--- loncom/interface/Attic/lonspreadsheet.pm 2001/03/05 21:26:29 1.39
+++ loncom/interface/Attic/lonspreadsheet.pm 2001/04/09 17:59:04 1.54
@@ -4,7 +4,8 @@
# 11/11,11/15,11/27,12/04,12/05,12/06,12/07,
# 12/08,12/09,12/11,12/12,12/15,12/16,12/18,12/19,12/30,
# 01/01/01,02/01,03/01,19/01,20/01,22/01,
-# 03/05 Gerd Kortemeyer
+# 03/05,03/08,03/10,03/12,03/13,03/15,03/17,
+# 03/19,03/20,03/21,03/27,04/05,04/09 Gerd Kortemeyer
package Apache::lonspreadsheet;
@@ -18,6 +19,14 @@ use GDBM_File;
use HTML::TokeParser;
#
+# Caches for previously calculated spreadsheets
+#
+
+my %oldsheets;
+my %loadedcaches;
+my %expiredates;
+
+#
# Cache for stores of an individual user
#
@@ -48,25 +57,6 @@ my %parmhash;
my $includedir;
my $tmpdir;
-
-sub mdeb {
- my $msg=shift;
- my $mem='';
- {
- my $mfh=Apache::File->new('/proc/'.$$.'/status');
- my $line;
- while ($line=<$mfh>) {
- my ($name,$value)=split(/\:/,$line);
- if ($name eq 'VmSize') { $mem=$value; }
- }
- $mfh->close();
- }
- print $msg.$mem."
\n";
-}
-
-
-
-
# =============================================================================
# ===================================== Implements an instance of a spreadsheet
@@ -336,7 +326,7 @@ sub sett {
$t{$lb}=~s/\#/$trow/g;
$t{$lb}=~s/\.\.+/\,/g;
$t{$lb}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$v\{\'$2\'\}/g;
- $t{$lb}=~s/(^|[^\"\'])\[([\w\.]+)\]/$1\$c\{\'$2\'\}/g;
+ $t{$lb}=~s/(^|[^\"\'])\[(\w+)\]/$1\$c\{\'$2\'\}/g;
}
}
} keys %f;
@@ -345,7 +335,8 @@ sub sett {
} keys %f;
map {
if (($f{$_}) && ($_!~/template\_/)) {
- if ($_=~/^$pattern/) {
+ my $matches=($_=~/^$pattern(\d+)/);
+ if (($matches) && ($1)) {
unless ($f{$_}=~/^\!/) {
$t{$_}=$c{$_};
}
@@ -1037,10 +1028,13 @@ sub updateclasssheet {
my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
':environment:firstname&middlename&lastname&generation',
&Apache::lonnet::homeserver($sname,$sdom));
- $rowlabel=$ssec.' '.$reply{$sname}.'
';
+ $rowlabel=''.
+ $ssec.' '.$reply{$sname}.'
';
map {
$rowlabel.=&Apache::lonnet::unescape($_).' ';
} split(/\&/,$reply);
+ $rowlabel.='';
}
$currentlist{&Apache::lonnet::unescape($name)}=$rowlabel;
}
@@ -1099,9 +1093,17 @@ sub updatestudentassesssheet {
&GDBM_READER,0640)) {
# --------------------------------------------------------- Get all assessments
- my %allkeys=();
+ my %allkeys=('timestamp' =>
+ 'Timestamp of Last Transaction
timestamp');
my %allassess=();
+ my $adduserstr='';
+ if ((&getuname($safeeval) ne $ENV{'user.name'}) ||
+ (&getudom($safeeval) ne $ENV{'user.domain'})) {
+ $adduserstr='&uname='.&getuname($safeeval).
+ '&udom='.&getudom($safeeval);
+ }
+
map {
if ($_=~/^src\_(\d+)\.(\d+)$/) {
my $mapid=$1;
@@ -1114,7 +1116,8 @@ sub updatestudentassesssheet {
'___'.$resid.'___'.
&Apache::lonnet::declutter($srcf);
$allassess{$symb}=
- ''.$bighash{'title_'.$id}.'';
+ ''.
+ $bighash{'title_'.$id}.'';
if ($stype eq 'assesscalc') {
map {
if (($_=~/^stores\_(.*)/) || ($_=~/^parameter\_(.*)/)) {
@@ -1122,9 +1125,10 @@ sub updatestudentassesssheet {
my $display=
&Apache::lonnet::metadata($srcf,$key.'.display');
unless ($display) {
- $display=
+ $display.=
&Apache::lonnet::metadata($srcf,$key.'.name');
}
+ $display.='
'.$key;
$allkeys{$key}=$display;
}
} split(/\,/,&Apache::lonnet::metadata($srcf,'keys'));
@@ -1218,16 +1222,21 @@ sub loadstudent {
map {
if ($_=~/^A(\d+)/) {
my $row=$1;
- unless ($f{$_}=~/^\!/) {
+ unless (($f{$_}=~/^\!/) || ($row==0)) {
@assessdata=&exportsheet(&getuname($safeeval),
&getudom($safeeval),
'assesscalc',$f{$_});
my $index=0;
map {
if ($assessdata[$index]) {
- $c{$_.$row}=$assessdata[$index];
- unless ($_ eq 'A') {
- $f{$_.$row}='import';
+ my $col=$_;
+ if ($assessdata[$index]=~/\D/) {
+ $c{$col.$row}="'".$assessdata[$index]."'";
+ } else {
+ $c{$col.$row}=$assessdata[$index];
+ }
+ unless ($col eq 'A') {
+ $f{$col.$row}='import';
}
}
$index++;
@@ -1260,18 +1269,18 @@ sub loadcourse {
ENDPOP
$r->rflush();
map {
if ($_=~/^A(\d+)/) {
my $row=$1;
- unless ($f{$_}=~/^\!/) {
+ unless (($f{$_}=~/^\!/) || ($row==0)) {
my @studentdata=&exportsheet(split(/\:/,$f{$_}),
'studentcalc');
undef %userrdatas;
@@ -1284,9 +1293,14 @@ ENDPOP
my $index=0;
map {
if ($studentdata[$index]) {
- $c{$_.$row}=$studentdata[$index];
- unless ($_ eq 'A') {
- $f{$_.$row}='import';
+ my $col=$_;
+ if ($studentdata[$index]=~/\D/) {
+ $c{$col.$row}="'".$studentdata[$index]."'";
+ } else {
+ $c{$col.$row}=$studentdata[$index];
+ }
+ unless ($col eq 'A') {
+ $f{$col.$row}='import';
}
}
$index++;
@@ -1297,7 +1311,7 @@ ENDPOP
} keys %f;
&setformulas($safeeval,%f);
&setconstants($safeeval,%c);
- $r->print('');
+ $r->print('');
$r->rflush();
}
@@ -1408,13 +1422,16 @@ sub loadassessment {
if ($_=~/^A/) {
unless ($f{$_}=~/^\!/) {
if ($f{$_}=~/^parameter/) {
- $c{$_}=&parmval($f{$_},$safeeval);
+ my $val=&parmval($f{$_},$safeeval);
+ $c{$_}=$val;
+ $c{$f{$_}}=$val;
} else {
my $key=$f{$_};
+ my $ckey=$key;
$key=~s/^stores\_/resource\./;
$key=~s/\_/\./;
$c{$_}=$returnhash{$key};
- $c{$key}=$returnhash{$key};
+ $c{$ckey}=$returnhash{$key};
}
}
}
@@ -1480,22 +1497,230 @@ sub loadrows {
}
}
+# ======================================================= Forced recalculation?
+
+sub checkthis {
+ my ($keyname,$time)=@_;
+ return ($time<$expiredates{$keyname});
+}
+sub forcedrecalc {
+ my ($uname,$udom,$stype,$usymb)=@_;
+ my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
+ my $time=$oldsheets{$key.'.time'};
+ if ($ENV{'form.forcerecalc'}) { return 1; }
+ unless ($time) { return 1; }
+ if ($stype eq 'assesscalc') {
+ my $map=(split(/\_\_\_/,$usymb))[0];
+ if (&checkthis('::assesscalc:',$time) ||
+ &checkthis('::assesscalc:'.$map,$time) ||
+ &checkthis('::assesscalc:'.$usymb,$time) ||
+ &checkthis($uname.':'.$udom.':assesscalc:',$time) ||
+ &checkthis($uname.':'.$udom.':assesscalc:'.$map,$time) ||
+ &checkthis($uname.':'.$udom.':assesscalc:'.$usymb,$time)) {
+ return 1;
+ }
+ } else {
+ if (&checkthis('::studentcalc:',$time) ||
+ &checkthis($uname.':'.$udom.':studentcalc:',$time)) {
+ return 1;
+ }
+ }
+ return 0;
+}
+
# ============================================================== Export handler
#
# Non-interactive call from with program
#
sub exportsheet {
+ my ($uname,$udom,$stype,$usymb,$fn)=@_;
+ my @exportarr=();
+#
+# Check if cached
+#
+
+ my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
+ my $found='';
+
+ if ($oldsheets{$key}) {
+ map {
+ my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
+ if ($name eq $fn) {
+ $found=$value;
+ }
+ } split(/\_\_\_\&\_\_\_/,$oldsheets{$key});
+ }
+
+ unless ($found) {
+ &cachedssheets($uname,$udom,&Apache::lonnet::homeserver($uname,$udom));
+ if ($oldsheets{$key}) {
+ map {
+ my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
+ if ($name eq $fn) {
+ $found=$value;
+ }
+ } split(/\_\_\_\&\_\_\_/,$oldsheets{$key});
+ }
+ }
+#
+# Check if still valid
+#
+ if ($found) {
+ if (&forcedrecalc($uname,$udom,$stype,$usymb)) {
+ $found='';
+ }
+ }
- my ($uname,$udom,$stype,$usymb,$fn)=@_;
+ if ($found) {
+#
+# Return what was cached
+#
+ @exportarr=split(/\_\_\_\;\_\_\_/,$found);
+
+ } else {
+#
+# Not cached
+#
+
my $thissheet=&makenewsheet($uname,$udom,$stype,$usymb);
&readsheet($thissheet,$fn);
&updatesheet($thissheet);
&loadrows($thissheet);
- &calcsheet($thissheet);
- return &exportdata($thissheet);
+ &calcsheet($thissheet);
+ @exportarr=&exportdata($thissheet);
+#
+# Store now
+#
+ my $cid=$ENV{'request.course.id'};
+ my $current='';
+ if ($stype eq 'studentcalc') {
+ $current=&Apache::lonnet::reply('get:'.
+ $ENV{'course.'.$cid.'.domain'}.':'.
+ $ENV{'course.'.$cid.'.num'}.
+ ':nohist_calculatedsheets:'.
+ &Apache::lonnet::escape($key),
+ $ENV{'course.'.$cid.'.home'});
+ } else {
+ $current=&Apache::lonnet::reply('get:'.
+ &getudom($thissheet).':'.
+ &getuname($thissheet).
+ ':nohist_calculatedsheets_'.
+ $ENV{'request.course.id'}.':'.
+ &Apache::lonnet::escape($key),
+ &getuhome($thissheet));
+
+ }
+ my %currentlystored=();
+ unless ($current=~/^error\:/) {
+ map {
+ my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
+ $currentlystored{$name}=$value;
+ } split(/\_\_\_\&\_\_\_/,&Apache::lonnet::unescape($current));
+ }
+ $currentlystored{$fn}=join('___;___',@exportarr);
+
+ my $newstore='';
+ map {
+ if ($newstore) { $newstore.='___&___'; }
+ $newstore.=$_.'___=___'.$currentlystored{$_};
+ } keys %currentlystored;
+ my $now=time;
+ if ($stype eq 'studentcalc') {
+ &Apache::lonnet::reply('put:'.
+ $ENV{'course.'.$cid.'.domain'}.':'.
+ $ENV{'course.'.$cid.'.num'}.
+ ':nohist_calculatedsheets:'.
+ &Apache::lonnet::escape($key).'='.
+ &Apache::lonnet::escape($newstore).'&'.
+ &Apache::lonnet::escape($key).'.time='.$now,
+ $ENV{'course.'.$cid.'.home'});
+ } else {
+ &Apache::lonnet::reply('put:'.
+ &getudom($thissheet).':'.
+ &getuname($thissheet).
+ ':nohist_calculatedsheets_'.
+ $ENV{'request.course.id'}.':'.
+ &Apache::lonnet::escape($key).'='.
+ &Apache::lonnet::escape($newstore).'&'.
+ &Apache::lonnet::escape($key).'.time='.$now,
+ &getuhome($thissheet));
+ }
+ }
+ return @exportarr;
+}
+# ============================================================ Expiration Dates
+#
+# Load previously cached student spreadsheets for this course
+#
+
+sub expirationdates {
+ undef %expiredates;
+ my $cid=$ENV{'request.course.id'};
+ my $reply=&Apache::lonnet::reply('dump:'.
+ $ENV{'course.'.$cid.'.domain'}.':'.
+ $ENV{'course.'.$cid.'.num'}.
+ ':nohist_expirationdates',
+ $ENV{'course.'.$cid.'.home'});
+ unless ($reply=~/^error\:/) {
+ map {
+ my ($name,$value)=split(/\=/,$_);
+ $expiredates{&Apache::lonnet::unescape($name)}
+ =&Apache::lonnet::unescape($value);
+ } split(/\&/,$reply);
+ }
+}
+
+# ===================================================== Calculated sheets cache
+#
+# Load previously cached student spreadsheets for this course
+#
+
+sub cachedcsheets {
+ my $cid=$ENV{'request.course.id'};
+ my $reply=&Apache::lonnet::reply('dump:'.
+ $ENV{'course.'.$cid.'.domain'}.':'.
+ $ENV{'course.'.$cid.'.num'}.
+ ':nohist_calculatedsheets',
+ $ENV{'course.'.$cid.'.home'});
+ unless ($reply=~/^error\:/) {
+ map {
+ my ($name,$value)=split(/\=/,$_);
+ $oldsheets{&Apache::lonnet::unescape($name)}
+ =&Apache::lonnet::unescape($value);
+ } split(/\&/,$reply);
+ }
}
+# ===================================================== Calculated sheets cache
+#
+# Load previously cached assessment spreadsheets for this student
+#
+
+sub cachedssheets {
+ my ($sname,$sdom,$shome)=@_;
+ unless (($loadedcaches{$sname.'_'.$sdom}) || ($shome eq 'no_host')) {
+ my $cid=$ENV{'request.course.id'};
+ my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.
+ ':nohist_calculatedsheets_'.
+ $ENV{'request.course.id'},
+ $shome);
+ unless ($reply=~/^error\:/) {
+ map {
+ my ($name,$value)=split(/\=/,$_);
+ $oldsheets{&Apache::lonnet::unescape($name)}
+ =&Apache::lonnet::unescape($value);
+ } split(/\&/,$reply);
+ }
+ $loadedcaches{$sname.'_'.$sdom}=1;
+ }
+}
+
+# ===================================================== Calculated sheets cache
+#
+# Load previously cached assessment spreadsheets for this student
+#
+
# ================================================================ Main handler
#
# Interactive call to screen
@@ -1586,6 +1811,18 @@ ENDSCRIPT
$r->rflush();
+# ---------------------------------------------------------------- Full recalc?
+
+
+ if ($ENV{'form.forcerecalc'}) {
+ $r->print('Completely Recalculating Sheet ...
');
+ undef %spreadsheets;
+ undef %courserdatas;
+ undef %userrdatas;
+ undef %defaultsheets;
+ undef %updatedata;
+ }
+
# ---------------------------------------- Read new sheet or modified worksheet
$r->uri=~/\/(\w+)$/;
@@ -1628,6 +1865,17 @@ ENDSCRIPT
$r->print(''.
$ENV{'course.'.$ENV{'request.course.id'}.'.description'}.'
');
+# ---------------------------------------------------- See if user can see this
+
+ if ((&gettype($asheet) eq 'classcalc') ||
+ (&getuname($asheet) ne $ENV{'user.name'}) ||
+ (&getudom($asheet) ne $ENV{'user.domain'})) {
+ unless (&Apache::lonnet::allowed('vgr',&getcid($asheet))) {
+ $r->print(
+ 'Access Permission Denied