Annotation of loncom/interface/spreadsheet/assesscalc.pm, revision 1.26
1.1 matthew 1: #
1.26 ! www 2: # $Id: assesscalc.pm,v 1.25 2003/10/02 17:07:41 matthew Exp $
1.1 matthew 3: #
4: # Copyright Michigan State University Board of Trustees
5: #
6: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
7: #
8: # LON-CAPA is free software; you can redistribute it and/or modify
9: # it under the terms of the GNU General Public License as published by
10: # the Free Software Foundation; either version 2 of the License, or
11: # (at your option) any later version.
12: #
13: # LON-CAPA is distributed in the hope that it will be useful,
14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16: # GNU General Public License for more details.
17: #
18: # You should have received a copy of the GNU General Public License
19: # along with LON-CAPA; if not, write to the Free Software
20: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21: #
22: # /home/httpd/html/adm/gpl.txt
23: #
24: # http://www.lon-capa.org/
25: #
26: # The LearningOnline Network with CAPA
27: # Spreadsheet/Grades Display Handler
28: #
29: # POD required stuff:
30:
31: =head1 NAME
32:
33: assesscalc
34:
35: =head1 SYNOPSIS
36:
37: =head1 DESCRIPTION
38:
39: =cut
40:
41: ###################################################
42: ### AssessSheet ###
43: ###################################################
44: package Apache::assesscalc;
45:
46: use strict;
1.18 matthew 47: use warnings FATAL=>'all';
48: no warnings 'uninitialized';
1.1 matthew 49: use Apache::Constants qw(:common :http);
50: use Apache::lonnet;
1.2 matthew 51: use Apache::loncommon;
1.1 matthew 52: use Apache::Spreadsheet;
1.25 matthew 53: use Apache::loncoursedata();
1.1 matthew 54: use HTML::Entities();
55: use Spreadsheet::WriteExcel;
56: use GDBM_File;
57: use Time::HiRes;
1.26 ! www 58: use Apache::lonlocal;
1.1 matthew 59:
60: @Apache::assesscalc::ISA = ('Apache::Spreadsheet');
61:
62: ########################################################
63: ########################################################
64:
65: =pod
66:
67: =head2 Package Variables
68:
69: =over 4
70:
71: =item %Exportrows
72:
73: =item $current_name
74:
75: =item $current_domain
76:
77: =item $current_course
78:
79: =item %parmhash
80:
81: =item %nice_parameter_name
82:
83: =item %useropt
84:
85: =item %courseopt
86:
87: =back
88:
89: =cut
90:
91: ########################################################
92: ########################################################
93:
94: my %Exportrows;
1.22 matthew 95: my %newExportrows;
1.1 matthew 96:
97: my $current_name;
98: my $current_domain;
99: my $current_course;
100:
101: my %parmhash;
102: my %nice_parameter_name;
103:
104: my %useropt;
1.22 matthew 105: my %userdata;
1.1 matthew 106: my %courseopt;
107:
108: ########################################################
109: ########################################################
110:
111: =pod
112:
113: =head2 Package Subroutines
114:
115: =item &clear_package()
116:
1.22 matthew 117: Reset all package variables and clean up caches.
1.1 matthew 118:
119: =cut
120:
121: ########################################################
122: ########################################################
123: sub clear_package {
1.22 matthew 124: if (defined($current_name) &&
125: defined($current_domain) &&
126: defined($current_course) &&
127: $current_course eq $ENV{'request.course.id'} &&
128: %newExportrows) {
129: &save_cached_export_rows($current_name,$current_domain);
130: }
1.1 matthew 131: undef(%Exportrows);
1.22 matthew 132: undef(%newExportrows);
1.1 matthew 133: undef($current_name);
134: undef($current_domain);
135: undef($current_course);
136: undef(%useropt);
1.22 matthew 137: undef(%userdata);
1.1 matthew 138: undef(%courseopt);
139: }
140:
1.22 matthew 141: sub save_cached_export_rows {
142: my ($sname,$sdomain) = @_;
143: my $start = Time::HiRes::time;
144: my $result = &Apache::lonnet::put
145: ('nohist_calculatedsheets_'.$ENV{'request.course.id'},
146: $newExportrows{$sname.':'.$sdomain},
147: $sdomain,$sname);
148: delete($newExportrows{$sname.':'.$sdomain});
149: }
150:
1.11 matthew 151: sub initialize {
152: &clear_package();
1.25 matthew 153: &Apache::loncoursedata::clear_internal_caches();
1.11 matthew 154: }
155:
1.1 matthew 156: ########################################################
157: ########################################################
158:
159: =pod
160:
161: =item &initialize_package()
162:
163: =cut
164:
165: ########################################################
166: ########################################################
167: sub initialize_package {
168: my ($sname,$sdomain) = @_;
169: $current_name = $sname;
170: $current_domain = $sdomain;
1.21 matthew 171: undef(%useropt);
1.22 matthew 172: undef(%userdata);
1.13 matthew 173: if ($current_course ne $ENV{'request.course.id'}) {
174: $current_course = $ENV{'request.course.id'};
175: undef(%courseopt);
176: }
1.1 matthew 177: &load_cached_export_rows();
178: &load_parameter_caches();
1.25 matthew 179: &Apache::loncoursedata::clear_internal_caches();
1.1 matthew 180: }
181:
1.22 matthew 182:
1.1 matthew 183: ########################################################
184: ########################################################
185:
186: =pod
187:
188: =item &load_parameter_caches()
189:
190: =cut
191:
192: ########################################################
193: ########################################################
194: sub load_parameter_caches {
195: my $userprefix = $current_name.':'.$current_domain.'_';
196: $userprefix =~ s/:/_/g;
197: #
198: # Course Parameters Cache
199: if (! %courseopt) {
200: $current_course = $ENV{'request.course.id'};
201: undef(%courseopt);
202: if (! defined($current_name) || ! defined($current_domain)) {
203: return;
204: }
205: my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
206: my $id = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
207: my %Tmp = &Apache::lonnet::dump('resourcedata',$dom,$id);
208: while (my ($name,$value) = each(%Tmp)) {
1.3 matthew 209: $courseopt{$name}=$value;
1.1 matthew 210: }
211: }
212: if (! %useropt) {
213: my %Tmp = &Apache::lonnet::dump('resourcedata',
214: $current_domain,$current_name);
215: while (my ($name,$value) = each(%Tmp)) {
216: if ($name =~ /^error: 2/ || $name =~ /no such file/) {
217: undef(%useropt);
218: last;
219: }
220: $useropt{$userprefix.$name}=$value;
221: }
1.21 matthew 222: $useropt{'loadtime'} = time;
1.1 matthew 223: }
1.22 matthew 224: if (! %userdata) {
225: %userdata = &Apache::loncoursedata::get_current_state($current_name,
226: $current_domain);
227: $userdata{'loadtime'} = time;
228: }
229: return;
1.1 matthew 230: }
231:
232: ########################################################
233: ########################################################
234:
235: =pod
236:
237: =head2 assesscalc object methods
238:
239: =cut
240:
241: ########################################################
242: ########################################################
1.22 matthew 243: sub ensure_current_caches {
1.1 matthew 244: my $self = shift;
1.19 matthew 245: ##
246: ## Check for a modified parameters
247: ##
1.1 matthew 248: if (! defined($current_course) ||
249: $current_course ne $ENV{'request.course.id'} ) {
250: $current_course = $ENV{'request.course.id'};
251: undef(%courseopt);
1.22 matthew 252: undef(%useropt);
253: undef(%userdata);
1.1 matthew 254: }
1.19 matthew 255: ##
256: ## Check for new user
257: ##
1.1 matthew 258: if (! defined($current_name) || $current_name ne $self->{'name'} ||
259: ! defined($current_domain) || $current_domain ne $self->{'domain'}) {
260: $current_domain = $self->{'domain'};
261: $current_name = $self->{'name'};
262: undef(%useropt);
1.22 matthew 263: undef(%userdata);
1.1 matthew 264: }
265: &load_parameter_caches();
266: }
267:
268: ##################################################
269: ##################################################
270:
271: =pod
272:
273: =item &parmval()
274:
275: Determine the value of a parameter.
276:
277: Inputs: $what, the parameter needed, $symb, $uname, $udom, $csec
278:
279: Returns: The value of a parameter, or '' if none.
280:
281: This function cascades through the possible levels searching for a value for
282: a parameter. The levels are checked in the following order:
283: user, course (at section level and course level), map, and lonnet::metadata.
284: This function uses %parmhash, which must be tied prior to calling it.
285: This function also requires %courseopt and %useropt to be initialized for
286: this user and course.
287:
288: =cut
289:
290: ##################################################
291: ##################################################
292: sub parmval {
293: my $self = shift;
1.17 albertel 294: my ($what,$symb,$uname,$udom,$csec,$recurse)=@_;
1.1 matthew 295: $uname = $self->{'name'} if (! defined($uname));
296: $udom = $self->{'domain'} if (! defined($udom));
297: $csec = $self->{'section'} if (! defined($csec));
298: $symb = $self->{'symb'} if (! defined($symb));
299: #
300: my $result='';
301: #
302: # This should be a
1.20 www 303: my ($mapname,$id,$fn)=&Apache::lonnet::decode_symb($symb);
1.1 matthew 304: # Cascading lookup scheme
305: my $rwhat=$what;
306: $what =~ s/^parameter\_//;
307: $what =~ s/\_([^\_]+)$/\.$1/;
308: #
309: my $symbparm = $symb.'.'.$what;
310: my $mapparm = $mapname.'___(all).'.$what;
1.3 matthew 311: my $courseprefix = $self->{'cid'};
1.1 matthew 312: my $usercourseprefix = $uname.'_'.$udom.'_'.$self->{'cid'};
313: #
1.3 matthew 314: my $seclevel = $courseprefix.'.['.$csec.'].'.$what;
315: my $seclevelr = $courseprefix.'.['.$csec.'].'.$symbparm;
316: my $seclevelm = $courseprefix.'.['.$csec.'].'.$mapparm;
317: #
318: my $courselevel = $courseprefix.'.'.$what;
319: my $courselevelr = $courseprefix.'.'.$symbparm;
320: my $courselevelm = $courseprefix.'.'.$mapparm;
321: #
322: my $ucourselevel = $usercourseprefix.'.'.$what;
323: my $ucourselevelr = $usercourseprefix.'.'.$symbparm;
324: my $ucourselevelm = $usercourseprefix.'.'.$mapparm;
1.1 matthew 325: # check user
326: if (defined($uname)) {
1.3 matthew 327: return $useropt{$ucourselevelr} if (defined($useropt{$ucourselevelr}));
328: return $useropt{$ucourselevelm} if (defined($useropt{$ucourselevelm}));
329: return $useropt{$ucourselevel} if (defined($useropt{$ucourselevel}));
1.1 matthew 330: }
331: # check section
332: if (defined($csec)) {
333: return $courseopt{$seclevelr} if (defined($courseopt{$seclevelr}));
334: return $courseopt{$seclevelm} if (defined($courseopt{$seclevelm}));
335: return $courseopt{$seclevel} if (defined($courseopt{$seclevel}));
336: }
337: #
338: # check course
339: return $courseopt{$courselevelr} if (defined($courseopt{$courselevelr}));
340: return $courseopt{$courselevelm} if (defined($courseopt{$courselevelm}));
341: return $courseopt{$courselevel} if (defined($courseopt{$courselevel}));
342: # check map parms
343: my $thisparm = $parmhash{$symbparm};
344: return $thisparm if (defined($thisparm));
345: # check default
346: $thisparm = &Apache::lonnet::metadata($fn,$rwhat.'.default');
347: return $thisparm if (defined($thisparm));
348: #
349: # Cascade Up
350: my $space=$what;
351: $space=~s/\.\w+$//;
352: if ($space ne '0') {
353: my @parts=split(/_/,$space);
354: my $id=pop(@parts);
355: my $part=join('_',@parts);
356: if ($part eq '') { $part='0'; }
357: my $newwhat=$rwhat;
358: $newwhat=~s/\Q$space\E/$part/;
1.17 albertel 359: my $partgeneral=$self->parmval($newwhat,$symb,$uname,$udom,$csec,1);
1.1 matthew 360: if (defined($partgeneral)) { return $partgeneral; }
361: }
1.17 albertel 362: if ($recurse) { return undef; }
363: my $pack_def=&Apache::lonnet::packages_tab_default($fn,'resource.'.$what);
364: if (defined($pack_def)) { return $pack_def; }
1.1 matthew 365: #nothing defined
366: return '';
367: }
368:
1.8 matthew 369: sub get_html_title {
370: my $self = shift;
371: my ($assess_title,$name,$time) = $self->get_title();
372: my $title = '<h1>'.$assess_title.'</h1>'.
373: '<h2>'.$name.', '.
374: &Apache::loncommon::aboutmewrapper
375: ($self->{'name'}.'@'.$self->{'domain'},
376: $self->{'name'},$self->{'domain'});
377: $title .= '<h3>'.$time.'</h3>';
378: return $title;
379: }
380:
1.1 matthew 381: sub get_title {
382: my $self = shift;
1.8 matthew 383: my @title = ();
1.16 matthew 384: if (($self->{'symb'} eq '_feedback') ||
385: ($self->{'symb'} eq '_evaluation') ||
386: ($self->{'symb'} eq '_discussion') ||
387: ($self->{'symb'} eq '_tutoring')) {
388: my $assess_title = ucfirst($self->{'symb'});
1.8 matthew 389: $assess_title =~ s/^_//;
390: push(@title,$assess_title);
1.1 matthew 391: } else {
1.8 matthew 392: push(@title,&Apache::lonnet::gettitle($self->{'symb'}));
1.1 matthew 393: }
1.2 matthew 394: # Look up the users identifying information
395: # Get the users information
396: my %userenv = &Apache::loncoursedata::GetUserName($self->{'name'},
397: $self->{'domain'});
398: my $name =
399: join(' ',@userenv{'firstname','middlename','lastname','generation'});
400: $name =~ s/\s+$//;
1.8 matthew 401: push (@title,$name);
1.26 ! www 402: push (@title,&Apache::lonlocal::locallocaltime(time));
1.8 matthew 403: return @title;
1.1 matthew 404: }
405:
406: sub parent_link {
407: my $self = shift;
408: my $link .= '<p><a href="/adm/studentcalc?'.
409: 'sname='.$self->{'name'}.
410: '&sdomain='.$self->{'domain'}.'">'.
1.26 ! www 411: &mt('Student level sheet').'</a></p>'."\n";
1.1 matthew 412: return $link;
413: }
414:
415: sub outsheet_html {
416: my $self = shift;
417: my ($r) = @_;
418: ###################################
419: # Determine table structure
420: ###################################
1.14 matthew 421: my $importcolor = '#FFFFFF';
1.15 matthew 422: my $exportcolor = '#FFFFAA';
1.1 matthew 423: my $num_uneditable = 1;
424: my $num_left = 52-$num_uneditable;
1.26 ! www 425: my %lt=&Apache::lonlocal::texthash(
! 426: 'as' => 'Assessment',
! 427: 'ca' => 'Calculations',
! 428: );
1.1 matthew 429: my $tableheader =<<"END";
430: <table border="2">
431: <tr>
1.26 ! www 432: <th colspan="2" rowspan="2"><font size="+2">$lt{'as'}</font></th>
1.14 matthew 433: <td bgcolor="$importcolor" colspan="$num_uneditable"> </td>
1.1 matthew 434: <td colspan="$num_left">
1.26 ! www 435: <b><font size="+1">$lt{'ca'}</font></b></td>
1.1 matthew 436: </tr><tr>
437: END
438: my $label_num = 0;
439: foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
440: if ($label_num<$num_uneditable) {
1.14 matthew 441: $tableheader .= '<td bgcolor="'.$importcolor.'">';
1.1 matthew 442: } else {
443: $tableheader .= '<td>';
444: }
445: $tableheader .= "<b><font size=+1>$_</font></b></td>";
446: $label_num++;
447: }
448: $tableheader.="</tr>\n";
449: #
450: $r->print($tableheader);
451: #
452: # Print out template row
453: $r->print('<tr><td>Template</td><td> </td>'.
1.14 matthew 454: $self->html_template_row($num_uneditable,$importcolor).
455: "</tr>\n");
1.1 matthew 456: #
457: # Print out summary/export row
458: $r->print('<tr><td>Export</td><td>0</td>'.
1.14 matthew 459: $self->html_export_row($exportcolor)."</tr>\n");
1.1 matthew 460: #
461: # Prepare to output rows
462: $tableheader =<<"END";
463: <table border="2">
464: <tr><th>row</th><th>Item</th>
465: END
466: foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
467: if ($label_num<$num_uneditable) {
1.14 matthew 468: $tableheader.='<th bgcolor="'.$importcolor.'">';
1.1 matthew 469: } else {
470: $tableheader.='<th>';
471: }
472: $tableheader.="<b><font size=+1>$_</font></b></th>";
473: }
474: #
475: my $num_output = 0;
1.8 matthew 476: foreach my $rownum (sort {$a <=> $b} ($self->rows())) {
1.1 matthew 477: if ($num_output++ % 50 == 0) {
478: $r->print("</table>\n".$tableheader);
479: }
480: $r->print('<tr><td>'.$rownum.'</td>'.
1.14 matthew 481: $self->assess_html_row($rownum,$importcolor)."</tr>\n");
1.1 matthew 482: }
483: $r->print("</table>\n");
484: return;
485: }
486:
487: sub assess_html_row {
488: my $self = shift();
1.14 matthew 489: my ($row,$importcolor) = @_;
1.1 matthew 490: my $parameter_name = $self->{'formulas'}->{'A'.$row};
491: my @rowdata = $self->get_row($row);
492: my $num_cols_output = 0;
493: my $row_html;
494: if (exists($nice_parameter_name{$parameter_name})) {
495: my $name = $nice_parameter_name{$parameter_name};
496: $name =~ s/ /\ /g;
497: $row_html .= '<td>'.$name.'<br />'.$parameter_name.'</td>';
498: } else {
499: $row_html .= '<td>'.$parameter_name.'</td>';
500: }
501: foreach my $cell (@rowdata) {
1.10 matthew 502: if ($num_cols_output < 1) {
1.14 matthew 503: $row_html .= '<td bgcolor="'.$importcolor.'">';
1.10 matthew 504: $row_html .= &Apache::Spreadsheet::html_uneditable_cell($cell,
505: '#FFDDDD');
506: } else {
507: $row_html .= '<td bgcolor="#EOFFDD">';
508: $row_html .= &Apache::Spreadsheet::html_editable_cell($cell,
509: '#E0FFDD',1);
510: }
1.1 matthew 511: $row_html .= '</td>';
1.10 matthew 512: $num_cols_output++;
1.1 matthew 513: }
514: return $row_html;
515: }
516:
1.9 matthew 517: sub csv_rows {
518: # writes the meat of the spreadsheet to an excel worksheet. Called
519: # by Spreadsheet::outsheet_excel;
1.1 matthew 520: my $self = shift;
1.9 matthew 521: my ($filehandle) = @_;
522: #
523: # Write a header row
524: $self->csv_output_row($filehandle,undef,
1.26 ! www 525: (&mt('Parameter'),&mt('Description'),&mt('Value')));
1.9 matthew 526: #
527: # Write each row
528: foreach my $rownum (sort {$a <=> $b} ($self->rows())) {
529: my $parameter_name = $self->{'formulas'}->{'A'.$rownum};
530: my $description = '';
531: if (exists($nice_parameter_name{$parameter_name})) {
532: $description = $nice_parameter_name{$parameter_name};
533: }
534: $self->csv_output_row($filehandle,$rownum,
535: $parameter_name,$description);
536: }
537: return;
1.1 matthew 538: }
539:
1.8 matthew 540: sub excel_rows {
541: # writes the meat of the spreadsheet to an excel worksheet. Called
542: # by Spreadsheet::outsheet_excel;
1.1 matthew 543: my $self = shift;
1.8 matthew 544: my ($worksheet,$cols_output,$rows_output) = @_;
545: #
546: # Write a header row
547: $cols_output = 0;
548: foreach my $value ('Parameter','Description','Value') {
1.26 ! www 549: $worksheet->write($rows_output,$cols_output++,&mt($value));
1.8 matthew 550: }
551: $rows_output++;
552: #
553: # Write each row
554: foreach my $rownum (sort {$a <=> $b} ($self->rows())) {
555: my $parameter_name = $self->{'formulas'}->{'A'.$rownum};
556: my $description = '';
557: if (exists($nice_parameter_name{$parameter_name})) {
558: $description = $nice_parameter_name{$parameter_name};
559: }
560: $self->excel_output_row($worksheet,$rownum,$rows_output++,
561: $parameter_name,$description);
562: }
563: return;
1.1 matthew 564: }
565:
1.21 matthew 566: ##
567: ## Routines to support assesscalc::compute
568: ##
569: sub get_parm_names {
570: my $self = shift;
571: my @Mandatory_parameters = @_;
572: my %parameters_and_names;
573: #
1.23 albertel 574: my ($symap,$syid,$srcf) = &Apache::lonnet::decode_symb($self->{'symb'});
1.21 matthew 575: my @Metadata = split(/\,/,&Apache::lonnet::metadata($srcf,'keys'));
576: foreach my $parm (@Mandatory_parameters,@Metadata) {
577: next if ($parm !~ /^(resource\.|stores|parameter)_/);
578: my $cleaned_name = $parm;
579: $cleaned_name =~ s/^resource\./stores_/;
580: $cleaned_name =~ s/\./_/g;
581: my $display = &Apache::lonnet::metadata($srcf,
582: $cleaned_name.'.display');
583: if (! $display) {
584: $display .= &Apache::lonnet::metadata($srcf,$cleaned_name.'.name');
585: }
586: $parameters_and_names{$cleaned_name}=$display;
587: }
588: return (%parameters_and_names);
589: }
590:
591: sub get_parameter_values {
592: my $self = shift();
593: my @Parameters;
594: my ($parameters) = @_;
595: if (!ref($parameters)) {
596: @Parameters = @_;
597: } elsif (ref($parameters) eq 'ARRAY') {
598: @Parameters = @$parameters;
599: } elsif (ref($parameters) eq 'HASH') {
600: @Parameters = keys(%$parameters);
601: }
602: #
603: my %parameters;
604: #
605: my $filename = $self->{'coursefilename'}.'_parms.db';
606: if (tie(%parmhash,'GDBM_File',
607: $self->{'coursefilename'}.'_parms.db',&GDBM_READER(),0640)) {
608: foreach my $parmname (@Parameters) {
609: my $value = $self->parmval($parmname);
610: $parameters{$parmname} =$value;
611: }
612: untie(%parmhash);
613: } else {
614: $self->logthis('unable to tie '.$filename);
615: }
616: return %parameters;
617: }
618:
619: sub deal_with_export_row {
620: my $self = shift();
621: my @exportarray = @_;
622: $Exportrows{$self->{'symb'}}->{'time'} = time;
623: $Exportrows{$self->{'symb'}}->{$self->{'filename'}} = \@exportarray;
624: #
625: # Save the export data
626: $self->save_export_data();
627: return;
628: }
629:
1.22 matthew 630: sub get_problem_state {
631: my $self = shift;
632: my %student_parameters;
633: if (exists($userdata{$self->{'symb'}}) &&
634: ref($userdata{$self->{'symb'}}) eq 'HASH') {
635: %student_parameters = %{$userdata{$self->{'symb'}}};
636: }
637: return %student_parameters;
638: }
1.21 matthew 639:
1.1 matthew 640: sub compute {
641: my $self = shift;
1.19 matthew 642: my ($r) = @_;
643: my $connection = $r->connection();
644: if ($connection->aborted()) { $self->cleanup(); return; }
1.1 matthew 645: $self->initialize_safe_space();
1.11 matthew 646: #########################################
647: #########################################
648: ### ###
649: ### Retrieve the problem parameters ###
650: ### ###
651: #########################################
652: #########################################
653: my @Mandatory_parameters = ("stores_0_solved",
654: "stores_0_awarddetail",
655: "stores_0_awarded",
656: "timestamp",
657: "stores_0_tries",
658: "stores_0_award");
1.1 matthew 659: #
660: # Definitions
661: undef(%nice_parameter_name);
662: my %parameters; # holds underscored parameters by name
663: #
664: # Get the metadata fields and determine their proper names
1.21 matthew 665: my %nice_parm_names = $self->get_parm_names(@Mandatory_parameters);
666: while (my($cleaned_name,$display) = each(%nice_parm_names)) {
1.1 matthew 667: $parameters{$cleaned_name}++;
668: $nice_parameter_name{$cleaned_name} = $display;
669: }
670: #
671: # Get the values of the metadata fields
1.19 matthew 672: if ($connection->aborted()) { $self->cleanup(); return; }
1.22 matthew 673: $self->ensure_current_caches();
1.19 matthew 674: if ($connection->aborted()) { $self->cleanup(); return; }
1.21 matthew 675: %parameters = $self->get_parameter_values(keys(%parameters));
1.19 matthew 676: if ($connection->aborted()) { $self->cleanup(); return; }
1.1 matthew 677: #
678: # Clean out unnecessary parameters
679: foreach (keys(%parameters)) {
680: delete($parameters{$_}) if (! /(resource\.|stores_|parameter_)/);
681: }
682: #
683: # Get the students performance data
1.22 matthew 684: my %student_parameters = $self->get_problem_state();
1.1 matthew 685: while (my ($parm,$value) = each(%student_parameters)) {
686: $parm =~ s/^resource\./stores_/;
687: $parm =~ s/\./_/g;
688: $parameters{$parm} = $value;
689: }
690: #
691: # Set up the formulas and parameter values
692: my %f=$self->formulas();
693: my %c;
694: #
1.5 matthew 695: # Check for blackout requirements
696: if ((!exists($ENV{'request.role.adv'}) || !$ENV{'request.role.adv'})) {
697: while (my ($parm,$value) = each(%parameters)) {
698: last if ($self->blackout());
699: next if ($parm !~ /^(parameter_.*)_problemstatus$/);
1.24 matthew 700: if ($parameters{$1.'_answerdate'} ne '' &&
1.21 matthew 701: $parameters{$1.'_answerdate'} < time) {
702: next;
703: }
1.5 matthew 704: if (lc($value) eq 'no') {
705: # We must blackout this sheet
706: $self->blackout(1);
707: }
708: }
709: }
1.19 matthew 710: if ($connection->aborted()) { $self->cleanup(); return; }
1.5 matthew 711: #
712: # Move the parameters into the spreadsheet
1.19 matthew 713: if ($connection->aborted()) { $self->cleanup(); return; }
1.1 matthew 714: while (my ($parm,$value) = each(%parameters)) {
715: my $cell = 'A'.$self->get_row_number_from_key($parm);
716: $f{$cell} = $parm;
1.6 matthew 717: $value = '"'.$value.'"' if ($value =~/[^0-9.]/);
718: $c{$parm} = $value;
1.1 matthew 719: }
1.6 matthew 720: $self->formulas(\%f);
721: $self->constants(\%c);
1.19 matthew 722: if ($connection->aborted()) { $self->cleanup(); return; }
1.1 matthew 723: $self->calcsheet();
724: #
725: # Store export row in cache
726: my @exportarray = $self->exportrow();
1.21 matthew 727: $self->deal_with_export_row(@exportarray);
1.12 matthew 728: $self->save() if ($self->need_to_save());
1.19 matthew 729: if ($connection->aborted()) { $self->cleanup(); return; }
1.1 matthew 730: return;
731: }
732:
733: ##
734: ## sett overrides Spreadsheet::sett
735: ##
736: sub sett {
737: my $self = shift;
738: my %t=();
739: #
740: # Deal with the template row by copying the template formulas into each
741: # row.
742: foreach my $col ($self->template_cells()) {
743: next if ($col=~/^A/);
744: foreach my $row ($self->rows()) {
745: # Get the name of this cell
746: my $cell=$col.$row;
747: # Grab the template declaration
748: $t{$cell}=$self->formula('template_'.$col);
749: # Replace '#' with the row number
750: $t{$cell}=~s/\#/$row/g;
751: # Replace '....' with ','
752: $t{$cell}=~s/\.\.+/\,/g;
753: # Replace 'A0' with the value from 'A0'
754: $t{$cell}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
755: # Replace parameters
756: $t{$cell}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.$self->expandnamed($2)/ge;
757: }
758: }
759: #
760: # Deal with the cells which have formulas
761: while (my ($cell,$formula) = each(%{$self->{'formulas'}})) {
762: next if ($cell =~ /template_/);
763: if ($cell =~ /^A/ && $cell ne 'A0') {
764: if ($formula !~ /^\!/) {
765: $t{$cell}=$self->{'constants'}->{$formula};
766: }
767: } else {
768: $t{$cell}=$formula;
769: $t{$cell}=~s/\.\.+/\,/g;
770: $t{$cell}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
771: $t{$cell}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.$self->expandnamed($2)/ge;
772: }
773: }
774: # Put %t into the safe space
775: %{$self->{'safe'}->varglob('t')}=%t;
776: }
777:
778:
779: ########################################################
780: ########################################################
781:
782: =pod
783:
784: =item &load_cached_export_rows()
785:
786: Retrieves and parsers the export rows of the assessment spreadsheets.
787: These rows are saved in the students directory in the format:
788:
789: sname:sdom:assesscalc:symb.time => time
790:
791: sname:sdom:assesscalc:symb => filename___=___Adata___;___Bdata___;___ ...
792:
793: =cut
794:
795: ########################################################
796: ########################################################
797: sub load_cached_export_rows {
1.18 matthew 798: undef(%Exportrows);
1.1 matthew 799: my @tmp = &Apache::lonnet::dump('nohist_calculatedsheets_'.
800: $ENV{'request.course.id'},
801: $current_domain,$current_name,undef);
802: if ($tmp[0]!~/^error/) {
803: my %tmp = @tmp;
804: my $default_filename = $ENV{'course.'.$ENV{'request.course.id'}.
805: '.spreadsheet_default_assesscalc'};
806: # We only got one key, so we will access it directly.
807: while (my ($key,$sheetdata) = each(%tmp)) {
808: my ($sname,$sdom,$sheettype,$symb) = split(':',$key);
809: if ($symb =~ /\.time$/) {
810: $symb =~ s/\.time$//;
811: $Exportrows{$symb}->{'time'} = $sheetdata;
812: } else {
813: $sheetdata =~ s/^(.*)___=___//;
814: my $filename = $1;
815: $filename = $default_filename if (! defined($filename));
816: my @Data = split('___;___',$sheetdata);
817: $Exportrows{$symb}->{$filename} = \@Data;
818: }
819: }
820: }
821: }
822:
823: #############################################
824: #############################################
825:
826: =pod
827:
828: =item &export_data
829:
830: Returns the export data associated with the spreadsheet. Computes the
831: spreadsheet only if necessary.
832:
833: =cut
834:
835: #############################################
836: #############################################
837: sub export_data {
838: my $self = shift;
1.19 matthew 839: my ($r) = @_;
840: my $connection = $r->connection();
1.1 matthew 841: my $symb = $self->{'symb'};
1.5 matthew 842: if (! exists($ENV{'request.role.adv'}) || ! $ENV{'request.role.adv'} ||
843: ! exists($Exportrows{$symb}) || ! defined($Exportrows{$symb}) ||
1.1 matthew 844: ! $self->check_expiration_time($Exportrows{$symb}->{'time'}) ||
845: ! exists($Exportrows{$symb}->{$self->{'filename'}}) ||
1.18 matthew 846: ! defined($Exportrows{$symb}->{$self->{'filename'}}) ||
847: ! ref($Exportrows{$symb}->{$self->{'filename'}})
848: ) {
1.19 matthew 849: $self->compute($r);
1.1 matthew 850: }
1.19 matthew 851: if ($connection->aborted()) { $self->cleanup(); return; }
1.1 matthew 852: my @Data = @{$Exportrows{$symb}->{$self->{'filename'}}};
853: if ($Data[0] =~ /^(.*)___=___/) {
854: $self->{'sheetname'} = $1;
855: $Data[0] =~ s/^(.*)___=___//;
856: }
857: for (my $i=0;$i<$#Data;$i++) {
858: $Data[$i]="'".$Data[$i]."'" if ($Data[$i]=~/\D/ && defined($Data[$i]));
859: }
860: return @Data;
861: }
862:
863: #############################################
864: #############################################
865:
866: =pod
867:
868: =item &save_export_data()
869:
870: Writes the export data for this spreadsheet to the students cache.
871:
872: =cut
873:
874: #############################################
875: #############################################
876: sub save_export_data {
877: my $self = shift;
1.7 matthew 878: return if ($self->temporary());
1.1 matthew 879: my $student = $self->{'name'}.':'.$self->{'domain'};
880: my $symb = $self->{'symb'};
881: if (! exists($Exportrows{$symb}) ||
882: ! exists($Exportrows{$symb}->{$self->{'filename'}})) {
883: return;
884: }
885: my $key = join(':',($self->{'name'},$self->{'domain'},'assesscalc',$symb));
886: my $timekey = $key.'.time';
1.22 matthew 887: my $newstore= join('___;___',
888: map {s/[^[:print:]]//g;$_;} # strip out unprintable
889: @{$Exportrows{$symb}->{$self->{'filename'}}});
1.1 matthew 890: $newstore = $self->{'filename'}.'___=___'.$newstore;
1.22 matthew 891: $newExportrows{$student}->{$key} = $newstore;
892: $newExportrows{$student}->{$timekey} = $Exportrows{$symb}->{'time'};
1.1 matthew 893: return;
894: }
895:
896: 1;
897:
898: __END__
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