apache::lonnet::perlvar{'lonRole'} ne 'library');
! 60:
! 61: # Make sure this process is running from user=www
! 62: my $wwwid=getpwnam('www');
! 63: if ($wwwid!=$<) {
! 64: my $emailto="$Apache::lonnet::perlvar{'lonAdmEMail'},$Apache::lonnet::perlvar{'lonSysEMail'}";
! 65: my $subj="LON: $Apache::lonnet::perlvar{'lonHostID'} User ID mismatch";
! 66: system("echo 'User ID mismatch. refresh_courseids_db.pl must be run as user www.' |\
! 67: mail -s '$subj' $emailto > /dev/null");
! 68: exit 1;
! 69: }
! 70: #
! 71: # Let people know we are running
! 72: open(my $fh,'>>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/logs/refreshcourseids_db.log');
! 73: print $fh "==== refresh_courseids_db.pl Run ".localtime()."====\n";
! 74:
! 75: my @domains = sort(&Apache::lonnet::current_machine_domains());
! 76: foreach my $dom (@domains) {
! 77: my %courseshash;
! 78: my @ids=&Apache::lonnet::current_machine_ids();
! 79: my %currhash = &Apache::lonnet::courseiddump($dom,'.',1,'.','.','.',1,\@ids,'.');
! 80: my $dir = $Apache::lonnet::perlvar{lonUsersDir}.'/'.$dom;
! 81: &recurse_courses($dom,$dir,0,\%courseshash,\%currhash,$fh);
! 82: foreach my $lonhost (keys(%courseshash)) {
! 83: if (ref($courseshash{$lonhost}) eq 'HASH') {
! 84: if (&Apache::lonnet::courseidput($dom,$courseshash{$lonhost},$lonhost,'notime') eq 'ok') {
! 85: print $fh "nohist_courseids.db updated successfully for domain $dom on lonHostID $lonhost\n";
! 86: } else {
! 87: print $fh "Error occurred when updating nohist_courseids.db for domain $dom on lonHostID $lonhost\n";
! 88: }
! 89: }
! 90: }
! 91: }
! 92:
! 93: ## Finished!
! 94: print $fh "==== refresh_courseids.db completed ".localtime()." ====\n";
! 95: close($fh);
! 96:
! 97: sub recurse_courses {
! 98: my ($cdom,$dir,$depth,$courseshash,$currhash,$fh) = @_;
! 99: next unless (ref($currhash) eq 'HASH');
! 100: if (-d $dir) {
! 101: opendir(DIR,$dir);
! 102: my @contents = grep(!/^\./,readdir(DIR));
! 103: closedir(DIR);
! 104: $depth ++;
! 105: foreach my $item (@contents) {
! 106: if ($depth < 4) {
! 107: &recurse_courses($cdom,$dir.'/'.$item,$depth,$courseshash,$currhash,$fh);
! 108: } elsif ($item =~ /^$match_courseid$/) {
! 109: my $cnum = $item;
! 110: my $cid = $cdom.'_'.$cnum;
! 111: unless (ref($currhash->{$cid}) eq 'HASH') {
! 112: my $is_course = 0;
! 113: if (-e "$dir/$cnum/passwd") {
! 114: if (open(my $pwfh,"<$dir/$cnum/passwd")) {
! 115: while (<$pwfh>) {
! 116: if (/^none:/) {
! 117: $is_course = 1;
! 118: last;
! 119: }
! 120: }
! 121: }
! 122: }
! 123: next unless ($is_course);
! 124: my @stats = stat("$dir/$cnum/passwd");
! 125: print $fh "Course missing from nohist_courseids.db: $cid, created:".localtime($stats[9])."\n";
! 126: }
! 127: my %courseinfo=&Apache::lonnet::coursedescription($cid,{'one_time' => '1'});
! 128: my %changes = ();
! 129: my $crstype = $courseinfo{'type'};
! 130: if ($crstype eq '') {
! 131: if ($cnum =~ /^$match_community$/) {
! 132: $crstype = 'Community';
! 133: } else {
! 134: $crstype = 'Course';
! 135: }
! 136: $changes{'type'} = $crstype;
! 137: }
! 138: my $chome = &Apache::lonnet::homeserver($cnum,$cdom);
! 139: my $owner = $courseinfo{'internal.courseowner'};
! 140: if ($owner eq '') {
! 141: my %roleshash = &Apache::lonnet::get_my_roles($cnum,$cdom,undef,undef,['cc'],undef,undef,1);
! 142: if (keys(%roleshash) == 1) {
! 143: foreach my $key (keys(%roleshash)) {
! 144: if ($key =~ /^($match_username\:$match_domain)\:cc$/) {
! 145: $owner = $1;
! 146: $changes{'internal.courseowner'} = $owner;
! 147: }
! 148: }
! 149: }
! 150: } elsif ($owner !~ /:/) {
! 151: if ($owner =~ /^$match_username$/) {
! 152: my $ownerhome=&Apache::lonnet::homeserver($owner,$cdom);
! 153: unless (($ownerhome eq '') || ($ownerhome eq 'no_host')) {
! 154: $owner .= ':'.$cdom;
! 155: $changes{'internal.courseowner'} = $owner;
! 156: }
! 157: }
! 158: }
! 159: my $created = $courseinfo{'internal.created'};
! 160: my $creator = $courseinfo{'internal.creator'};
! 161: my $creationcontext = $courseinfo{'internal.creationcontext'};
! 162: my $inst_code = $courseinfo{'internal.coursecode'};
! 163: $inst_code = '' if (!defined($inst_code));
! 164: $owner = '' if (!defined($owner));
! 165: if ($created eq '') {
! 166: my %currdump = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.');
! 167: if (ref($currdump{$cid}) eq 'HASH') {
! 168: $created = $currdump{$cid}{'created'};
! 169: $creator = $currdump{$cid}{'creator'};
! 170: $creationcontext = $currdump{$cid}{'context'};
! 171: unless ($created eq '') {
! 172: $changes{'internal.created'} = $created;
! 173: }
! 174: if ($creator =~ /^($LONCAPA::match_username):($LONCAPA::match_domain)$/) {
! 175: $changes{'internal.creator'} = $creator;
! 176: }
! 177: unless ($creationcontext eq '') {
! 178: $changes{'internal.creationcontext'} = $creationcontext;
! 179: }
! 180: }
! 181: if ($created eq '') {
! 182: if (-e "$dir/$cnum/passwd") {
! 183: my @stats = stat("$dir/$cnum/passwd");
! 184: $created = $stats[9];
! 185: }
! 186: my %lastaccess =
! 187: &Apache::lonnet::courselastaccess($cdom,$cnum);
! 188: if ($lastaccess{$cid}) {
! 189: if ($created eq '') {
! 190: $created = $lastaccess{$cid};
! 191: } elsif ($lastaccess{$cid} < $created) {
! 192: $created = $lastaccess{$cid};
! 193: }
! 194: }
! 195: unless ($created eq '') {
! 196: $changes{'internal.created'} = $created;
! 197: }
! 198: }
! 199: }
! 200: unless ($chome eq 'no_host') {
! 201: $courseshash->{$chome}{$cid} = {
! 202: description => $courseinfo{'description'},
! 203: inst_code => $inst_code,
! 204: owner => $owner,
! 205: type => $crstype,
! 206: };
! 207: if ($courseinfo{'internal.co-owners'} ne '') {
! 208: $courseshash->{$chome}{$cid}{'co-owners'} = $courseinfo{'internal.co-owners'};
! 209: }
! 210: if ($creator ne '') {
! 211: $courseshash->{$chome}{$cid}{'creator'} = $creator;
! 212: }
! 213: if ($created ne '') {
! 214: $courseshash->{$chome}{$cid}{'created'} = $created;
! 215: }
! 216: if ($creationcontext ne '') {
! 217: $courseshash->{$chome}{$cid}{'context'} = $creationcontext;
! 218: }
! 219: if (keys(%changes)) {
! 220: if (&Apache::lonnet::put('environment',\%changes,$cdom,$cnum) eq 'ok') {
! 221: print $fh "Course's environment.db for ".$cdom."_".$cnum." successfully updated with following entries: ";
! 222: foreach my $key (sort(keys(%changes))) {
! 223: print $fh "$key => $changes{$key} ";
! 224: }
! 225: print $fh "\n";
! 226: } else {
! 227: print $fh "Error occurred when updating course's environment.db for ".$cdom."_".$cnum."\n";
! 228: }
! 229: }
! 230: }
! 231: }
! 232: }
! 233: }
! 234: return;
! 235: }
! 236:
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