1: # The LearningOnline Network with CAPA
2: # Metadata display handler
3: #
4: # $Id: lonmeta.pm,v 1.168 2006/08/10 22:19:06 banghart Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27:
28:
29: package Apache::lonmeta;
30:
31: use strict;
32: use LONCAPA::lonmetadata();
33: use Apache::Constants qw(:common);
34: use Apache::lonnet;
35: use Apache::loncommon();
36: use Apache::lonhtmlcommon();
37: use Apache::lonmsg;
38: use Apache::lonpublisher;
39: use Apache::lonlocal;
40: use Apache::lonmysql;
41: use Apache::lonmsg;
42: use lib '/home/httpd/lib/perl/';
43: use LONCAPA;
44:
45:
46: ############################################################
47: ############################################################
48: ##
49: ## &get_dynamic_metadata_from_sql($url)
50: ##
51: ## Queries sql database for dynamic metdata
52: ## Returns a hash of hashes, with keys of urls which match $url
53: ## Returned fields are given below.
54: ##
55: ## Examples:
56: ##
57: ## %DynamicMetadata = &Apache::lonmeta::get_dynmaic_metadata_from_sql
58: ## ('/res/msu/korte/');
59: ##
60: ## $DynamicMetadata{'/res/msu/korte/example.problem'}->{$field}
61: ##
62: ############################################################
63: ############################################################
64: sub get_dynamic_metadata_from_sql {
65: my ($url) = shift();
66: my ($authordom,$author)=($url=~m:^/res/(\w+)/(\w+)/:);
67: if (! defined($authordom)) {
68: $authordom = shift();
69: }
70: if (! defined($author)) {
71: $author = shift();
72: }
73: if (! defined($authordom) || ! defined($author)) {
74: return ();
75: }
76: my $query = 'SELECT * FROM metadata WHERE url LIKE "'.$url.'%"';
77: my $server = &Apache::lonnet::homeserver($author,$authordom);
78: my $reply = &Apache::lonnet::metadata_query($query,undef,undef,
79: ,[$server]);
80: return () if (! defined($reply) || ref($reply) ne 'HASH');
81: my $filename = $reply->{$server};
82: if (! defined($filename) || $filename =~ /^error/) {
83: return ();
84: }
85: my $max_time = time + 10; # wait 10 seconds for results at most
86: my %ReturnHash;
87: #
88: # Look for results
89: my $finished = 0;
90: while (! $finished && time < $max_time) {
91: my $datafile=$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename;
92: if (! -e "$datafile.end") { next; }
93: my $fh;
94: if (!($fh=Apache::File->new($datafile))) { next; }
95: while (my $result = <$fh>) {
96: chomp($result);
97: next if (! $result);
98: my %hash=&LONCAPA::lonmetadata::metadata_col_to_hash(map { &unescape($_) } split(/\,/,$result));
99: foreach my $key (keys(%hash)) {
100: $ReturnHash{$hash{'url'}}->{$key}=$hash{$key};
101: }
102: }
103: $finished = 1;
104: }
105: #
106: return %ReturnHash;
107: }
108:
109:
110: # Fetch and evaluate dynamic metadata
111: sub dynamicmeta {
112: my $url=&Apache::lonnet::declutter(shift);
113: $url=~s/\.meta$//;
114: my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
115: my $regexp=$url;
116: $regexp=~s/(\W)/\\$1/g;
117: $regexp='___'.$regexp.'___';
118: my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
119: $aauthor,$regexp);
120: my %DynamicData = &LONCAPA::lonmetadata::process_reseval_data(\%evaldata);
121: my %Data = &LONCAPA::lonmetadata::process_dynamic_metadata($url,
122: \%DynamicData);
123: #
124: # Deal with 'count' separately
125: $Data{'count'} = &access_count($url,$aauthor,$adomain);
126: #
127: # Debugging code I will probably need later
128: if (0) {
129: &Apache::lonnet::logthis('Dynamic Metadata');
130: while(my($k,$v)=each(%Data)){
131: &Apache::lonnet::logthis(' "'.$k.'"=>"'.$v.'"');
132: }
133: &Apache::lonnet::logthis('-------------------');
134: }
135: return %Data;
136: }
137:
138: sub access_count {
139: my ($src,$author,$adomain) = @_;
140: my %countdata=&Apache::lonnet::dump('nohist_accesscount',$adomain,
141: $author,$src);
142: if (! exists($countdata{$src})) {
143: return &mt('Not Available');
144: } else {
145: return $countdata{$src};
146: }
147: }
148:
149: # Try to make an alt tag if there is none
150: sub alttag {
151: my ($base,$src)=@_;
152: my $fullpath=&Apache::lonnet::hreflocation($base,$src);
153: my $alttag=&Apache::lonnet::metadata($fullpath,'title').' '.
154: &Apache::lonnet::metadata($fullpath,'subject').' '.
155: &Apache::lonnet::metadata($fullpath,'abstract');
156: $alttag=~s/\s+/ /gs;
157: $alttag=~s/\"//gs;
158: $alttag=~s/\'//gs;
159: $alttag=~s/\s+$//gs;
160: $alttag=~s/^\s+//gs;
161: if ($alttag) {
162: return $alttag;
163: } else {
164: return &mt('No information available');
165: }
166: }
167:
168: # Author display
169: sub authordisplay {
170: my ($aname,$adom)=@_;
171: return &Apache::loncommon::aboutmewrapper
172: (&Apache::loncommon::plainname($aname,$adom),
173: $aname,$adom,'preview').' <tt>['.$aname.':'.$adom.']</tt>';
174: }
175:
176: # Pretty display
177: sub evalgraph {
178: my $value=shift;
179: if (! $value) {
180: return '';
181: }
182: my $val=int($value*10.+0.5)-10;
183: my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
184: if ($val>=20) {
185: $output.='<td width="20" bgcolor="#555555">  </td>';
186: } else {
187: $output.='<td width="'.($val).'" bgcolor="#555555"> </td>'.
188: '<td width="'.(20-$val).'" bgcolor="#FF3333"> </td>';
189: }
190: $output.='<td bgcolor="#FFFF33"> </td>';
191: if ($val>20) {
192: $output.='<td width="'.($val-20).'" bgcolor="#33FF33"> </td>'.
193: '<td width="'.(40-$val).'" bgcolor="#555555"> </td>';
194: } else {
195: $output.='<td width="20" bgcolor="#555555">  </td>';
196: }
197: $output.='<td> ('.sprintf("%5.2f",$value).') </td></tr></table>';
198: return $output;
199: }
200:
201: sub diffgraph {
202: my $value=shift;
203: if (! $value) {
204: return '';
205: }
206: my $val=int(40.0*$value+0.5);
207: my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
208: '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
209: my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
210: for (my $i=0;$i<8;$i++) {
211: if ($val>$i*5) {
212: $output.='<td width="5" bgcolor="'.$colors[$i].'"> </td>';
213: } else {
214: $output.='<td width="5" bgcolor="#555555"> </td>';
215: }
216: }
217: $output.='<td> ('.sprintf("%3.2f",$value).') </td></tr></table>';
218: return $output;
219: }
220:
221:
222: # The field names
223: sub fieldnames {
224: my $file_type=shift;
225: my %fields =
226: ('title' => 'Title',
227: 'author' =>'Author(s)',
228: 'authorspace' => 'Author Space',
229: 'modifyinguser' => 'Last Modifying User',
230: 'subject' => 'Subject',
231: 'standards' => 'Standards',
232: 'keywords' => 'Keyword(s)',
233: 'notes' => 'Notes',
234: 'abstract' => 'Abstract',
235: 'lowestgradelevel' => 'Lowest Grade Level',
236: 'highestgradelevel' => 'Highest Grade Level');
237:
238: if (! defined($file_type) || $file_type ne 'portfolio') {
239: %fields =
240: (%fields,
241: 'courserestricted' => 'Course Restricting Metadata');
242: }
243:
244: if (! defined($file_type) || $file_type ne 'portfolio') {
245: %fields =
246: (%fields,
247: 'domain' => 'Domain',
248: 'mime' => 'MIME Type',
249: 'language' => 'Language',
250: 'creationdate' => 'Creation Date',
251: 'lastrevisiondate' => 'Last Revision Date',
252: 'owner' => 'Publisher/Owner',
253: 'copyright' => 'Copyright/Distribution',
254: 'customdistributionfile' => 'Custom Distribution File',
255: 'sourceavail' => 'Source Available',
256: 'sourcerights' => 'Source Custom Distribution File',
257: 'obsolete' => 'Obsolete',
258: 'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
259: 'count' => 'Network-wide number of accesses (hits)',
260: 'course' => 'Network-wide number of courses using resource',
261: 'course_list' => 'Network-wide courses using resource',
262: 'sequsage' => 'Number of resources using or importing resource',
263: 'sequsage_list' => 'Resources using or importing resource',
264: 'goto' => 'Number of resources that follow this resource in maps',
265: 'goto_list' => 'Resources that follow this resource in maps',
266: 'comefrom' => 'Number of resources that lead up to this resource in maps',
267: 'comefrom_list' => 'Resources that lead up to this resource in maps',
268: 'clear' => 'Material presented in clear way',
269: 'depth' => 'Material covered with sufficient depth',
270: 'helpful' => 'Material is helpful',
271: 'correct' => 'Material appears to be correct',
272: 'technical' => 'Resource is technically correct',
273: 'avetries' => 'Average number of tries till solved',
274: 'stdno' => 'Total number of students who have worked on this problem',
275: 'difficulty' => 'Degree of difficulty',
276: 'disc' => 'Degree of discrimination',
277: 'dependencies' => 'Resources used by this resource',
278: );
279: }
280: return &Apache::lonlocal::texthash(%fields);
281: }
282:
283: sub portfolio_linked_path {
284: my ($path,$group,$port_path) = @_;
285:
286: my $start = 'portfolio';
287: if ($group) {
288: $start = "groups/$group/".$start;
289: }
290: my %anchor_fields = (
291: 'selectfile' => $start,
292: 'currentpath' => '/'
293: );
294: my $result = &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$start);
295: my $fullpath = '/';
296: my (undef,@tree) = split('/',$path);
297: my $filename = pop(@tree);
298: foreach my $dir (@tree) {
299: $fullpath .= $dir.'/';
300: $result .= '/';
301: my %anchor_fields = (
302: 'selectfile' => $dir,
303: 'currentpath' => $fullpath
304: );
305: $result .= &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$dir);
306: }
307: $result .= "/$filename";
308: return $result;
309: }
310:
311: sub get_port_path_and_group {
312: my ($uri)=@_;
313:
314: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
315: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
316:
317: my ($port_path,$group);
318: if ($uri =~ m{^/editupload/\Q$cdom\E/\Q$cnum\E/groups/}) {
319: $group = (split('/',$uri))[5];
320: $port_path = '/adm/coursegrp_portfolio';
321: } else {
322: $port_path = '/adm/portfolio';
323: }
324: if ($env{'form.group'} ne $group) {
325: $env{'form.group'} = $group;
326: }
327: return ($port_path,$group);
328: }
329:
330: sub portfolio_display_uri {
331: my ($uri,$as_links)=@_;
332:
333: my ($port_path,$group) = &get_port_path_and_group($uri);
334:
335: $uri =~ s|.*/(portfolio/.*)$|$1|;
336: my ($res_uri,$meta_uri) = ($uri,$uri);
337: if ($uri =~ /\.meta$/) {
338: $res_uri =~ s/\.meta//;
339: } else {
340: $meta_uri .= '.meta';
341: }
342:
343: my ($path) = ($res_uri =~ m|^portfolio(.*/)[^/]*$|);
344: if ($as_links) {
345: $res_uri = &portfolio_linked_path($res_uri,$group,$port_path);
346: $meta_uri = &portfolio_linked_path($meta_uri,$group,$port_path);
347: }
348: return ($res_uri,$meta_uri,$path);
349: }
350:
351: sub pre_select_course {
352: my ($r,$uri) = @_;
353: my $output;
354: my $fn=&Apache::lonnet::filelocation('',$uri);
355: my ($res_uri,$meta_uri,$path) = &portfolio_display_uri($uri);
356: %Apache::lonpublisher::metadatafields=();
357: %Apache::lonpublisher::metadatakeys=();
358: my $result=&Apache::lonnet::getfile($fn);
359: if ($result == -1){
360: $r->print(&mt('Creating new file [_1]'),$meta_uri);
361: } else {
362: &Apache::lonpublisher::metaeval($result);
363: }
364: $r->print('<hr /><form method="post" action="" >');
365: $r->print('<p>'.&mt('If you would like to associate this resource ([_1]) with a current or previous course, please select one from the list below, otherwise select, \'None\'','<tt>'.$res_uri.'</tt>').'</p>');
366: $output = &select_course();
367: $r->print($output.'<br /><input type="submit" name="store" value="'.
368: &mt('Associate Resource With Selected Course').'" />');
369: $r->print('</form>');
370:
371: my ($port_path,$group) = &get_port_path_and_group($uri);
372: my $group_input;
373: if ($group) {
374: $group_input = '<input type="hidden" name="group" value="'.$group.'" />';
375: }
376: $r->print('<br /><br /><form method="post" action="'.$port_path.'">'.
377: '<input type="hidden" name="currentpath" value="'.$path.'" />'.
378: $group_input.
379: '<input type="submit" name="cancel" value="'.&mt('Cancel').'" />'.
380: '</form>');
381:
382: return;
383: }
384: sub select_course {
385: my $output=$/;
386: my $current_restriction=
387: $Apache::lonpublisher::metadatafields{'courserestricted'};
388: my $selected = ($current_restriction eq 'none' ? 'selected="selected"'
389: : '');
390:
391: $output .= '<select name="new_courserestricted" >';
392: $output .= '<option value="none" '.$selected.'>'.
393: &mt('None').'</option>'.$/;
394: my %courses;
395: foreach my $key (keys(%env)) {
396: if ($key !~ m/^course\.(.+)\.description$/) { next; }
397: my $cid = $1;
398: if ($env{$key} !~ /\S/) { next; }
399: $courses{$key} = $cid;
400: }
401: foreach my $key (sort { lc($env{$a}) cmp lc($env{$b}) } (keys(%courses))) {
402: my $cid = 'course.'.$courses{$key};
403: my $selected = ($current_restriction eq $cid ? 'selected="selected"'
404: : '');
405: if ($env{$key} !~ /\S/) { next; }
406: $output .= '<option value="'.$cid.'" '.$selected.'>';
407: $output .= $env{$key};
408: $output .= '</option>'.$/;
409: $selected = '';
410: }
411: $output .= '</select><br />';
412: return ($output);
413: }
414: # Pretty printing of metadata field
415:
416: sub prettyprint {
417: my ($type,$value,$target,$prefix,$form,$noformat)=@_;
418: # $target,$prefix,$form are optional and for filecrumbs only
419: if (! defined($value)) {
420: return ' ';
421: }
422: # Title
423: if ($type eq 'title') {
424: return '<font size="+1" face="arial">'.$value.'</font>';
425: }
426: # Dates
427: if (($type eq 'creationdate') ||
428: ($type eq 'lastrevisiondate')) {
429: return ($value?&Apache::lonlocal::locallocaltime(
430: &Apache::lonmysql::unsqltime($value)):
431: &mt('not available'));
432: }
433: # Language
434: if ($type eq 'language') {
435: return &Apache::loncommon::languagedescription($value);
436: }
437: # Copyright
438: if ($type eq 'copyright') {
439: return &Apache::loncommon::copyrightdescription($value);
440: }
441: # Copyright
442: if ($type eq 'sourceavail') {
443: return &Apache::loncommon::source_copyrightdescription($value);
444: }
445: # MIME
446: if ($type eq 'mime') {
447: return '<img src="'.&Apache::loncommon::icon($value).'" /> '.
448: &Apache::loncommon::filedescription($value);
449: }
450: # Person
451: if (($type eq 'author') ||
452: ($type eq 'owner') ||
453: ($type eq 'modifyinguser') ||
454: ($type eq 'authorspace')) {
455: $value=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse;
456: return $value;
457: }
458: # Gradelevel
459: if (($type eq 'lowestgradelevel') ||
460: ($type eq 'highestgradelevel')) {
461: return &Apache::loncommon::gradeleveldescription($value);
462: }
463: # Only for advance users below
464: if (! $env{'user.adv'}) {
465: return '<i>- '.&mt('not displayed').' -</i>';
466: }
467: # File
468: if (($type eq 'customdistributionfile') ||
469: ($type eq 'obsoletereplacement') ||
470: ($type eq 'goto_list') ||
471: ($type eq 'comefrom_list') ||
472: ($type eq 'sequsage_list') ||
473: ($type eq 'dependencies')) {
474: return '<font size="-1"><ul>'.join("\n",map {
475: my $url = &Apache::lonnet::clutter($_);
476: my $title = &Apache::lonnet::gettitle($url);
477: if ($title eq '') {
478: $title = 'Untitled';
479: if ($url =~ /\.sequence$/) {
480: $title .= ' Sequence';
481: } elsif ($url =~ /\.page$/) {
482: $title .= ' Page';
483: } elsif ($url =~ /\.problem$/) {
484: $title .= ' Problem';
485: } elsif ($url =~ /\.html$/) {
486: $title .= ' HTML document';
487: } elsif ($url =~ m:/syllabus$:) {
488: $title .= ' Syllabus';
489: }
490: }
491: $_ = '<li>'.$title.' '.
492: &Apache::lonhtmlcommon::crumbs($url,$target,$prefix,$form,'-1',$noformat).
493: '</li>'
494: } split(/\s*\,\s*/,$value)).'</ul></font>';
495: }
496: # Evaluations
497: if (($type eq 'clear') ||
498: ($type eq 'depth') ||
499: ($type eq 'helpful') ||
500: ($type eq 'correct') ||
501: ($type eq 'technical')) {
502: return &evalgraph($value);
503: }
504: # Difficulty
505: if ($type eq 'difficulty' || $type eq 'disc') {
506: return &diffgraph($value);
507: }
508: # List of courses
509: if ($type=~/\_list/) {
510: my @Courses = split(/\s*\,\s*/,$value);
511: my $Str='<font size="-1"><ul>';
512: foreach my $course (@Courses) {
513: my %courseinfo =
514: &Apache::lonnet::coursedescription($course,
515: {'one_time' => 1});
516: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
517: next;
518: }
519: $Str .= '<li><a href="/public/'.$courseinfo{'domain'}.'/'.
520: $courseinfo{'num'}.'/syllabus" target="preview">'.
521: $courseinfo{'description'}.'</a></li>';
522: }
523: return $Str.'</ul></font>';
524: }
525: # No pretty print found
526: return $value;
527: }
528:
529: # Pretty input of metadata field
530: sub direct {
531: return shift;
532: }
533:
534: sub selectbox {
535: my ($name,$value,$functionref,@idlist)=@_;
536: if (! defined($functionref)) {
537: $functionref=\&direct;
538: }
539: my $selout='<select name="'.$name.'">';
540: foreach (@idlist) {
541: $selout.='<option value=\''.$_.'\'';
542: if ($_ eq $value) {
543: $selout.=' selected>'.&{$functionref}($_).'</option>';
544: }
545: else {$selout.='>'.&{$functionref}($_).'</option>';}
546: }
547: return $selout.'</select>';
548: }
549:
550: sub relatedfield {
551: my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
552: if (! $relatedsearchflag) {
553: return '';
554: }
555: if (! defined($relatedsep)) {
556: $relatedsep=' ';
557: }
558: if (! $show) {
559: return $relatedsep.' ';
560: }
561: return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
562: ($relatedvalue?' checked="1"':'').' />';
563: }
564:
565: sub prettyinput {
566: my ($type,$value,$fieldname,$formname,
567: $relatedsearchflag,$relatedsep,$relatedvalue,$size,$course_key)=@_;
568: if (! defined($size)) {
569: $size = 80;
570: }
571: my $output;
572: if (defined($course_key)
573: && exists($env{$course_key.'.metadata.'.$type.'.options'})) {
574: my $stu_add;
575: my $only_one;
576: my %meta_options;
577: my @cur_values_inst;
578: my $cur_values_stu;
579: my $values = $env{$course_key.'.metadata.'.$type.'.values'};
580: if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/stuadd/) {
581: $stu_add = 'true';
582: }
583: if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/onlyone/) {
584: $only_one = 'true';
585: }
586: # need to take instructor values out of list where instructor and student
587: # values may be mixed.
588: if ($values) {
589: foreach my $item (split(/,/,$values)) {
590: $item =~ s/^\s+//;
591: $meta_options{$item} = $item;
592: }
593: foreach my $item (split(/,/,$value)) {
594: $item =~ s/^\s+//;
595: if ($meta_options{$item}) {
596: push(@cur_values_inst,$item);
597: } else {
598: $cur_values_stu .= $item.',';
599: }
600: }
601: } else {
602: $cur_values_stu = $value;
603: }
604: if ($type eq 'courserestricted') {
605: return (&select_course());
606: # return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
607: }
608: if (($type eq 'keywords') || ($type eq 'subject')
609: || ($type eq 'author')||($type eq 'notes')
610: || ($type eq 'abstract')|| ($type eq 'title')|| ($type eq 'standards')) {
611: if ($values) {
612: if ($only_one) {
613: $output .= (&Apache::loncommon::select_form($cur_values_inst[0],'new_'.$type,%meta_options));
614: } else {
615: $output .= (&Apache::loncommon::multiple_select_form('new_'.$type,\@cur_values_inst,undef,\%meta_options));
616: }
617: }
618: if ($stu_add) {
619: $output .= '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
620: 'value="'.$cur_values_stu.'" />'.
621: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
622: $relatedvalue);
623: }
624: return ($output);
625: }
626: if (($type eq 'lowestgradelevel') ||
627: ($type eq 'highestgradelevel')) {
628: return &Apache::loncommon::select_level_form($value,$fieldname).
629: &relatedfield(0,$relatedsearchflag,$relatedsep);
630: }
631: return();
632: }
633: # Language
634: if ($type eq 'language') {
635: return &selectbox($fieldname,
636: $value,
637: \&Apache::loncommon::languagedescription,
638: (&Apache::loncommon::languageids)).
639: &relatedfield(0,$relatedsearchflag,$relatedsep);
640: }
641: # Copyright
642: if ($type eq 'copyright') {
643: return &selectbox($fieldname,
644: $value,
645: \&Apache::loncommon::copyrightdescription,
646: (&Apache::loncommon::copyrightids)).
647: &relatedfield(0,$relatedsearchflag,$relatedsep);
648: }
649: # Source Copyright
650: if ($type eq 'sourceavail') {
651: return &selectbox($fieldname,
652: $value,
653: \&Apache::loncommon::source_copyrightdescription,
654: (&Apache::loncommon::source_copyrightids)).
655: &relatedfield(0,$relatedsearchflag,$relatedsep);
656: }
657: # Gradelevels
658: if (($type eq 'lowestgradelevel') ||
659: ($type eq 'highestgradelevel')) {
660: return &Apache::loncommon::select_level_form($value,$fieldname).
661: &relatedfield(0,$relatedsearchflag,$relatedsep);
662: }
663: # Obsolete
664: if ($type eq 'obsolete') {
665: return '<input type="checkbox" name="'.$fieldname.'"'.
666: ($value?' checked="1"':'').' />'.
667: &relatedfield(0,$relatedsearchflag,$relatedsep);
668: }
669: # Obsolete replacement file
670: if ($type eq 'obsoletereplacement') {
671: return '<input type="text" name="'.$fieldname.
672: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
673: "('".$formname."','".$fieldname."'".
674: ",'')\">".&mt('Select').'</a>'.
675: &relatedfield(0,$relatedsearchflag,$relatedsep);
676: }
677: # Customdistribution file
678: if ($type eq 'customdistributionfile') {
679: return '<input type="text" name="'.$fieldname.
680: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
681: "('".$formname."','".$fieldname."'".
682: ",'rights')\">".&mt('Select').'</a>'.
683: &relatedfield(0,$relatedsearchflag,$relatedsep);
684: }
685: # Source Customdistribution file
686: if ($type eq 'sourcerights') {
687: return '<input type="text" name="'.$fieldname.
688: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
689: "('".$formname."','".$fieldname."'".
690: ",'rights')\">".&mt('Select').'</a>'.
691: &relatedfield(0,$relatedsearchflag,$relatedsep);
692: }
693: if ($type eq 'courserestricted') {
694: return (&select_course());
695: #return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
696: }
697:
698: # Dates
699: if (($type eq 'creationdate') ||
700: ($type eq 'lastrevisiondate')) {
701: return
702: &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
703: &relatedfield(0,$relatedsearchflag,$relatedsep);
704: }
705: # No pretty input found
706: $value=~s/^\s+//gs;
707: $value=~s/\s+$//gs;
708: $value=~s/\s+/ /gs;
709: $value=~s/\"/\"\;/gs;
710: return
711: '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
712: 'value="'.$value.'" />'.
713: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
714: $relatedvalue);
715: }
716:
717: # Main Handler
718: sub handler {
719: my $r=shift;
720: #
721: my $uri=$r->uri;
722: #
723: # Set document type
724: &Apache::loncommon::content_type($r,'text/html');
725: $r->send_http_header;
726: return OK if $r->header_only;
727: #
728: my ($resdomain,$resuser)=
729: (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
730: if ($uri=~m:/adm/bombs/(.*)$:) {
731: $r->print(&Apache::loncommon::start_page('Error Messages'));
732: # Looking for all bombs?
733: &report_bombs($r,$uri);
734: } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/portfolio/|) {
735: ($resdomain,$resuser)=
736: (&Apache::lonnet::declutter($uri)=~m|^(\w+)/(\w+)/portfolio|);
737: $r->print(&Apache::loncommon::start_page('Edit Portfolio File Catalog Information',
738: undef,
739: {'domain' => $resdomain,}));
740: if ($env{'form.store'}) {
741: &present_editable_metadata($r,$uri,'portfolio');
742: } else {
743: &pre_select_course($r,$uri);
744: }
745: } elsif ($uri=~m|^/~|) {
746: # Construction space
747: $r->print(&Apache::loncommon::start_page('Edit Catalog nformation',
748: undef,
749: {'domain' => $resdomain,}));
750: &present_editable_metadata($r,$uri);
751: } else {
752: $r->print(&Apache::loncommon::start_page('Catalog Information',
753: undef,
754: {'domain' => $resdomain,}));
755: &present_uneditable_metadata($r,$uri);
756: }
757: $r->print(&Apache::loncommon::end_page());
758: return OK;
759: }
760:
761: #####################################################
762: #####################################################
763: ### ###
764: ### Report Bombs ###
765: ### ###
766: #####################################################
767: #####################################################
768: sub report_bombs {
769: my ($r,$uri) = @_;
770: # Set document type
771: $uri =~ s:/adm/bombs/::;
772: $uri = &Apache::lonnet::declutter($uri);
773: $r->print('<h1>'.&Apache::lonnet::clutter($uri).'</h1>');
774: my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//);
775: if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) {
776: if ($env{'form.clearbombs'}) {
777: &Apache::lonmsg::clear_author_res_msg($uri);
778: }
779: my $clear=&mt('Clear all Messages in Subdirectory');
780: $r->print(<<ENDCLEAR);
781: <form method="post">
782: <input type="submit" name="clearbombs" value="$clear" />
783: </form>
784: ENDCLEAR
785: my %brokenurls =
786: &Apache::lonmsg::all_url_author_res_msg($author,$domain);
787: foreach (sort(keys(%brokenurls))) {
788: if ($_=~/^\Q$uri\E/) {
789: $r->print
790: ('<a href="'.&Apache::lonnet::clutter($_).'">'.$_.'</a>'.
791: &Apache::lonmsg::retrieve_author_res_msg($_).
792: '<hr />');
793: }
794: }
795: } else {
796: $r->print(&mt('Not authorized'));
797: }
798: return;
799: }
800:
801: #####################################################
802: #####################################################
803: ### ###
804: ### Uneditable Metadata Display ###
805: ### ###
806: #####################################################
807: #####################################################
808: sub present_uneditable_metadata {
809: my ($r,$uri) = @_;
810: #
811: my $uploaded = ($uri =~ m|/uploaded/|);
812: my %content=();
813: # Read file
814: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
815: $content{$_}=&Apache::lonnet::metadata($uri,$_);
816: }
817: # Render Output
818: # displayed url
819: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
820: $uri=~s/\.meta$//;
821: my $disuri=&Apache::lonnet::clutter($uri);
822: $disuri=~s/^\/adm\/wrapper//;
823: # version
824: my $versiondisplay='';
825: if (!$uploaded) {
826: my $currentversion=&Apache::lonnet::getversion($disuri);
827: if ($thisversion) {
828: $versiondisplay=&mt('Version').': '.$thisversion.
829: ' ('.&mt('most recent version').': '.
830: ($currentversion>0 ?
831: $currentversion :
832: &mt('information not available')).')';
833: } else {
834: $versiondisplay='Version: '.$currentversion;
835: }
836: }
837: # crumbify displayed URL uri target prefix form size
838: $disuri=&Apache::lonhtmlcommon::crumbs($disuri,undef, undef, undef,'+1');
839: $disuri =~ s:<br />::g;
840: # obsolete
841: my $obsolete=$content{'obsolete'};
842: my $obsoletewarning='';
843: if (($obsolete) && ($env{'user.adv'})) {
844: $obsoletewarning='<p><font color="red">'.
845: &mt('This resource has been marked obsolete by the author(s)').
846: '</font></p>';
847: }
848: #
849: my %lt=&fieldnames();
850: my $table='';
851: my $title = $content{'title'};
852: if (! defined($title)) {
853: $title = 'Untitled Resource';
854: }
855: my @fields;
856: if ($uploaded) {
857: @fields = ('title','author','subject','keywords','notes','abstract',
858: 'lowestgradelevel','highestgradelevel','standards','mime',
859: 'owner');
860: } else {
861: @fields = ('title',
862: 'author',
863: 'subject',
864: 'keywords',
865: 'notes',
866: 'abstract',
867: 'lowestgradelevel',
868: 'highestgradelevel',
869: 'standards',
870: 'mime',
871: 'language',
872: 'creationdate',
873: 'lastrevisiondate',
874: 'owner',
875: 'copyright',
876: 'customdistributionfile',
877: 'sourceavail',
878: 'sourcerights',
879: 'obsolete',
880: 'obsoletereplacement');
881: }
882: foreach my $field (@fields) {
883: $table.='<tr><td bgcolor="#AAAAAA">'.$lt{$field}.
884: '</td><td bgcolor="#CCCCCC">'.
885: &prettyprint($field,$content{$field}).'</td></tr>';
886: delete($content{$field});
887: }
888: #
889: $r->print(<<ENDHEAD);
890: <h2>$title</h2>
891: <p>
892: $disuri<br />
893: $obsoletewarning
894: $versiondisplay
895: </p>
896: <table cellspacing="2" border="0">
897: $table
898: </table>
899: ENDHEAD
900: if (!$uploaded && $env{'user.adv'}) {
901: &print_dynamic_metadata($r,$uri,\%content);
902: }
903: return;
904: }
905:
906: sub print_dynamic_metadata {
907: my ($r,$uri,$content) = @_;
908: #
909: my %content = %$content;
910: my %lt=&fieldnames();
911: #
912: my $description = 'Dynamic Metadata (updated periodically)';
913: $r->print('<h3>'.&mt($description).'</h3>'.
914: &mt('Processing'));
915: $r->rflush();
916: my %items=&fieldnames();
917: my %dynmeta=&dynamicmeta($uri);
918: #
919: # General Access and Usage Statistics
920: if (exists($dynmeta{'count'}) ||
921: exists($dynmeta{'sequsage'}) ||
922: exists($dynmeta{'comefrom'}) ||
923: exists($dynmeta{'goto'}) ||
924: exists($dynmeta{'course'})) {
925: $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>'.
926: '<table cellspacing="2" border="0">');
927: foreach ('count',
928: 'sequsage','sequsage_list',
929: 'comefrom','comefrom_list',
930: 'goto','goto_list',
931: 'course','course_list') {
932: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
933: '<td bgcolor="#CCCCCC">'.
934: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
935: }
936: $r->print('</table>');
937: } else {
938: $r->print('<h4>'.&mt('No Access or Usages Statistics are available for this resource.').'</h4>');
939: }
940: #
941: # Assessment statistics
942: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)$/) {
943: if (exists($dynmeta{'stdno'}) ||
944: exists($dynmeta{'avetries'}) ||
945: exists($dynmeta{'difficulty'}) ||
946: exists($dynmeta{'disc'})) {
947: # This is an assessment, print assessment data
948: $r->print('<h4>'.
949: &mt('Overall Assessment Statistical Data').
950: '</h4>'.
951: '<table cellspacing="2" border="0">');
952: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{'stdno'}.'</td>'.
953: '<td bgcolor="#CCCCCC">'.
954: &prettyprint('stdno',$dynmeta{'stdno'}).
955: '</td>'."</tr>\n");
956: foreach ('avetries','difficulty','disc') {
957: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
958: '<td bgcolor="#CCCCCC">'.
959: &prettyprint($_,sprintf('%5.2f',$dynmeta{$_})).
960: '</td>'."</tr>\n");
961: }
962: $r->print('</table>');
963: }
964: if (exists($dynmeta{'stats'})) {
965: #
966: # New assessment statistics
967: $r->print('<h4>'.
968: &mt('Detailed Assessment Statistical Data').
969: '</h4>');
970: my $table = '<table cellspacing="2" border="0">'.
971: '<tr>'.
972: '<th>Course</th>'.
973: '<th>Section(s)</th>'.
974: '<th>Num Students</th>'.
975: '<th>Mean Tries</th>'.
976: '<th>Degree of Difficulty</th>'.
977: '<th>Degree of Discrimination</th>'.
978: '<th>Time of computation</th>'.
979: '</tr>'.$/;
980: foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) {
981: my $data = $dynmeta{'stats'}->{$identifier};
982: my $course = $data->{'course'};
983: my %courseinfo =
984: &Apache::lonnet::coursedescription($course,
985: {'one_time' => 1});
986: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
987: &Apache::lonnet::logthis('lookup for '.$course.' failed');
988: next;
989: }
990: $table .= '<tr>';
991: $table .=
992: '<td><nobr>'.$courseinfo{'description'}.'</nobr></td>';
993: $table .=
994: '<td align="right">'.$data->{'sections'}.'</td>';
995: $table .=
996: '<td align="right">'.$data->{'stdno'}.'</td>';
997: foreach ('avetries','difficulty','disc') {
998: $table .= '<td align="right">';
999: if (exists($data->{$_})) {
1000: $table .= sprintf('%.2f',$data->{$_}).' ';
1001: } else {
1002: $table .= '';
1003: }
1004: $table .= '</td>';
1005: }
1006: $table .=
1007: '<td><nobr>'.
1008: &Apache::lonlocal::locallocaltime($data->{'timestamp'}).
1009: '</nobr></td>';
1010: $table .=
1011: '</tr>'.$/;
1012: }
1013: $table .= '</table>'.$/;
1014: $r->print($table);
1015: } else {
1016: $r->print('No new dynamic data found.');
1017: }
1018: } else {
1019: $r->print('<h4>'.
1020: &mt('No Assessment Statistical Data is available for this resource').
1021: '</h4>');
1022: }
1023:
1024: #
1025: #
1026: if (exists($dynmeta{'clear'}) ||
1027: exists($dynmeta{'depth'}) ||
1028: exists($dynmeta{'helpful'}) ||
1029: exists($dynmeta{'correct'}) ||
1030: exists($dynmeta{'technical'})){
1031: $r->print('<h4>'.&mt('Evaluation Data').'</h4>'.
1032: '<table cellspacing="2" border="0">');
1033: foreach ('clear','depth','helpful','correct','technical') {
1034: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
1035: '<td bgcolor="#CCCCCC">'.
1036: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
1037: }
1038: $r->print('</table>');
1039: } else {
1040: $r->print('<h4>'.&mt('No Evaluation Data is available for this resource.').'</h4>');
1041: }
1042: $uri=~/^\/res\/(\w+)\/(\w+)\//;
1043: if ((($env{'user.domain'} eq $1) && ($env{'user.name'} eq $2))
1044: || ($env{'user.role.ca./'.$1.'/'.$2})) {
1045: if (exists($dynmeta{'comments'})) {
1046: $r->print('<h4>'.&mt('Evaluation Comments').' ('.
1047: &mt('visible to author and co-authors only').
1048: ')</h4>'.
1049: '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
1050: } else {
1051: $r->print('<h4>'.&mt('There are no Evaluation Comments on this resource.').'</h4>');
1052: }
1053: my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri);
1054: if (defined($bombs) && $bombs ne '') {
1055: $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
1056: &mt('visible to author and co-authors only').')'.
1057: '</h4>'.$bombs);
1058: } else {
1059: $r->print('<h4>'.&mt('There are currently no Error Messages for this resource.').'</h4>');
1060: }
1061: }
1062: #
1063: # All other stuff
1064: $r->print('<h3>'.
1065: &mt('Additional Metadata (non-standard, parameters, exports)').
1066: '</h3><table border="0" cellspacing="1">');
1067: foreach (sort(keys(%content))) {
1068: my $name=$_;
1069: if ($name!~/\.display$/) {
1070: my $display=&Apache::lonnet::metadata($uri,
1071: $name.'.display');
1072: if (! $display) {
1073: $display=$name;
1074: };
1075: my $otherinfo='';
1076: foreach ('name','part','type','default') {
1077: if (defined(&Apache::lonnet::metadata($uri,
1078: $name.'.'.$_))) {
1079: $otherinfo.=' '.$_.'='.
1080: &Apache::lonnet::metadata($uri,
1081: $name.'.'.$_).'; ';
1082: }
1083: }
1084: $r->print('<tr><td bgcolor="#bbccbb"><font size="-1" color="#556655">'.$display.'</font></td><td bgcolor="#ccddcc"><font size="-1" color="#556655">'.$content{$name});
1085: if ($otherinfo) {
1086: $r->print(' ('.$otherinfo.')');
1087: }
1088: $r->print("</font></td></tr>\n");
1089: }
1090: }
1091: $r->print("</table>");
1092: return;
1093: }
1094:
1095:
1096:
1097: #####################################################
1098: #####################################################
1099: ### ###
1100: ### Editable metadata display ###
1101: ### ###
1102: #####################################################
1103: #####################################################
1104: sub present_editable_metadata {
1105: my ($r,$uri, $file_type) = @_;
1106: # Construction Space Call
1107: # Header
1108: my $disuri=$uri;
1109: my $fn=&Apache::lonnet::filelocation('',$uri);
1110: $disuri=~s{^/\~}{/priv/};
1111: $disuri=~s/\.meta$//;
1112: my $meta_uri = $disuri;
1113: my $path;
1114: if ($disuri =~ m|/portfolio/|) {
1115: ($disuri, $meta_uri, $path) = &portfolio_display_uri($disuri,1);
1116: }
1117: my $target=$uri;
1118: $target=~s{^/\~}{/res/$env{'request.role.domain'}/};
1119: $target=~s/\.meta$//;
1120: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
1121: if ($bombs) {
1122: my $showdel=1;
1123: if ($env{'form.delmsg'}) {
1124: if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
1125: $bombs=&mt('Messages deleted.');
1126: $showdel=0;
1127: } else {
1128: $bombs=&mt('Error deleting messages');
1129: }
1130: }
1131: if ($env{'form.clearmsg'}) {
1132: my $cleardir=$target;
1133: $cleardir=~s/\/[^\/]+$/\//;
1134: if (&Apache::lonmsg::clear_author_res_msg($cleardir) eq 'ok') {
1135: $bombs=&mt('Messages cleared.');
1136: $showdel=0;
1137: } else {
1138: $bombs=&mt('Error clearing messages');
1139: }
1140: }
1141: my $del=&mt('Delete Messages for this Resource');
1142: my $clear=&mt('Clear all Messages in Subdirectory');
1143: my $goback=&mt('Back to Source File');
1144: $r->print(<<ENDBOMBS);
1145: <h1>$disuri</h1>
1146: <form method="post" name="defaultmeta">
1147: ENDBOMBS
1148: if ($showdel) {
1149: $r->print(<<ENDDEL);
1150: <input type="submit" name="delmsg" value="$del" />
1151: <input type="submit" name="clearmsg" value="$clear" />
1152: ENDDEL
1153: } else {
1154: $r->print('<a href="'.$disuri.'" />'.$goback.'</a>');
1155: }
1156: $r->print('<br />'.$bombs);
1157: } else {
1158: my $displayfile='Catalog Information for '.$disuri;
1159: if ($disuri=~/\/default$/) {
1160: my $dir=$disuri;
1161: $dir=~s/default$//;
1162: $displayfile=
1163: &mt('Default Cataloging Information for Directory').' '.
1164: $dir;
1165: }
1166: %Apache::lonpublisher::metadatafields=();
1167: %Apache::lonpublisher::metadatakeys=();
1168: my $result=&Apache::lonnet::getfile($fn);
1169: if ($result == -1){
1170: $r->print(&mt('Creating new file [_1]'),$meta_uri);
1171: } else {
1172: &Apache::lonpublisher::metaeval($result);
1173: }
1174: $r->print(<<ENDEDIT);
1175: <h1>$displayfile</h1>
1176: <form method="post" name="defaultmeta">
1177: ENDEDIT
1178: $r->print('<script language="JavaScript">'.
1179: &Apache::loncommon::browser_and_searcher_javascript().
1180: '</script>');
1181: my %lt=&fieldnames($file_type);
1182: my $output;
1183: my @fields;
1184: if ($file_type eq 'portfolio') {
1185: @fields = ('author','title','subject','keywords','abstract',
1186: 'notes','lowestgradelevel',
1187: 'highestgradelevel','standards');
1188: } else {
1189: @fields = ('author','title','subject','keywords','abstract','notes',
1190: 'copyright','customdistributionfile','language',
1191: 'standards',
1192: 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
1193: 'obsolete','obsoletereplacement');
1194: }
1195: if ((! $Apache::lonpublisher::metadatafields{'courserestricted'}) &&
1196: (! $env{'form.new_courserestricted'})) {
1197: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1198: 'none';
1199: } elsif ($env{'form.new_courserestricted'}) {
1200: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1201: $env{'form.new_courserestricted'};
1202: }
1203: if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
1204: $Apache::lonpublisher::metadatafields{'copyright'}=
1205: 'default';
1206: }
1207: if ($file_type eq 'portfolio') {
1208: if (! $Apache::lonpublisher::metadatafields{'mime'}) {
1209: ($Apache::lonpublisher::metadatafields{'mime'}) =
1210: ( $target=~/\.(\w+)$/ );
1211: }
1212: if (! $Apache::lonpublisher::metadatafields{'owner'}) {
1213: $Apache::lonpublisher::metadatafields{'owner'} =
1214: $env{'user.name'}.':'.$env{'user.domain'};
1215: }
1216:
1217: if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none') {
1218: $r->print(&mt('Associated with course [_1]','<strong>'.$env{$Apache::lonpublisher::metadatafields{'courserestricted'}.".description"}.
1219: '</strong>').'<br />');
1220: } else {
1221: $r->print("This resource is not associated with a course.<br />");
1222: }
1223: }
1224: foreach my $field_name (@fields) {
1225:
1226: if (defined($env{'form.new_'.$field_name})) {
1227: $Apache::lonpublisher::metadatafields{$field_name}=
1228: join(',',&Apache::loncommon::get_env_multiple('form.new_'.$field_name));
1229: }
1230: if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none'
1231: && exists($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'})) {
1232: # handle restrictions here
1233: if (($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/active/) ||
1234: ($field_name eq 'courserestricted')){
1235: $output.=("\n".'<p>'.$lt{$field_name}.': '.
1236: &prettyinput($field_name,
1237: $Apache::lonpublisher::metadatafields{$field_name},
1238: 'new_'.$field_name,'defaultmeta',
1239: undef,undef,undef,undef,
1240: $Apache::lonpublisher::metadatafields{'courserestricted'}).'</p>'."\n");
1241: }
1242: } else {
1243:
1244: $output.=('<p>'.$lt{$field_name}.': '.
1245: &prettyinput($field_name,
1246: $Apache::lonpublisher::metadatafields{$field_name},
1247: 'new_'.$field_name,'defaultmeta').'</p>');
1248:
1249: }
1250: }
1251: if ($env{'form.store'}) {
1252: my $mfh;
1253: my $formname='store';
1254: my $file_content;
1255: if (&Apache::loncommon::get_env_multiple('form.new_keywords')) {
1256: $Apache::lonpublisher::metadatafields{'keywords'} =
1257: join (',', &Apache::loncommon::get_env_multiple('form.new_keywords'));
1258: }
1259:
1260: foreach (sort keys %Apache::lonpublisher::metadatafields) {
1261: next if ($_ =~ /\./);
1262: my $unikey=$_;
1263: $unikey=~/^([A-Za-z]+)/;
1264: my $tag=$1;
1265: $tag=~tr/A-Z/a-z/;
1266: $file_content.= "\n\<$tag";
1267: foreach (split(/\,/,
1268: $Apache::lonpublisher::metadatakeys{$unikey})
1269: ) {
1270: my $value=
1271: $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
1272: $value=~s/\"/\'\'/g;
1273: $file_content.=' '.$_.'="'.$value.'"' ;
1274: # print $mfh ' '.$_.'="'.$value.'"';
1275: }
1276: $file_content.= '>'.
1277: &HTML::Entities::encode
1278: ($Apache::lonpublisher::metadatafields{$unikey},
1279: '<>&"').
1280: '</'.$tag.'>';
1281: }
1282: if ($fn =~ m|^$Apache::lonnet::perlvar{'lonDocRoot'}/userfiles/portfolio/|) {
1283: my ($path, $new_fn) = ($fn =~ m|/(portfolio.*)/([^/]*)$|);
1284: $r->print(&store_portfolio_metadata($formname,$file_content,$path,
1285: $new_fn));
1286: } elsif ($fn =~ m|^$Apache::lonnet::perlvar{'lonDocRoot'}/userfiles/groups/\w+/portfolio/|) {
1287: my ($path, $new_fn) = ($fn =~ m|/(groups/\w+/portfolio.*)/([^/]*)$|);
1288: $r->print(&store_portfolio_metadata($formname,$file_content,$path,$new_fn));
1289: } else {
1290: if (! ($mfh=Apache::File->new('>'.$fn))) {
1291: $r->print('<p><font color="red">'.
1292: &mt('Could not write metadata').', '.
1293: &mt('FAIL').'</font></p>');
1294: } else {
1295: print $mfh $file_content;
1296: $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
1297: ' '.&Apache::lonlocal::locallocaltime(time).
1298: '</font></p>');
1299: }
1300: }
1301: }
1302:
1303: $r->print($output.'<br /><input type="submit" name="store" value="'.
1304: &mt('Store Catalog Information').'">');
1305:
1306: if ($file_type eq 'portfolio') {
1307: my ($port_path,$group) = &get_port_path_and_group($uri);
1308: if ($group) {
1309: $r->print('<input type="hidden" name="group" value="'.$group.'" />');
1310: }
1311: $r->print('</form>
1312: <br /><br /><form method="POST" action="'.$port_path.'">'.
1313: '<input type="hidden" name="group" value="'.$group.'" />'.
1314: '<input type="hidden" name="currentpath" value="'.$path.'" />'.
1315: '<input type="submit" name="cancel" value="'.&mt('Discard Edits and Return to Portfolio').'">');
1316: }
1317: }
1318:
1319: $r->print('</form>');
1320:
1321: return;
1322: }
1323:
1324: sub store_portfolio_metadata {
1325: my ($formname,$content,$path,$new_fn) = @_;
1326: $env{'form.'.$formname}=$content."\n";
1327: $env{'form.'.$formname.'.filename'}=$new_fn;
1328: my $result =&Apache::lonnet::userfileupload($formname,'',$path);
1329: if ($result =~ /(error|notfound)/) {
1330: return '<p><font color="red">'.
1331: &mt('Could not write metadata').', '.
1332: &mt('FAIL').'</font></p>';
1333: } else {
1334: return '<p><font color="blue">'.&mt('Wrote Metadata').
1335: ' '.&Apache::lonlocal::locallocaltime(time).'</font></p>';
1336: }
1337: }
1338:
1339: 1;
1340: __END__
1341:
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