Annotation of loncom/interface/spreadsheet/assesscalc.pm, revision 1.29
1.1 matthew 1: #
1.29 ! matthew 2: # $Id: assesscalc.pm,v 1.28 2003/11/11 15:36:28 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 $self = shift;
1.29 ! matthew 371: my ($assess_title,$name,$time) = $self->get_full_title();
1.8 matthew 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 $self = shift;
1.16 matthew 383: if (($self->{'symb'} eq '_feedback') ||
384: ($self->{'symb'} eq '_evaluation') ||
385: ($self->{'symb'} eq '_discussion') ||
386: ($self->{'symb'} eq '_tutoring')) {
387: my $assess_title = ucfirst($self->{'symb'});
1.8 matthew 388: $assess_title =~ s/^_//;
1.29 ! matthew 389: return $assess_title;
1.1 matthew 390: } else {
1.29 ! matthew 391: return &Apache::lonnet::gettitle($self->{'symb'});
1.1 matthew 392: }
1.29 ! matthew 393: }
! 394:
! 395: sub get_full_title {
! 396: my $self = shift;
! 397: my @title = ($self->get_title());
1.2 matthew 398: # Look up the users identifying information
399: # Get the users information
400: my %userenv = &Apache::loncoursedata::GetUserName($self->{'name'},
401: $self->{'domain'});
402: my $name =
403: join(' ',@userenv{'firstname','middlename','lastname','generation'});
404: $name =~ s/\s+$//;
1.8 matthew 405: push (@title,$name);
1.26 www 406: push (@title,&Apache::lonlocal::locallocaltime(time));
1.8 matthew 407: return @title;
1.1 matthew 408: }
409:
410: sub parent_link {
411: my $self = shift;
412: my $link .= '<p><a href="/adm/studentcalc?'.
413: 'sname='.$self->{'name'}.
414: '&sdomain='.$self->{'domain'}.'">'.
1.26 www 415: &mt('Student level sheet').'</a></p>'."\n";
1.1 matthew 416: return $link;
417: }
418:
419: sub outsheet_html {
420: my $self = shift;
421: my ($r) = @_;
1.29 ! matthew 422: ####################################
! 423: # Report any calculation errors #
! 424: ####################################
! 425: $r->print($self->html_report_error());
1.1 matthew 426: ###################################
427: # Determine table structure
428: ###################################
1.14 matthew 429: my $importcolor = '#FFFFFF';
1.15 matthew 430: my $exportcolor = '#FFFFAA';
1.1 matthew 431: my $num_uneditable = 1;
432: my $num_left = 52-$num_uneditable;
1.26 www 433: my %lt=&Apache::lonlocal::texthash(
434: 'as' => 'Assessment',
435: 'ca' => 'Calculations',
436: );
1.1 matthew 437: my $tableheader =<<"END";
438: <table border="2">
439: <tr>
1.26 www 440: <th colspan="2" rowspan="2"><font size="+2">$lt{'as'}</font></th>
1.14 matthew 441: <td bgcolor="$importcolor" colspan="$num_uneditable"> </td>
1.1 matthew 442: <td colspan="$num_left">
1.26 www 443: <b><font size="+1">$lt{'ca'}</font></b></td>
1.1 matthew 444: </tr><tr>
445: END
446: my $label_num = 0;
447: foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
448: if ($label_num<$num_uneditable) {
1.14 matthew 449: $tableheader .= '<td bgcolor="'.$importcolor.'">';
1.1 matthew 450: } else {
451: $tableheader .= '<td>';
452: }
453: $tableheader .= "<b><font size=+1>$_</font></b></td>";
454: $label_num++;
455: }
456: $tableheader.="</tr>\n";
457: #
458: $r->print($tableheader);
459: #
460: # Print out template row
461: $r->print('<tr><td>Template</td><td> </td>'.
1.14 matthew 462: $self->html_template_row($num_uneditable,$importcolor).
463: "</tr>\n");
1.1 matthew 464: #
465: # Print out summary/export row
466: $r->print('<tr><td>Export</td><td>0</td>'.
1.14 matthew 467: $self->html_export_row($exportcolor)."</tr>\n");
1.1 matthew 468: #
469: # Prepare to output rows
470: $tableheader =<<"END";
471: <table border="2">
472: <tr><th>row</th><th>Item</th>
473: END
474: foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
475: if ($label_num<$num_uneditable) {
1.14 matthew 476: $tableheader.='<th bgcolor="'.$importcolor.'">';
1.1 matthew 477: } else {
478: $tableheader.='<th>';
479: }
480: $tableheader.="<b><font size=+1>$_</font></b></th>";
481: }
482: #
483: my $num_output = 0;
1.8 matthew 484: foreach my $rownum (sort {$a <=> $b} ($self->rows())) {
1.28 matthew 485: if (! $self->parameter_part_is_valid(
486: $self->{'formulas'}->{'A'.$rownum}
487: )) {
488: next;
489: }
1.1 matthew 490: if ($num_output++ % 50 == 0) {
491: $r->print("</table>\n".$tableheader);
492: }
493: $r->print('<tr><td>'.$rownum.'</td>'.
1.14 matthew 494: $self->assess_html_row($rownum,$importcolor)."</tr>\n");
1.1 matthew 495: }
496: $r->print("</table>\n");
497: return;
498: }
499:
500: sub assess_html_row {
501: my $self = shift();
1.14 matthew 502: my ($row,$importcolor) = @_;
1.1 matthew 503: my $parameter_name = $self->{'formulas'}->{'A'.$row};
504: my @rowdata = $self->get_row($row);
505: my $num_cols_output = 0;
506: my $row_html;
507: if (exists($nice_parameter_name{$parameter_name})) {
508: my $name = $nice_parameter_name{$parameter_name};
509: $name =~ s/ /\ /g;
510: $row_html .= '<td>'.$name.'<br />'.$parameter_name.'</td>';
511: } else {
512: $row_html .= '<td>'.$parameter_name.'</td>';
513: }
514: foreach my $cell (@rowdata) {
1.10 matthew 515: if ($num_cols_output < 1) {
1.14 matthew 516: $row_html .= '<td bgcolor="'.$importcolor.'">';
1.10 matthew 517: $row_html .= &Apache::Spreadsheet::html_uneditable_cell($cell,
518: '#FFDDDD');
519: } else {
520: $row_html .= '<td bgcolor="#EOFFDD">';
521: $row_html .= &Apache::Spreadsheet::html_editable_cell($cell,
522: '#E0FFDD',1);
523: }
1.1 matthew 524: $row_html .= '</td>';
1.10 matthew 525: $num_cols_output++;
1.1 matthew 526: }
527: return $row_html;
528: }
529:
1.9 matthew 530: sub csv_rows {
531: # writes the meat of the spreadsheet to an excel worksheet. Called
532: # by Spreadsheet::outsheet_excel;
1.1 matthew 533: my $self = shift;
1.9 matthew 534: my ($filehandle) = @_;
535: #
536: # Write a header row
537: $self->csv_output_row($filehandle,undef,
1.26 www 538: (&mt('Parameter'),&mt('Description'),&mt('Value')));
1.9 matthew 539: #
540: # Write each row
541: foreach my $rownum (sort {$a <=> $b} ($self->rows())) {
542: my $parameter_name = $self->{'formulas'}->{'A'.$rownum};
543: my $description = '';
544: if (exists($nice_parameter_name{$parameter_name})) {
545: $description = $nice_parameter_name{$parameter_name};
546: }
547: $self->csv_output_row($filehandle,$rownum,
548: $parameter_name,$description);
549: }
550: return;
1.1 matthew 551: }
552:
1.8 matthew 553: sub excel_rows {
554: # writes the meat of the spreadsheet to an excel worksheet. Called
555: # by Spreadsheet::outsheet_excel;
1.1 matthew 556: my $self = shift;
1.8 matthew 557: my ($worksheet,$cols_output,$rows_output) = @_;
558: #
559: # Write a header row
560: $cols_output = 0;
561: foreach my $value ('Parameter','Description','Value') {
1.26 www 562: $worksheet->write($rows_output,$cols_output++,&mt($value));
1.8 matthew 563: }
564: $rows_output++;
565: #
566: # Write each row
567: foreach my $rownum (sort {$a <=> $b} ($self->rows())) {
568: my $parameter_name = $self->{'formulas'}->{'A'.$rownum};
569: my $description = '';
570: if (exists($nice_parameter_name{$parameter_name})) {
571: $description = $nice_parameter_name{$parameter_name};
572: }
573: $self->excel_output_row($worksheet,$rownum,$rows_output++,
574: $parameter_name,$description);
575: }
576: return;
1.1 matthew 577: }
578:
1.21 matthew 579: ##
580: ## Routines to support assesscalc::compute
581: ##
582: sub get_parm_names {
583: my $self = shift;
584: my @Mandatory_parameters = @_;
585: my %parameters_and_names;
586: #
1.23 albertel 587: my ($symap,$syid,$srcf) = &Apache::lonnet::decode_symb($self->{'symb'});
1.21 matthew 588: my @Metadata = split(/\,/,&Apache::lonnet::metadata($srcf,'keys'));
589: foreach my $parm (@Mandatory_parameters,@Metadata) {
590: next if ($parm !~ /^(resource\.|stores|parameter)_/);
591: my $cleaned_name = $parm;
592: $cleaned_name =~ s/^resource\./stores_/;
593: $cleaned_name =~ s/\./_/g;
594: my $display = &Apache::lonnet::metadata($srcf,
595: $cleaned_name.'.display');
596: if (! $display) {
597: $display .= &Apache::lonnet::metadata($srcf,$cleaned_name.'.name');
598: }
599: $parameters_and_names{$cleaned_name}=$display;
600: }
601: return (%parameters_and_names);
602: }
603:
604: sub get_parameter_values {
605: my $self = shift();
606: my @Parameters;
607: my ($parameters) = @_;
608: if (!ref($parameters)) {
609: @Parameters = @_;
610: } elsif (ref($parameters) eq 'ARRAY') {
611: @Parameters = @$parameters;
612: } elsif (ref($parameters) eq 'HASH') {
613: @Parameters = keys(%$parameters);
614: }
615: #
616: my %parameters;
617: #
618: my $filename = $self->{'coursefilename'}.'_parms.db';
619: if (tie(%parmhash,'GDBM_File',
620: $self->{'coursefilename'}.'_parms.db',&GDBM_READER(),0640)) {
621: foreach my $parmname (@Parameters) {
622: my $value = $self->parmval($parmname);
623: $parameters{$parmname} =$value;
624: }
625: untie(%parmhash);
626: } else {
627: $self->logthis('unable to tie '.$filename);
628: }
629: return %parameters;
630: }
631:
632: sub deal_with_export_row {
633: my $self = shift();
634: my @exportarray = @_;
635: $Exportrows{$self->{'symb'}}->{'time'} = time;
636: $Exportrows{$self->{'symb'}}->{$self->{'filename'}} = \@exportarray;
637: #
638: # Save the export data
639: $self->save_export_data();
640: return;
641: }
642:
1.22 matthew 643: sub get_problem_state {
644: my $self = shift;
645: my %student_parameters;
646: if (exists($userdata{$self->{'symb'}}) &&
647: ref($userdata{$self->{'symb'}}) eq 'HASH') {
648: %student_parameters = %{$userdata{$self->{'symb'}}};
649: }
650: return %student_parameters;
651: }
1.21 matthew 652:
1.28 matthew 653: sub determine_parts {
654: my $self = shift;
655: if (exists($self->{'Parts'}) && ref($self->{'Parts'}) eq 'HASH') {
656: return;
657: }
658: my (undef,undef,$url) = &Apache::lonnet::decode_symb($self->{'symb'});
659: my $src = &Apache::lonnet::clutter($url);
660: return if (! defined($src));
661: my %Parts;
662: my $metadata = &Apache::lonnet::metadata($src,'packages');
663: foreach (split(',',$metadata)) {
664: my ($part) = (/^part_(.*)$/);
665: if (defined($part) &&
666: ! &Apache::loncommon::check_if_partid_hidden
667: ($part,$self->{'symb'},$self->{'name'},$self->{'domain'})
668: ) {
669: $Parts{$part}++;
670: }
671: }
672: # Make sure part 0 is defined.
673: $Parts{'0'}++;
674: $self->{'Parts'} = \%Parts;
675: return;
676: }
677:
678: sub parameter_part_is_valid {
679: my $self = shift;
680: my ($parameter) = @_;
681: return 1 if ($parameter eq 'timestamp');
682: if (! defined($self->{'Parts'}) ||
683: ! ref ($self->{'Parts'}) ||
684: ref($self->{'Parts'}) ne 'HASH') {
685: return 1;
686: }
687: #
688: my (undef,$part) =
689: ($parameter =~ m/^(resource|stores|parameter)_([^_]+)_.*/);
690: if (exists($self->{'Parts'}) &&
691: exists($self->{'Parts'}->{$part}) &&
692: $self->{'Parts'}->{$part} ) {
693: return 1;
694: } else {
695: return 0;
696: }
697: }
698:
1.1 matthew 699: sub compute {
700: my $self = shift;
1.19 matthew 701: my ($r) = @_;
702: my $connection = $r->connection();
703: if ($connection->aborted()) { $self->cleanup(); return; }
1.1 matthew 704: $self->initialize_safe_space();
1.11 matthew 705: #########################################
706: #########################################
707: ### ###
708: ### Retrieve the problem parameters ###
709: ### ###
710: #########################################
711: #########################################
712: my @Mandatory_parameters = ("stores_0_solved",
713: "stores_0_awarddetail",
714: "stores_0_awarded",
715: "timestamp",
716: "stores_0_tries",
717: "stores_0_award");
1.1 matthew 718: #
719: # Definitions
720: undef(%nice_parameter_name);
721: my %parameters; # holds underscored parameters by name
722: #
723: # Get the metadata fields and determine their proper names
1.21 matthew 724: my %nice_parm_names = $self->get_parm_names(@Mandatory_parameters);
725: while (my($cleaned_name,$display) = each(%nice_parm_names)) {
1.1 matthew 726: $parameters{$cleaned_name}++;
727: $nice_parameter_name{$cleaned_name} = $display;
728: }
729: #
730: # Get the values of the metadata fields
1.19 matthew 731: if ($connection->aborted()) { $self->cleanup(); return; }
1.22 matthew 732: $self->ensure_current_caches();
1.19 matthew 733: if ($connection->aborted()) { $self->cleanup(); return; }
1.21 matthew 734: %parameters = $self->get_parameter_values(keys(%parameters));
1.19 matthew 735: if ($connection->aborted()) { $self->cleanup(); return; }
1.1 matthew 736: #
737: # Clean out unnecessary parameters
738: foreach (keys(%parameters)) {
739: delete($parameters{$_}) if (! /(resource\.|stores_|parameter_)/);
740: }
741: #
742: # Get the students performance data
1.22 matthew 743: my %student_parameters = $self->get_problem_state();
1.1 matthew 744: while (my ($parm,$value) = each(%student_parameters)) {
745: $parm =~ s/^resource\./stores_/;
746: $parm =~ s/\./_/g;
747: $parameters{$parm} = $value;
1.28 matthew 748: }
749: #
750: # Clean out any bad parameters
751: $self->determine_parts();
752: foreach my $param (keys(%parameters)) {
753: if (! $self->parameter_part_is_valid($param)) {
754: delete ($parameters{$param});
755: }
1.1 matthew 756: }
757: #
758: # Set up the formulas and parameter values
759: my %f=$self->formulas();
760: my %c;
761: #
1.5 matthew 762: # Check for blackout requirements
763: if ((!exists($ENV{'request.role.adv'}) || !$ENV{'request.role.adv'})) {
764: while (my ($parm,$value) = each(%parameters)) {
765: last if ($self->blackout());
766: next if ($parm !~ /^(parameter_.*)_problemstatus$/);
1.24 matthew 767: if ($parameters{$1.'_answerdate'} ne '' &&
1.21 matthew 768: $parameters{$1.'_answerdate'} < time) {
769: next;
770: }
1.5 matthew 771: if (lc($value) eq 'no') {
772: # We must blackout this sheet
773: $self->blackout(1);
774: }
775: }
776: }
1.19 matthew 777: if ($connection->aborted()) { $self->cleanup(); return; }
1.5 matthew 778: #
779: # Move the parameters into the spreadsheet
1.1 matthew 780: while (my ($parm,$value) = each(%parameters)) {
781: my $cell = 'A'.$self->get_row_number_from_key($parm);
782: $f{$cell} = $parm;
1.6 matthew 783: $value = '"'.$value.'"' if ($value =~/[^0-9.]/);
784: $c{$parm} = $value;
1.1 matthew 785: }
1.6 matthew 786: $self->formulas(\%f);
787: $self->constants(\%c);
1.19 matthew 788: if ($connection->aborted()) { $self->cleanup(); return; }
1.1 matthew 789: $self->calcsheet();
790: #
791: # Store export row in cache
792: my @exportarray = $self->exportrow();
1.21 matthew 793: $self->deal_with_export_row(@exportarray);
1.12 matthew 794: $self->save() if ($self->need_to_save());
1.19 matthew 795: if ($connection->aborted()) { $self->cleanup(); return; }
1.1 matthew 796: return;
797: }
798:
799: ##
800: ## sett overrides Spreadsheet::sett
801: ##
802: sub sett {
803: my $self = shift;
804: my %t=();
805: #
806: # Deal with the template row by copying the template formulas into each
807: # row.
808: foreach my $col ($self->template_cells()) {
809: next if ($col=~/^A/);
810: foreach my $row ($self->rows()) {
811: # Get the name of this cell
812: my $cell=$col.$row;
813: # Grab the template declaration
814: $t{$cell}=$self->formula('template_'.$col);
815: # Replace '#' with the row number
816: $t{$cell}=~s/\#/$row/g;
817: # Replace '....' with ','
818: $t{$cell}=~s/\.\.+/\,/g;
819: # Replace 'A0' with the value from 'A0'
820: $t{$cell}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
821: # Replace parameters
822: $t{$cell}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.$self->expandnamed($2)/ge;
823: }
824: }
825: #
826: # Deal with the cells which have formulas
827: while (my ($cell,$formula) = each(%{$self->{'formulas'}})) {
828: next if ($cell =~ /template_/);
829: if ($cell =~ /^A/ && $cell ne 'A0') {
830: if ($formula !~ /^\!/) {
831: $t{$cell}=$self->{'constants'}->{$formula};
832: }
833: } else {
834: $t{$cell}=$formula;
835: $t{$cell}=~s/\.\.+/\,/g;
836: $t{$cell}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
837: $t{$cell}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.$self->expandnamed($2)/ge;
838: }
839: }
840: # Put %t into the safe space
841: %{$self->{'safe'}->varglob('t')}=%t;
842: }
843:
844:
845: ########################################################
846: ########################################################
847:
848: =pod
849:
850: =item &load_cached_export_rows()
851:
852: Retrieves and parsers the export rows of the assessment spreadsheets.
853: These rows are saved in the students directory in the format:
854:
855: sname:sdom:assesscalc:symb.time => time
856:
857: sname:sdom:assesscalc:symb => filename___=___Adata___;___Bdata___;___ ...
858:
859: =cut
860:
861: ########################################################
862: ########################################################
863: sub load_cached_export_rows {
1.18 matthew 864: undef(%Exportrows);
1.1 matthew 865: my @tmp = &Apache::lonnet::dump('nohist_calculatedsheets_'.
866: $ENV{'request.course.id'},
867: $current_domain,$current_name,undef);
868: if ($tmp[0]!~/^error/) {
869: my %tmp = @tmp;
870: my $default_filename = $ENV{'course.'.$ENV{'request.course.id'}.
871: '.spreadsheet_default_assesscalc'};
872: # We only got one key, so we will access it directly.
873: while (my ($key,$sheetdata) = each(%tmp)) {
874: my ($sname,$sdom,$sheettype,$symb) = split(':',$key);
875: if ($symb =~ /\.time$/) {
876: $symb =~ s/\.time$//;
877: $Exportrows{$symb}->{'time'} = $sheetdata;
878: } else {
879: $sheetdata =~ s/^(.*)___=___//;
880: my $filename = $1;
881: $filename = $default_filename if (! defined($filename));
882: my @Data = split('___;___',$sheetdata);
883: $Exportrows{$symb}->{$filename} = \@Data;
884: }
885: }
886: }
887: }
888:
889: #############################################
890: #############################################
891:
892: =pod
893:
894: =item &export_data
895:
896: Returns the export data associated with the spreadsheet. Computes the
897: spreadsheet only if necessary.
898:
899: =cut
900:
901: #############################################
902: #############################################
903: sub export_data {
904: my $self = shift;
1.19 matthew 905: my ($r) = @_;
906: my $connection = $r->connection();
1.1 matthew 907: my $symb = $self->{'symb'};
1.5 matthew 908: if (! exists($ENV{'request.role.adv'}) || ! $ENV{'request.role.adv'} ||
909: ! exists($Exportrows{$symb}) || ! defined($Exportrows{$symb}) ||
1.1 matthew 910: ! $self->check_expiration_time($Exportrows{$symb}->{'time'}) ||
911: ! exists($Exportrows{$symb}->{$self->{'filename'}}) ||
1.18 matthew 912: ! defined($Exportrows{$symb}->{$self->{'filename'}}) ||
913: ! ref($Exportrows{$symb}->{$self->{'filename'}})
914: ) {
1.19 matthew 915: $self->compute($r);
1.1 matthew 916: }
1.19 matthew 917: if ($connection->aborted()) { $self->cleanup(); return; }
1.29 ! matthew 918: my @Data;
! 919: if ($self->badcalc()) {
! 920: @Data = ();
! 921: } else {
! 922: @Data = @{$Exportrows{$symb}->{$self->{'filename'}}};
! 923: if ($Data[0] =~ /^(.*)___=___/) {
! 924: $self->{'sheetname'} = $1;
! 925: $Data[0] =~ s/^(.*)___=___//;
! 926: }
! 927: for (my $i=0;$i<$#Data;$i++) {
! 928: if ($Data[$i]=~/\D/ && defined($Data[$i])) {
! 929: $Data[$i]="'".$Data[$i]."'";
! 930: }
! 931: }
1.1 matthew 932: }
933: return @Data;
934: }
935:
936: #############################################
937: #############################################
938:
939: =pod
940:
941: =item &save_export_data()
942:
943: Writes the export data for this spreadsheet to the students cache.
944:
945: =cut
946:
947: #############################################
948: #############################################
949: sub save_export_data {
950: my $self = shift;
1.7 matthew 951: return if ($self->temporary());
1.1 matthew 952: my $student = $self->{'name'}.':'.$self->{'domain'};
953: my $symb = $self->{'symb'};
1.29 ! matthew 954: if ($self->badcalc()){
! 955: # do not save data away when calculations have not been done properly.
! 956: delete($Exportrows{$symb});
! 957: return;
! 958: }
1.1 matthew 959: if (! exists($Exportrows{$symb}) ||
960: ! exists($Exportrows{$symb}->{$self->{'filename'}})) {
961: return;
962: }
963: my $key = join(':',($self->{'name'},$self->{'domain'},'assesscalc',$symb));
964: my $timekey = $key.'.time';
1.22 matthew 965: my $newstore= join('___;___',
966: map {s/[^[:print:]]//g;$_;} # strip out unprintable
967: @{$Exportrows{$symb}->{$self->{'filename'}}});
1.1 matthew 968: $newstore = $self->{'filename'}.'___=___'.$newstore;
1.22 matthew 969: $newExportrows{$student}->{$key} = $newstore;
970: $newExportrows{$student}->{$timekey} = $Exportrows{$symb}->{'time'};
1.1 matthew 971: return;
972: }
973:
974: 1;
975:
976: __END__
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