--- loncom/lonsql	2002/06/17 20:25:51	1.45
+++ loncom/lonsql	2002/07/05 15:07:59	1.50
@@ -3,7 +3,7 @@
 # The LearningOnline Network
 # lonsql - LON TCP-MySQL-Server Daemon for handling database requests.
 #
-# $Id: lonsql,v 1.45 2002/06/17 20:25:51 www Exp $
+# $Id: lonsql,v 1.50 2002/07/05 15:07:59 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -190,32 +190,93 @@ sub logthis {
     print $fh "$local ($$): $message\n";
 }
 
-
-
-# -------------------------------------------- Return path to profile directory
-
-sub propath {
-    my ($udom,$uname)=@_;
-    $udom=~s/\W//g;
-    $uname=~s/\W//g;
-    my $subdir=$uname.'__';
-    $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
-    my $proname="$perlvar{'lonUsersDir'}/$udom/$subdir/$uname";
-    return $proname;
-} 
-
 # ------------------------------------------------------------------ Course log
 
 sub courselog {
     my ($path,$command)=@_;
-    return 'not_yet_implemented';
+    my %filters=();
+    foreach (split(/\:/,&unescape($command))) {
+	my ($name,$value)=split(/\=/,$_);
+        $filters{$name}=$value;
+    }
+    my @results=();
+    open(IN,$path.'/activity.log') or return ('file_error');
+    while ($line=<IN>) {
+        chomp($line);
+        my ($timestamp,$host,$log)=split(/\:/,$line);
+#
+# $log has the actual log entries; currently still escaped, and
+# %26(timestamp)%3a(url)%3a(user)%3a(domain)
+# then additionally
+# %3aPOST%3a(name)%3d(value)%3a(name)%3d(value)
+# or
+# %3aCSTORE%3a(name)%3d(value)%26(name)%3d(value)
+#
+# get delimiter between timestamped entries to be &&&
+        $log=~s/\%26(\d+)\%3a/\&\&\&$1\%3a/g;
+# now go over all log entries 
+        foreach (split(/\&\&\&/,&unescape($log))) {
+	    my ($time,$res,$uname,$udom,$action,@values)=split(/\:/,$_);
+            my $values=&unescape(join(':',@values));
+            $values=~s/\&/\:/g;
+            $res=&unescape($res);
+            my $include=1;
+            if (($filters{'username'}) && ($uname ne $filters{'username'})) 
+                                                               { $include=0; }
+            if (($filters{'domain'}) && ($udom ne $filters{'domain'})) 
+                                                               { $include=0; }
+            if (($filters{'url'}) && ($res!~/$filters{'url'}/)) 
+                                                               { $include=0; }
+            if (($filters{'start'}) && ($time<$filters{'start'})) 
+                                                               { $include=0; }
+            if (($filters{'end'}) && ($time>$filters{'end'})) 
+                                                               { $include=0; }
+            if (($filters{'action'} eq 'view') && ($action)) 
+                                                               { $include=0; }
+            if (($filters{'action'} eq 'submit') && ($action ne 'POST')) 
+                                                               { $include=0; }
+            if (($filters{'action'} eq 'grade') && ($action ne 'CSTORE')) 
+                                                               { $include=0; }
+            if ($include) {
+	       push(@results,($time<1000000000?'0':'').$time.':'.$res.':'.
+                                            $uname.':'.$udom.':'.
+                                            $action.':'.$values);
+            }
+       }
+    }
+    close IN;
+    return join('&',sort(@results));
 }
 
 # -------------------------------------------------------------------- User log
 
 sub userlog {
     my ($path,$command)=@_;
-    return 'not_yet_implemented';
+    my %filters=();
+    foreach (split(/\:/,&unescape($command))) {
+	my ($name,$value)=split(/\=/,$_);
+        $filters{$name}=$value;
+    }
+    my @results=();
+    open(IN,$path.'/activity.log') or return ('file_error');
+    while ($line=<IN>) {
+        chomp($line);
+        my ($timestamp,$host,$log)=split(/\:/,$line);
+        $log=&unescape($log);
+        my $include=1;
+        if (($filters{'start'}) && ($timestamp<$filters{'start'})) 
+                                                             { $include=0; }
+        if (($filters{'end'}) && ($timestamp>$filters{'end'})) 
+                                                             { $include=0; }
+        if (($filters{'action'} eq 'log') && ($log!~/^Log/)) { $include=0; }
+        if (($filters{'action'} eq 'check') && ($log!~/^Check/)) 
+                                                             { $include=0; }
+        if ($include) {
+	   push(@results,$timestamp.':'.$log);
+        }
+    }
+    close IN;
+    return join('&',sort(@results));
 }
 
 
@@ -317,7 +378,7 @@ sub make_new_child {
 	    $queryid .= $run;
 	    print $client "$queryid\n";
 	    
-	    &logthis("QUERY: $query");
+	    &logthis("QUERY: $query - $arg1 - $arg2 - $arg3");
 	    sleep 1;
 
             my $result='';
@@ -430,7 +491,12 @@ sub make_new_child {
 		$result.=$customresult;
 	    }
 # ------------------------------------------------------------ end of sql query
-	  }
+	   }
+
+            # result does not need to be escaped because it has already been
+            # escaped.
+            #$result=&escape($result);
+
 	    # reply with result, append \n unless already there
 
 	    $result.="\n" unless ($result=~/\n$/);