--- loncom/metadata_database/searchcat.pl	2003/06/25 14:42:00	1.35
+++ loncom/metadata_database/searchcat.pl	2003/08/08 12:38:00	1.37
@@ -2,7 +2,7 @@
 # The LearningOnline Network
 # searchcat.pl "Search Catalog" batch script
 #
-# $Id: searchcat.pl,v 1.35 2003/06/25 14:42:00 www Exp $
+# $Id: searchcat.pl,v 1.37 2003/08/08 12:38:00 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -76,6 +76,13 @@ use POSIX qw(strftime mktime);
 
 my @metalist;
 
+$simplestatus='';
+
+sub writesimple {
+    open(SMP,'>/home/httpd/html/lon-status/mysql.txt');
+    print SMP $simplestatus."\n";
+    close(SMP);
+}
 
 # ----------------------------------------------------- Un-Escape Special Chars
 
@@ -207,6 +214,7 @@ if ($wwwid!=$<) {
 
 open(LOG,'>'.$perlvar{'lonDaemons'}.'/logs/searchcat.log');
 print LOG '==== Searchcat Run '.localtime()."====\n\n";
+$simplestatus='time='.time.'&';
 my $dbh;
 # ------------------------------------- Make sure that database can be accessed
 {
@@ -214,8 +222,11 @@ my $dbh;
 	    $dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0})
 	    ) { 
 	print LOG "Cannot connect to database!\n";
+	$simplestatus.='mysql=defunct';
+	&writesimple();
 	exit;
     }
+
     my $make_metadata_table = "CREATE TABLE IF NOT EXISTS metadata (".
         "title TEXT, author TEXT, subject TEXT, url TEXT, keywords TEXT, ".
         "version TEXT, notes TEXT, abstract TEXT, mime TEXT, language TEXT, ".
@@ -305,13 +316,33 @@ foreach my $user (@homeusers) {
     # ... not yet implemented
         
     # ------------------------------------------- Copy over the new db-files
-    system('mv '.$prodir.'/nohist_new_resevaldata.db '.
-           $prodir.'/nohist_resevaldata.db');
+    #
+    # Check the size of nohist_new_resevaldata.db compared to 
+    # nohist_resevaldata.db
+    my @stat_result = stat($prodir.'/nohist_new_resevaldata.db');
+    my $new_size = $stat_result[7];
+    @stat_result = stat($prodir.'/nohist_resevaldata.db');
+    my $old_size = $stat_result[7];
+    if ($new_size/$old_size > 0.15 ) {
+        system('mv '.$prodir.'/nohist_new_resevaldata.db '.
+               $prodir.'/nohist_resevaldata.db');
+    } else {
+        print LOG "Size of '$user' old nohist_reseval: $old_size ".
+            "Size of new: $new_size.  Not overwriting.\n";
+        my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
+        my $subj="LON: $perlvar{'lonHostID'} searchcat.pl $user reseval ".
+            "modification error.";
+        system("echo ".
+               "'See /home/httpd/perl/logs/searchcat.txt for information.' ".
+               "| mailto $emailto -s '$subj' > /dev/null");
+    }
+        
 }
 # --------------------------------------------------- Close database connection
 $dbh->disconnect;
 print LOG "\n==== Searchcat completed ".localtime()." ====\n";
 close(LOG);
+&writesimple();
 exit 0;