Annotation of loncom/interface/lonfeedback.pm, revision 1.67
1.1 www 1: # The LearningOnline Network
2: # Feedback
3: #
1.67 ! www 4: # $Id: lonfeedback.pm,v 1.66 2003/11/03 23:23:34 www Exp $
1.19 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.
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: #
1.1 www 28: # (Internal Server Error Handler
29: #
30: # (Login Screen
31: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
32: # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
33: #
34: # 3/1/1 Gerd Kortemeyer)
35: #
1.5 www 36: # 3/1,2/3,2/5,2/6,2/8 Gerd Kortemeyer
1.7 albertel 37: # 2/9 Guy Albertelli
1.8 www 38: # 2/10 Gerd Kortemeyer
1.9 albertel 39: # 2/13 Guy Albertelli
1.10 www 40: # 7/25 Gerd Kortemeyer
1.13 www 41: # 7/26 Guy Albertelli
1.21 www 42: # 7/26,8/10,10/1,11/5,11/6,12/27,12/29 Gerd Kortemeyer
1.22 www 43: # YEAR=2002
1.23 www 44: # 1/1,1/16 Gerd Kortemeyer
1.22 www 45: #
1.7 albertel 46:
1.1 www 47: package Apache::lonfeedback;
48:
49: use strict;
50: use Apache::Constants qw(:common);
1.3 www 51: use Apache::lonmsg();
1.9 albertel 52: use Apache::loncommon();
1.33 www 53: use Apache::lontexconvert();
1.62 www 54: use Apache::lonlocal;
1.54 www 55:
56: sub list_discussion {
1.57 www 57: my ($mode,$status,$symb)=@_;
58: my $discussiononly=0;
59: if ($mode eq 'board') { $discussiononly=1; }
1.55 www 60: unless ($ENV{'request.course.id'}) { return ''; }
61: my $crs='/'.$ENV{'request.course.id'};
62: if ($ENV{'request.course.sec'}) {
63: $crs.='_'.$ENV{'request.course.sec'};
64: }
65: $crs=~s/\_/\//g;
1.54 www 66: unless ($symb) {
67: $symb=&Apache::lonnet::symbread();
68: }
69: unless ($symb) { return ''; }
70: my $seeid=&Apache::lonnet::allowed('rin',$crs);
71: my $viewgrades=&Apache::lonnet::allowed('vgr',$crs);
1.64 www 72: my %discussionitems=();
1.54 www 73: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
74: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
75: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1.67 ! www 76: my $visible=0;
1.54 www 77: if ($contrib{'version'}) {
1.64 www 78: for (my $id=1;$id<=$contrib{'version'};$id++) {
79: my $idx=$id;
1.54 www 80: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
81: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
82: unless ((($hidden) && (!$seeid)) || ($deleted)) {
1.67 ! www 83: $visible++;
1.54 www 84: my $message=$contrib{$idx.':message'};
85: $message=~s/\n/\<br \/\>/g;
86: $message=&Apache::lontexconvert::msgtexconverted($message);
87: if ($contrib{$idx.':attachmenturl'}) {
88: my ($fname,$ft)
89: =($contrib{$idx.':attachmenturl'}=~/\/(\w+)\.(\w+)$/);
1.62 www 90: $message.='<p>'.&mt('Attachment').': <a href="'.
1.54 www 91: &Apache::lonnet::tokenwrapper(
92: $contrib{$idx.':attachmenturl'}).
1.63 albertel 93: '"><tt>'.$fname.'.'.$ft.'</tt></a></p>';
1.54 www 94: }
95: if ($message) {
96: if ($hidden) {
97: $message='<font color="#888888">'.$message.'</font>';
98: }
99: my $screenname=&Apache::loncommon::screenname(
100: $contrib{$idx.':sendername'},
101: $contrib{$idx.':senderdomain'});
102: my $plainname=&Apache::loncommon::nickname(
103: $contrib{$idx.':sendername'},
104: $contrib{$idx.':senderdomain'});
105:
1.62 www 106: my $sender=&mt('Anonymous');
1.54 www 107: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
108: $sender=&Apache::loncommon::aboutmewrapper(
109: $plainname,
110: $contrib{$idx.':sendername'},
111: $contrib{$idx.':senderdomain'}).' ('.
112: $contrib{$idx.':sendername'}.' at '.
113: $contrib{$idx.':senderdomain'}.')';
114: if ($contrib{$idx.':anonymous'}) {
1.62 www 115: $sender.=' ['.&mt('anonymous').'] '.
1.54 www 116: $screenname;
117: }
118: if ($seeid) {
119: if ($hidden) {
120: $sender.=' <a href="/adm/feedback?unhide='.
1.62 www 121: $symb.':::'.$idx.'">'.&mt('Make Visible').'</a>';
1.54 www 122: } else {
123: $sender.=' <a href="/adm/feedback?hide='.
1.62 www 124: $symb.':::'.$idx.'">'.&mt('Hide').'</a>';
1.54 www 125: }
126: $sender.=' <a href="/adm/feedback?deldisc='.
1.62 www 127: $symb.':::'.$idx.'">'.&mt('Delete').'</a>';
1.54 www 128: }
1.64 www 129: if (&Apache::lonnet::allowed('pch',
130: $ENV{'request.course.id'}.
131: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
132: $sender.=' <a href="/adm/feedback?replydisc='.
133: $symb.':::'.$idx.'">'.&mt('Reply').'</a>';
134: }
1.54 www 135: } else {
136: if ($screenname) {
137: $sender='<i>'.$screenname.'</i>';
138: }
139: }
140: my $vgrlink;
141: if ($viewgrades) {
142: $vgrlink=&Apache::loncommon::submlink('Submissions',
143: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$symb);
144: }
1.64 www 145: $discussionitems{$idx}='<p><b>'.$sender.'</b> '.$vgrlink.' ('.
1.54 www 146: localtime($contrib{$idx.':timestamp'}).
147: '):<blockquote>'.$message.
148: '</blockquote></p>';
149: }
150: }
151: }
1.64 www 152: }
1.67 ! www 153: my $discussion='';
! 154: if ($visible) {
! 155: $discussion.='<table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
! 156: foreach (sort { $a <=> $b } keys %discussionitems) {
! 157: $discussion.="\n<tr bgcolor='#CCCCCC'><td>".$discussionitems{$_}.
! 158: "</td></tr>";
! 159: }
! 160: $discussion.='</table>';
1.54 www 161: }
162: if ($discussiononly) {
163: $discussion.=(<<ENDDISCUSS);
164: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data">
165: <input type="submit" name="discuss" value="Post Discussion" />
166: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" />
167: <input type="hidden" name="symb" value="$symb" />
168: <input type="hidden" name="sendit" value="true" />
169: <br />
170: <font size="1">Note: in anonymous discussion, your name is visible only to
171: course faculty</font><br />
1.63 albertel 172: <textarea name="comment" cols="60" rows="10" wrap="hard"></textarea>
1.54 www 173: <p>
174: Attachment (128 KB max size): <input type="file" name="attachment" />
175: </p>
176: </form>
177: ENDDISCUSS
178: $discussion.=&generate_preview_button();
179: }
180: return $discussion;
181: }
1.1 www 182:
1.6 albertel 183: sub mail_screen {
184: my ($r,$feedurl,$options) = @_;
1.45 www 185: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion',
186: '','onLoad="window.focus();"');
1.51 albertel 187: my $title=&Apache::lonnet::gettitle($feedurl);
188: if (!$title) { $title = $feedurl; }
1.47 bowersj2 189: my $latexHelp = Apache::loncommon::helpLatexCheatsheet();
1.6 albertel 190: $r->print(<<ENDDOCUMENT);
1.1 www 191: <html>
192: <head>
193: <title>The LearningOnline Network with CAPA</title>
1.7 albertel 194: <meta http-equiv="pragma" content="no-cache"></meta>
1.63 albertel 195: <script type="text/javascript">
196: //<!--
1.5 www 197: function gosubmit() {
198: var rec=0;
1.12 albertel 199: if (typeof(document.mailform.elements.author)!="undefined") {
1.5 www 200: if (document.mailform.elements.author.checked) {
201: rec=1;
202: }
203: }
1.12 albertel 204: if (typeof(document.mailform.elements.question)!="undefined") {
1.5 www 205: if (document.mailform.elements.question.checked) {
206: rec=1;
207: }
208: }
1.12 albertel 209: if (typeof(document.mailform.elements.course)!="undefined") {
1.5 www 210: if (document.mailform.elements.course.checked) {
211: rec=1;
212: }
213: }
1.12 albertel 214: if (typeof(document.mailform.elements.policy)!="undefined") {
1.5 www 215: if (document.mailform.elements.policy.checked) {
216: rec=1;
217: }
218: }
1.12 albertel 219: if (typeof(document.mailform.elements.discuss)!="undefined") {
1.10 www 220: if (document.mailform.elements.discuss.checked) {
221: rec=1;
222: }
223: }
1.14 www 224: if (typeof(document.mailform.elements.anondiscuss)!="undefined") {
225: if (document.mailform.elements.anondiscuss.checked) {
226: rec=1;
227: }
228: }
1.5 www 229:
230: if (rec) {
231: document.mailform.submit();
232: } else {
233: alert('Please check a feedback type.');
234: }
235: }
1.63 albertel 236: //-->
1.5 www 237: </script>
1.1 www 238: </head>
1.29 www 239: $bodytag
1.51 albertel 240: <h2><tt>$title</tt></h2>
1.43 www 241: <form action="/adm/feedback" method="post" name="mailform"
242: enctype="multipart/form-data">
1.63 albertel 243: <input type="hidden" name="postdata" value="$feedurl" />
1.5 www 244: Please check at least one of the following feedback types:
1.63 albertel 245: $options<hr />
246: <p>My question/comment/feedback:</p>
247: <p>
1.47 bowersj2 248: $latexHelp
1.63 albertel 249: <textarea name="comment" cols="60" rows="10" wrap="hard">
250: </textarea></p>
251: <p>
1.42 www 252: Attachment (128 KB max size): <input type="file" name="attachment" />
253: </p>
254: <p>
255: <input type="hidden" name="sendit" value="1" />
1.63 albertel 256: <input type="button" value="Send Feedback" onClick='gosubmit();' />
1.42 www 257: </p>
1.2 www 258: </form>
1.1 www 259: ENDDOCUMENT
1.33 www 260: $r->print(&generate_preview_button().'</body></html>');
1.6 albertel 261: }
262:
263: sub fail_redirect {
264: my ($r,$feedurl) = @_;
265: $r->print (<<ENDFAILREDIR);
1.5 www 266: <head><title>Feedback not sent</title>
1.63 albertel 267: <meta http-equiv="pragma" content="no-cache" />
268: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
1.5 www 269: </head>
270: <html>
271: <body bgcolor="#FFFFFF">
1.63 albertel 272: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1.8 www 273: <b>Sorry, no recipients ...</b>
1.5 www 274: </body>
275: </html>
276: ENDFAILREDIR
277: }
1.4 www 278:
1.6 albertel 279: sub redirect_back {
1.32 albertel 280: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status) = @_;
1.6 albertel 281: $r->print (<<ENDREDIR);
1.3 www 282: <head>
283: <title>Feedback sent</title>
1.63 albertel 284: <meta http-equiv="pragma" content="no-cache" />
1.5 www 285: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl">
1.2 www 286: </head>
287: <html>
1.49 www 288: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
1.63 albertel 289: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1.5 www 290: $typestyle
1.32 albertel 291: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
1.63 albertel 292: <font color="red">$status</font>
1.49 www 293: <form name="reldt" action="$feedurl" target="loncapaclient">
294: </form>
1.2 www 295: </body>
296: </html>
297: ENDREDIR
298: }
1.6 albertel 299:
300: sub no_redirect_back {
301: my ($r,$feedurl) = @_;
302: $r->print (<<ENDNOREDIR);
1.2 www 303: <head><title>Feedback not sent</title>
1.63 albertel 304: <meta http-equiv="pragma" content="no-cache" />
1.7 albertel 305: ENDNOREDIR
306:
1.8 www 307: if ($feedurl!~/^\/adm\/feedback/) {
1.7 albertel 308: $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='.$feedurl.'">');
309: }
310:
1.8 www 311: $r->print (<<ENDNOREDIRTWO);
1.2 www 312: </head>
313: <html>
1.49 www 314: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'>
1.63 albertel 315: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1.8 www 316: <b>Sorry, no feedback possible on this resource ...</b>
1.2 www 317: </body>
318: </html>
1.8 www 319: ENDNOREDIRTWO
1.2 www 320: }
1.6 albertel 321:
322: sub screen_header {
1.65 www 323: my ($feedurl) = @_;
324: my $msgoptions='';
325: my $discussoptions='';
326: unless ($ENV{'form.replydisc'}) {
327: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/)) {
328: $msgoptions=
329: '<p><input type="checkbox" name="author" /> '.
330: &mt('Feedback to resource author').'</p>';
331: }
332: if (&feedback_available(1)) {
333: $msgoptions.=
334: '<br /><input type="checkbox" name="question" /> '.
335: &mt('Question about resource content');
336: }
337: if (&feedback_available(0,1)) {
338: $msgoptions.=
339: '<br /><input type="checkbox" name="course" /> '.
340: &mt('Question/Comment/Feedback about course content');
341: }
342: if (&feedback_available(0,0,1)) {
343: $msgoptions.=
344: '<br /><input type="checkbox" name="policy" /> '.
345: &mt('Question/Comment/Feedback about course policy');
346: }
347: }
348: if ($ENV{'request.course.id'}) {
349: if (&Apache::lonnet::allowed('pch',
350: $ENV{'request.course.id'}.
351: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
352: $discussoptions='<input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" /> '.
353: &mt('Contribution to course discussion of resource');
354: $discussoptions.='<br /><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '.
355: &mt('Anonymous contribution to course discussion of resource').
356: ' <i>('.&mt('name only visible to course faculty').')</i>';
1.20 www 357: }
1.65 www 358: }
359: if ($msgoptions) { $msgoptions='<h2>'.&mt('Sending Messages').'</h2>'.$msgoptions; }
360: if ($discussoptions) {
361: $discussoptions='<h2>'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
362: return $msgoptions.$discussoptions;
1.6 albertel 363: }
364:
365: sub resource_output {
366: my ($feedurl) = @_;
1.46 albertel 367: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
1.6 albertel 368: $usersaw=~s/\<body[^\>]*\>//gi;
369: $usersaw=~s/\<\/body\>//gi;
370: $usersaw=~s/\<html\>//gi;
371: $usersaw=~s/\<\/html\>//gi;
372: $usersaw=~s/\<head\>//gi;
373: $usersaw=~s/\<\/head\>//gi;
374: $usersaw=~s/action\s*\=/would_be_action\=/gi;
375: return $usersaw;
376: }
377:
378: sub clear_out_html {
1.39 www 379: my ($message,$override)=@_;
1.37 albertel 380: my $cid=$ENV{'request.course.id'};
1.39 www 381: if (($ENV{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
382: ($override)) {
1.37 albertel 383: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
384: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG>
385: my %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
1.61 www 386: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
387: M=>1);
1.37 albertel 388:
389: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
1.48 albertel 390: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
1.37 albertel 391: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
1.48 albertel 392: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
1.37 albertel 393: } else {
394: $message=~s/\</\<\;/g;
395: $message=~s/\>/\>\;/g;
396: }
1.6 albertel 397: return $message;
398: }
399:
400: sub assemble_email {
1.40 albertel 401: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
1.6 albertel 402: my $email=<<"ENDEMAIL";
403: Refers to <a href="$feedurl">$feedurl</a>
404:
405: $message
406: ENDEMAIL
407: my $citations=<<"ENDCITE";
408: <h2>Previous attempts of student (if applicable)</h2>
409: $prevattempts
1.63 albertel 410: <br /><hr />
1.6 albertel 411: <h2>Original screen output (if applicable)</h2>
412: $usersaw
1.40 albertel 413: <h2>Correct Answer(s) (if applicable)</h2>
414: $useranswer
1.6 albertel 415: ENDCITE
416: return ($email,$citations);
417: }
418:
1.35 www 419: sub secapply {
420: my $rec=shift;
1.36 www 421: my $defaultflag=shift;
422: $rec=~s/\s+//g;
423: $rec=~s/\@/\:/g;
424: my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
425: if ($sections) {
426: foreach (split(/\;/,$sections)) {
427: if (($_ eq $ENV{'request.course.sec'}) ||
428: ($defaultflag && ($_ eq '*'))) {
429: return $adr;
430: }
431: }
432: } else {
433: return $rec;
434: }
435: return '';
1.35 www 436: }
437:
1.6 albertel 438: sub decide_receiver {
1.36 www 439: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
1.6 albertel 440: my $typestyle='';
441: my %to=();
1.36 www 442: if ($ENV{'form.author'}||$author) {
1.8 www 443: $typestyle.='Submitting as Author Feedback<br>';
1.6 albertel 444: $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
445: $to{$2.':'.$1}=1;
446: }
1.36 www 447: if ($ENV{'form.question'}||$question) {
1.8 www 448: $typestyle.='Submitting as Question<br>';
1.24 harris41 449: foreach (split(/\,/,
450: $ENV{'course.'.$ENV{'request.course.id'}.'.question.email'})
451: ) {
1.36 www 452: my $rec=&secapply($_,$defaultflag);
453: if ($rec) { $to{$rec}=1; }
1.24 harris41 454: }
1.6 albertel 455: }
1.36 www 456: if ($ENV{'form.course'}||$course) {
1.63 albertel 457: $typestyle.='Submitting as Comment<br />';
1.24 harris41 458: foreach (split(/\,/,
459: $ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'})
460: ) {
1.36 www 461: my $rec=&secapply($_,$defaultflag);
462: if ($rec) { $to{$rec}=1; }
1.24 harris41 463: }
1.6 albertel 464: }
1.36 www 465: if ($ENV{'form.policy'}||$policy) {
1.63 albertel 466: $typestyle.='Submitting as Policy Feedback<br />';
1.24 harris41 467: foreach (split(/\,/,
468: $ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'})
469: ) {
1.36 www 470: my $rec=&secapply($_,$defaultflag);
471: if ($rec) { $to{$rec}=1; }
1.24 harris41 472: }
1.6 albertel 473: }
1.36 www 474: if ((scalar(%to) eq '0') && (!$defaultflag)) {
475: ($typestyle,%to)=
476: &decide_receiver($feedurl,$author,$question,$course,$policy,1);
477: }
1.6 albertel 478: return ($typestyle,%to);
1.36 www 479: }
480:
481: sub feedback_available {
482: my ($question,$course,$policy)=@_;
483: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
484: return scalar(%to);
1.6 albertel 485: }
486:
487: sub send_msg {
1.43 www 488: my ($feedurl,$email,$citations,$attachmenturl,%to)=@_;
1.6 albertel 489: my $status='';
490: my $sendsomething=0;
1.24 harris41 491: foreach (keys %to) {
1.6 albertel 492: if ($_) {
1.22 www 493: my $declutter=&Apache::lonnet::declutter($feedurl);
1.8 www 494: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_),
1.43 www 495: 'Feedback ['.$declutter.']',$email,$citations,$feedurl,
496: $attachmenturl)=~/ok/) {
1.63 albertel 497: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />';
1.6 albertel 498: } else {
499: $sendsomething++;
500: }
501: }
1.24 harris41 502: }
1.18 www 503:
504: my %record=&Apache::lonnet::restore('_feedback');
505: my ($temp)=keys %record;
506: unless ($temp=~/^error\:/) {
507: my %newrecord=();
508: $newrecord{'resource'}=$feedurl;
509: $newrecord{'subnumber'}=$record{'subnumber'}+1;
510: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
1.63 albertel 511: $status.='<br />'.&mt('Not registered').'<br />';
1.18 www 512: }
513: }
514:
1.6 albertel 515: return ($status,$sendsomething);
516: }
517:
1.13 www 518: sub adddiscuss {
1.42 www 519: my ($symb,$email,$anon,$attachmenturl)=@_;
1.13 www 520: my $status='';
1.23 www 521: if (&Apache::lonnet::allowed('pch',$ENV{'request.course.id'}.
522: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
1.20 www 523:
1.13 www 524: my %contrib=('message' => $email,
525: 'sendername' => $ENV{'user.name'},
1.26 www 526: 'senderdomain' => $ENV{'user.domain'},
527: 'screenname' => $ENV{'environment.screenname'},
528: 'plainname' => $ENV{'environment.firstname'}.' '.
529: $ENV{'environment.middlename'}.' '.
530: $ENV{'environment.lastname'}.' '.
1.42 www 531: $ENV{'enrironment.generation'},
1.43 www 532: 'attachmenturl'=> $attachmenturl);
1.65 www 533: if ($ENV{'form.replydisc'}) {
1.66 www 534: $contrib{'replyto'}=(split(/\:\:\:/,$ENV{'form.replydisc'}))[1];
1.65 www 535: }
1.14 www 536: if ($anon) {
537: $contrib{'anonymous'}='true';
538: }
1.13 www 539: if (($symb) && ($email)) {
1.14 www 540: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
1.13 www 541: &Apache::lonnet::store(\%contrib,$symb,$ENV{'request.course.id'},
542: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1.17 www 543: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1.21 www 544: my %storenewentry=($symb => time);
1.63 albertel 545: $status.='<br />'.&mt('Updating discussion time').': '.
1.21 www 546: &Apache::lonnet::put('discussiontimes',\%storenewentry,
547: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
548: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1.13 www 549: }
1.17 www 550: my %record=&Apache::lonnet::restore('_discussion');
551: my ($temp)=keys %record;
552: unless ($temp=~/^error\:/) {
553: my %newrecord=();
554: $newrecord{'resource'}=$symb;
555: $newrecord{'subnumber'}=$record{'subnumber'}+1;
1.63 albertel 556: $status.='<br />'.&mt('Registering').': '.
1.21 www 557: &Apache::lonnet::cstore(\%newrecord,'_discussion');
1.20 www 558: }
559: } else {
560: $status.='Failed.';
1.17 www 561: }
1.63 albertel 562: return $status.'<br />';
1.13 www 563: }
564:
1.33 www 565: # ----------------------------------------------------------- Preview function
566:
567: sub show_preview {
568: my $r=shift;
569: my $message=&clear_out_html($ENV{'form.comment'});
570: $message=~s/\n/\<br \/\>/g;
571: $message=&Apache::lontexconvert::msgtexconverted($message);
572: $r->print('<table border="2"><tr><td>'.
573: $message.'</td></tr></table>');
574: }
575:
576: sub generate_preview_button {
1.65 www 577: my $pre=&mt("Show Preview");
1.33 www 578: return(<<ENDPREVIEW);
579: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
580: <input type="hidden" name="comment" />
1.65 www 581: <input type="button" value="$pre"
1.33 www 582: onClick="this.form.comment.value=document.mailform.comment.value;this.form.submit();" />
583: </form>
584: ENDPREVIEW
585: }
1.6 albertel 586: sub handler {
587: my $r = shift;
1.8 www 588: if ($r->header_only) {
589: $r->content_type('text/html');
590: $r->send_http_header;
591: return OK;
592: }
1.15 www 593:
594: # --------------------------- Get query string for limited number of parameters
595:
1.27 stredwic 596: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.65 www 597: ['hide','unhide','deldisc','postdata','preview','replydisc']);
1.15 www 598:
599: if (($ENV{'form.hide'}) || ($ENV{'form.unhide'})) {
600: # ----------------------------------------------------------------- Hide/unhide
601: $r->content_type('text/html');
602: $r->send_http_header;
603:
604: my $entry=$ENV{'form.hide'}?$ENV{'form.hide'}:$ENV{'form.unhide'};
605:
606: my ($symb,$idx)=split(/\:\:\:/,$entry);
1.52 www 607: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1.15 www 608:
609: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
610: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
611: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
612:
613:
614: my $currenthidden=$contrib{'hidden'};
615:
616: if ($ENV{'form.hide'}) {
617: $currenthidden.='.'.$idx.'.';
618: } else {
619: $currenthidden=~s/\.$idx\.//g;
620: }
621: my %newhash=('hidden' => $currenthidden);
1.38 www 622:
623: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
624: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
625: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
626:
627: &redirect_back($r,&Apache::lonnet::clutter($url),
1.63 albertel 628: &mt('Changed discussion status').'<br />','0','0');
1.38 www 629: } elsif ($ENV{'form.deldisc'}) {
630: # --------------------------------------------------------------- Hide for good
631: $r->content_type('text/html');
632: $r->send_http_header;
633:
634: my $entry=$ENV{'form.deldisc'};
635:
636: my ($symb,$idx)=split(/\:\:\:/,$entry);
1.52 www 637: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1.38 www 638:
639: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
640: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
641: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
642:
643:
644: my $currentdeleted=$contrib{'deleted'};
645:
646: $currentdeleted.='.'.$idx.'.';
647:
648: my %newhash=('deleted' => $currentdeleted);
1.15 www 649:
650: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
651: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
652: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
653:
1.30 www 654: &redirect_back($r,&Apache::lonnet::clutter($url),
1.63 albertel 655: &mt('Changed discussion status').'<br />','0','0');
1.33 www 656: } elsif ($ENV{'form.preview'}) {
657: # -------------------------------------------------------- User wants a preview
658: &show_preview($r);
1.15 www 659: } else {
660: # ------------------------------------------------------------- Normal feedback
1.6 albertel 661: my $feedurl=$ENV{'form.postdata'};
662: $feedurl=~s/^http\:\/\///;
663: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
664: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
1.62 www 665: $feedurl=~s/\?.+$//;
1.8 www 666:
1.66 www 667: my $symb;
668: if ($ENV{'form.replydisc'}) {
669: $symb=(split(/\:\:\:/,$ENV{'form.replydisc'}))[0];
670: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
671: $feedurl=&Apache::lonnet::clutter($url);
672: } else {
673: $symb=&Apache::lonnet::symbread($feedurl);
674: }
1.31 www 675: unless ($symb) {
676: $symb=$ENV{'form.symb'};
677: if ($symb) {
1.52 www 678: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
1.31 www 679: $feedurl=&Apache::lonnet::clutter($url);
680: }
681: }
1.8 www 682: my $goahead=1;
683: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form)$/) {
684: unless ($symb) { $goahead=0; }
685: }
686:
687: if ($goahead) {
688: # Go ahead with feedback, no ambiguous reference
689: $r->content_type('text/html');
690: $r->send_http_header;
1.6 albertel 691:
1.8 www 692: if (
1.7 albertel 693: (
694: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
695: )
696: ||
697: ($ENV{'request.course.id'} && ($feedurl!~m:^/adm:))
1.31 www 698: ||
699: ($ENV{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
1.7 albertel 700: ) {
1.6 albertel 701: # --------------------------------------------------- Print login screen header
702: unless ($ENV{'form.sendit'}) {
703: my $options=&screen_header($feedurl);
704: if ($options) {
705: &mail_screen($r,$feedurl,$options);
706: } else {
707: &fail_redirect($r,$feedurl);
708: }
709: } else {
710:
711: # Get previous user input
1.9 albertel 712: my $prevattempts=&Apache::loncommon::get_previous_attempt(
1.11 albertel 713: $symb,$ENV{'user.name'},$ENV{'user.domain'},
1.9 albertel 714: $ENV{'request.course.id'});
1.6 albertel 715:
716: # Get output from resource
717: my $usersaw=&resource_output($feedurl);
718:
1.50 albertel 719: # Get resource answer (need to allow student to view grades for this to work)
720: &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
1.40 albertel 721: my $useranswer=&Apache::loncommon::get_student_answers(
722: $symb,$ENV{'user.name'},$ENV{'user.domain'},
723: $ENV{'request.course.id'});
1.50 albertel 724: &Apache::lonnet::delenv('allowed.vgr');
1.42 www 725: # Get attachments, if any, and not too large
726: my $attachmenturl='';
727: if ($ENV{'form.attachment.filename'}) {
728: unless (length($ENV{'form.attachment'})>131072) {
1.43 www 729: $attachmenturl=&Apache::lonnet::userfileupload('attachment');
1.42 www 730: }
731: }
1.6 albertel 732: # Filter HTML out of message (could be nasty)
1.39 www 733: my $message=&clear_out_html($ENV{'form.comment'});
1.6 albertel 734:
735: # Assemble email
1.8 www 736: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
1.40 albertel 737: $usersaw,$useranswer);
738:
1.6 albertel 739: # Who gets this?
740: my ($typestyle,%to) = &decide_receiver($feedurl);
741:
742: # Actually send mail
1.43 www 743: my ($status,$numsent)=&send_msg($feedurl,$email,$citations,
744: $attachmenturl,%to);
1.13 www 745:
746: # Discussion? Store that.
747:
1.32 albertel 748: my $numpost=0;
1.13 www 749: if ($ENV{'form.discuss'}) {
1.42 www 750: $typestyle.=&adddiscuss($symb,$message,0,$attachmenturl);
1.32 albertel 751: $numpost++;
1.13 www 752: }
1.6 albertel 753:
1.14 www 754: if ($ENV{'form.anondiscuss'}) {
1.42 www 755: $typestyle.=&adddiscuss($symb,$message,1,$attachmenturl);
1.32 albertel 756: $numpost++;
1.14 www 757: }
758:
759:
1.6 albertel 760: # Receipt screen and redirect back to where came from
1.32 albertel 761: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status);
1.6 albertel 762:
763: }
1.8 www 764: } else {
1.7 albertel 765: # Unable to give feedback
1.6 albertel 766: &no_redirect_back($r,$feedurl);
1.8 www 767: }
768: } else {
769: # Ambiguous Problem Resource
1.60 albertel 770: if ( &Apache::lonnet::mod_perl_version() == 2 ) {
1.53 albertel 771: &Apache::lonnet::cleanenv();
1.58 albertel 772: }
1.53 albertel 773: $r->internal_redirect('/adm/ambiguous');
1.6 albertel 774: }
1.15 www 775: }
1.6 albertel 776: return OK;
1.1 www 777: }
778:
779: 1;
780: __END__
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