Annotation of loncom/interface/lonmeta.pm, revision 1.103
1.1 www 1: # The LearningOnline Network with CAPA
1.8 albertel 2: # Metadata display handler
3: #
1.103 ! banghart 4: # $Id: lonmeta.pm,v 1.102 2005/08/02 21:35:10 banghart Exp $
1.8 albertel 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.
1.1 www 14: #
1.8 albertel 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: #
1.100 banghart 20: # You should have received a copy of the GNU General Public License
1.8 albertel 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/
1.44 www 27:
1.1 www 28:
29: package Apache::lonmeta;
30:
31: use strict;
1.63 matthew 32: use LONCAPA::lonmetadata();
1.1 www 33: use Apache::Constants qw(:common);
1.96 albertel 34: use Apache::lonnet;
1.10 www 35: use Apache::loncommon();
1.100 banghart 36: use Apache::lonhtmlcommon();
1.23 www 37: use Apache::lonmsg;
38: use Apache::lonpublisher;
1.35 www 39: use Apache::lonlocal;
1.43 www 40: use Apache::lonmysql;
1.49 www 41: use Apache::lonmsg;
1.1 www 42:
1.44 www 43:
1.80 matthew 44: ############################################################
45: ############################################################
46: ##
47: ## &get_dynamic_metadata_from_sql($url)
48: ##
49: ## Queries sql database for dynamic metdata
50: ## Returns a hash of hashes, with keys of urls which match $url
51: ## Returned fields are given below.
52: ##
53: ## Examples:
54: ##
55: ## %DynamicMetadata = &Apache::lonmeta::get_dynmaic_metadata_from_sql
56: ## ('/res/msu/korte/');
57: ##
58: ## $DynamicMetadata{'/res/msu/korte/example.problem'}->{$field}
59: ##
60: ############################################################
61: ############################################################
62: sub get_dynamic_metadata_from_sql {
63: my ($url) = shift();
64: my ($authordom,$author)=($url=~m:^/res/(\w+)/(\w+)/:);
65: if (! defined($authordom)) {
66: $authordom = shift();
67: }
68: if (! defined($author)) {
69: $author = shift();
70: }
71: if (! defined($authordom) || ! defined($author)) {
72: return ();
73: }
1.83 www 74: my @Fields = ('url','count','course',
1.80 matthew 75: 'goto','goto_list',
76: 'comefrom','comefrom_list',
77: 'sequsage','sequsage_list',
78: 'stdno','stdno_list',
1.83 www 79: 'dependencies',
1.80 matthew 80: 'avetries','avetries_list',
81: 'difficulty','difficulty_list',
82: 'disc','disc_list',
83: 'clear','technical','correct',
84: 'helpful','depth');
85: #
86: my $query = 'SELECT '.join(',',@Fields).
87: ' FROM metadata WHERE url LIKE "'.$url.'%"';
88: my $server = &Apache::lonnet::homeserver($author,$authordom);
89: my $reply = &Apache::lonnet::metadata_query($query,undef,undef,
90: ,[$server]);
91: return () if (! defined($reply) || ref($reply) ne 'HASH');
92: my $filename = $reply->{$server};
93: if (! defined($filename) || $filename =~ /^error/) {
94: return ();
95: }
96: my $max_time = time + 10; # wait 10 seconds for results at most
97: my %ReturnHash;
98: #
99: # Look for results
100: my $finished = 0;
101: while (! $finished && time < $max_time) {
102: my $datafile=$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename;
103: if (! -e "$datafile.end") { next; }
104: my $fh;
105: if (!($fh=Apache::File->new($datafile))) { next; }
106: while (my $result = <$fh>) {
107: chomp($result);
108: next if (! $result);
109: my @Data =
110: map {
111: &Apache::lonnet::unescape($_);
112: } split(',',$result);
113: my $url = $Data[0];
114: for (my $i=0;$i<=$#Fields;$i++) {
115: $ReturnHash{$url}->{$Fields[$i]}=$Data[$i];
116: }
117: }
118: $finished = 1;
119: }
120: #
121: return %ReturnHash;
122: }
123:
124:
1.64 matthew 125: # Fetch and evaluate dynamic metadata
1.9 www 126: sub dynamicmeta {
127: my $url=&Apache::lonnet::declutter(shift);
128: $url=~s/\.meta$//;
129: my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
1.19 www 130: my $regexp=$url;
1.9 www 131: $regexp=~s/(\W)/\\$1/g;
1.10 www 132: $regexp='___'.$regexp.'___';
1.16 albertel 133: my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
134: $aauthor,$regexp);
1.63 matthew 135: my %DynamicData = &LONCAPA::lonmetadata::process_reseval_data(\%evaldata);
136: my %Data = &LONCAPA::lonmetadata::process_dynamic_metadata($url,
137: \%DynamicData);
1.40 matthew 138: #
1.46 www 139: # Deal with 'count' separately
1.63 matthew 140: $Data{'count'} = &access_count($url,$aauthor,$adomain);
1.67 matthew 141: #
142: # Debugging code I will probably need later
143: if (0) {
144: &Apache::lonnet::logthis('Dynamic Metadata');
145: while(my($k,$v)=each(%Data)){
146: &Apache::lonnet::logthis(' "'.$k.'"=>"'.$v.'"');
147: }
148: &Apache::lonnet::logthis('-------------------');
149: }
1.63 matthew 150: return %Data;
1.40 matthew 151: }
152:
153: sub access_count {
154: my ($src,$author,$adomain) = @_;
155: my %countdata=&Apache::lonnet::dump('nohist_accesscount',$adomain,
156: $author,$src);
157: if (! exists($countdata{$src})) {
1.47 www 158: return &mt('Not Available');
1.40 matthew 159: } else {
160: return $countdata{$src};
161: }
1.25 www 162: }
163:
1.64 matthew 164: # Try to make an alt tag if there is none
1.25 www 165: sub alttag {
1.26 www 166: my ($base,$src)=@_;
167: my $fullpath=&Apache::lonnet::hreflocation($base,$src);
168: my $alttag=&Apache::lonnet::metadata($fullpath,'title').' '.
1.64 matthew 169: &Apache::lonnet::metadata($fullpath,'subject').' '.
170: &Apache::lonnet::metadata($fullpath,'abstract');
1.26 www 171: $alttag=~s/\s+/ /gs;
172: $alttag=~s/\"//gs;
173: $alttag=~s/\'//gs;
174: $alttag=~s/\s+$//gs;
175: $alttag=~s/^\s+//gs;
1.64 matthew 176: if ($alttag) {
177: return $alttag;
178: } else {
179: return &mt('No information available');
180: }
1.9 www 181: }
1.1 www 182:
1.64 matthew 183: # Author display
1.29 www 184: sub authordisplay {
185: my ($aname,$adom)=@_;
1.64 matthew 186: return &Apache::loncommon::aboutmewrapper
187: (&Apache::loncommon::plainname($aname,$adom),
188: $aname,$adom,'preview').' <tt>['.$aname.'@'.$adom.']</tt>';
1.29 www 189: }
190:
1.64 matthew 191: # Pretty display
1.12 www 192: sub evalgraph {
193: my $value=shift;
1.65 matthew 194: if (! $value) {
195: return '';
196: }
1.12 www 197: my $val=int($value*10.+0.5)-10;
1.71 matthew 198: my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
1.12 www 199: if ($val>=20) {
1.71 matthew 200: $output.='<td width="20" bgcolor="#555555">  </td>';
1.12 www 201: } else {
1.71 matthew 202: $output.='<td width="'.($val).'" bgcolor="#555555"> </td>'.
203: '<td width="'.(20-$val).'" bgcolor="#FF3333"> </td>';
1.12 www 204: }
205: $output.='<td bgcolor="#FFFF33"> </td>';
206: if ($val>20) {
1.71 matthew 207: $output.='<td width="'.($val-20).'" bgcolor="#33FF33"> </td>'.
208: '<td width="'.(40-$val).'" bgcolor="#555555"> </td>';
1.12 www 209: } else {
1.71 matthew 210: $output.='<td width="20" bgcolor="#555555">  </td>';
1.12 www 211: }
1.71 matthew 212: $output.='<td> ('.sprintf("%5.2f",$value).') </td></tr></table>';
1.12 www 213: return $output;
214: }
215:
216: sub diffgraph {
217: my $value=shift;
1.65 matthew 218: if (! $value) {
219: return '';
220: }
1.12 www 221: my $val=int(40.0*$value+0.5);
1.13 www 222: my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
223: '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
1.71 matthew 224: my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
1.12 www 225: for (my $i=0;$i<8;$i++) {
226: if ($val>$i*5) {
1.71 matthew 227: $output.='<td width="5" bgcolor="'.$colors[$i].'"> </td>';
1.12 www 228: } else {
1.71 matthew 229: $output.='<td width="5" bgcolor="#555555"> </td>';
1.12 www 230: }
231: }
1.71 matthew 232: $output.='<td> ('.sprintf("%3.2f",$value).') </td></tr></table>';
1.12 www 233: return $output;
234: }
235:
1.44 www 236:
1.64 matthew 237: # The field names
1.45 www 238: sub fieldnames {
1.90 banghart 239: my $file_type=shift;
1.93 matthew 240: my %fields =
241: ('title' => 'Title',
1.90 banghart 242: 'author' =>'Author(s)',
243: 'authorspace' => 'Author Space',
244: 'modifyinguser' => 'Last Modifying User',
245: 'subject' => 'Subject',
1.91 banghart 246: 'keywords' => 'Keyword(s)',
247: 'notes' => 'Notes',
248: 'abstract' => 'Abstract',
249: 'lowestgradelevel' => 'Lowest Grade Level',
250: 'highestgradelevel' => 'Highest Grade Level');
1.93 matthew 251: if (! defined($file_type) || $file_type ne 'portfolio') {
252: %fields =
253: (%fields,
254: 'domain' => 'Domain',
1.64 matthew 255: 'standards' => 'Standards',
256: 'mime' => 'MIME Type',
257: 'language' => 'Language',
258: 'creationdate' => 'Creation Date',
259: 'lastrevisiondate' => 'Last Revision Date',
260: 'owner' => 'Publisher/Owner',
261: 'copyright' => 'Copyright/Distribution',
262: 'customdistributionfile' => 'Custom Distribution File',
1.84 banghart 263: 'sourceavail' => 'Source Available',
1.78 taceyjo1 264: 'sourcerights' => 'Source Custom Distribution File',
1.64 matthew 265: 'obsolete' => 'Obsolete',
266: 'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
267: 'count' => 'Network-wide number of accesses (hits)',
268: 'course' => 'Network-wide number of courses using resource',
269: 'course_list' => 'Network-wide courses using resource',
270: 'sequsage' => 'Number of resources using or importing resource',
271: 'sequsage_list' => 'Resources using or importing resource',
272: 'goto' => 'Number of resources that follow this resource in maps',
273: 'goto_list' => 'Resources that follow this resource in maps',
274: 'comefrom' => 'Number of resources that lead up to this resource in maps',
275: 'comefrom_list' => 'Resources that lead up to this resource in maps',
276: 'clear' => 'Material presented in clear way',
277: 'depth' => 'Material covered with sufficient depth',
278: 'helpful' => 'Material is helpful',
279: 'correct' => 'Material appears to be correct',
280: 'technical' => 'Resource is technically correct',
281: 'avetries' => 'Average number of tries till solved',
282: 'stdno' => 'Total number of students who have worked on this problem',
1.73 matthew 283: 'difficulty' => 'Degree of difficulty',
284: 'disc' => 'Degree of discrimination',
1.83 www 285: 'dependencies' => 'Resources used by this resource',
1.64 matthew 286: );
1.93 matthew 287: }
288: return &Apache::lonlocal::texthash(%fields);
1.45 www 289: }
1.46 www 290:
1.100 banghart 291: sub select_course {
292: my ($r)=@_;
293: $r->print('<h3>Instructor Selected Meta-Data</h3><br />');
294: $r->print('<form action="" method="post">');
1.103 ! banghart 295: $r->print('Select your course<br />');
1.100 banghart 296: $r->print('<select name="metacourse" >');
1.103 ! banghart 297: my $meta_not_found = 1;
! 298: foreach my $key (keys %env) {
1.100 banghart 299: if ($key =~ /\.metadata\./) {
1.103 ! banghart 300: if ($meta_not_found) {
! 301: undef($meta_not_found);
! 302: $r->print('<h3>Instructor Selected Meta-Data</h3><br />');
! 303: $r->print('<form action="" method="post">');
! 304: $r->print('Select your course<br />');
! 305: $r->print('<select name="metacourse" >');
! 306: }
1.101 banghart 307: my $course_key = $key;
308: $course_key =~ s/\.metadata\..*//;
1.102 banghart 309: $r->print('<option value="'.$course_key.'">');
1.101 banghart 310: $r->print($env{$course_key.'.description'});
1.100 banghart 311: $r->print('</option>');
312: }
313: }
1.103 ! banghart 314: unless ($meta_not_found) {
! 315: $r->print('</select><br />');
! 316: $r->print('<input type="submit" value="Assign Instructor Metadata" />');
! 317: $r->print('</form>');
! 318: }
1.100 banghart 319: return 'ok';
320: }
1.64 matthew 321: # Pretty printing of metadata field
1.46 www 322:
323: sub prettyprint {
1.82 www 324: my ($type,$value,$target,$prefix,$form,$noformat)=@_;
325: # $target,$prefix,$form are optional and for filecrumbs only
1.65 matthew 326: if (! defined($value)) {
327: return ' ';
328: }
1.64 matthew 329: # Title
1.46 www 330: if ($type eq 'title') {
331: return '<font size="+1" face="arial">'.$value.'</font>';
332: }
1.64 matthew 333: # Dates
1.46 www 334: if (($type eq 'creationdate') ||
335: ($type eq 'lastrevisiondate')) {
1.55 www 336: return ($value?&Apache::lonlocal::locallocaltime(
337: &Apache::lonmysql::unsqltime($value)):
338: &mt('not available'));
1.46 www 339: }
1.64 matthew 340: # Language
1.46 www 341: if ($type eq 'language') {
342: return &Apache::loncommon::languagedescription($value);
343: }
1.64 matthew 344: # Copyright
1.46 www 345: if ($type eq 'copyright') {
346: return &Apache::loncommon::copyrightdescription($value);
347: }
1.78 taceyjo1 348: # Copyright
349: if ($type eq 'sourceavail') {
350: return &Apache::loncommon::source_copyrightdescription($value);
351: }
1.64 matthew 352: # MIME
1.46 www 353: if ($type eq 'mime') {
1.64 matthew 354: return '<img src="'.&Apache::loncommon::icon($value).'" /> '.
355: &Apache::loncommon::filedescription($value);
356: }
357: # Person
1.46 www 358: if (($type eq 'author') ||
359: ($type eq 'owner') ||
360: ($type eq 'modifyinguser') ||
361: ($type eq 'authorspace')) {
362: $value=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse;
363: return $value;
364: }
1.64 matthew 365: # Gradelevel
1.48 www 366: if (($type eq 'lowestgradelevel') ||
367: ($type eq 'highestgradelevel')) {
368: return &Apache::loncommon::gradeleveldescription($value);
369: }
1.64 matthew 370: # Only for advance users below
1.96 albertel 371: if (! $env{'user.adv'}) {
1.65 matthew 372: return '<i>- '.&mt('not displayed').' -</i>';
373: }
1.64 matthew 374: # File
1.46 www 375: if (($type eq 'customdistributionfile') ||
376: ($type eq 'obsoletereplacement') ||
377: ($type eq 'goto_list') ||
378: ($type eq 'comefrom_list') ||
1.82 www 379: ($type eq 'sequsage_list') ||
1.83 www 380: ($type eq 'dependencies')) {
1.82 www 381: return '<ul><font size="-1">'.join("\n",map {
1.70 matthew 382: my $url = &Apache::lonnet::clutter($_);
1.72 matthew 383: my $title = &Apache::lonnet::gettitle($url);
384: if ($title eq '') {
385: $title = 'Untitled';
386: if ($url =~ /\.sequence$/) {
387: $title .= ' Sequence';
388: } elsif ($url =~ /\.page$/) {
389: $title .= ' Page';
390: } elsif ($url =~ /\.problem$/) {
391: $title .= ' Problem';
392: } elsif ($url =~ /\.html$/) {
393: $title .= ' HTML document';
394: } elsif ($url =~ m:/syllabus$:) {
395: $title .= ' Syllabus';
396: }
397: }
1.82 www 398: $_ = '<li>'.$title.' '.
399: &Apache::lonhtmlcommon::crumbs($url,$target,$prefix,$form,'-1',$noformat).
400: '</li>'
401: } split(/\s*\,\s*/,$value)).'</ul></font>';
1.46 www 402: }
1.64 matthew 403: # Evaluations
1.46 www 404: if (($type eq 'clear') ||
405: ($type eq 'depth') ||
406: ($type eq 'helpful') ||
407: ($type eq 'correct') ||
408: ($type eq 'technical')) {
409: return &evalgraph($value);
410: }
1.64 matthew 411: # Difficulty
1.73 matthew 412: if ($type eq 'difficulty' || $type eq 'disc') {
1.46 www 413: return &diffgraph($value);
414: }
1.64 matthew 415: # List of courses
1.46 www 416: if ($type=~/\_list/) {
1.72 matthew 417: my @Courses = split(/\s*\,\s*/,$value);
418: my $Str;
419: foreach my $course (@Courses) {
420: my %courseinfo = &Apache::lonnet::coursedescription($course);
421: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
422: next;
423: }
424: if ($Str ne '') { $Str .= '<br />'; }
425: $Str .= '<a href="/public/'.$courseinfo{'domain'}.'/'.
426: $courseinfo{'num'}.'/syllabus" target="preview">'.
427: $courseinfo{'description'}.'</a>';
428: }
429: return $Str;
1.46 www 430: }
1.64 matthew 431: # No pretty print found
1.46 www 432: return $value;
433: }
434:
1.64 matthew 435: # Pretty input of metadata field
1.54 www 436: sub direct {
437: return shift;
438: }
439:
1.48 www 440: sub selectbox {
441: my ($name,$value,$functionref,@idlist)=@_;
1.65 matthew 442: if (! defined($functionref)) {
443: $functionref=\&direct;
444: }
1.48 www 445: my $selout='<select name="'.$name.'">';
446: foreach (@idlist) {
447: $selout.='<option value=\''.$_.'\'';
448: if ($_ eq $value) {
449: $selout.=' selected>'.&{$functionref}($_).'</option>';
450: }
451: else {$selout.='>'.&{$functionref}($_).'</option>';}
452: }
453: return $selout.'</select>';
454: }
455:
1.54 www 456: sub relatedfield {
457: my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
1.65 matthew 458: if (! $relatedsearchflag) {
459: return '';
460: }
461: if (! defined($relatedsep)) {
462: $relatedsep=' ';
463: }
464: if (! $show) {
465: return $relatedsep.' ';
466: }
1.54 www 467: return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
468: ($relatedvalue?' checked="1"':'').' />';
469: }
1.48 www 470:
1.46 www 471: sub prettyinput {
1.54 www 472: my ($type,$value,$fieldname,$formname,
1.74 matthew 473: $relatedsearchflag,$relatedsep,$relatedvalue,$size)=@_;
1.75 matthew 474: if (! defined($size)) {
475: $size = 80;
476: }
1.64 matthew 477: # Language
1.48 www 478: if ($type eq 'language') {
479: return &selectbox($fieldname,
480: $value,
481: \&Apache::loncommon::languagedescription,
1.54 www 482: (&Apache::loncommon::languageids)).
1.64 matthew 483: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 484: }
1.64 matthew 485: # Copyright
1.48 www 486: if ($type eq 'copyright') {
487: return &selectbox($fieldname,
488: $value,
489: \&Apache::loncommon::copyrightdescription,
1.54 www 490: (&Apache::loncommon::copyrightids)).
1.64 matthew 491: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 492: }
1.78 taceyjo1 493: # Source Copyright
494: if ($type eq 'sourceavail') {
495: return &selectbox($fieldname,
496: $value,
497: \&Apache::loncommon::source_copyrightdescription,
498: (&Apache::loncommon::source_copyrightids)).
499: &relatedfield(0,$relatedsearchflag,$relatedsep);
500: }
1.64 matthew 501: # Gradelevels
1.48 www 502: if (($type eq 'lowestgradelevel') ||
503: ($type eq 'highestgradelevel')) {
1.54 www 504: return &Apache::loncommon::select_level_form($value,$fieldname).
1.64 matthew 505: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 506: }
1.64 matthew 507: # Obsolete
1.48 www 508: if ($type eq 'obsolete') {
509: return '<input type="checkbox" name="'.$fieldname.'"'.
1.54 www 510: ($value?' checked="1"':'').' />'.
1.64 matthew 511: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 512: }
1.64 matthew 513: # Obsolete replacement file
1.48 www 514: if ($type eq 'obsoletereplacement') {
515: return '<input type="text" name="'.$fieldname.
516: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
517: "('".$formname."','".$fieldname."'".
1.54 www 518: ",'')\">".&mt('Select').'</a>'.
1.64 matthew 519: &relatedfield(0,$relatedsearchflag,$relatedsep);
520: }
521: # Customdistribution file
1.48 www 522: if ($type eq 'customdistributionfile') {
523: return '<input type="text" name="'.$fieldname.
524: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
525: "('".$formname."','".$fieldname."'".
1.54 www 526: ",'rights')\">".&mt('Select').'</a>'.
1.64 matthew 527: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 528: }
1.78 taceyjo1 529: # Source Customdistribution file
530: if ($type eq 'sourcerights') {
531: return '<input type="text" name="'.$fieldname.
532: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
533: "('".$formname."','".$fieldname."'".
534: ",'rights')\">".&mt('Select').'</a>'.
535: &relatedfield(0,$relatedsearchflag,$relatedsep);
536: }
1.64 matthew 537: # Dates
1.48 www 538: if (($type eq 'creationdate') ||
539: ($type eq 'lastrevisiondate')) {
1.64 matthew 540: return
541: &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
542: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 543: }
1.64 matthew 544: # No pretty input found
1.48 www 545: $value=~s/^\s+//gs;
546: $value=~s/\s+$//gs;
547: $value=~s/\s+/ /gs;
1.77 matthew 548: $value=~s/\"/\"\;/gs;
1.54 www 549: return
1.74 matthew 550: '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
1.64 matthew 551: 'value="'.$value.'" />'.
552: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
553: $relatedvalue);
1.46 www 554: }
555:
1.64 matthew 556: # Main Handler
1.1 www 557: sub handler {
1.64 matthew 558: my $r=shift;
559: #
1.67 matthew 560: my $uri=$r->uri;
561: #
562: # Set document type
563: &Apache::loncommon::content_type($r,'text/html');
564: $r->send_http_header;
565: return OK if $r->header_only;
1.64 matthew 566: #
1.76 matthew 567: my ($resdomain,$resuser)=
568: (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
1.92 albertel 569: my $html=&Apache::lonxml::xmlbegin();
570: $r->print($html.'<head><title>'.
1.67 matthew 571: 'Catalog Information'.
572: '</title></head>');
1.66 matthew 573: if ($uri=~m:/adm/bombs/(.*)$:) {
1.67 matthew 574: $r->print(&Apache::loncommon::bodytag('Error Messages'));
1.66 matthew 575: # Looking for all bombs?
576: &report_bombs($r,$uri);
1.89 banghart 577: } elsif ($uri=~/\/portfolio\//) {
578: $r->print(&Apache::loncommon::bodytag
579: ('Edit Portfolio File Information','','','',$resdomain));
1.102 banghart 580: if ($env{'form.metacourse'}) {
581: &present_instructor_metadata($r,$uri,'portfolio');
582: } else {
583: &present_editable_metadata($r,$uri,'portfolio');
584: &select_course($r);
585: }
1.89 banghart 586:
1.66 matthew 587: } elsif ($uri=~/^\/\~/) {
588: # Construction space
1.67 matthew 589: $r->print(&Apache::loncommon::bodytag
590: ('Edit Catalog Information','','','',$resdomain));
1.66 matthew 591: &present_editable_metadata($r,$uri);
592: } else {
1.67 matthew 593: $r->print(&Apache::loncommon::bodytag
1.85 albertel 594: ('Catalog Information','','','',$resdomain));
1.66 matthew 595: &present_uneditable_metadata($r,$uri);
596: }
1.67 matthew 597: $r->print('</body></html>');
1.66 matthew 598: return OK;
599: }
600:
1.67 matthew 601: #####################################################
602: #####################################################
603: ### ###
604: ### Report Bombs ###
605: ### ###
606: #####################################################
607: #####################################################
1.66 matthew 608: sub report_bombs {
609: my ($r,$uri) = @_;
610: # Set document type
1.67 matthew 611: $uri =~ s:/adm/bombs/::;
612: $uri = &Apache::lonnet::declutter($uri);
1.66 matthew 613: $r->print('<h1>'.&Apache::lonnet::clutter($uri).'</h1>');
614: my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//);
615: if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) {
1.98 www 616: if ($env{'form.clearbombs'}) {
617: &Apache::lonmsg::clear_author_res_msg($uri);
618: }
619: my $clear=&mt('Clear all Messages in Subdirectory');
620: $r->print(<<ENDCLEAR);
621: <form method="post">
622: <input type="submit" name="clearbombs" value="$clear" />
623: </form>
624: ENDCLEAR
1.67 matthew 625: my %brokenurls =
626: &Apache::lonmsg::all_url_author_res_msg($author,$domain);
627: foreach (sort(keys(%brokenurls))) {
1.66 matthew 628: if ($_=~/^\Q$uri\E/) {
1.70 matthew 629: $r->print
630: ('<a href="'.&Apache::lonnet::clutter($_).'">'.$_.'</a>'.
631: &Apache::lonmsg::retrieve_author_res_msg($_).
632: '<hr />');
1.64 matthew 633: }
634: }
1.66 matthew 635: } else {
636: $r->print(&mt('Not authorized'));
637: }
638: return;
639: }
640:
1.67 matthew 641: #####################################################
642: #####################################################
643: ### ###
644: ### Uneditable Metadata Display ###
645: ### ###
646: #####################################################
647: #####################################################
1.66 matthew 648: sub present_uneditable_metadata {
649: my ($r,$uri) = @_;
650: #
651: my %content=();
652: # Read file
653: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
654: $content{$_}=&Apache::lonnet::metadata($uri,$_);
655: }
656: # Render Output
657: # displayed url
658: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
659: $uri=~s/\.meta$//;
660: my $disuri=&Apache::lonnet::clutter($uri);
661: # version
662: my $currentversion=&Apache::lonnet::getversion($disuri);
663: my $versiondisplay='';
664: if ($thisversion) {
665: $versiondisplay=&mt('Version').': '.$thisversion.
666: ' ('.&mt('most recent version').': '.
667: ($currentversion>0 ?
668: $currentversion :
669: &mt('information not available')).')';
670: } else {
671: $versiondisplay='Version: '.$currentversion;
672: }
1.72 matthew 673: # crumbify displayed URL uri target prefix form size
674: $disuri=&Apache::lonhtmlcommon::crumbs($disuri,undef, undef, undef,'+1');
675: $disuri =~ s:<br />::g;
1.66 matthew 676: # obsolete
677: my $obsolete=$content{'obsolete'};
678: my $obsoletewarning='';
1.96 albertel 679: if (($obsolete) && ($env{'user.adv'})) {
1.66 matthew 680: $obsoletewarning='<p><font color="red">'.
681: &mt('This resource has been marked obsolete by the author(s)').
682: '</font></p>';
683: }
684: #
685: my %lt=&fieldnames();
686: my $table='';
1.72 matthew 687: my $title = $content{'title'};
688: if (! defined($title)) {
689: $title = 'Untitled Resource';
690: }
1.66 matthew 691: foreach ('title',
692: 'author',
693: 'subject',
694: 'keywords',
695: 'notes',
696: 'abstract',
697: 'lowestgradelevel',
698: 'highestgradelevel',
699: 'standards',
700: 'mime',
701: 'language',
702: 'creationdate',
703: 'lastrevisiondate',
704: 'owner',
705: 'copyright',
1.78 taceyjo1 706: 'customdistributionfile',
707: 'sourceavail',
708: 'sourcerights',
1.66 matthew 709: 'obsolete',
710: 'obsoletereplacement') {
711: $table.='<tr><td bgcolor="#AAAAAA">'.$lt{$_}.
712: '</td><td bgcolor="#CCCCCC">'.
713: &prettyprint($_,$content{$_}).'</td></tr>';
714: delete $content{$_};
715: }
716: #
717: $r->print(<<ENDHEAD);
1.72 matthew 718: <h2>$title</h2>
719: <p>
720: $disuri<br />
1.36 www 721: $obsoletewarning
1.72 matthew 722: $versiondisplay
723: </p>
1.88 banghart 724: <table cellspacing="2" border="0">
1.45 www 725: $table
1.11 www 726: </table>
1.1 www 727: ENDHEAD
1.96 albertel 728: if ($env{'user.adv'}) {
1.68 matthew 729: &print_dynamic_metadata($r,$uri,\%content);
1.67 matthew 730: }
731: return;
732: }
733:
734: sub print_dynamic_metadata {
1.68 matthew 735: my ($r,$uri,$content) = @_;
736: #
1.69 matthew 737: my %content = %$content;
1.68 matthew 738: my %lt=&fieldnames();
1.67 matthew 739: #
740: my $description = 'Dynamic Metadata (updated periodically)';
741: $r->print('<h3>'.&mt($description).'</h3>'.
1.70 matthew 742: &mt('Processing'));
1.67 matthew 743: $r->rflush();
744: my %items=&fieldnames();
745: my %dynmeta=&dynamicmeta($uri);
746: #
747: # General Access and Usage Statistics
1.70 matthew 748: if (exists($dynmeta{'count'}) ||
749: exists($dynmeta{'sequsage'}) ||
750: exists($dynmeta{'comefrom'}) ||
751: exists($dynmeta{'goto'}) ||
752: exists($dynmeta{'course'})) {
753: $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>'.
1.88 banghart 754: '<table cellspacing="2" border="0">');
1.70 matthew 755: foreach ('count',
756: 'sequsage','sequsage_list',
757: 'comefrom','comefrom_list',
758: 'goto','goto_list',
759: 'course','course_list') {
760: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
761: '<td bgcolor="#CCCCCC">'.
762: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
763: }
764: $r->print('</table>');
765: } else {
766: $r->print('<h4>'.&mt('No Access or Usages Statistics are available for this resource.').'</h4>');
1.67 matthew 767: }
1.69 matthew 768: #
769: # Assessment statistics
1.73 matthew 770: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)$/) {
771: if (exists($dynmeta{'stdno'}) ||
772: exists($dynmeta{'avetries'}) ||
773: exists($dynmeta{'difficulty'}) ||
774: exists($dynmeta{'disc'})) {
775: # This is an assessment, print assessment data
776: $r->print('<h4>'.
777: &mt('Overall Assessment Statistical Data').
778: '</h4>'.
1.88 banghart 779: '<table cellspacing="2" border="0">');
1.73 matthew 780: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{'stdno'}.'</td>'.
1.66 matthew 781: '<td bgcolor="#CCCCCC">'.
1.73 matthew 782: &prettyprint('stdno',$dynmeta{'stdno'}).
783: '</td>'."</tr>\n");
784: foreach ('avetries','difficulty','disc') {
785: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
786: '<td bgcolor="#CCCCCC">'.
787: &prettyprint($_,sprintf('%5.2f',$dynmeta{$_})).
788: '</td>'."</tr>\n");
789: }
790: $r->print('</table>');
791: }
792: if (exists($dynmeta{'stats'})) {
793: #
794: # New assessment statistics
795: $r->print('<h4>'.
796: &mt('Detailed Assessment Statistical Data').
797: '</h4>');
1.88 banghart 798: my $table = '<table cellspacing="2" border="0">'.
1.73 matthew 799: '<tr>'.
800: '<th>Course</th>'.
801: '<th>Section(s)</th>'.
802: '<th>Num Students</th>'.
803: '<th>Mean Tries</th>'.
804: '<th>Degree of Difficulty</th>'.
805: '<th>Degree of Discrimination</th>'.
806: '<th>Time of computation</th>'.
807: '</tr>'.$/;
808: foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) {
809: my $data = $dynmeta{'stats'}->{$identifier};
810: my $course = $data->{'course'};
811: my %courseinfo = &Apache::lonnet::coursedescription($course);
812: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
813: &Apache::lonnet::logthis('lookup for '.$course.' failed');
814: next;
815: }
816: $table .= '<tr>';
817: $table .=
818: '<td><nobr>'.$courseinfo{'description'}.'</nobr></td>';
819: $table .=
820: '<td align="right">'.$data->{'sections'}.'</td>';
821: $table .=
822: '<td align="right">'.$data->{'stdno'}.'</td>';
823: foreach ('avetries','difficulty','disc') {
824: $table .= '<td align="right">';
825: if (exists($data->{$_})) {
826: $table .= sprintf('%.2f',$data->{$_}).' ';
827: } else {
828: $table .= '';
829: }
830: $table .= '</td>';
831: }
832: $table .=
833: '<td><nobr>'.
834: &Apache::lonlocal::locallocaltime($data->{'timestamp'}).
835: '</nobr></td>';
836: $table .=
837: '</tr>'.$/;
838: }
839: $table .= '</table>'.$/;
840: $r->print($table);
841: } else {
842: $r->print('No new dynamic data found.');
1.66 matthew 843: }
1.70 matthew 844: } else {
1.73 matthew 845: $r->print('<h4>'.
846: &mt('No Assessment Statistical Data is available for this resource').
847: '</h4>');
1.67 matthew 848: }
1.73 matthew 849:
850: #
851: #
1.70 matthew 852: if (exists($dynmeta{'clear'}) ||
853: exists($dynmeta{'depth'}) ||
854: exists($dynmeta{'helpful'}) ||
855: exists($dynmeta{'correct'}) ||
856: exists($dynmeta{'technical'})){
857: $r->print('<h4>'.&mt('Evaluation Data').'</h4>'.
1.88 banghart 858: '<table cellspacing="2" border="0">');
1.70 matthew 859: foreach ('clear','depth','helpful','correct','technical') {
860: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
861: '<td bgcolor="#CCCCCC">'.
862: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
863: }
864: $r->print('</table>');
865: } else {
866: $r->print('<h4>'.&mt('No Evaluation Data is available for this resource.').'</h4>');
1.67 matthew 867: }
868: $uri=~/^\/res\/(\w+)\/(\w+)\//;
1.96 albertel 869: if ((($env{'user.domain'} eq $1) && ($env{'user.name'} eq $2))
870: || ($env{'user.role.ca./'.$1.'/'.$2})) {
1.70 matthew 871: if (exists($dynmeta{'comments'})) {
872: $r->print('<h4>'.&mt('Evaluation Comments').' ('.
873: &mt('visible to author and co-authors only').
874: ')</h4>'.
875: '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
876: } else {
877: $r->print('<h4>'.&mt('There are no Evaluation Comments on this resource.').'</h4>');
878: }
879: my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri);
880: if (defined($bombs) && $bombs ne '') {
881: $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
882: &mt('visible to author and co-authors only').')'.
883: '</h4>'.$bombs);
884: } else {
885: $r->print('<h4>'.&mt('There are currently no Error Messages for this resource.').'</h4>');
886: }
1.67 matthew 887: }
1.69 matthew 888: #
1.67 matthew 889: # All other stuff
890: $r->print('<h3>'.
891: &mt('Additional Metadata (non-standard, parameters, exports)').
1.81 www 892: '</h3><table border="0" cellspacing="1">');
1.67 matthew 893: foreach (sort(keys(%content))) {
894: my $name=$_;
895: if ($name!~/\.display$/) {
896: my $display=&Apache::lonnet::metadata($uri,
897: $name.'.display');
898: if (! $display) {
899: $display=$name;
900: };
901: my $otherinfo='';
902: foreach ('name','part','type','default') {
903: if (defined(&Apache::lonnet::metadata($uri,
904: $name.'.'.$_))) {
905: $otherinfo.=' '.$_.'='.
906: &Apache::lonnet::metadata($uri,
907: $name.'.'.$_).'; ';
908: }
1.64 matthew 909: }
1.81 www 910: $r->print('<tr><td bgcolor="#bbccbb"><font size="-1" color="#556655">'.$display.'</font></td><td bgcolor="#ccddcc"><font size="-1" color="#556655">'.$content{$name});
1.67 matthew 911: if ($otherinfo) {
912: $r->print(' ('.$otherinfo.')');
1.64 matthew 913: }
1.81 www 914: $r->print("</font></td></tr>\n");
1.64 matthew 915: }
1.66 matthew 916: }
1.81 www 917: $r->print("</table>");
1.67 matthew 918: return;
1.66 matthew 919: }
920:
1.102 banghart 921: sub present_instructor_metadata {
922: my ($r,$uri, $file_type) = @_;
1.103 ! banghart 923: $r->print('This is the instructor metadata area<br />');
! 924: my $keywords = $env{$env{'form.metacourse'}.'.metadata.keywords'};
! 925: $r->print($env{'form.metacourse'}.'<br />');
! 926: $r->print('the keywords are: '.$keywords);
1.102 banghart 927: return 'ok';
928: }
929:
930:
1.67 matthew 931: #####################################################
932: #####################################################
933: ### ###
934: ### Editable metadata display ###
935: ### ###
936: #####################################################
937: #####################################################
1.66 matthew 938: sub present_editable_metadata {
1.90 banghart 939: my ($r,$uri, $file_type) = @_;
1.66 matthew 940: # Construction Space Call
941: # Header
942: my $disuri=$uri;
943: my $fn=&Apache::lonnet::filelocation('',$uri);
944: $disuri=~s/^\/\~/\/priv\//;
945: $disuri=~s/\.meta$//;
946: my $target=$uri;
1.96 albertel 947: $target=~s/^\/\~/\/res\/$env{'request.role.domain'}\//;
1.66 matthew 948: $target=~s/\.meta$//;
949: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
950: if ($bombs) {
1.99 www 951: my $showdel=1;
1.96 albertel 952: if ($env{'form.delmsg'}) {
1.66 matthew 953: if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
954: $bombs=&mt('Messages deleted.');
1.99 www 955: $showdel=0;
1.66 matthew 956: } else {
957: $bombs=&mt('Error deleting messages');
1.64 matthew 958: }
1.66 matthew 959: }
1.98 www 960: if ($env{'form.clearmsg'}) {
961: my $cleardir=$target;
962: $cleardir=~s/\/[^\/]+$/\//;
963: if (&Apache::lonmsg::clear_author_res_msg($cleardir) eq 'ok') {
964: $bombs=&mt('Messages cleared.');
1.99 www 965: $showdel=0;
1.98 www 966: } else {
967: $bombs=&mt('Error clearing messages');
968: }
969: }
970: my $del=&mt('Delete Messages for this Resource');
971: my $clear=&mt('Clear all Messages in Subdirectory');
1.99 www 972: my $goback=&mt('Back to Source File');
1.66 matthew 973: $r->print(<<ENDBOMBS);
1.52 www 974: <h1>$disuri</h1>
975: <form method="post" name="defaultmeta">
1.99 www 976: ENDBOMBS
977: if ($showdel) {
978: $r->print(<<ENDDEL);
1.59 www 979: <input type="submit" name="delmsg" value="$del" />
1.98 www 980: <input type="submit" name="clearmsg" value="$clear" />
1.99 www 981: ENDDEL
982: } else {
983: $r->print('<a href="'.$disuri.'" />'.$goback.'</a>');
984: }
985: $r->print('<br />'.$bombs);
1.66 matthew 986: } else {
987: my $displayfile='Catalog Information for '.$disuri;
988: if ($disuri=~/\/default$/) {
989: my $dir=$disuri;
990: $dir=~s/default$//;
991: $displayfile=
992: &mt('Default Cataloging Information for Directory').' '.
993: $dir;
994: }
995: %Apache::lonpublisher::metadatafields=();
996: %Apache::lonpublisher::metadatakeys=();
1.94 banghart 997: my $result=&Apache::lonnet::getfile($fn);
998: if ($result == -1){
1.97 banghart 999: $r->print('Creating new '.$fn);
1.94 banghart 1000: } else {
1001: &Apache::lonpublisher::metaeval($result);
1002: }
1.66 matthew 1003: $r->print(<<ENDEDIT);
1.23 www 1004: <h1>$displayfile</h1>
1.48 www 1005: <form method="post" name="defaultmeta">
1.23 www 1006: ENDEDIT
1.66 matthew 1007: $r->print('<script language="JavaScript">'.
1.86 albertel 1008: &Apache::loncommon::browser_and_searcher_javascript().
1.66 matthew 1009: '</script>');
1.90 banghart 1010: my %lt=&fieldnames($file_type);
1.87 albertel 1011: my $output;
1.90 banghart 1012: my @fields;
1013: if ($file_type eq 'portfolio') {
1.91 banghart 1014: @fields = ('author','title','subject','keywords','abstract','notes','lowestgradelevel',
1015: 'highestgradelevel');
1.90 banghart 1016: } else {
1017: @fields = ('author','title','subject','keywords','abstract','notes',
1.66 matthew 1018: 'copyright','customdistributionfile','language',
1019: 'standards',
1.78 taceyjo1 1020: 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
1.90 banghart 1021: 'obsolete','obsoletereplacement');
1022: }
1023: foreach (@fields) {
1.96 albertel 1024: if (defined($env{'form.new_'.$_})) {
1.66 matthew 1025: $Apache::lonpublisher::metadatafields{$_}=
1.96 albertel 1026: $env{'form.new_'.$_};
1.66 matthew 1027: }
1028: if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
1029: $Apache::lonpublisher::metadatafields{'copyright'}=
1030: 'default';
1.64 matthew 1031: }
1.87 albertel 1032: $output.=('<p>'.$lt{$_}.': '.
1033: &prettyinput($_,
1034: $Apache::lonpublisher::metadatafields{$_},
1035: 'new_'.$_,'defaultmeta').'</p>');
1.66 matthew 1036: }
1.96 albertel 1037: if ($env{'form.store'}) {
1.66 matthew 1038: my $mfh;
1.94 banghart 1039: my $formname='store';
1040: my $file_content;
1041: foreach (sort keys %Apache::lonpublisher::metadatafields) {
1042: next if ($_ =~ /\./);
1043: my $unikey=$_;
1044: $unikey=~/^([A-Za-z]+)/;
1045: my $tag=$1;
1046: $tag=~tr/A-Z/a-z/;
1047: $file_content.= "\n\<$tag";
1048: foreach (split(/\,/,
1049: $Apache::lonpublisher::metadatakeys{$unikey})
1050: ) {
1051: my $value=
1052: $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
1053: $value=~s/\"/\'\'/g;
1054: $file_content.=' '.$_.'="'.$value.'"' ;
1055: # print $mfh ' '.$_.'="'.$value.'"';
1056: }
1057: $file_content.= '>'.
1058: &HTML::Entities::encode
1059: ($Apache::lonpublisher::metadatafields{$unikey},
1060: '<>&"').
1061: '</'.$tag.'>';
1062: }
1063: if ($fn =~ /\/portfolio\//) {
1064: $fn =~ /\/portfolio\/(.*)$/;
1065: my $new_fn = '/'.$1;
1.96 albertel 1066: $env{'form.'.$formname}=$file_content;
1067: $env{'form.'.$formname.'.filename'}=$new_fn;
1.94 banghart 1068: &Apache::lonnet::userfileupload('uploaddoc','',
1.96 albertel 1069: 'portfolio'.$env{'form.currentpath'});
1.94 banghart 1070: my $status =&Apache::lonnet::userfileupload($formname,'','portfolio');
1071: if (&Apache::lonnet::userfileupload($formname,'','portfolio') eq 'error: no uploaded file') {
1072: $r->print('<p><font color="red">'.
1073: &mt('Could not write metadata').', '.
1074: &mt('FAIL').'</font></p>');
1075: } else {
1076: $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
1077: ' '.&Apache::lonlocal::locallocaltime(time).
1078: '</font></p>');
1079: }
1.66 matthew 1080: } else {
1.94 banghart 1081: if (! ($mfh=Apache::File->new('>'.$fn))) {
1082: $r->print('<p><font color="red">'.
1083: &mt('Could not write metadata').', '.
1084: &mt('FAIL').'</font></p>');
1085: } else {
1086: print $mfh $file_content;
1.95 albertel 1087: $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
1088: ' '.&Apache::lonlocal::locallocaltime(time).
1089: '</font></p>');
1.64 matthew 1090: }
1091: }
1092: }
1.87 albertel 1093: $r->print($output.'<br /><input type="submit" name="store" value="'.
1.67 matthew 1094: &mt('Store Catalog Information').'">');
1.64 matthew 1095: }
1.67 matthew 1096: $r->print('</form>');
1.66 matthew 1097: return;
1.1 www 1098: }
1.64 matthew 1099:
1.1 www 1100: 1;
1101: __END__
1.97 banghart 1102:
1.98 www 1103:
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