Annotation of loncom/interface/lonmeta.pm, revision 1.98
1.1 www 1: # The LearningOnline Network with CAPA
1.8 albertel 2: # Metadata display handler
3: #
1.98 ! www 4: # $Id: lonmeta.pm,v 1.97 2005/05/09 01:51:44 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: #
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/
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();
1.46 www 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:
1.64 matthew 291: # Pretty printing of metadata field
1.46 www 292:
293: sub prettyprint {
1.82 www 294: my ($type,$value,$target,$prefix,$form,$noformat)=@_;
295: # $target,$prefix,$form are optional and for filecrumbs only
1.65 matthew 296: if (! defined($value)) {
297: return ' ';
298: }
1.64 matthew 299: # Title
1.46 www 300: if ($type eq 'title') {
301: return '<font size="+1" face="arial">'.$value.'</font>';
302: }
1.64 matthew 303: # Dates
1.46 www 304: if (($type eq 'creationdate') ||
305: ($type eq 'lastrevisiondate')) {
1.55 www 306: return ($value?&Apache::lonlocal::locallocaltime(
307: &Apache::lonmysql::unsqltime($value)):
308: &mt('not available'));
1.46 www 309: }
1.64 matthew 310: # Language
1.46 www 311: if ($type eq 'language') {
312: return &Apache::loncommon::languagedescription($value);
313: }
1.64 matthew 314: # Copyright
1.46 www 315: if ($type eq 'copyright') {
316: return &Apache::loncommon::copyrightdescription($value);
317: }
1.78 taceyjo1 318: # Copyright
319: if ($type eq 'sourceavail') {
320: return &Apache::loncommon::source_copyrightdescription($value);
321: }
1.64 matthew 322: # MIME
1.46 www 323: if ($type eq 'mime') {
1.64 matthew 324: return '<img src="'.&Apache::loncommon::icon($value).'" /> '.
325: &Apache::loncommon::filedescription($value);
326: }
327: # Person
1.46 www 328: if (($type eq 'author') ||
329: ($type eq 'owner') ||
330: ($type eq 'modifyinguser') ||
331: ($type eq 'authorspace')) {
332: $value=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse;
333: return $value;
334: }
1.64 matthew 335: # Gradelevel
1.48 www 336: if (($type eq 'lowestgradelevel') ||
337: ($type eq 'highestgradelevel')) {
338: return &Apache::loncommon::gradeleveldescription($value);
339: }
1.64 matthew 340: # Only for advance users below
1.96 albertel 341: if (! $env{'user.adv'}) {
1.65 matthew 342: return '<i>- '.&mt('not displayed').' -</i>';
343: }
1.64 matthew 344: # File
1.46 www 345: if (($type eq 'customdistributionfile') ||
346: ($type eq 'obsoletereplacement') ||
347: ($type eq 'goto_list') ||
348: ($type eq 'comefrom_list') ||
1.82 www 349: ($type eq 'sequsage_list') ||
1.83 www 350: ($type eq 'dependencies')) {
1.82 www 351: return '<ul><font size="-1">'.join("\n",map {
1.70 matthew 352: my $url = &Apache::lonnet::clutter($_);
1.72 matthew 353: my $title = &Apache::lonnet::gettitle($url);
354: if ($title eq '') {
355: $title = 'Untitled';
356: if ($url =~ /\.sequence$/) {
357: $title .= ' Sequence';
358: } elsif ($url =~ /\.page$/) {
359: $title .= ' Page';
360: } elsif ($url =~ /\.problem$/) {
361: $title .= ' Problem';
362: } elsif ($url =~ /\.html$/) {
363: $title .= ' HTML document';
364: } elsif ($url =~ m:/syllabus$:) {
365: $title .= ' Syllabus';
366: }
367: }
1.82 www 368: $_ = '<li>'.$title.' '.
369: &Apache::lonhtmlcommon::crumbs($url,$target,$prefix,$form,'-1',$noformat).
370: '</li>'
371: } split(/\s*\,\s*/,$value)).'</ul></font>';
1.46 www 372: }
1.64 matthew 373: # Evaluations
1.46 www 374: if (($type eq 'clear') ||
375: ($type eq 'depth') ||
376: ($type eq 'helpful') ||
377: ($type eq 'correct') ||
378: ($type eq 'technical')) {
379: return &evalgraph($value);
380: }
1.64 matthew 381: # Difficulty
1.73 matthew 382: if ($type eq 'difficulty' || $type eq 'disc') {
1.46 www 383: return &diffgraph($value);
384: }
1.64 matthew 385: # List of courses
1.46 www 386: if ($type=~/\_list/) {
1.72 matthew 387: my @Courses = split(/\s*\,\s*/,$value);
388: my $Str;
389: foreach my $course (@Courses) {
390: my %courseinfo = &Apache::lonnet::coursedescription($course);
391: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
392: next;
393: }
394: if ($Str ne '') { $Str .= '<br />'; }
395: $Str .= '<a href="/public/'.$courseinfo{'domain'}.'/'.
396: $courseinfo{'num'}.'/syllabus" target="preview">'.
397: $courseinfo{'description'}.'</a>';
398: }
399: return $Str;
1.46 www 400: }
1.64 matthew 401: # No pretty print found
1.46 www 402: return $value;
403: }
404:
1.64 matthew 405: # Pretty input of metadata field
1.54 www 406: sub direct {
407: return shift;
408: }
409:
1.48 www 410: sub selectbox {
411: my ($name,$value,$functionref,@idlist)=@_;
1.65 matthew 412: if (! defined($functionref)) {
413: $functionref=\&direct;
414: }
1.48 www 415: my $selout='<select name="'.$name.'">';
416: foreach (@idlist) {
417: $selout.='<option value=\''.$_.'\'';
418: if ($_ eq $value) {
419: $selout.=' selected>'.&{$functionref}($_).'</option>';
420: }
421: else {$selout.='>'.&{$functionref}($_).'</option>';}
422: }
423: return $selout.'</select>';
424: }
425:
1.54 www 426: sub relatedfield {
427: my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
1.65 matthew 428: if (! $relatedsearchflag) {
429: return '';
430: }
431: if (! defined($relatedsep)) {
432: $relatedsep=' ';
433: }
434: if (! $show) {
435: return $relatedsep.' ';
436: }
1.54 www 437: return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
438: ($relatedvalue?' checked="1"':'').' />';
439: }
1.48 www 440:
1.46 www 441: sub prettyinput {
1.54 www 442: my ($type,$value,$fieldname,$formname,
1.74 matthew 443: $relatedsearchflag,$relatedsep,$relatedvalue,$size)=@_;
1.75 matthew 444: if (! defined($size)) {
445: $size = 80;
446: }
1.64 matthew 447: # Language
1.48 www 448: if ($type eq 'language') {
449: return &selectbox($fieldname,
450: $value,
451: \&Apache::loncommon::languagedescription,
1.54 www 452: (&Apache::loncommon::languageids)).
1.64 matthew 453: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 454: }
1.64 matthew 455: # Copyright
1.48 www 456: if ($type eq 'copyright') {
457: return &selectbox($fieldname,
458: $value,
459: \&Apache::loncommon::copyrightdescription,
1.54 www 460: (&Apache::loncommon::copyrightids)).
1.64 matthew 461: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 462: }
1.78 taceyjo1 463: # Source Copyright
464: if ($type eq 'sourceavail') {
465: return &selectbox($fieldname,
466: $value,
467: \&Apache::loncommon::source_copyrightdescription,
468: (&Apache::loncommon::source_copyrightids)).
469: &relatedfield(0,$relatedsearchflag,$relatedsep);
470: }
1.64 matthew 471: # Gradelevels
1.48 www 472: if (($type eq 'lowestgradelevel') ||
473: ($type eq 'highestgradelevel')) {
1.54 www 474: return &Apache::loncommon::select_level_form($value,$fieldname).
1.64 matthew 475: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 476: }
1.64 matthew 477: # Obsolete
1.48 www 478: if ($type eq 'obsolete') {
479: return '<input type="checkbox" name="'.$fieldname.'"'.
1.54 www 480: ($value?' checked="1"':'').' />'.
1.64 matthew 481: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 482: }
1.64 matthew 483: # Obsolete replacement file
1.48 www 484: if ($type eq 'obsoletereplacement') {
485: return '<input type="text" name="'.$fieldname.
486: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
487: "('".$formname."','".$fieldname."'".
1.54 www 488: ",'')\">".&mt('Select').'</a>'.
1.64 matthew 489: &relatedfield(0,$relatedsearchflag,$relatedsep);
490: }
491: # Customdistribution file
1.48 www 492: if ($type eq 'customdistributionfile') {
493: return '<input type="text" name="'.$fieldname.
494: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
495: "('".$formname."','".$fieldname."'".
1.54 www 496: ",'rights')\">".&mt('Select').'</a>'.
1.64 matthew 497: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 498: }
1.78 taceyjo1 499: # Source Customdistribution file
500: if ($type eq 'sourcerights') {
501: return '<input type="text" name="'.$fieldname.
502: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
503: "('".$formname."','".$fieldname."'".
504: ",'rights')\">".&mt('Select').'</a>'.
505: &relatedfield(0,$relatedsearchflag,$relatedsep);
506: }
1.64 matthew 507: # Dates
1.48 www 508: if (($type eq 'creationdate') ||
509: ($type eq 'lastrevisiondate')) {
1.64 matthew 510: return
511: &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
512: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 513: }
1.64 matthew 514: # No pretty input found
1.48 www 515: $value=~s/^\s+//gs;
516: $value=~s/\s+$//gs;
517: $value=~s/\s+/ /gs;
1.77 matthew 518: $value=~s/\"/\"\;/gs;
1.54 www 519: return
1.74 matthew 520: '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
1.64 matthew 521: 'value="'.$value.'" />'.
522: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
523: $relatedvalue);
1.46 www 524: }
525:
1.64 matthew 526: # Main Handler
1.1 www 527: sub handler {
1.64 matthew 528: my $r=shift;
529: #
1.67 matthew 530: my $uri=$r->uri;
531: #
532: # Set document type
533: &Apache::loncommon::content_type($r,'text/html');
534: $r->send_http_header;
535: return OK if $r->header_only;
1.64 matthew 536: #
1.76 matthew 537: my ($resdomain,$resuser)=
538: (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
1.92 albertel 539: my $html=&Apache::lonxml::xmlbegin();
540: $r->print($html.'<head><title>'.
1.67 matthew 541: 'Catalog Information'.
542: '</title></head>');
1.66 matthew 543: if ($uri=~m:/adm/bombs/(.*)$:) {
1.67 matthew 544: $r->print(&Apache::loncommon::bodytag('Error Messages'));
1.66 matthew 545: # Looking for all bombs?
546: &report_bombs($r,$uri);
1.89 banghart 547: } elsif ($uri=~/\/portfolio\//) {
548: $r->print(&Apache::loncommon::bodytag
549: ('Edit Portfolio File Information','','','',$resdomain));
1.90 banghart 550: &present_editable_metadata($r,$uri,'portfolio');
1.89 banghart 551:
1.66 matthew 552: } elsif ($uri=~/^\/\~/) {
553: # Construction space
1.67 matthew 554: $r->print(&Apache::loncommon::bodytag
555: ('Edit Catalog Information','','','',$resdomain));
1.66 matthew 556: &present_editable_metadata($r,$uri);
557: } else {
1.67 matthew 558: $r->print(&Apache::loncommon::bodytag
1.85 albertel 559: ('Catalog Information','','','',$resdomain));
1.66 matthew 560: &present_uneditable_metadata($r,$uri);
561: }
1.67 matthew 562: $r->print('</body></html>');
1.66 matthew 563: return OK;
564: }
565:
1.67 matthew 566: #####################################################
567: #####################################################
568: ### ###
569: ### Report Bombs ###
570: ### ###
571: #####################################################
572: #####################################################
1.66 matthew 573: sub report_bombs {
574: my ($r,$uri) = @_;
575: # Set document type
1.67 matthew 576: $uri =~ s:/adm/bombs/::;
577: $uri = &Apache::lonnet::declutter($uri);
1.66 matthew 578: $r->print('<h1>'.&Apache::lonnet::clutter($uri).'</h1>');
579: my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//);
580: if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) {
1.98 ! www 581: if ($env{'form.clearbombs'}) {
! 582: &Apache::lonmsg::clear_author_res_msg($uri);
! 583: }
! 584: my $clear=&mt('Clear all Messages in Subdirectory');
! 585: $r->print(<<ENDCLEAR);
! 586: <form method="post">
! 587: <input type="submit" name="clearbombs" value="$clear" />
! 588: </form>
! 589: ENDCLEAR
1.67 matthew 590: my %brokenurls =
591: &Apache::lonmsg::all_url_author_res_msg($author,$domain);
592: foreach (sort(keys(%brokenurls))) {
1.66 matthew 593: if ($_=~/^\Q$uri\E/) {
1.70 matthew 594: $r->print
595: ('<a href="'.&Apache::lonnet::clutter($_).'">'.$_.'</a>'.
596: &Apache::lonmsg::retrieve_author_res_msg($_).
597: '<hr />');
1.64 matthew 598: }
599: }
1.66 matthew 600: } else {
601: $r->print(&mt('Not authorized'));
602: }
603: return;
604: }
605:
1.67 matthew 606: #####################################################
607: #####################################################
608: ### ###
609: ### Uneditable Metadata Display ###
610: ### ###
611: #####################################################
612: #####################################################
1.66 matthew 613: sub present_uneditable_metadata {
614: my ($r,$uri) = @_;
615: #
616: my %content=();
617: # Read file
618: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
619: $content{$_}=&Apache::lonnet::metadata($uri,$_);
620: }
621: # Render Output
622: # displayed url
623: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
624: $uri=~s/\.meta$//;
625: my $disuri=&Apache::lonnet::clutter($uri);
626: # version
627: my $currentversion=&Apache::lonnet::getversion($disuri);
628: my $versiondisplay='';
629: if ($thisversion) {
630: $versiondisplay=&mt('Version').': '.$thisversion.
631: ' ('.&mt('most recent version').': '.
632: ($currentversion>0 ?
633: $currentversion :
634: &mt('information not available')).')';
635: } else {
636: $versiondisplay='Version: '.$currentversion;
637: }
1.72 matthew 638: # crumbify displayed URL uri target prefix form size
639: $disuri=&Apache::lonhtmlcommon::crumbs($disuri,undef, undef, undef,'+1');
640: $disuri =~ s:<br />::g;
1.66 matthew 641: # obsolete
642: my $obsolete=$content{'obsolete'};
643: my $obsoletewarning='';
1.96 albertel 644: if (($obsolete) && ($env{'user.adv'})) {
1.66 matthew 645: $obsoletewarning='<p><font color="red">'.
646: &mt('This resource has been marked obsolete by the author(s)').
647: '</font></p>';
648: }
649: #
650: my %lt=&fieldnames();
651: my $table='';
1.72 matthew 652: my $title = $content{'title'};
653: if (! defined($title)) {
654: $title = 'Untitled Resource';
655: }
1.66 matthew 656: foreach ('title',
657: 'author',
658: 'subject',
659: 'keywords',
660: 'notes',
661: 'abstract',
662: 'lowestgradelevel',
663: 'highestgradelevel',
664: 'standards',
665: 'mime',
666: 'language',
667: 'creationdate',
668: 'lastrevisiondate',
669: 'owner',
670: 'copyright',
1.78 taceyjo1 671: 'customdistributionfile',
672: 'sourceavail',
673: 'sourcerights',
1.66 matthew 674: 'obsolete',
675: 'obsoletereplacement') {
676: $table.='<tr><td bgcolor="#AAAAAA">'.$lt{$_}.
677: '</td><td bgcolor="#CCCCCC">'.
678: &prettyprint($_,$content{$_}).'</td></tr>';
679: delete $content{$_};
680: }
681: #
682: $r->print(<<ENDHEAD);
1.72 matthew 683: <h2>$title</h2>
684: <p>
685: $disuri<br />
1.36 www 686: $obsoletewarning
1.72 matthew 687: $versiondisplay
688: </p>
1.88 banghart 689: <table cellspacing="2" border="0">
1.45 www 690: $table
1.11 www 691: </table>
1.1 www 692: ENDHEAD
1.96 albertel 693: if ($env{'user.adv'}) {
1.68 matthew 694: &print_dynamic_metadata($r,$uri,\%content);
1.67 matthew 695: }
696: return;
697: }
698:
699: sub print_dynamic_metadata {
1.68 matthew 700: my ($r,$uri,$content) = @_;
701: #
1.69 matthew 702: my %content = %$content;
1.68 matthew 703: my %lt=&fieldnames();
1.67 matthew 704: #
705: my $description = 'Dynamic Metadata (updated periodically)';
706: $r->print('<h3>'.&mt($description).'</h3>'.
1.70 matthew 707: &mt('Processing'));
1.67 matthew 708: $r->rflush();
709: my %items=&fieldnames();
710: my %dynmeta=&dynamicmeta($uri);
711: #
712: # General Access and Usage Statistics
1.70 matthew 713: if (exists($dynmeta{'count'}) ||
714: exists($dynmeta{'sequsage'}) ||
715: exists($dynmeta{'comefrom'}) ||
716: exists($dynmeta{'goto'}) ||
717: exists($dynmeta{'course'})) {
718: $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>'.
1.88 banghart 719: '<table cellspacing="2" border="0">');
1.70 matthew 720: foreach ('count',
721: 'sequsage','sequsage_list',
722: 'comefrom','comefrom_list',
723: 'goto','goto_list',
724: 'course','course_list') {
725: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
726: '<td bgcolor="#CCCCCC">'.
727: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
728: }
729: $r->print('</table>');
730: } else {
731: $r->print('<h4>'.&mt('No Access or Usages Statistics are available for this resource.').'</h4>');
1.67 matthew 732: }
1.69 matthew 733: #
734: # Assessment statistics
1.73 matthew 735: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)$/) {
736: if (exists($dynmeta{'stdno'}) ||
737: exists($dynmeta{'avetries'}) ||
738: exists($dynmeta{'difficulty'}) ||
739: exists($dynmeta{'disc'})) {
740: # This is an assessment, print assessment data
741: $r->print('<h4>'.
742: &mt('Overall Assessment Statistical Data').
743: '</h4>'.
1.88 banghart 744: '<table cellspacing="2" border="0">');
1.73 matthew 745: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{'stdno'}.'</td>'.
1.66 matthew 746: '<td bgcolor="#CCCCCC">'.
1.73 matthew 747: &prettyprint('stdno',$dynmeta{'stdno'}).
748: '</td>'."</tr>\n");
749: foreach ('avetries','difficulty','disc') {
750: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
751: '<td bgcolor="#CCCCCC">'.
752: &prettyprint($_,sprintf('%5.2f',$dynmeta{$_})).
753: '</td>'."</tr>\n");
754: }
755: $r->print('</table>');
756: }
757: if (exists($dynmeta{'stats'})) {
758: #
759: # New assessment statistics
760: $r->print('<h4>'.
761: &mt('Detailed Assessment Statistical Data').
762: '</h4>');
1.88 banghart 763: my $table = '<table cellspacing="2" border="0">'.
1.73 matthew 764: '<tr>'.
765: '<th>Course</th>'.
766: '<th>Section(s)</th>'.
767: '<th>Num Students</th>'.
768: '<th>Mean Tries</th>'.
769: '<th>Degree of Difficulty</th>'.
770: '<th>Degree of Discrimination</th>'.
771: '<th>Time of computation</th>'.
772: '</tr>'.$/;
773: foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) {
774: my $data = $dynmeta{'stats'}->{$identifier};
775: my $course = $data->{'course'};
776: my %courseinfo = &Apache::lonnet::coursedescription($course);
777: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
778: &Apache::lonnet::logthis('lookup for '.$course.' failed');
779: next;
780: }
781: $table .= '<tr>';
782: $table .=
783: '<td><nobr>'.$courseinfo{'description'}.'</nobr></td>';
784: $table .=
785: '<td align="right">'.$data->{'sections'}.'</td>';
786: $table .=
787: '<td align="right">'.$data->{'stdno'}.'</td>';
788: foreach ('avetries','difficulty','disc') {
789: $table .= '<td align="right">';
790: if (exists($data->{$_})) {
791: $table .= sprintf('%.2f',$data->{$_}).' ';
792: } else {
793: $table .= '';
794: }
795: $table .= '</td>';
796: }
797: $table .=
798: '<td><nobr>'.
799: &Apache::lonlocal::locallocaltime($data->{'timestamp'}).
800: '</nobr></td>';
801: $table .=
802: '</tr>'.$/;
803: }
804: $table .= '</table>'.$/;
805: $r->print($table);
806: } else {
807: $r->print('No new dynamic data found.');
1.66 matthew 808: }
1.70 matthew 809: } else {
1.73 matthew 810: $r->print('<h4>'.
811: &mt('No Assessment Statistical Data is available for this resource').
812: '</h4>');
1.67 matthew 813: }
1.73 matthew 814:
815: #
816: #
1.70 matthew 817: if (exists($dynmeta{'clear'}) ||
818: exists($dynmeta{'depth'}) ||
819: exists($dynmeta{'helpful'}) ||
820: exists($dynmeta{'correct'}) ||
821: exists($dynmeta{'technical'})){
822: $r->print('<h4>'.&mt('Evaluation Data').'</h4>'.
1.88 banghart 823: '<table cellspacing="2" border="0">');
1.70 matthew 824: foreach ('clear','depth','helpful','correct','technical') {
825: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
826: '<td bgcolor="#CCCCCC">'.
827: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
828: }
829: $r->print('</table>');
830: } else {
831: $r->print('<h4>'.&mt('No Evaluation Data is available for this resource.').'</h4>');
1.67 matthew 832: }
833: $uri=~/^\/res\/(\w+)\/(\w+)\//;
1.96 albertel 834: if ((($env{'user.domain'} eq $1) && ($env{'user.name'} eq $2))
835: || ($env{'user.role.ca./'.$1.'/'.$2})) {
1.70 matthew 836: if (exists($dynmeta{'comments'})) {
837: $r->print('<h4>'.&mt('Evaluation Comments').' ('.
838: &mt('visible to author and co-authors only').
839: ')</h4>'.
840: '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
841: } else {
842: $r->print('<h4>'.&mt('There are no Evaluation Comments on this resource.').'</h4>');
843: }
844: my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri);
845: if (defined($bombs) && $bombs ne '') {
846: $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
847: &mt('visible to author and co-authors only').')'.
848: '</h4>'.$bombs);
849: } else {
850: $r->print('<h4>'.&mt('There are currently no Error Messages for this resource.').'</h4>');
851: }
1.67 matthew 852: }
1.69 matthew 853: #
1.67 matthew 854: # All other stuff
855: $r->print('<h3>'.
856: &mt('Additional Metadata (non-standard, parameters, exports)').
1.81 www 857: '</h3><table border="0" cellspacing="1">');
1.67 matthew 858: foreach (sort(keys(%content))) {
859: my $name=$_;
860: if ($name!~/\.display$/) {
861: my $display=&Apache::lonnet::metadata($uri,
862: $name.'.display');
863: if (! $display) {
864: $display=$name;
865: };
866: my $otherinfo='';
867: foreach ('name','part','type','default') {
868: if (defined(&Apache::lonnet::metadata($uri,
869: $name.'.'.$_))) {
870: $otherinfo.=' '.$_.'='.
871: &Apache::lonnet::metadata($uri,
872: $name.'.'.$_).'; ';
873: }
1.64 matthew 874: }
1.81 www 875: $r->print('<tr><td bgcolor="#bbccbb"><font size="-1" color="#556655">'.$display.'</font></td><td bgcolor="#ccddcc"><font size="-1" color="#556655">'.$content{$name});
1.67 matthew 876: if ($otherinfo) {
877: $r->print(' ('.$otherinfo.')');
1.64 matthew 878: }
1.81 www 879: $r->print("</font></td></tr>\n");
1.64 matthew 880: }
1.66 matthew 881: }
1.81 www 882: $r->print("</table>");
1.67 matthew 883: return;
1.66 matthew 884: }
885:
1.67 matthew 886: #####################################################
887: #####################################################
888: ### ###
889: ### Editable metadata display ###
890: ### ###
891: #####################################################
892: #####################################################
1.66 matthew 893: sub present_editable_metadata {
1.90 banghart 894: my ($r,$uri, $file_type) = @_;
1.66 matthew 895: # Construction Space Call
896: # Header
897: my $disuri=$uri;
898: my $fn=&Apache::lonnet::filelocation('',$uri);
899: $disuri=~s/^\/\~/\/priv\//;
900: $disuri=~s/\.meta$//;
901: my $target=$uri;
1.96 albertel 902: $target=~s/^\/\~/\/res\/$env{'request.role.domain'}\//;
1.66 matthew 903: $target=~s/\.meta$//;
904: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
905: if ($bombs) {
1.96 albertel 906: if ($env{'form.delmsg'}) {
1.66 matthew 907: if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
908: $bombs=&mt('Messages deleted.');
909: } else {
910: $bombs=&mt('Error deleting messages');
1.64 matthew 911: }
1.66 matthew 912: }
1.98 ! www 913: if ($env{'form.clearmsg'}) {
! 914: my $cleardir=$target;
! 915: $cleardir=~s/\/[^\/]+$/\//;
! 916: if (&Apache::lonmsg::clear_author_res_msg($cleardir) eq 'ok') {
! 917: $bombs=&mt('Messages cleared.');
! 918: } else {
! 919: $bombs=&mt('Error clearing messages');
! 920: }
! 921: }
! 922: my $del=&mt('Delete Messages for this Resource');
! 923: my $clear=&mt('Clear all Messages in Subdirectory');
1.66 matthew 924: $r->print(<<ENDBOMBS);
1.52 www 925: <h1>$disuri</h1>
926: <form method="post" name="defaultmeta">
1.59 www 927: <input type="submit" name="delmsg" value="$del" />
1.98 ! www 928: <input type="submit" name="clearmsg" value="$clear" />
1.52 www 929: <br />$bombs
930: ENDBOMBS
1.66 matthew 931: } else {
932: my $displayfile='Catalog Information for '.$disuri;
933: if ($disuri=~/\/default$/) {
934: my $dir=$disuri;
935: $dir=~s/default$//;
936: $displayfile=
937: &mt('Default Cataloging Information for Directory').' '.
938: $dir;
939: }
940: %Apache::lonpublisher::metadatafields=();
941: %Apache::lonpublisher::metadatakeys=();
1.94 banghart 942: my $result=&Apache::lonnet::getfile($fn);
943: if ($result == -1){
1.97 banghart 944: $r->print('Creating new '.$fn);
1.94 banghart 945: } else {
946: &Apache::lonpublisher::metaeval($result);
947: }
1.66 matthew 948: $r->print(<<ENDEDIT);
1.23 www 949: <h1>$displayfile</h1>
1.48 www 950: <form method="post" name="defaultmeta">
1.23 www 951: ENDEDIT
1.66 matthew 952: $r->print('<script language="JavaScript">'.
1.86 albertel 953: &Apache::loncommon::browser_and_searcher_javascript().
1.66 matthew 954: '</script>');
1.90 banghart 955: my %lt=&fieldnames($file_type);
1.87 albertel 956: my $output;
1.90 banghart 957: my @fields;
958: if ($file_type eq 'portfolio') {
1.91 banghart 959: @fields = ('author','title','subject','keywords','abstract','notes','lowestgradelevel',
960: 'highestgradelevel');
1.90 banghart 961: } else {
962: @fields = ('author','title','subject','keywords','abstract','notes',
1.66 matthew 963: 'copyright','customdistributionfile','language',
964: 'standards',
1.78 taceyjo1 965: 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
1.90 banghart 966: 'obsolete','obsoletereplacement');
967: }
968: foreach (@fields) {
1.96 albertel 969: if (defined($env{'form.new_'.$_})) {
1.66 matthew 970: $Apache::lonpublisher::metadatafields{$_}=
1.96 albertel 971: $env{'form.new_'.$_};
1.66 matthew 972: }
973: if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
974: $Apache::lonpublisher::metadatafields{'copyright'}=
975: 'default';
1.64 matthew 976: }
1.87 albertel 977: $output.=('<p>'.$lt{$_}.': '.
978: &prettyinput($_,
979: $Apache::lonpublisher::metadatafields{$_},
980: 'new_'.$_,'defaultmeta').'</p>');
1.66 matthew 981: }
1.96 albertel 982: if ($env{'form.store'}) {
1.66 matthew 983: my $mfh;
1.94 banghart 984: my $formname='store';
985: my $file_content;
986: foreach (sort keys %Apache::lonpublisher::metadatafields) {
987: next if ($_ =~ /\./);
988: my $unikey=$_;
989: $unikey=~/^([A-Za-z]+)/;
990: my $tag=$1;
991: $tag=~tr/A-Z/a-z/;
992: $file_content.= "\n\<$tag";
993: foreach (split(/\,/,
994: $Apache::lonpublisher::metadatakeys{$unikey})
995: ) {
996: my $value=
997: $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
998: $value=~s/\"/\'\'/g;
999: $file_content.=' '.$_.'="'.$value.'"' ;
1000: # print $mfh ' '.$_.'="'.$value.'"';
1001: }
1002: $file_content.= '>'.
1003: &HTML::Entities::encode
1004: ($Apache::lonpublisher::metadatafields{$unikey},
1005: '<>&"').
1006: '</'.$tag.'>';
1007: }
1008: if ($fn =~ /\/portfolio\//) {
1009: $fn =~ /\/portfolio\/(.*)$/;
1010: my $new_fn = '/'.$1;
1.96 albertel 1011: $env{'form.'.$formname}=$file_content;
1012: $env{'form.'.$formname.'.filename'}=$new_fn;
1.94 banghart 1013: &Apache::lonnet::userfileupload('uploaddoc','',
1.96 albertel 1014: 'portfolio'.$env{'form.currentpath'});
1.94 banghart 1015: my $status =&Apache::lonnet::userfileupload($formname,'','portfolio');
1016: if (&Apache::lonnet::userfileupload($formname,'','portfolio') eq 'error: no uploaded file') {
1017: $r->print('<p><font color="red">'.
1018: &mt('Could not write metadata').', '.
1019: &mt('FAIL').'</font></p>');
1020: } else {
1021: $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
1022: ' '.&Apache::lonlocal::locallocaltime(time).
1023: '</font></p>');
1024: }
1.66 matthew 1025: } else {
1.94 banghart 1026: if (! ($mfh=Apache::File->new('>'.$fn))) {
1027: $r->print('<p><font color="red">'.
1028: &mt('Could not write metadata').', '.
1029: &mt('FAIL').'</font></p>');
1030: } else {
1031: print $mfh $file_content;
1.95 albertel 1032: $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
1033: ' '.&Apache::lonlocal::locallocaltime(time).
1034: '</font></p>');
1.64 matthew 1035: }
1036: }
1037: }
1.87 albertel 1038: $r->print($output.'<br /><input type="submit" name="store" value="'.
1.67 matthew 1039: &mt('Store Catalog Information').'">');
1.64 matthew 1040: }
1.67 matthew 1041: $r->print('</form>');
1.66 matthew 1042: return;
1.1 www 1043: }
1.64 matthew 1044:
1.1 www 1045: 1;
1046: __END__
1.97 banghart 1047:
1.98 ! www 1048:
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