Annotation of loncom/interface/lonmeta.pm, revision 1.95
1.1 www 1: # The LearningOnline Network with CAPA
1.8 albertel 2: # Metadata display handler
3: #
1.95 ! albertel 4: # $Id: lonmeta.pm,v 1.94 2005/03/17 21:32:17 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);
1.3 www 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
1.65 matthew 341: if (! $ENV{'user.adv'}) {
342: return '<i>- '.&mt('not displayed').' -</i>';
343: }
1.64 matthew 344: # File
1.46 www 345: if (($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.'/',$domain)) {
1.67 matthew 581: my %brokenurls =
582: &Apache::lonmsg::all_url_author_res_msg($author,$domain);
583: foreach (sort(keys(%brokenurls))) {
1.66 matthew 584: if ($_=~/^\Q$uri\E/) {
1.70 matthew 585: $r->print
586: ('<a href="'.&Apache::lonnet::clutter($_).'">'.$_.'</a>'.
587: &Apache::lonmsg::retrieve_author_res_msg($_).
588: '<hr />');
1.64 matthew 589: }
590: }
1.66 matthew 591: } else {
592: $r->print(&mt('Not authorized'));
593: }
594: return;
595: }
596:
1.67 matthew 597: #####################################################
598: #####################################################
599: ### ###
600: ### Uneditable Metadata Display ###
601: ### ###
602: #####################################################
603: #####################################################
1.66 matthew 604: sub present_uneditable_metadata {
605: my ($r,$uri) = @_;
606: #
607: my %content=();
608: # Read file
609: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
610: $content{$_}=&Apache::lonnet::metadata($uri,$_);
611: }
612: # Render Output
613: # displayed url
614: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
615: $uri=~s/\.meta$//;
616: my $disuri=&Apache::lonnet::clutter($uri);
617: # version
618: my $currentversion=&Apache::lonnet::getversion($disuri);
619: my $versiondisplay='';
620: if ($thisversion) {
621: $versiondisplay=&mt('Version').': '.$thisversion.
622: ' ('.&mt('most recent version').': '.
623: ($currentversion>0 ?
624: $currentversion :
625: &mt('information not available')).')';
626: } else {
627: $versiondisplay='Version: '.$currentversion;
628: }
1.72 matthew 629: # crumbify displayed URL uri target prefix form size
630: $disuri=&Apache::lonhtmlcommon::crumbs($disuri,undef, undef, undef,'+1');
631: $disuri =~ s:<br />::g;
1.66 matthew 632: # obsolete
633: my $obsolete=$content{'obsolete'};
634: my $obsoletewarning='';
635: if (($obsolete) && ($ENV{'user.adv'})) {
636: $obsoletewarning='<p><font color="red">'.
637: &mt('This resource has been marked obsolete by the author(s)').
638: '</font></p>';
639: }
640: #
641: my %lt=&fieldnames();
642: my $table='';
1.72 matthew 643: my $title = $content{'title'};
644: if (! defined($title)) {
645: $title = 'Untitled Resource';
646: }
1.66 matthew 647: foreach ('title',
648: 'author',
649: 'subject',
650: 'keywords',
651: 'notes',
652: 'abstract',
653: 'lowestgradelevel',
654: 'highestgradelevel',
655: 'standards',
656: 'mime',
657: 'language',
658: 'creationdate',
659: 'lastrevisiondate',
660: 'owner',
661: 'copyright',
1.78 taceyjo1 662: 'customdistributionfile',
663: 'sourceavail',
664: 'sourcerights',
1.66 matthew 665: 'obsolete',
666: 'obsoletereplacement') {
667: $table.='<tr><td bgcolor="#AAAAAA">'.$lt{$_}.
668: '</td><td bgcolor="#CCCCCC">'.
669: &prettyprint($_,$content{$_}).'</td></tr>';
670: delete $content{$_};
671: }
672: #
673: $r->print(<<ENDHEAD);
1.72 matthew 674: <h2>$title</h2>
675: <p>
676: $disuri<br />
1.36 www 677: $obsoletewarning
1.72 matthew 678: $versiondisplay
679: </p>
1.88 banghart 680: <table cellspacing="2" border="0">
1.45 www 681: $table
1.11 www 682: </table>
1.1 www 683: ENDHEAD
1.66 matthew 684: if ($ENV{'user.adv'}) {
1.68 matthew 685: &print_dynamic_metadata($r,$uri,\%content);
1.67 matthew 686: }
687: return;
688: }
689:
690: sub print_dynamic_metadata {
1.68 matthew 691: my ($r,$uri,$content) = @_;
692: #
1.69 matthew 693: my %content = %$content;
1.68 matthew 694: my %lt=&fieldnames();
1.67 matthew 695: #
696: my $description = 'Dynamic Metadata (updated periodically)';
697: $r->print('<h3>'.&mt($description).'</h3>'.
1.70 matthew 698: &mt('Processing'));
1.67 matthew 699: $r->rflush();
700: my %items=&fieldnames();
701: my %dynmeta=&dynamicmeta($uri);
702: #
703: # General Access and Usage Statistics
1.70 matthew 704: if (exists($dynmeta{'count'}) ||
705: exists($dynmeta{'sequsage'}) ||
706: exists($dynmeta{'comefrom'}) ||
707: exists($dynmeta{'goto'}) ||
708: exists($dynmeta{'course'})) {
709: $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>'.
1.88 banghart 710: '<table cellspacing="2" border="0">');
1.70 matthew 711: foreach ('count',
712: 'sequsage','sequsage_list',
713: 'comefrom','comefrom_list',
714: 'goto','goto_list',
715: 'course','course_list') {
716: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
717: '<td bgcolor="#CCCCCC">'.
718: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
719: }
720: $r->print('</table>');
721: } else {
722: $r->print('<h4>'.&mt('No Access or Usages Statistics are available for this resource.').'</h4>');
1.67 matthew 723: }
1.69 matthew 724: #
725: # Assessment statistics
1.73 matthew 726: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)$/) {
727: if (exists($dynmeta{'stdno'}) ||
728: exists($dynmeta{'avetries'}) ||
729: exists($dynmeta{'difficulty'}) ||
730: exists($dynmeta{'disc'})) {
731: # This is an assessment, print assessment data
732: $r->print('<h4>'.
733: &mt('Overall Assessment Statistical Data').
734: '</h4>'.
1.88 banghart 735: '<table cellspacing="2" border="0">');
1.73 matthew 736: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{'stdno'}.'</td>'.
1.66 matthew 737: '<td bgcolor="#CCCCCC">'.
1.73 matthew 738: &prettyprint('stdno',$dynmeta{'stdno'}).
739: '</td>'."</tr>\n");
740: foreach ('avetries','difficulty','disc') {
741: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
742: '<td bgcolor="#CCCCCC">'.
743: &prettyprint($_,sprintf('%5.2f',$dynmeta{$_})).
744: '</td>'."</tr>\n");
745: }
746: $r->print('</table>');
747: }
748: if (exists($dynmeta{'stats'})) {
749: #
750: # New assessment statistics
751: $r->print('<h4>'.
752: &mt('Detailed Assessment Statistical Data').
753: '</h4>');
1.88 banghart 754: my $table = '<table cellspacing="2" border="0">'.
1.73 matthew 755: '<tr>'.
756: '<th>Course</th>'.
757: '<th>Section(s)</th>'.
758: '<th>Num Students</th>'.
759: '<th>Mean Tries</th>'.
760: '<th>Degree of Difficulty</th>'.
761: '<th>Degree of Discrimination</th>'.
762: '<th>Time of computation</th>'.
763: '</tr>'.$/;
764: foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) {
765: my $data = $dynmeta{'stats'}->{$identifier};
766: my $course = $data->{'course'};
767: my %courseinfo = &Apache::lonnet::coursedescription($course);
768: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
769: &Apache::lonnet::logthis('lookup for '.$course.' failed');
770: next;
771: }
772: $table .= '<tr>';
773: $table .=
774: '<td><nobr>'.$courseinfo{'description'}.'</nobr></td>';
775: $table .=
776: '<td align="right">'.$data->{'sections'}.'</td>';
777: $table .=
778: '<td align="right">'.$data->{'stdno'}.'</td>';
779: foreach ('avetries','difficulty','disc') {
780: $table .= '<td align="right">';
781: if (exists($data->{$_})) {
782: $table .= sprintf('%.2f',$data->{$_}).' ';
783: } else {
784: $table .= '';
785: }
786: $table .= '</td>';
787: }
788: $table .=
789: '<td><nobr>'.
790: &Apache::lonlocal::locallocaltime($data->{'timestamp'}).
791: '</nobr></td>';
792: $table .=
793: '</tr>'.$/;
794: }
795: $table .= '</table>'.$/;
796: $r->print($table);
797: } else {
798: $r->print('No new dynamic data found.');
1.66 matthew 799: }
1.70 matthew 800: } else {
1.73 matthew 801: $r->print('<h4>'.
802: &mt('No Assessment Statistical Data is available for this resource').
803: '</h4>');
1.67 matthew 804: }
1.73 matthew 805:
806: #
807: #
1.70 matthew 808: if (exists($dynmeta{'clear'}) ||
809: exists($dynmeta{'depth'}) ||
810: exists($dynmeta{'helpful'}) ||
811: exists($dynmeta{'correct'}) ||
812: exists($dynmeta{'technical'})){
813: $r->print('<h4>'.&mt('Evaluation Data').'</h4>'.
1.88 banghart 814: '<table cellspacing="2" border="0">');
1.70 matthew 815: foreach ('clear','depth','helpful','correct','technical') {
816: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
817: '<td bgcolor="#CCCCCC">'.
818: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
819: }
820: $r->print('</table>');
821: } else {
822: $r->print('<h4>'.&mt('No Evaluation Data is available for this resource.').'</h4>');
1.67 matthew 823: }
824: $uri=~/^\/res\/(\w+)\/(\w+)\//;
825: if ((($ENV{'user.domain'} eq $1) && ($ENV{'user.name'} eq $2))
826: || ($ENV{'user.role.ca./'.$1.'/'.$2})) {
1.70 matthew 827: if (exists($dynmeta{'comments'})) {
828: $r->print('<h4>'.&mt('Evaluation Comments').' ('.
829: &mt('visible to author and co-authors only').
830: ')</h4>'.
831: '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
832: } else {
833: $r->print('<h4>'.&mt('There are no Evaluation Comments on this resource.').'</h4>');
834: }
835: my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri);
836: if (defined($bombs) && $bombs ne '') {
837: $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
838: &mt('visible to author and co-authors only').')'.
839: '</h4>'.$bombs);
840: } else {
841: $r->print('<h4>'.&mt('There are currently no Error Messages for this resource.').'</h4>');
842: }
1.67 matthew 843: }
1.69 matthew 844: #
1.67 matthew 845: # All other stuff
846: $r->print('<h3>'.
847: &mt('Additional Metadata (non-standard, parameters, exports)').
1.81 www 848: '</h3><table border="0" cellspacing="1">');
1.67 matthew 849: foreach (sort(keys(%content))) {
850: my $name=$_;
851: if ($name!~/\.display$/) {
852: my $display=&Apache::lonnet::metadata($uri,
853: $name.'.display');
854: if (! $display) {
855: $display=$name;
856: };
857: my $otherinfo='';
858: foreach ('name','part','type','default') {
859: if (defined(&Apache::lonnet::metadata($uri,
860: $name.'.'.$_))) {
861: $otherinfo.=' '.$_.'='.
862: &Apache::lonnet::metadata($uri,
863: $name.'.'.$_).'; ';
864: }
1.64 matthew 865: }
1.81 www 866: $r->print('<tr><td bgcolor="#bbccbb"><font size="-1" color="#556655">'.$display.'</font></td><td bgcolor="#ccddcc"><font size="-1" color="#556655">'.$content{$name});
1.67 matthew 867: if ($otherinfo) {
868: $r->print(' ('.$otherinfo.')');
1.64 matthew 869: }
1.81 www 870: $r->print("</font></td></tr>\n");
1.64 matthew 871: }
1.66 matthew 872: }
1.81 www 873: $r->print("</table>");
1.67 matthew 874: return;
1.66 matthew 875: }
876:
1.67 matthew 877: #####################################################
878: #####################################################
879: ### ###
880: ### Editable metadata display ###
881: ### ###
882: #####################################################
883: #####################################################
1.66 matthew 884: sub present_editable_metadata {
1.90 banghart 885: my ($r,$uri, $file_type) = @_;
1.66 matthew 886: # Construction Space Call
887: # Header
888: my $disuri=$uri;
889: my $fn=&Apache::lonnet::filelocation('',$uri);
890: $disuri=~s/^\/\~/\/priv\//;
891: $disuri=~s/\.meta$//;
892: my $target=$uri;
893: $target=~s/^\/\~/\/res\/$ENV{'request.role.domain'}\//;
894: $target=~s/\.meta$//;
895: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
896: if ($bombs) {
897: if ($ENV{'form.delmsg'}) {
898: if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
899: $bombs=&mt('Messages deleted.');
900: } else {
901: $bombs=&mt('Error deleting messages');
1.64 matthew 902: }
1.66 matthew 903: }
904: my $del=&mt('Delete Messages');
905: $r->print(<<ENDBOMBS);
1.52 www 906: <h1>$disuri</h1>
907: <form method="post" name="defaultmeta">
1.59 www 908: <input type="submit" name="delmsg" value="$del" />
1.52 www 909: <br />$bombs
910: ENDBOMBS
1.66 matthew 911: } else {
912: my $displayfile='Catalog Information for '.$disuri;
913: if ($disuri=~/\/default$/) {
914: my $dir=$disuri;
915: $dir=~s/default$//;
916: $displayfile=
917: &mt('Default Cataloging Information for Directory').' '.
918: $dir;
919: }
920: %Apache::lonpublisher::metadatafields=();
921: %Apache::lonpublisher::metadatakeys=();
1.94 banghart 922: my $result=&Apache::lonnet::getfile($fn);
923: if ($result == -1){
924: $r->print('Unable to get '.$fn);
925: return ;
926: } else {
927: &Apache::lonpublisher::metaeval($result);
928: }
1.66 matthew 929: $r->print(<<ENDEDIT);
1.23 www 930: <h1>$displayfile</h1>
1.48 www 931: <form method="post" name="defaultmeta">
1.23 www 932: ENDEDIT
1.66 matthew 933: $r->print('<script language="JavaScript">'.
1.86 albertel 934: &Apache::loncommon::browser_and_searcher_javascript().
1.66 matthew 935: '</script>');
1.90 banghart 936: my %lt=&fieldnames($file_type);
1.87 albertel 937: my $output;
1.90 banghart 938: my @fields;
939: if ($file_type eq 'portfolio') {
1.91 banghart 940: @fields = ('author','title','subject','keywords','abstract','notes','lowestgradelevel',
941: 'highestgradelevel');
1.90 banghart 942: } else {
943: @fields = ('author','title','subject','keywords','abstract','notes',
1.66 matthew 944: 'copyright','customdistributionfile','language',
945: 'standards',
1.78 taceyjo1 946: 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
1.90 banghart 947: 'obsolete','obsoletereplacement');
948: }
949: foreach (@fields) {
1.66 matthew 950: if (defined($ENV{'form.new_'.$_})) {
951: $Apache::lonpublisher::metadatafields{$_}=
952: $ENV{'form.new_'.$_};
953: }
954: if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
955: $Apache::lonpublisher::metadatafields{'copyright'}=
956: 'default';
1.64 matthew 957: }
1.87 albertel 958: $output.=('<p>'.$lt{$_}.': '.
959: &prettyinput($_,
960: $Apache::lonpublisher::metadatafields{$_},
961: 'new_'.$_,'defaultmeta').'</p>');
1.66 matthew 962: }
963: if ($ENV{'form.store'}) {
964: my $mfh;
1.94 banghart 965: my $formname='store';
966: my $file_content;
967: foreach (sort keys %Apache::lonpublisher::metadatafields) {
968: next if ($_ =~ /\./);
969: my $unikey=$_;
970: $unikey=~/^([A-Za-z]+)/;
971: my $tag=$1;
972: $tag=~tr/A-Z/a-z/;
973: $file_content.= "\n\<$tag";
974: foreach (split(/\,/,
975: $Apache::lonpublisher::metadatakeys{$unikey})
976: ) {
977: my $value=
978: $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
979: $value=~s/\"/\'\'/g;
980: $file_content.=' '.$_.'="'.$value.'"' ;
981: # print $mfh ' '.$_.'="'.$value.'"';
982: }
983: $file_content.= '>'.
984: &HTML::Entities::encode
985: ($Apache::lonpublisher::metadatafields{$unikey},
986: '<>&"').
987: '</'.$tag.'>';
988: }
989: if ($fn =~ /\/portfolio\//) {
990: $fn =~ /\/portfolio\/(.*)$/;
991: my $new_fn = '/'.$1;
992: $ENV{'form.'.$formname}=$file_content;
993: $ENV{'form.'.$formname.'.filename'}=$new_fn;
994: &Apache::lonnet::userfileupload('uploaddoc','',
995: 'portfolio'.$ENV{'form.currentpath'});
996: my $status =&Apache::lonnet::userfileupload($formname,'','portfolio');
997: if (&Apache::lonnet::userfileupload($formname,'','portfolio') eq 'error: no uploaded file') {
998: $r->print('<p><font color="red">'.
999: &mt('Could not write metadata').', '.
1000: &mt('FAIL').'</font></p>');
1001: } else {
1002: $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
1003: ' '.&Apache::lonlocal::locallocaltime(time).
1004: '</font></p>');
1005: }
1.66 matthew 1006: } else {
1.94 banghart 1007: if (! ($mfh=Apache::File->new('>'.$fn))) {
1008: $r->print('<p><font color="red">'.
1009: &mt('Could not write metadata').', '.
1010: &mt('FAIL').'</font></p>');
1011: } else {
1012: print $mfh $file_content;
1.95 ! albertel 1013: $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
! 1014: ' '.&Apache::lonlocal::locallocaltime(time).
! 1015: '</font></p>');
1.64 matthew 1016: }
1017: }
1018: }
1.87 albertel 1019: $r->print($output.'<br /><input type="submit" name="store" value="'.
1.67 matthew 1020: &mt('Store Catalog Information').'">');
1.64 matthew 1021: }
1.67 matthew 1022: $r->print('</form>');
1.66 matthew 1023: return;
1.1 www 1024: }
1.64 matthew 1025:
1.1 www 1026: 1;
1027: __END__
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