Annotation of loncom/interface/lonmeta.pm, revision 1.91
1.1 www 1: # The LearningOnline Network with CAPA
1.8 albertel 2: # Metadata display handler
3: #
1.91 ! banghart 4: # $Id: lonmeta.pm,v 1.90 2005/02/01 17:37:23 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 $file_type=shift;
240: if ($file_type eq 'portfolio') {
241: return &Apache::lonlocal::texthash
242: (
243: 'title' => 'Title',
244: 'author' =>'Author(s)',
245: 'authorspace' => 'Author Space',
246: 'modifyinguser' => 'Last Modifying User',
247: 'subject' => 'Subject',
1.91 ! banghart 248: 'keywords' => 'Keyword(s)',
! 249: 'notes' => 'Notes',
! 250: 'abstract' => 'Abstract',
! 251: 'lowestgradelevel' => 'Lowest Grade Level',
! 252: 'highestgradelevel' => 'Highest Grade Level');
1.90 banghart 253: } else {
1.64 matthew 254: return &Apache::lonlocal::texthash
255: (
256: 'title' => 'Title',
257: 'author' =>'Author(s)',
258: 'authorspace' => 'Author Space',
259: 'modifyinguser' => 'Last Modifying User',
260: 'subject' => 'Subject',
261: 'keywords' => 'Keyword(s)',
262: 'notes' => 'Notes',
263: 'abstract' => 'Abstract',
264: 'lowestgradelevel' => 'Lowest Grade Level',
265: 'highestgradelevel' => 'Highest Grade Level',
266: 'standards' => 'Standards',
267: 'mime' => 'MIME Type',
268: 'language' => 'Language',
269: 'creationdate' => 'Creation Date',
270: 'lastrevisiondate' => 'Last Revision Date',
271: 'owner' => 'Publisher/Owner',
272: 'copyright' => 'Copyright/Distribution',
273: 'customdistributionfile' => 'Custom Distribution File',
1.84 banghart 274: 'sourceavail' => 'Source Available',
1.78 taceyjo1 275: 'sourcerights' => 'Source Custom Distribution File',
1.64 matthew 276: 'obsolete' => 'Obsolete',
277: 'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
278: 'count' => 'Network-wide number of accesses (hits)',
279: 'course' => 'Network-wide number of courses using resource',
280: 'course_list' => 'Network-wide courses using resource',
281: 'sequsage' => 'Number of resources using or importing resource',
282: 'sequsage_list' => 'Resources using or importing resource',
283: 'goto' => 'Number of resources that follow this resource in maps',
284: 'goto_list' => 'Resources that follow this resource in maps',
285: 'comefrom' => 'Number of resources that lead up to this resource in maps',
286: 'comefrom_list' => 'Resources that lead up to this resource in maps',
287: 'clear' => 'Material presented in clear way',
288: 'depth' => 'Material covered with sufficient depth',
289: 'helpful' => 'Material is helpful',
290: 'correct' => 'Material appears to be correct',
291: 'technical' => 'Resource is technically correct',
292: 'avetries' => 'Average number of tries till solved',
293: 'stdno' => 'Total number of students who have worked on this problem',
1.73 matthew 294: 'difficulty' => 'Degree of difficulty',
295: 'disc' => 'Degree of discrimination',
1.83 www 296: 'dependencies' => 'Resources used by this resource',
1.64 matthew 297: );
1.90 banghart 298: }
1.45 www 299: }
1.46 www 300:
1.64 matthew 301: # Pretty printing of metadata field
1.46 www 302:
303: sub prettyprint {
1.82 www 304: my ($type,$value,$target,$prefix,$form,$noformat)=@_;
305: # $target,$prefix,$form are optional and for filecrumbs only
1.65 matthew 306: if (! defined($value)) {
307: return ' ';
308: }
1.64 matthew 309: # Title
1.46 www 310: if ($type eq 'title') {
311: return '<font size="+1" face="arial">'.$value.'</font>';
312: }
1.64 matthew 313: # Dates
1.46 www 314: if (($type eq 'creationdate') ||
315: ($type eq 'lastrevisiondate')) {
1.55 www 316: return ($value?&Apache::lonlocal::locallocaltime(
317: &Apache::lonmysql::unsqltime($value)):
318: &mt('not available'));
1.46 www 319: }
1.64 matthew 320: # Language
1.46 www 321: if ($type eq 'language') {
322: return &Apache::loncommon::languagedescription($value);
323: }
1.64 matthew 324: # Copyright
1.46 www 325: if ($type eq 'copyright') {
326: return &Apache::loncommon::copyrightdescription($value);
327: }
1.78 taceyjo1 328: # Copyright
329: if ($type eq 'sourceavail') {
330: return &Apache::loncommon::source_copyrightdescription($value);
331: }
1.64 matthew 332: # MIME
1.46 www 333: if ($type eq 'mime') {
1.64 matthew 334: return '<img src="'.&Apache::loncommon::icon($value).'" /> '.
335: &Apache::loncommon::filedescription($value);
336: }
337: # Person
1.46 www 338: if (($type eq 'author') ||
339: ($type eq 'owner') ||
340: ($type eq 'modifyinguser') ||
341: ($type eq 'authorspace')) {
342: $value=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse;
343: return $value;
344: }
1.64 matthew 345: # Gradelevel
1.48 www 346: if (($type eq 'lowestgradelevel') ||
347: ($type eq 'highestgradelevel')) {
348: return &Apache::loncommon::gradeleveldescription($value);
349: }
1.64 matthew 350: # Only for advance users below
1.65 matthew 351: if (! $ENV{'user.adv'}) {
352: return '<i>- '.&mt('not displayed').' -</i>';
353: }
1.64 matthew 354: # File
1.46 www 355: if (($type eq 'customdistributionfile') ||
356: ($type eq 'obsoletereplacement') ||
357: ($type eq 'goto_list') ||
358: ($type eq 'comefrom_list') ||
1.82 www 359: ($type eq 'sequsage_list') ||
1.83 www 360: ($type eq 'dependencies')) {
1.82 www 361: return '<ul><font size="-1">'.join("\n",map {
1.70 matthew 362: my $url = &Apache::lonnet::clutter($_);
1.72 matthew 363: my $title = &Apache::lonnet::gettitle($url);
364: if ($title eq '') {
365: $title = 'Untitled';
366: if ($url =~ /\.sequence$/) {
367: $title .= ' Sequence';
368: } elsif ($url =~ /\.page$/) {
369: $title .= ' Page';
370: } elsif ($url =~ /\.problem$/) {
371: $title .= ' Problem';
372: } elsif ($url =~ /\.html$/) {
373: $title .= ' HTML document';
374: } elsif ($url =~ m:/syllabus$:) {
375: $title .= ' Syllabus';
376: }
377: }
1.82 www 378: $_ = '<li>'.$title.' '.
379: &Apache::lonhtmlcommon::crumbs($url,$target,$prefix,$form,'-1',$noformat).
380: '</li>'
381: } split(/\s*\,\s*/,$value)).'</ul></font>';
1.46 www 382: }
1.64 matthew 383: # Evaluations
1.46 www 384: if (($type eq 'clear') ||
385: ($type eq 'depth') ||
386: ($type eq 'helpful') ||
387: ($type eq 'correct') ||
388: ($type eq 'technical')) {
389: return &evalgraph($value);
390: }
1.64 matthew 391: # Difficulty
1.73 matthew 392: if ($type eq 'difficulty' || $type eq 'disc') {
1.46 www 393: return &diffgraph($value);
394: }
1.64 matthew 395: # List of courses
1.46 www 396: if ($type=~/\_list/) {
1.72 matthew 397: my @Courses = split(/\s*\,\s*/,$value);
398: my $Str;
399: foreach my $course (@Courses) {
400: my %courseinfo = &Apache::lonnet::coursedescription($course);
401: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
402: next;
403: }
404: if ($Str ne '') { $Str .= '<br />'; }
405: $Str .= '<a href="/public/'.$courseinfo{'domain'}.'/'.
406: $courseinfo{'num'}.'/syllabus" target="preview">'.
407: $courseinfo{'description'}.'</a>';
408: }
409: return $Str;
1.46 www 410: }
1.64 matthew 411: # No pretty print found
1.46 www 412: return $value;
413: }
414:
1.64 matthew 415: # Pretty input of metadata field
1.54 www 416: sub direct {
417: return shift;
418: }
419:
1.48 www 420: sub selectbox {
421: my ($name,$value,$functionref,@idlist)=@_;
1.65 matthew 422: if (! defined($functionref)) {
423: $functionref=\&direct;
424: }
1.48 www 425: my $selout='<select name="'.$name.'">';
426: foreach (@idlist) {
427: $selout.='<option value=\''.$_.'\'';
428: if ($_ eq $value) {
429: $selout.=' selected>'.&{$functionref}($_).'</option>';
430: }
431: else {$selout.='>'.&{$functionref}($_).'</option>';}
432: }
433: return $selout.'</select>';
434: }
435:
1.54 www 436: sub relatedfield {
437: my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
1.65 matthew 438: if (! $relatedsearchflag) {
439: return '';
440: }
441: if (! defined($relatedsep)) {
442: $relatedsep=' ';
443: }
444: if (! $show) {
445: return $relatedsep.' ';
446: }
1.54 www 447: return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
448: ($relatedvalue?' checked="1"':'').' />';
449: }
1.48 www 450:
1.46 www 451: sub prettyinput {
1.54 www 452: my ($type,$value,$fieldname,$formname,
1.74 matthew 453: $relatedsearchflag,$relatedsep,$relatedvalue,$size)=@_;
1.75 matthew 454: if (! defined($size)) {
455: $size = 80;
456: }
1.64 matthew 457: # Language
1.48 www 458: if ($type eq 'language') {
459: return &selectbox($fieldname,
460: $value,
461: \&Apache::loncommon::languagedescription,
1.54 www 462: (&Apache::loncommon::languageids)).
1.64 matthew 463: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 464: }
1.64 matthew 465: # Copyright
1.48 www 466: if ($type eq 'copyright') {
467: return &selectbox($fieldname,
468: $value,
469: \&Apache::loncommon::copyrightdescription,
1.54 www 470: (&Apache::loncommon::copyrightids)).
1.64 matthew 471: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 472: }
1.78 taceyjo1 473: # Source Copyright
474: if ($type eq 'sourceavail') {
475: return &selectbox($fieldname,
476: $value,
477: \&Apache::loncommon::source_copyrightdescription,
478: (&Apache::loncommon::source_copyrightids)).
479: &relatedfield(0,$relatedsearchflag,$relatedsep);
480: }
1.64 matthew 481: # Gradelevels
1.48 www 482: if (($type eq 'lowestgradelevel') ||
483: ($type eq 'highestgradelevel')) {
1.54 www 484: return &Apache::loncommon::select_level_form($value,$fieldname).
1.64 matthew 485: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 486: }
1.64 matthew 487: # Obsolete
1.48 www 488: if ($type eq 'obsolete') {
489: return '<input type="checkbox" name="'.$fieldname.'"'.
1.54 www 490: ($value?' checked="1"':'').' />'.
1.64 matthew 491: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 492: }
1.64 matthew 493: # Obsolete replacement file
1.48 www 494: if ($type eq 'obsoletereplacement') {
495: return '<input type="text" name="'.$fieldname.
496: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
497: "('".$formname."','".$fieldname."'".
1.54 www 498: ",'')\">".&mt('Select').'</a>'.
1.64 matthew 499: &relatedfield(0,$relatedsearchflag,$relatedsep);
500: }
501: # Customdistribution file
1.48 www 502: if ($type eq 'customdistributionfile') {
503: return '<input type="text" name="'.$fieldname.
504: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
505: "('".$formname."','".$fieldname."'".
1.54 www 506: ",'rights')\">".&mt('Select').'</a>'.
1.64 matthew 507: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 508: }
1.78 taceyjo1 509: # Source Customdistribution file
510: if ($type eq 'sourcerights') {
511: return '<input type="text" name="'.$fieldname.
512: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
513: "('".$formname."','".$fieldname."'".
514: ",'rights')\">".&mt('Select').'</a>'.
515: &relatedfield(0,$relatedsearchflag,$relatedsep);
516: }
1.64 matthew 517: # Dates
1.48 www 518: if (($type eq 'creationdate') ||
519: ($type eq 'lastrevisiondate')) {
1.64 matthew 520: return
521: &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
522: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 523: }
1.64 matthew 524: # No pretty input found
1.48 www 525: $value=~s/^\s+//gs;
526: $value=~s/\s+$//gs;
527: $value=~s/\s+/ /gs;
1.77 matthew 528: $value=~s/\"/\"\;/gs;
1.54 www 529: return
1.74 matthew 530: '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
1.64 matthew 531: 'value="'.$value.'" />'.
532: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
533: $relatedvalue);
1.46 www 534: }
535:
1.64 matthew 536: # Main Handler
1.1 www 537: sub handler {
1.64 matthew 538: my $r=shift;
539: #
1.67 matthew 540: my $uri=$r->uri;
541: #
542: # Set document type
543: &Apache::loncommon::content_type($r,'text/html');
544: $r->send_http_header;
545: return OK if $r->header_only;
1.64 matthew 546: #
1.76 matthew 547: my ($resdomain,$resuser)=
548: (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
1.67 matthew 549: $r->print('<html><head><title>'.
550: 'Catalog Information'.
551: '</title></head>');
1.66 matthew 552: if ($uri=~m:/adm/bombs/(.*)$:) {
1.67 matthew 553: $r->print(&Apache::loncommon::bodytag('Error Messages'));
1.66 matthew 554: # Looking for all bombs?
555: &report_bombs($r,$uri);
1.89 banghart 556: } elsif ($uri=~/\/portfolio\//) {
557: $r->print(&Apache::loncommon::bodytag
558: ('Edit Portfolio File Information','','','',$resdomain));
1.90 banghart 559: &present_editable_metadata($r,$uri,'portfolio');
1.89 banghart 560:
1.66 matthew 561: } elsif ($uri=~/^\/\~/) {
562: # Construction space
1.67 matthew 563: $r->print(&Apache::loncommon::bodytag
564: ('Edit Catalog Information','','','',$resdomain));
1.66 matthew 565: &present_editable_metadata($r,$uri);
566: } else {
1.67 matthew 567: $r->print(&Apache::loncommon::bodytag
1.85 albertel 568: ('Catalog Information','','','',$resdomain));
1.66 matthew 569: &present_uneditable_metadata($r,$uri);
570: }
1.67 matthew 571: $r->print('</body></html>');
1.66 matthew 572: return OK;
573: }
574:
1.67 matthew 575: #####################################################
576: #####################################################
577: ### ###
578: ### Report Bombs ###
579: ### ###
580: #####################################################
581: #####################################################
1.66 matthew 582: sub report_bombs {
583: my ($r,$uri) = @_;
584: # Set document type
1.67 matthew 585: $uri =~ s:/adm/bombs/::;
586: $uri = &Apache::lonnet::declutter($uri);
1.66 matthew 587: $r->print('<h1>'.&Apache::lonnet::clutter($uri).'</h1>');
588: my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//);
589: if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) {
1.67 matthew 590: my %brokenurls =
591: &Apache::lonmsg::all_url_author_res_msg($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 $obsoletewarning='';
644: if (($obsolete) && ($ENV{'user.adv'})) {
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: $table
1.11 www 691: </table>
1.1 www 692: ENDHEAD
1.66 matthew 693: if ($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: $uri=~/^\/res\/(\w+)\/(\w+)\//;
834: if ((($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;
902: $target=~s/^\/\~/\/res\/$ENV{'request.role.domain'}\//;
903: $target=~s/\.meta$//;
904: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
905: if ($bombs) {
906: if ($ENV{'form.delmsg'}) {
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: }
913: my $del=&mt('Delete Messages');
914: $r->print(<<ENDBOMBS);
1.52 www 915: <h1>$disuri</h1>
916: <form method="post" name="defaultmeta">
1.59 www 917: <input type="submit" name="delmsg" value="$del" />
1.52 www 918: <br />$bombs
919: ENDBOMBS
1.66 matthew 920: } else {
921: my $displayfile='Catalog Information for '.$disuri;
922: if ($disuri=~/\/default$/) {
923: my $dir=$disuri;
924: $dir=~s/default$//;
925: $displayfile=
926: &mt('Default Cataloging Information for Directory').' '.
927: $dir;
928: }
929: %Apache::lonpublisher::metadatafields=();
930: %Apache::lonpublisher::metadatakeys=();
931: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile($fn));
932: $r->print(<<ENDEDIT);
1.23 www 933: <h1>$displayfile</h1>
1.48 www 934: <form method="post" name="defaultmeta">
1.23 www 935: ENDEDIT
1.66 matthew 936: $r->print('<script language="JavaScript">'.
1.86 albertel 937: &Apache::loncommon::browser_and_searcher_javascript().
1.66 matthew 938: '</script>');
1.90 banghart 939: my %lt=&fieldnames($file_type);
1.87 albertel 940: my $output;
1.90 banghart 941: my @fields;
942: if ($file_type eq 'portfolio') {
1.91 ! banghart 943: @fields = ('author','title','subject','keywords','abstract','notes','lowestgradelevel',
! 944: 'highestgradelevel');
1.90 banghart 945: } else {
946: @fields = ('author','title','subject','keywords','abstract','notes',
1.66 matthew 947: 'copyright','customdistributionfile','language',
948: 'standards',
1.78 taceyjo1 949: 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
1.90 banghart 950: 'obsolete','obsoletereplacement');
951: }
952: foreach (@fields) {
1.66 matthew 953: if (defined($ENV{'form.new_'.$_})) {
954: $Apache::lonpublisher::metadatafields{$_}=
955: $ENV{'form.new_'.$_};
956: }
957: if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
958: $Apache::lonpublisher::metadatafields{'copyright'}=
959: 'default';
1.64 matthew 960: }
1.87 albertel 961: $output.=('<p>'.$lt{$_}.': '.
962: &prettyinput($_,
963: $Apache::lonpublisher::metadatafields{$_},
964: 'new_'.$_,'defaultmeta').'</p>');
1.66 matthew 965: }
966: if ($ENV{'form.store'}) {
967: my $mfh;
968: if (! ($mfh=Apache::File->new('>'.$fn))) {
1.87 albertel 969: $r->print('<p><font color="red">'.
1.66 matthew 970: &mt('Could not write metadata').', '.
1.87 albertel 971: &mt('FAIL').'</font></p>');
1.66 matthew 972: } else {
973: foreach (sort keys %Apache::lonpublisher::metadatafields) {
1.67 matthew 974: next if ($_ =~ /\./);
975: my $unikey=$_;
976: $unikey=~/^([A-Za-z]+)/;
977: my $tag=$1;
978: $tag=~tr/A-Z/a-z/;
979: print $mfh "\n\<$tag";
980: foreach (split(/\,/,
1.64 matthew 981: $Apache::lonpublisher::metadatakeys{$unikey})
1.67 matthew 982: ) {
983: my $value=
984: $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
985: $value=~s/\"/\'\'/g;
986: print $mfh ' '.$_.'="'.$value.'"';
1.64 matthew 987: }
1.67 matthew 988: print $mfh '>'.
989: &HTML::Entities::encode
990: ($Apache::lonpublisher::metadatafields{$unikey},
991: '<>&"').
992: '</'.$tag.'>';
1.64 matthew 993: }
1.87 albertel 994: $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
995: ' '.&Apache::lonlocal::locallocaltime(time).
996: '</font></p>');
1.64 matthew 997: }
998: }
1.87 albertel 999: $r->print($output.'<br /><input type="submit" name="store" value="'.
1.67 matthew 1000: &mt('Store Catalog Information').'">');
1.64 matthew 1001: }
1.67 matthew 1002: $r->print('</form>');
1.66 matthew 1003: return;
1.1 www 1004: }
1.64 matthew 1005:
1.1 www 1006: 1;
1007: __END__
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