1: # The LearningOnline Network
2: # "About Me" Personal Information
3: #
4: # $Id: lonaboutme.pm,v 1.45 2006/08/02 20:18:10 albertel Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: package Apache::lonaboutme;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::loncommon;
34: use Apache::lonnet;
35: use Apache::lontexconvert;
36: use Apache::lonfeedback;
37: use Apache::lonrss();
38: use Apache::lonlocal;
39: use Apache::lonmsgdisplay();
40:
41: sub handler {
42: my $r = shift;
43: &Apache::loncommon::content_type($r,'text/html');
44: $r->send_http_header;
45: return OK if $r->header_only;
46: my $target=$env{'form.grade_target'};
47: # ------------------------------------------------------------ Print the screen
48: if ($target eq 'tex') {
49: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
50: }
51: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
52: # Is this even a user?
53: if (&Apache::lonnet::homeserver($cnum,$cdom) eq 'no_host') {
54: &Apache::loncommon::simple_error_page($r,'No info',
55: 'No user information available');
56: return OK;
57: }
58: # --------------------------------------------------------- The syllabus fields
59: my %syllabusfields=&Apache::lonlocal::texthash(
60: 'aaa_contactinfo' => 'Contact Information',
61: 'bbb_aboutme' => 'About Me',
62: 'ccc_webreferences' => 'Web References');
63:
64: # ------------------------------------------------------------ Get Query String
65: &Apache::loncommon::get_unprocessed_cgi
66: ($ENV{'QUERY_STRING'},['forceedit','forcestudent','register','action']);
67:
68: # ----------------------------------------------- Available Portfolio file display
69: if (($target ne 'tex') && ($env{'form.action'} eq 'portfolio')) {
70: my %lt = &Apache::lonlocal::texthash (
71: withoutpass => 'passphrase not required',
72: withpass => 'passphrase protected',
73: both => 'all access types ',
74: );
75: &display_portfolio_header($r);
76: &display_portfolio_files($r,\%lt);
77: $r->print(&Apache::loncommon::end_page());
78: return OK;
79: }
80:
81: # --------------------------------------------------------------- Force Student
82: my $forcestudent='';
83: if ($env{'form.forcestudent'}) { $forcestudent='student'; };
84:
85: my $forceregister = '';
86: if ($forcestudent eq '') {
87: $forceregister = $env{'form.register'};
88: }
89:
90: # --------------------------------------- There is such a user, get environment
91: my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
92: if ($target ne 'tex') {
93: my $start_page =
94: &Apache::loncommon::start_page("Personal Information",undef,
95: {'function' => $forcestudent,
96: 'domain' => $cdom,
97: 'force_register' =>
98: $forceregister,});
99: $r->print($start_page);
100: $r->print('<h1>'.&Apache::loncommon::plainname($cnum,$cdom).'</h1>');
101: } else {
102: $r->print('\noindent{\large\textbf{'.&Apache::loncommon::plainname($cnum,$cdom).'}}\\\\\\\\');
103: }
104: if ($courseenv{'nickname'}) {
105: $r->print(
106: '<h2>"'.$courseenv{'nickname'}.
107: '"</h2>');
108: }
109: if ($target ne 'tex') {
110: $r->print('<h3>'.$Apache::lonnet::domaindescription{$cdom}.'</h3>'.
111: '<p>'.&Apache::loncommon::messagewrapper('Send me a message',$cnum,$cdom).'</p>'.&Apache::lonrss::advertisefeeds($cnum,$cdom));
112: } else {
113: $r->print('\textbf{'.$Apache::lonnet::domaindescription{$cdom}.'}\\\\');
114: }
115: my %syllabus=&Apache::lonnet::dump('aboutme',$cdom,$cnum);
116: my $allowed=0;
117:
118: # does this user have privileges to post, etc?
119:
120: my $privleged=$allowed=(($env{'user.name'} eq $cnum) &&
121: ($env{'user.domain'} eq $cdom));
122: if ($forcestudent or $target eq 'tex') { $allowed=0; }
123:
124: if ($allowed) {
125: my $query_string = &build_query_string({'forcestudent' => '1',});
126: $r->print('<p><b>'.&mt('Privacy Note').':</b> '.
127: &mt('The information you submit can be viewed by anybody who is logged into LON-CAPA. Do not provide information that you are not ready to share publicly.').
128: '</p>'.
129: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'</p><p><a href="'.$r->uri.$query_string.'">Show Public View</a>'.
130: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
131: } elsif ($privleged && $target ne 'tex') {
132: my $query_string = &build_query_string({'forceedit' => '1',});
133: $r->print('<p><a href="'.$r->uri.$query_string.'"><font size="+1">'.
134: &mt('Edit').'</font></a></p>');
135: }
136: if (($env{'form.uploaddoc.filename'}) &&
137: ($env{'form.storeupl'}) && ($allowed)) {
138: if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
139: if ($syllabus{'uploaded.photourl'}) {
140: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
141: }
142: $syllabus{'uploaded.photourl'}=
143: &Apache::lonnet::userfileupload('uploaddoc',undef,'aboutme');
144: }
145: $syllabus{'uploaded.lastmodified'}=time;
146: &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
147: }
148: if ($allowed && $env{'form.delupl'}) {
149: if ($syllabus{'uploaded.photourl'}) {
150: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
151: delete($syllabus{'uploaded.photourl'});
152: &Apache::lonnet::del('aboutme',['uploaded.photourl'],$cdom,$cnum);
153: }
154: }
155: if (($allowed) && ($env{'form.storesyl'})) {
156: foreach (keys %syllabusfields) {
157: my $field=$env{'form.'.$_};
158: $field=~s/\s+$//s;
159: $field=&Apache::lonfeedback::clear_out_html($field,
160: $env{'user.adv'});
161: $syllabus{$_}=$field;
162: }
163: $syllabus{'uploaded.lastmodified'}=time;
164: &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
165: }
166:
167: # ---------------------------------------------------------------- Get syllabus
168: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
169: my $lastmod=$syllabus{'uploaded.lastmodified'};
170: $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
171: $r->print(&mt('Last updated').': '.$lastmod);
172: if ($syllabus{'uploaded.photourl'}) {
173: &Apache::lonnet::allowuploaded('/adm/aboutme',
174: $syllabus{'uploaded.photourl'});
175: my $image=
176: qq{<img src="$syllabus{'uploaded.photourl'}" align="right" />};
177: if ($target eq 'tex') {
178: $image=&Apache::lonxml::xmlparse($r,'tex',$image);
179: }
180: $r->print($image);
181: }
182: if ($allowed) {
183: $r->print(
184: '<form method="post">
185: <input type="submit" name="delupl" value="Delete Photo" />
186: </form>'.
187: '<form method="post" enctype="multipart/form-data">'.
188: '<h3>'.&mt('Upload a Photo').'</h3>'.
189: '<input type="file" name="uploaddoc" size="50">'.
190: '<input type="submit" name="storeupl" value="Upload">'.
191: '</form><form method="post">');
192:
193: }
194: foreach (sort keys %syllabusfields) {
195: if (($syllabus{$_}) || ($allowed)) {
196: my $message=$syllabus{$_};
197: &Apache::lonfeedback::newline_to_br(\$message);
198: $message
199: =~s/(http\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
200: if ($allowed) {
201: $message=&Apache::lonspeller::markeduptext($message);
202: }
203: $message=&Apache::lontexconvert::msgtexconverted($message);
204: if ($target ne 'tex') {
205: $r->print('<h3>'.$syllabusfields{$_}.'</h3><blockquote>'.
206: $message.'</blockquote>');
207: } else {
208: $r->print('\\\\\textbf{'.$syllabusfields{$_}.'}\\\\'.
209: &Apache::lonxml::xmlparse($r,'tex',$message).'\\\\');
210: }
211: if ($allowed) {
212: $r->print('<br /><textarea cols="80" rows="6" name="'.$_.'">'.
213: $syllabus{$_}.
214: '</textarea><input type="submit" name="storesyl" value="'.
215: &mt('Store').'" />');
216: }
217: }
218: }
219: if ($allowed) {
220: $r->print('</form>');
221: }
222: if ($target ne 'tex') {$r->print('</p>');} else {$r->print('\\\\');}
223: } else {
224: $r->print('<p>'.&mt('No personal information provided').'.</p>');
225: }
226:
227: if ($target ne 'tex') {
228: &print_portfiles_link($r);
229: }
230:
231: if ($env{'request.course.id'}) {
232: if (&Apache::lonnet::allowed('srm',$env{'request.course.id'})) {
233: if ($target ne 'tex') {
234: $r->print('<a name="coursecomment" />');
235: $r->print('<hr /><h3>'.
236: &mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'</h3>'.
237: &mt('Shared by course faculty and staff').
238: &Apache::loncommon::help_open_topic("Course_Face_To_Face_Records,Course_Critical_Message").
239: '<br />');
240: &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
241: $r->print('<hr />');
242: if (&Apache::lonnet::allowed('vsa',
243: $env{'request.course.id'}) ||
244: &Apache::lonnet::allowed('vsa',
245: $env{'request.course.id'}.'/'.
246: $env{'request.course.sec'})) {
247: $r->print(&Apache::loncommon::track_student_link
248: ('View recent activity by this student',
249: $cnum,$cdom).(' 'x2));
250: }
251: $r->print(&Apache::loncommon::noteswrapper('Add Records',$cnum,$cdom));
252: } else {
253: $r->print('\\\\\textbf{'.&mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'}\\\\'.&mt('Shared by course faculty and staff').'\\\\\\\\');
254: &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
255: }
256: }
257: }
258: if ($target ne 'tex') {
259: $r->print(&Apache::loncommon::end_page());
260: } else {
261: $r->print('\end{document}');
262: }
263: return OK;
264: }
265:
266: sub aboutme_info {
267: my ($r) = @_;
268: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
269: my $name = &Apache::loncommon::plainname($cnum,$cdom);
270: return ($cdom,$cnum,$name);
271: }
272:
273: sub print_portfiles_link {
274: my ($r) = @_;
275: my ($cdom,$cnum,$name) = &aboutme_info($r);
276: my $filecounts = &portfolio_files($r,'showlink');
277: my $query_string = &build_query_string({'action' => 'portfolio',});
278: my $output;
279: if ($filecounts->{'both'} > 0) {
280: $output = &mt('<h3>Viewable portfolio files</h3>');
281: $output .= '<a href="/adm/'.$cdom.'/'.$cnum.'/aboutme'.
282: $query_string.'">'.&mt('Display file listing').
283: '</a><br /><br />';
284: $output .= &mt('A total of [quant,_1,portfolio file] owned by [_2] are available.',$filecounts->{'both'},$name).'<ul>';
285: if ($filecounts->{'withoutpass'}) {
286: $output .= '<li>'.&mt('[quant,_1,file] are publicly accessible.',$filecounts->{'withoutpass'}).'</li>';
287: }
288: if ($filecounts->{'withpass'}) {
289: $output .= '<li>'.&mt('[quant,_1,file] require a passphrase for access.',$filecounts->{'withpass'}).'</li>';
290: }
291: $output .= '</ul>';
292: }
293: $r->print($output);
294: return;
295: }
296:
297: sub build_query_string {
298: my ($new_items) = @_;
299: my $query_string;
300: my @formelements = ('register');
301: my $nonew = 1;
302: if (ref($new_items) eq 'HASH') {
303: $nonew = 0;
304: if (!defined($new_items->{'forceedit'}) &&
305: !defined($new_items->{'forcestudent'})) {
306: push(@formelements,('forceedit','forcestudent'));
307: }
308: } else {
309: push(@formelements,('forceedit','forcestudent'));
310: }
311: foreach my $element (@formelements) {
312: if (exists($env{'form.'.$element})) {
313: if (($nonew) || (!defined($new_items->{$element}))) {
314: $query_string .= '&'.$element.'='.$env{'form.'.$element};
315: }
316: }
317: }
318: if (!$nonew) {
319: foreach my $key (keys(%{$new_items})) {
320: $query_string .= '&'.$key.'='.$new_items->{$key};
321: }
322: }
323: $query_string =~ s/^\&/\?/;
324: return $query_string;
325: }
326:
327: sub display_portfolio_header {
328: my ($r) = @_;
329: my ($cdom,$cnum,$name) = &aboutme_info($r);
330: my $query_string = &build_query_string();
331: &Apache::lonhtmlcommon::clear_breadcrumbs();
332: my $forcestudent='';
333: if ($env{'form.forcestudent'}) { $forcestudent='student'; };
334: my $output =
335: &Apache::loncommon::start_page('Viewable portfolio files',undef,
336: {'function' => $forcestudent,
337: 'domain' => $cdom,});
338: &Apache::lonhtmlcommon::add_breadcrumb
339: ({href=>"/adm/$cdom/$cnum/aboutme".$query_string,
340: text=>"Personal information - $name",
341: title=>"Go to personal information page for $name"},
342: {href=>"/adm/$cdom/$cnum/aboutme?action=portfolio",
343: text=>"Viewable files - $name",
344: title=>"Viewable portfolio files for $name"}
345: );
346: $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('Viewable portfolio files.'));
347: $output .= '<h3>'.&mt('Portfolio files for [_1]',$name).'</h3>';
348: $r->print($output);
349: return;
350: }
351:
352: sub display_portfolio_files {
353: my ($r,$lt) = @_;
354: my ($cdom,$cnum,$name) = &aboutme_info($r);
355: my $portaccess = 'withoutpass';
356: if (exists($env{'form.portaccess'})) {
357: $portaccess = $env{'form.portaccess'};
358: }
359: my $output = '<form action="'.&HTML::Entities::encode($r->uri,'<>&"')
360: .'" name="displaystatus" method="post">'.
361: &mt('File access type: ').'<select name="portaccess">';
362: foreach my $type ('withoutpass','withpass','both') {
363: $output .= '<option value="'.$type.'" ';
364: if ($portaccess eq $type) {
365: $output .= 'selected="selected"';
366: }
367: $output .= '>'.$lt->{$type}.'</option>';
368: }
369: $output .= '</select>'."\n".
370: '<input type="submit" name="portaccessbutton" value="'.
371: &mt('Update display').'" />'.
372: '<input type="hidden" name="action" value="'.
373: $env{'form.action'}.'" />';
374: $output .= '</form><br /><br />';
375: $r->print($output);
376: my $filecounts = &portfolio_files($r,'listfiles',$lt);
377: my $query_string = &build_query_string();
378: $r->print('<br /><br /><a href="/adm/'.$cdom.'/'.$cnum.
379: '/aboutme'.$query_string.'">'.
380: &mt('Information about [_1]',$name).'</a>');
381: return;
382: }
383:
384: sub portfolio_files {
385: my ($r,$mode,$lt) = @_;
386: my ($cdom,$cnum,$name) = &aboutme_info($r);
387: my $filecounts = {
388: withpass => 0,
389: withoutpass => 0,
390: both => 0,
391: };
392: my $current_permissions =
393: &Apache::lonnet::get_portfile_permissions($cdom,$cnum);
394: my %access_controls =
395: &Apache::lonnet::get_access_controls($current_permissions);
396: my %allfileshash;
397: my $portaccess;
398: if ($mode eq 'showlink') {
399: $portaccess = 'both';
400: } else {
401: $portaccess = 'withoutpass';
402: if (exists($env{'form.portaccess'})) {
403: $portaccess = $env{'form.portaccess'};
404: }
405: }
406:
407: foreach my $filename (keys(%access_controls)) {
408: my $access_status =
409: &Apache::lonnet::get_portfolio_access($cdom,$cnum,$filename,undef,
410: $access_controls{$filename});
411: if ($portaccess eq 'both') {
412: if (($access_status ne 'ok') &&
413: ($access_status !~ /^[^:]+:guest_/)) {
414: next;
415: }
416: } elsif ($portaccess eq 'withoutpass') {
417: if ($access_status ne 'ok') {
418: next;
419: }
420: } elsif ($portaccess eq 'withpass') {
421: if ($access_status !~ /^[^:]+:guest_/) {
422: next;
423: }
424: }
425: if ($mode eq 'listfiles') {
426: $filename =~ s/^\///;
427: my @pathitems = split('/',$filename);
428: my $lasthash = \%allfileshash;
429: while (@pathitems > 1) {
430: my $newlevel = shift(@pathitems);
431: if (!exists($lasthash->{$newlevel})) {
432: $lasthash->{$newlevel} = {};
433: }
434: $lasthash = $lasthash->{$newlevel};
435: }
436: $lasthash->{$pathitems[0]} = $filename;
437: }
438: if ($access_status eq 'ok') {
439: $filecounts->{'withoutpass'} ++;
440: } elsif ($access_status =~ /^[^:]+:guest_/) {
441: $filecounts->{'withpass'} ++;
442: }
443: }
444: $filecounts->{'both'} = $filecounts->{'withoutpass'} +
445: $filecounts->{'withpass'};
446: if ($mode eq 'listfiles') {
447: my $output;
448: if (keys(%allfileshash) > 0) {
449: $output = &portfolio_table_start();
450: $output .= &parse_directory($r,0,\%allfileshash);
451: $output .= '</table>';
452: } else {
453: my $access_text;
454: if (ref($lt) eq 'HASH') {
455: $access_text = $lt->{$portaccess};
456: }
457: $output .= &mt('There are no available files of the specified access type: [_1]',$access_text);
458: }
459: $r->print($output);
460: }
461: return $filecounts;
462: }
463:
464: {
465: my $count=0;
466: sub portfolio_table_start {
467: $count=0;
468: return '<table class="LC_aboutme_port">';
469: }
470: sub portfolio_row_start {
471: $count++;
472: my $class = ($count%2)?'LC_odd_row'
473: :'LC_even_row';
474: return '<tr class="'.$class.'">';
475: }
476: }
477:
478: sub parse_directory {
479: my ($r,$depth,$currhash) = @_;
480: my ($cdom,$cnum,$name) = &aboutme_info($r);
481: $depth++;
482: my $output;
483: foreach my $item (sort(keys(%{$currhash}))) {
484: $output .= &portfolio_row_start();
485: $output .= '<td style="padding-left: '.($depth*25).'px">';
486: if (ref($currhash->{$item}) eq 'HASH') {
487: my $title=&HTML::Entities::encode($item,'<>&"');
488: $output .= '<img src="'.&Apache::loncommon::lonhttpdurl("/adm/lonIcons/navmap.folder.open.gif").'" alt="'.&mt('Folder').' '.$title.'" class="LC_icon" /> '.$title;
489: $output .= '</td></tr>';
490: $output .= &parse_directory($r,$depth,$currhash->{$item});
491: } else {
492: my $showname;
493: if ($currhash->{$item} =~ m|/([^/]+)$|) {
494: $showname = $1;
495: } else {
496: $showname = $currhash->{$item};
497: }
498: $showname=&HTML::Entities::encode($showname,'<>&"');
499: $output .= '<img alt="" src="'.&Apache::loncommon::icon($currhash->{$item}).'" class="LC_icon" /> <a href="/uploaded/'.$cdom.'/'.$cnum.'/portfolio/'.$currhash->{$item}.'">'.$showname.'</a>';
500: $output .= '</td></tr>';
501: }
502: }
503: return $output;
504: }
505:
506: 1;
507: __END__
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