Annotation of loncom/interface/lonfeedback.pm, revision 1.64
1.1 www 1: # The LearningOnline Network
2: # Feedback
3: #
1.64 ! www 4: # $Id: lonfeedback.pm,v 1.63 2003/10/15 20:13:31 albertel 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'});
76: if ($contrib{'version'}) {
1.64 ! www 77: for (my $id=1;$id<=$contrib{'version'};$id++) {
! 78: my $idx=$id;
1.54 www 79: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
80: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
81: unless ((($hidden) && (!$seeid)) || ($deleted)) {
82: my $message=$contrib{$idx.':message'};
83: $message=~s/\n/\<br \/\>/g;
84: $message=&Apache::lontexconvert::msgtexconverted($message);
85: if ($contrib{$idx.':attachmenturl'}) {
86: my ($fname,$ft)
87: =($contrib{$idx.':attachmenturl'}=~/\/(\w+)\.(\w+)$/);
1.62 www 88: $message.='<p>'.&mt('Attachment').': <a href="'.
1.54 www 89: &Apache::lonnet::tokenwrapper(
90: $contrib{$idx.':attachmenturl'}).
1.63 albertel 91: '"><tt>'.$fname.'.'.$ft.'</tt></a></p>';
1.54 www 92: }
93: if ($message) {
94: if ($hidden) {
95: $message='<font color="#888888">'.$message.'</font>';
96: }
97: my $screenname=&Apache::loncommon::screenname(
98: $contrib{$idx.':sendername'},
99: $contrib{$idx.':senderdomain'});
100: my $plainname=&Apache::loncommon::nickname(
101: $contrib{$idx.':sendername'},
102: $contrib{$idx.':senderdomain'});
103:
1.62 www 104: my $sender=&mt('Anonymous');
1.54 www 105: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
106: $sender=&Apache::loncommon::aboutmewrapper(
107: $plainname,
108: $contrib{$idx.':sendername'},
109: $contrib{$idx.':senderdomain'}).' ('.
110: $contrib{$idx.':sendername'}.' at '.
111: $contrib{$idx.':senderdomain'}.')';
112: if ($contrib{$idx.':anonymous'}) {
1.62 www 113: $sender.=' ['.&mt('anonymous').'] '.
1.54 www 114: $screenname;
115: }
116: if ($seeid) {
117: if ($hidden) {
118: $sender.=' <a href="/adm/feedback?unhide='.
1.62 www 119: $symb.':::'.$idx.'">'.&mt('Make Visible').'</a>';
1.54 www 120: } else {
121: $sender.=' <a href="/adm/feedback?hide='.
1.62 www 122: $symb.':::'.$idx.'">'.&mt('Hide').'</a>';
1.54 www 123: }
124: $sender.=' <a href="/adm/feedback?deldisc='.
1.62 www 125: $symb.':::'.$idx.'">'.&mt('Delete').'</a>';
1.54 www 126: }
1.64 ! www 127: if (&Apache::lonnet::allowed('pch',
! 128: $ENV{'request.course.id'}.
! 129: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
! 130: $sender.=' <a href="/adm/feedback?replydisc='.
! 131: $symb.':::'.$idx.'">'.&mt('Reply').'</a>';
! 132: }
1.54 www 133: } else {
134: if ($screenname) {
135: $sender='<i>'.$screenname.'</i>';
136: }
137: }
138: my $vgrlink;
139: if ($viewgrades) {
140: $vgrlink=&Apache::loncommon::submlink('Submissions',
141: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$symb);
142: }
1.64 ! www 143: $discussionitems{$idx}='<p><b>'.$sender.'</b> '.$vgrlink.' ('.
1.54 www 144: localtime($contrib{$idx.':timestamp'}).
145: '):<blockquote>'.$message.
146: '</blockquote></p>';
147: }
148: }
149: }
1.64 ! www 150: }
! 151: my $discussion='<hr />';
! 152: foreach (sort { $a <=> $b } keys %discussionitems) {
! 153: $discussion.=$discussionitems{$_};
1.54 www 154: }
155: if ($discussiononly) {
156: $discussion.=(<<ENDDISCUSS);
157: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data">
158: <input type="submit" name="discuss" value="Post Discussion" />
159: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" />
160: <input type="hidden" name="symb" value="$symb" />
161: <input type="hidden" name="sendit" value="true" />
162: <br />
163: <font size="1">Note: in anonymous discussion, your name is visible only to
164: course faculty</font><br />
1.63 albertel 165: <textarea name="comment" cols="60" rows="10" wrap="hard"></textarea>
1.54 www 166: <p>
167: Attachment (128 KB max size): <input type="file" name="attachment" />
168: </p>
169: </form>
170: ENDDISCUSS
171: $discussion.=&generate_preview_button();
172: }
173: return $discussion;
174: }
1.1 www 175:
1.6 albertel 176: sub mail_screen {
177: my ($r,$feedurl,$options) = @_;
1.45 www 178: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion',
179: '','onLoad="window.focus();"');
1.51 albertel 180: my $title=&Apache::lonnet::gettitle($feedurl);
181: if (!$title) { $title = $feedurl; }
1.47 bowersj2 182: my $latexHelp = Apache::loncommon::helpLatexCheatsheet();
1.6 albertel 183: $r->print(<<ENDDOCUMENT);
1.1 www 184: <html>
185: <head>
186: <title>The LearningOnline Network with CAPA</title>
1.7 albertel 187: <meta http-equiv="pragma" content="no-cache"></meta>
1.63 albertel 188: <script type="text/javascript">
189: //<!--
1.5 www 190: function gosubmit() {
191: var rec=0;
1.12 albertel 192: if (typeof(document.mailform.elements.author)!="undefined") {
1.5 www 193: if (document.mailform.elements.author.checked) {
194: rec=1;
195: }
196: }
1.12 albertel 197: if (typeof(document.mailform.elements.question)!="undefined") {
1.5 www 198: if (document.mailform.elements.question.checked) {
199: rec=1;
200: }
201: }
1.12 albertel 202: if (typeof(document.mailform.elements.course)!="undefined") {
1.5 www 203: if (document.mailform.elements.course.checked) {
204: rec=1;
205: }
206: }
1.12 albertel 207: if (typeof(document.mailform.elements.policy)!="undefined") {
1.5 www 208: if (document.mailform.elements.policy.checked) {
209: rec=1;
210: }
211: }
1.12 albertel 212: if (typeof(document.mailform.elements.discuss)!="undefined") {
1.10 www 213: if (document.mailform.elements.discuss.checked) {
214: rec=1;
215: }
216: }
1.14 www 217: if (typeof(document.mailform.elements.anondiscuss)!="undefined") {
218: if (document.mailform.elements.anondiscuss.checked) {
219: rec=1;
220: }
221: }
1.5 www 222:
223: if (rec) {
224: document.mailform.submit();
225: } else {
226: alert('Please check a feedback type.');
227: }
228: }
1.63 albertel 229: //-->
1.5 www 230: </script>
1.1 www 231: </head>
1.29 www 232: $bodytag
1.51 albertel 233: <h2><tt>$title</tt></h2>
1.43 www 234: <form action="/adm/feedback" method="post" name="mailform"
235: enctype="multipart/form-data">
1.63 albertel 236: <input type="hidden" name="postdata" value="$feedurl" />
1.5 www 237: Please check at least one of the following feedback types:
1.63 albertel 238: $options<hr />
239: <p>My question/comment/feedback:</p>
240: <p>
1.47 bowersj2 241: $latexHelp
1.63 albertel 242: <textarea name="comment" cols="60" rows="10" wrap="hard">
243: </textarea></p>
244: <p>
1.42 www 245: Attachment (128 KB max size): <input type="file" name="attachment" />
246: </p>
247: <p>
248: <input type="hidden" name="sendit" value="1" />
1.63 albertel 249: <input type="button" value="Send Feedback" onClick='gosubmit();' />
1.42 www 250: </p>
1.2 www 251: </form>
1.1 www 252: ENDDOCUMENT
1.33 www 253: $r->print(&generate_preview_button().'</body></html>');
1.6 albertel 254: }
255:
256: sub fail_redirect {
257: my ($r,$feedurl) = @_;
258: $r->print (<<ENDFAILREDIR);
1.5 www 259: <head><title>Feedback not sent</title>
1.63 albertel 260: <meta http-equiv="pragma" content="no-cache" />
261: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
1.5 www 262: </head>
263: <html>
264: <body bgcolor="#FFFFFF">
1.63 albertel 265: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1.8 www 266: <b>Sorry, no recipients ...</b>
1.5 www 267: </body>
268: </html>
269: ENDFAILREDIR
270: }
1.4 www 271:
1.6 albertel 272: sub redirect_back {
1.32 albertel 273: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status) = @_;
1.6 albertel 274: $r->print (<<ENDREDIR);
1.3 www 275: <head>
276: <title>Feedback sent</title>
1.63 albertel 277: <meta http-equiv="pragma" content="no-cache" />
1.5 www 278: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl">
1.2 www 279: </head>
280: <html>
1.49 www 281: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
1.63 albertel 282: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1.5 www 283: $typestyle
1.32 albertel 284: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
1.63 albertel 285: <font color="red">$status</font>
1.49 www 286: <form name="reldt" action="$feedurl" target="loncapaclient">
287: </form>
1.2 www 288: </body>
289: </html>
290: ENDREDIR
291: }
1.6 albertel 292:
293: sub no_redirect_back {
294: my ($r,$feedurl) = @_;
295: $r->print (<<ENDNOREDIR);
1.2 www 296: <head><title>Feedback not sent</title>
1.63 albertel 297: <meta http-equiv="pragma" content="no-cache" />
1.7 albertel 298: ENDNOREDIR
299:
1.8 www 300: if ($feedurl!~/^\/adm\/feedback/) {
1.7 albertel 301: $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='.$feedurl.'">');
302: }
303:
1.8 www 304: $r->print (<<ENDNOREDIRTWO);
1.2 www 305: </head>
306: <html>
1.49 www 307: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'>
1.63 albertel 308: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1.8 www 309: <b>Sorry, no feedback possible on this resource ...</b>
1.2 www 310: </body>
311: </html>
1.8 www 312: ENDNOREDIRTWO
1.2 www 313: }
1.6 albertel 314:
315: sub screen_header {
316: my ($feedurl) = @_;
1.49 www 317: my $msgoptions='';
318: my $discussoptions='';
1.35 www 319: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/)) {
1.49 www 320: $msgoptions=
1.63 albertel 321: '<p><input type="checkbox" name="author" /> '.
322: &mt('Feedback to resource author').'</p>';
1.6 albertel 323: }
1.36 www 324: if (&feedback_available(1)) {
1.49 www 325: $msgoptions.=
1.63 albertel 326: '<br /><input type="checkbox" name="question" /> '.
1.62 www 327: &mt('Question about resource content');
1.6 albertel 328: }
1.36 www 329: if (&feedback_available(0,1)) {
1.49 www 330: $msgoptions.=
1.63 albertel 331: '<br /><input type="checkbox" name="course" /> '.
1.62 www 332: &mt('Question/Comment/Feedback about course content');
1.6 albertel 333: }
1.36 www 334: if (&feedback_available(0,0,1)) {
1.49 www 335: $msgoptions.=
1.63 albertel 336: '<br /><input type="checkbox" name="policy" /> '.
1.62 www 337: &mt('Question/Comment/Feedback about course policy');
1.10 www 338: }
1.20 www 339:
1.10 www 340: if ($ENV{'request.course.id'}) {
1.23 www 341: if (&Apache::lonnet::allowed('pch',
342: $ENV{'request.course.id'}.
343: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
1.63 albertel 344: $discussoptions='<input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" /> '.
1.62 www 345: &mt('Contribution to course discussion of resource');
1.63 albertel 346: $discussoptions.='<br /><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '.
1.62 www 347: &mt('Anonymous contribution to course discussion of resource').
348: ' <i>('.&mt('name only visible to course faculty').')</i>';
1.20 www 349: }
1.14 www 350: }
1.62 www 351: if ($msgoptions) { $msgoptions='<h2>'.&mt('Sending Messages').'</h2>'.$msgoptions; }
1.49 www 352: if ($discussoptions) {
1.62 www 353: $discussoptions='<h2>'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
1.49 www 354: return $msgoptions.$discussoptions;
1.6 albertel 355: }
356:
357: sub resource_output {
358: my ($feedurl) = @_;
1.46 albertel 359: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
1.6 albertel 360: $usersaw=~s/\<body[^\>]*\>//gi;
361: $usersaw=~s/\<\/body\>//gi;
362: $usersaw=~s/\<html\>//gi;
363: $usersaw=~s/\<\/html\>//gi;
364: $usersaw=~s/\<head\>//gi;
365: $usersaw=~s/\<\/head\>//gi;
366: $usersaw=~s/action\s*\=/would_be_action\=/gi;
367: return $usersaw;
368: }
369:
370: sub clear_out_html {
1.39 www 371: my ($message,$override)=@_;
1.37 albertel 372: my $cid=$ENV{'request.course.id'};
1.39 www 373: if (($ENV{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
374: ($override)) {
1.37 albertel 375: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
376: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG>
377: my %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
1.61 www 378: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
379: M=>1);
1.37 albertel 380:
381: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
1.48 albertel 382: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
1.37 albertel 383: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
1.48 albertel 384: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
1.37 albertel 385: } else {
386: $message=~s/\</\<\;/g;
387: $message=~s/\>/\>\;/g;
388: }
1.6 albertel 389: return $message;
390: }
391:
392: sub assemble_email {
1.40 albertel 393: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
1.6 albertel 394: my $email=<<"ENDEMAIL";
395: Refers to <a href="$feedurl">$feedurl</a>
396:
397: $message
398: ENDEMAIL
399: my $citations=<<"ENDCITE";
400: <h2>Previous attempts of student (if applicable)</h2>
401: $prevattempts
1.63 albertel 402: <br /><hr />
1.6 albertel 403: <h2>Original screen output (if applicable)</h2>
404: $usersaw
1.40 albertel 405: <h2>Correct Answer(s) (if applicable)</h2>
406: $useranswer
1.6 albertel 407: ENDCITE
408: return ($email,$citations);
409: }
410:
1.35 www 411: sub secapply {
412: my $rec=shift;
1.36 www 413: my $defaultflag=shift;
414: $rec=~s/\s+//g;
415: $rec=~s/\@/\:/g;
416: my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
417: if ($sections) {
418: foreach (split(/\;/,$sections)) {
419: if (($_ eq $ENV{'request.course.sec'}) ||
420: ($defaultflag && ($_ eq '*'))) {
421: return $adr;
422: }
423: }
424: } else {
425: return $rec;
426: }
427: return '';
1.35 www 428: }
429:
1.6 albertel 430: sub decide_receiver {
1.36 www 431: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
1.6 albertel 432: my $typestyle='';
433: my %to=();
1.36 www 434: if ($ENV{'form.author'}||$author) {
1.8 www 435: $typestyle.='Submitting as Author Feedback<br>';
1.6 albertel 436: $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
437: $to{$2.':'.$1}=1;
438: }
1.36 www 439: if ($ENV{'form.question'}||$question) {
1.8 www 440: $typestyle.='Submitting as Question<br>';
1.24 harris41 441: foreach (split(/\,/,
442: $ENV{'course.'.$ENV{'request.course.id'}.'.question.email'})
443: ) {
1.36 www 444: my $rec=&secapply($_,$defaultflag);
445: if ($rec) { $to{$rec}=1; }
1.24 harris41 446: }
1.6 albertel 447: }
1.36 www 448: if ($ENV{'form.course'}||$course) {
1.63 albertel 449: $typestyle.='Submitting as Comment<br />';
1.24 harris41 450: foreach (split(/\,/,
451: $ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'})
452: ) {
1.36 www 453: my $rec=&secapply($_,$defaultflag);
454: if ($rec) { $to{$rec}=1; }
1.24 harris41 455: }
1.6 albertel 456: }
1.36 www 457: if ($ENV{'form.policy'}||$policy) {
1.63 albertel 458: $typestyle.='Submitting as Policy Feedback<br />';
1.24 harris41 459: foreach (split(/\,/,
460: $ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'})
461: ) {
1.36 www 462: my $rec=&secapply($_,$defaultflag);
463: if ($rec) { $to{$rec}=1; }
1.24 harris41 464: }
1.6 albertel 465: }
1.36 www 466: if ((scalar(%to) eq '0') && (!$defaultflag)) {
467: ($typestyle,%to)=
468: &decide_receiver($feedurl,$author,$question,$course,$policy,1);
469: }
1.6 albertel 470: return ($typestyle,%to);
1.36 www 471: }
472:
473: sub feedback_available {
474: my ($question,$course,$policy)=@_;
475: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
476: return scalar(%to);
1.6 albertel 477: }
478:
479: sub send_msg {
1.43 www 480: my ($feedurl,$email,$citations,$attachmenturl,%to)=@_;
1.6 albertel 481: my $status='';
482: my $sendsomething=0;
1.24 harris41 483: foreach (keys %to) {
1.6 albertel 484: if ($_) {
1.22 www 485: my $declutter=&Apache::lonnet::declutter($feedurl);
1.8 www 486: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_),
1.43 www 487: 'Feedback ['.$declutter.']',$email,$citations,$feedurl,
488: $attachmenturl)=~/ok/) {
1.63 albertel 489: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />';
1.6 albertel 490: } else {
491: $sendsomething++;
492: }
493: }
1.24 harris41 494: }
1.18 www 495:
496: my %record=&Apache::lonnet::restore('_feedback');
497: my ($temp)=keys %record;
498: unless ($temp=~/^error\:/) {
499: my %newrecord=();
500: $newrecord{'resource'}=$feedurl;
501: $newrecord{'subnumber'}=$record{'subnumber'}+1;
502: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
1.63 albertel 503: $status.='<br />'.&mt('Not registered').'<br />';
1.18 www 504: }
505: }
506:
1.6 albertel 507: return ($status,$sendsomething);
508: }
509:
1.13 www 510: sub adddiscuss {
1.42 www 511: my ($symb,$email,$anon,$attachmenturl)=@_;
1.13 www 512: my $status='';
1.23 www 513: if (&Apache::lonnet::allowed('pch',$ENV{'request.course.id'}.
514: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
1.20 www 515:
1.13 www 516: my %contrib=('message' => $email,
517: 'sendername' => $ENV{'user.name'},
1.26 www 518: 'senderdomain' => $ENV{'user.domain'},
519: 'screenname' => $ENV{'environment.screenname'},
520: 'plainname' => $ENV{'environment.firstname'}.' '.
521: $ENV{'environment.middlename'}.' '.
522: $ENV{'environment.lastname'}.' '.
1.42 www 523: $ENV{'enrironment.generation'},
1.43 www 524: 'attachmenturl'=> $attachmenturl);
1.14 www 525: if ($anon) {
526: $contrib{'anonymous'}='true';
527: }
1.13 www 528: if (($symb) && ($email)) {
1.14 www 529: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
1.13 www 530: &Apache::lonnet::store(\%contrib,$symb,$ENV{'request.course.id'},
531: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1.17 www 532: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1.21 www 533: my %storenewentry=($symb => time);
1.63 albertel 534: $status.='<br />'.&mt('Updating discussion time').': '.
1.21 www 535: &Apache::lonnet::put('discussiontimes',\%storenewentry,
536: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
537: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1.13 www 538: }
1.17 www 539: my %record=&Apache::lonnet::restore('_discussion');
540: my ($temp)=keys %record;
541: unless ($temp=~/^error\:/) {
542: my %newrecord=();
543: $newrecord{'resource'}=$symb;
544: $newrecord{'subnumber'}=$record{'subnumber'}+1;
1.63 albertel 545: $status.='<br />'.&mt('Registering').': '.
1.21 www 546: &Apache::lonnet::cstore(\%newrecord,'_discussion');
1.20 www 547: }
548: } else {
549: $status.='Failed.';
1.17 www 550: }
1.63 albertel 551: return $status.'<br />';
1.13 www 552: }
553:
1.33 www 554: # ----------------------------------------------------------- Preview function
555:
556: sub show_preview {
557: my $r=shift;
558: my $message=&clear_out_html($ENV{'form.comment'});
559: $message=~s/\n/\<br \/\>/g;
560: $message=&Apache::lontexconvert::msgtexconverted($message);
561: $r->print('<table border="2"><tr><td>'.
562: $message.'</td></tr></table>');
563: }
564:
565: sub generate_preview_button {
566: return(<<ENDPREVIEW);
567: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
568: <input type="hidden" name="comment" />
569: <input type="button" value="Show Preview"
570: onClick="this.form.comment.value=document.mailform.comment.value;this.form.submit();" />
571: </form>
572: ENDPREVIEW
573: }
1.6 albertel 574: sub handler {
575: my $r = shift;
1.8 www 576: if ($r->header_only) {
577: $r->content_type('text/html');
578: $r->send_http_header;
579: return OK;
580: }
1.15 www 581:
582: # --------------------------- Get query string for limited number of parameters
583:
1.27 stredwic 584: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.38 www 585: ['hide','unhide','deldisc','postdata','preview']);
1.15 www 586:
587: if (($ENV{'form.hide'}) || ($ENV{'form.unhide'})) {
588: # ----------------------------------------------------------------- Hide/unhide
589: $r->content_type('text/html');
590: $r->send_http_header;
591:
592: my $entry=$ENV{'form.hide'}?$ENV{'form.hide'}:$ENV{'form.unhide'};
593:
594: my ($symb,$idx)=split(/\:\:\:/,$entry);
1.52 www 595: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1.15 www 596:
597: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
598: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
599: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
600:
601:
602: my $currenthidden=$contrib{'hidden'};
603:
604: if ($ENV{'form.hide'}) {
605: $currenthidden.='.'.$idx.'.';
606: } else {
607: $currenthidden=~s/\.$idx\.//g;
608: }
609: my %newhash=('hidden' => $currenthidden);
1.38 www 610:
611: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
612: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
613: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
614:
615: &redirect_back($r,&Apache::lonnet::clutter($url),
1.63 albertel 616: &mt('Changed discussion status').'<br />','0','0');
1.38 www 617: } elsif ($ENV{'form.deldisc'}) {
618: # --------------------------------------------------------------- Hide for good
619: $r->content_type('text/html');
620: $r->send_http_header;
621:
622: my $entry=$ENV{'form.deldisc'};
623:
624: my ($symb,$idx)=split(/\:\:\:/,$entry);
1.52 www 625: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1.38 www 626:
627: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
628: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
629: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
630:
631:
632: my $currentdeleted=$contrib{'deleted'};
633:
634: $currentdeleted.='.'.$idx.'.';
635:
636: my %newhash=('deleted' => $currentdeleted);
1.15 www 637:
638: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
639: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
640: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
641:
1.30 www 642: &redirect_back($r,&Apache::lonnet::clutter($url),
1.63 albertel 643: &mt('Changed discussion status').'<br />','0','0');
1.33 www 644: } elsif ($ENV{'form.preview'}) {
645: # -------------------------------------------------------- User wants a preview
646: &show_preview($r);
1.15 www 647: } else {
648: # ------------------------------------------------------------- Normal feedback
1.6 albertel 649: my $feedurl=$ENV{'form.postdata'};
650: $feedurl=~s/^http\:\/\///;
651: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
652: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
1.62 www 653: $feedurl=~s/\?.+$//;
1.8 www 654:
655: my $symb=&Apache::lonnet::symbread($feedurl);
1.31 www 656: unless ($symb) {
657: $symb=$ENV{'form.symb'};
658: if ($symb) {
1.52 www 659: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
1.31 www 660: $feedurl=&Apache::lonnet::clutter($url);
661: }
662: }
1.8 www 663: my $goahead=1;
664: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form)$/) {
665: unless ($symb) { $goahead=0; }
666: }
667:
668: if ($goahead) {
669: # Go ahead with feedback, no ambiguous reference
670: $r->content_type('text/html');
671: $r->send_http_header;
1.6 albertel 672:
1.8 www 673: if (
1.7 albertel 674: (
675: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
676: )
677: ||
678: ($ENV{'request.course.id'} && ($feedurl!~m:^/adm:))
1.31 www 679: ||
680: ($ENV{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
1.7 albertel 681: ) {
1.6 albertel 682: # --------------------------------------------------- Print login screen header
683: unless ($ENV{'form.sendit'}) {
684: my $options=&screen_header($feedurl);
685: if ($options) {
686: &mail_screen($r,$feedurl,$options);
687: } else {
688: &fail_redirect($r,$feedurl);
689: }
690: } else {
691:
692: # Get previous user input
1.9 albertel 693: my $prevattempts=&Apache::loncommon::get_previous_attempt(
1.11 albertel 694: $symb,$ENV{'user.name'},$ENV{'user.domain'},
1.9 albertel 695: $ENV{'request.course.id'});
1.6 albertel 696:
697: # Get output from resource
698: my $usersaw=&resource_output($feedurl);
699:
1.50 albertel 700: # Get resource answer (need to allow student to view grades for this to work)
701: &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
1.40 albertel 702: my $useranswer=&Apache::loncommon::get_student_answers(
703: $symb,$ENV{'user.name'},$ENV{'user.domain'},
704: $ENV{'request.course.id'});
1.50 albertel 705: &Apache::lonnet::delenv('allowed.vgr');
1.42 www 706: # Get attachments, if any, and not too large
707: my $attachmenturl='';
708: if ($ENV{'form.attachment.filename'}) {
709: unless (length($ENV{'form.attachment'})>131072) {
1.43 www 710: $attachmenturl=&Apache::lonnet::userfileupload('attachment');
1.42 www 711: }
712: }
1.6 albertel 713: # Filter HTML out of message (could be nasty)
1.39 www 714: my $message=&clear_out_html($ENV{'form.comment'});
1.6 albertel 715:
716: # Assemble email
1.8 www 717: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
1.40 albertel 718: $usersaw,$useranswer);
719:
1.6 albertel 720: # Who gets this?
721: my ($typestyle,%to) = &decide_receiver($feedurl);
722:
723: # Actually send mail
1.43 www 724: my ($status,$numsent)=&send_msg($feedurl,$email,$citations,
725: $attachmenturl,%to);
1.13 www 726:
727: # Discussion? Store that.
728:
1.32 albertel 729: my $numpost=0;
1.13 www 730: if ($ENV{'form.discuss'}) {
1.42 www 731: $typestyle.=&adddiscuss($symb,$message,0,$attachmenturl);
1.32 albertel 732: $numpost++;
1.13 www 733: }
1.6 albertel 734:
1.14 www 735: if ($ENV{'form.anondiscuss'}) {
1.42 www 736: $typestyle.=&adddiscuss($symb,$message,1,$attachmenturl);
1.32 albertel 737: $numpost++;
1.14 www 738: }
739:
740:
1.6 albertel 741: # Receipt screen and redirect back to where came from
1.32 albertel 742: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status);
1.6 albertel 743:
744: }
1.8 www 745: } else {
1.7 albertel 746: # Unable to give feedback
1.6 albertel 747: &no_redirect_back($r,$feedurl);
1.8 www 748: }
749: } else {
750: # Ambiguous Problem Resource
1.60 albertel 751: if ( &Apache::lonnet::mod_perl_version() == 2 ) {
1.53 albertel 752: &Apache::lonnet::cleanenv();
1.58 albertel 753: }
1.53 albertel 754: $r->internal_redirect('/adm/ambiguous');
1.6 albertel 755: }
1.15 www 756: }
1.6 albertel 757: return OK;
1.1 www 758: }
759:
760: 1;
761: __END__
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