Annotation of loncom/interface/lonfeedback.pm, revision 1.73
1.1 www 1: # The LearningOnline Network
2: # Feedback
3: #
1.73 ! albertel 4: # $Id: lonfeedback.pm,v 1.72 2003/11/27 09:20:39 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);
1.68 www 72: my @discussionitems=();
1.73 ! albertel 73: # backward compatability (bulltein boards used to be 'wrapped')
! 74: my $ressymb=$symb;
! 75: if ($mode eq 'board') {
! 76: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
! 77: }
! 78: my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},
1.54 www 79: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
80: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1.67 www 81: my $visible=0;
1.68 www 82: my @depth=();
83: my @original=();
84: my @index=();
85: my @replies=();
86: my %alldiscussion=();
87: my $maxdepth=0;
88:
1.69 www 89: my $target='';
90: unless ($ENV{'browser.interface'} eq 'textual' ||
91: $ENV{'environment.remote'} eq 'off' ) {
92: $target='target="LONcom"';
93: }
1.54 www 94: if ($contrib{'version'}) {
1.64 www 95: for (my $id=1;$id<=$contrib{'version'};$id++) {
96: my $idx=$id;
1.54 www 97: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
98: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
1.68 www 99: my $origindex='0.';
1.69 www 100: if (($contrib{$idx.':replyto'}) && ($ENV{'environment.threadeddiscussion'})) {
1.68 www 101: # this is a follow-up message
102: $original[$idx]=$original[$contrib{$idx.':replyto'}];
103: $depth[$idx]=$depth[$contrib{$idx.':replyto'}]+1;
104: $origindex=$index[$contrib{$idx.':replyto'}];
105: if ($depth[$idx]>$maxdepth) { $maxdepth=$depth[$idx]; }
106: } else {
107: # this is an original message
108: $original[$idx]=0;
109: $depth[$idx]=0;
110: }
111: if ($replies[$depth[$idx]]) {
112: $replies[$depth[$idx]]++;
113: } else {
114: $replies[$depth[$idx]]=1;
115: }
1.54 www 116: unless ((($hidden) && (!$seeid)) || ($deleted)) {
1.67 www 117: $visible++;
1.54 www 118: my $message=$contrib{$idx.':message'};
119: $message=~s/\n/\<br \/\>/g;
120: $message=&Apache::lontexconvert::msgtexconverted($message);
121: if ($contrib{$idx.':attachmenturl'}) {
122: my ($fname,$ft)
123: =($contrib{$idx.':attachmenturl'}=~/\/(\w+)\.(\w+)$/);
1.62 www 124: $message.='<p>'.&mt('Attachment').': <a href="'.
1.54 www 125: &Apache::lonnet::tokenwrapper(
126: $contrib{$idx.':attachmenturl'}).
1.63 albertel 127: '"><tt>'.$fname.'.'.$ft.'</tt></a></p>';
1.54 www 128: }
129: if ($message) {
130: if ($hidden) {
131: $message='<font color="#888888">'.$message.'</font>';
132: }
133: my $screenname=&Apache::loncommon::screenname(
134: $contrib{$idx.':sendername'},
135: $contrib{$idx.':senderdomain'});
136: my $plainname=&Apache::loncommon::nickname(
137: $contrib{$idx.':sendername'},
138: $contrib{$idx.':senderdomain'});
139:
1.62 www 140: my $sender=&mt('Anonymous');
1.54 www 141: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
142: $sender=&Apache::loncommon::aboutmewrapper(
143: $plainname,
144: $contrib{$idx.':sendername'},
145: $contrib{$idx.':senderdomain'}).' ('.
146: $contrib{$idx.':sendername'}.' at '.
147: $contrib{$idx.':senderdomain'}.')';
148: if ($contrib{$idx.':anonymous'}) {
1.62 www 149: $sender.=' ['.&mt('anonymous').'] '.
1.54 www 150: $screenname;
151: }
152: if ($seeid) {
153: if ($hidden) {
154: $sender.=' <a href="/adm/feedback?unhide='.
1.62 www 155: $symb.':::'.$idx.'">'.&mt('Make Visible').'</a>';
1.54 www 156: } else {
157: $sender.=' <a href="/adm/feedback?hide='.
1.62 www 158: $symb.':::'.$idx.'">'.&mt('Hide').'</a>';
1.54 www 159: }
160: $sender.=' <a href="/adm/feedback?deldisc='.
1.62 www 161: $symb.':::'.$idx.'">'.&mt('Delete').'</a>';
1.54 www 162: }
1.64 www 163: if (&Apache::lonnet::allowed('pch',
164: $ENV{'request.course.id'}.
165: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
166: $sender.=' <a href="/adm/feedback?replydisc='.
1.69 www 167: $symb.':::'.$idx.'" '.$target.'>'.&mt('Reply').'</a>';
1.64 www 168: }
1.54 www 169: } else {
170: if ($screenname) {
171: $sender='<i>'.$screenname.'</i>';
172: }
173: }
174: my $vgrlink;
175: if ($viewgrades) {
176: $vgrlink=&Apache::loncommon::submlink('Submissions',
177: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$symb);
178: }
1.68 www 179: #figure out at what position this needs to print
180: my $thisindex=$idx;
1.69 www 181: if ($ENV{'environment.threadeddiscussion'}) {
1.68 www 182: $thisindex=$origindex.substr('00'.$replies[$depth[$idx]],-2,2);
183: }
184: $alldiscussion{$thisindex}=$idx;
185: $index[$idx]=$thisindex;
186: $discussionitems[$idx]='<p><b>'.$sender.'</b> '.$vgrlink.' ('.
1.54 www 187: localtime($contrib{$idx.':timestamp'}).
188: '):<blockquote>'.$message.
189: '</blockquote></p>';
190: }
191: }
192: }
1.64 www 193: }
1.67 www 194: my $discussion='';
195: if ($visible) {
1.69 www 196: # Print a the discusssion
1.67 www 197: $discussion.='<table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
1.69 www 198: if ($visible>2) {
199: my $colspan=$maxdepth+1;
200: $discussion.='<tr><td bgcolor="DDDDBB" colspan="'.$colspan.'">'.
201: '<a href="/adm/feedback?threadedon='.$symb.'">'.&mt('Threaded View').'</a> '.
202: '<a href="/adm/feedback?threadedoff='.$symb.'">'.&mt('Chronological View').'</a>'.
203: '</td></tr>';
204: }
205:
1.68 www 206: foreach (sort { $a <=> $b } keys %alldiscussion) {
1.69 www 207: $discussion.="\n<tr>";
208: my $thisdepth=$depth[$alldiscussion{$_}];
209: for (1..$thisdepth) {
210: $discussion.='<td> </td>';
211: }
212: my $colspan=$maxdepth-$thisdepth+1;
213: $discussion.="<td bgcolor='#CCCCCC' colspan='".$colspan."'>".$discussionitems[$alldiscussion{$_}].
1.67 www 214: "</td></tr>";
215: }
216: $discussion.='</table>';
1.54 www 217: }
218: if ($discussiononly) {
219: $discussion.=(<<ENDDISCUSS);
220: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data">
221: <input type="submit" name="discuss" value="Post Discussion" />
222: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" />
1.73 ! albertel 223: <input type="hidden" name="symb" value="$ressymb" />
1.54 www 224: <input type="hidden" name="sendit" value="true" />
225: <br />
226: <font size="1">Note: in anonymous discussion, your name is visible only to
227: course faculty</font><br />
1.63 albertel 228: <textarea name="comment" cols="60" rows="10" wrap="hard"></textarea>
1.54 www 229: <p>
230: Attachment (128 KB max size): <input type="file" name="attachment" />
231: </p>
232: </form>
233: ENDDISCUSS
234: $discussion.=&generate_preview_button();
235: }
236: return $discussion;
237: }
1.1 www 238:
1.6 albertel 239: sub mail_screen {
240: my ($r,$feedurl,$options) = @_;
1.45 www 241: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion',
242: '','onLoad="window.focus();"');
1.51 albertel 243: my $title=&Apache::lonnet::gettitle($feedurl);
244: if (!$title) { $title = $feedurl; }
1.69 www 245: my $quote='';
246: if ($ENV{'form.replydisc'}) {
247: my ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});
248: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
249: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
250: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
251: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
252: my $message=$contrib{$idx.':message'};
253: $message=~s/\n/\<br \/\>/g;
254: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>';
255: }
256: }
1.47 bowersj2 257: my $latexHelp = Apache::loncommon::helpLatexCheatsheet();
1.6 albertel 258: $r->print(<<ENDDOCUMENT);
1.1 www 259: <html>
260: <head>
261: <title>The LearningOnline Network with CAPA</title>
1.7 albertel 262: <meta http-equiv="pragma" content="no-cache"></meta>
1.63 albertel 263: <script type="text/javascript">
264: //<!--
1.5 www 265: function gosubmit() {
266: var rec=0;
1.12 albertel 267: if (typeof(document.mailform.elements.author)!="undefined") {
1.5 www 268: if (document.mailform.elements.author.checked) {
269: rec=1;
270: }
271: }
1.12 albertel 272: if (typeof(document.mailform.elements.question)!="undefined") {
1.5 www 273: if (document.mailform.elements.question.checked) {
274: rec=1;
275: }
276: }
1.12 albertel 277: if (typeof(document.mailform.elements.course)!="undefined") {
1.5 www 278: if (document.mailform.elements.course.checked) {
279: rec=1;
280: }
281: }
1.12 albertel 282: if (typeof(document.mailform.elements.policy)!="undefined") {
1.5 www 283: if (document.mailform.elements.policy.checked) {
284: rec=1;
285: }
286: }
1.12 albertel 287: if (typeof(document.mailform.elements.discuss)!="undefined") {
1.10 www 288: if (document.mailform.elements.discuss.checked) {
289: rec=1;
290: }
291: }
1.14 www 292: if (typeof(document.mailform.elements.anondiscuss)!="undefined") {
293: if (document.mailform.elements.anondiscuss.checked) {
294: rec=1;
295: }
296: }
1.5 www 297:
298: if (rec) {
299: document.mailform.submit();
300: } else {
301: alert('Please check a feedback type.');
302: }
303: }
1.63 albertel 304: //-->
1.5 www 305: </script>
1.1 www 306: </head>
1.29 www 307: $bodytag
1.51 albertel 308: <h2><tt>$title</tt></h2>
1.43 www 309: <form action="/adm/feedback" method="post" name="mailform"
310: enctype="multipart/form-data">
1.63 albertel 311: <input type="hidden" name="postdata" value="$feedurl" />
1.68 www 312: <input type="hidden" name="replydisc" value="$ENV{'form.replydisc'}" />
1.5 www 313: Please check at least one of the following feedback types:
1.63 albertel 314: $options<hr />
1.69 www 315: $quote
1.63 albertel 316: <p>My question/comment/feedback:</p>
317: <p>
1.47 bowersj2 318: $latexHelp
1.63 albertel 319: <textarea name="comment" cols="60" rows="10" wrap="hard">
320: </textarea></p>
321: <p>
1.42 www 322: Attachment (128 KB max size): <input type="file" name="attachment" />
323: </p>
324: <p>
325: <input type="hidden" name="sendit" value="1" />
1.63 albertel 326: <input type="button" value="Send Feedback" onClick='gosubmit();' />
1.42 www 327: </p>
1.2 www 328: </form>
1.1 www 329: ENDDOCUMENT
1.33 www 330: $r->print(&generate_preview_button().'</body></html>');
1.6 albertel 331: }
332:
333: sub fail_redirect {
334: my ($r,$feedurl) = @_;
1.70 www 335: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
1.6 albertel 336: $r->print (<<ENDFAILREDIR);
1.72 albertel 337: <html>
1.5 www 338: <head><title>Feedback not sent</title>
1.63 albertel 339: <meta http-equiv="pragma" content="no-cache" />
340: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
1.5 www 341: </head>
342: <body bgcolor="#FFFFFF">
1.63 albertel 343: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1.8 www 344: <b>Sorry, no recipients ...</b>
1.5 www 345: </body>
346: </html>
347: ENDFAILREDIR
348: }
1.4 www 349:
1.6 albertel 350: sub redirect_back {
1.32 albertel 351: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status) = @_;
1.70 www 352: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
1.6 albertel 353: $r->print (<<ENDREDIR);
1.72 albertel 354: <html>
1.3 www 355: <head>
356: <title>Feedback sent</title>
1.63 albertel 357: <meta http-equiv="pragma" content="no-cache" />
1.5 www 358: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl">
1.2 www 359: </head>
1.49 www 360: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
1.63 albertel 361: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1.5 www 362: $typestyle
1.32 albertel 363: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
1.63 albertel 364: <font color="red">$status</font>
1.49 www 365: <form name="reldt" action="$feedurl" target="loncapaclient">
366: </form>
1.2 www 367: </body>
368: </html>
369: ENDREDIR
370: }
1.6 albertel 371:
372: sub no_redirect_back {
373: my ($r,$feedurl) = @_;
374: $r->print (<<ENDNOREDIR);
1.72 albertel 375: <html>
1.2 www 376: <head><title>Feedback not sent</title>
1.63 albertel 377: <meta http-equiv="pragma" content="no-cache" />
1.7 albertel 378: ENDNOREDIR
379:
1.8 www 380: if ($feedurl!~/^\/adm\/feedback/) {
1.7 albertel 381: $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='.$feedurl.'">');
382: }
383:
1.8 www 384: $r->print (<<ENDNOREDIRTWO);
1.2 www 385: </head>
1.49 www 386: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'>
1.63 albertel 387: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1.8 www 388: <b>Sorry, no feedback possible on this resource ...</b>
1.2 www 389: </body>
390: </html>
1.8 www 391: ENDNOREDIRTWO
1.2 www 392: }
1.6 albertel 393:
394: sub screen_header {
1.65 www 395: my ($feedurl) = @_;
396: my $msgoptions='';
397: my $discussoptions='';
398: unless ($ENV{'form.replydisc'}) {
399: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/)) {
400: $msgoptions=
401: '<p><input type="checkbox" name="author" /> '.
402: &mt('Feedback to resource author').'</p>';
403: }
404: if (&feedback_available(1)) {
405: $msgoptions.=
406: '<br /><input type="checkbox" name="question" /> '.
407: &mt('Question about resource content');
408: }
409: if (&feedback_available(0,1)) {
410: $msgoptions.=
411: '<br /><input type="checkbox" name="course" /> '.
412: &mt('Question/Comment/Feedback about course content');
413: }
414: if (&feedback_available(0,0,1)) {
415: $msgoptions.=
416: '<br /><input type="checkbox" name="policy" /> '.
417: &mt('Question/Comment/Feedback about course policy');
418: }
419: }
420: if ($ENV{'request.course.id'}) {
421: if (&Apache::lonnet::allowed('pch',
422: $ENV{'request.course.id'}.
423: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
424: $discussoptions='<input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" /> '.
425: &mt('Contribution to course discussion of resource');
426: $discussoptions.='<br /><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '.
427: &mt('Anonymous contribution to course discussion of resource').
428: ' <i>('.&mt('name only visible to course faculty').')</i>';
1.20 www 429: }
1.65 www 430: }
431: if ($msgoptions) { $msgoptions='<h2>'.&mt('Sending Messages').'</h2>'.$msgoptions; }
432: if ($discussoptions) {
433: $discussoptions='<h2>'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
434: return $msgoptions.$discussoptions;
1.6 albertel 435: }
436:
437: sub resource_output {
438: my ($feedurl) = @_;
1.46 albertel 439: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
1.6 albertel 440: $usersaw=~s/\<body[^\>]*\>//gi;
441: $usersaw=~s/\<\/body\>//gi;
442: $usersaw=~s/\<html\>//gi;
443: $usersaw=~s/\<\/html\>//gi;
444: $usersaw=~s/\<head\>//gi;
445: $usersaw=~s/\<\/head\>//gi;
446: $usersaw=~s/action\s*\=/would_be_action\=/gi;
447: return $usersaw;
448: }
449:
450: sub clear_out_html {
1.39 www 451: my ($message,$override)=@_;
1.37 albertel 452: my $cid=$ENV{'request.course.id'};
1.39 www 453: if (($ENV{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
454: ($override)) {
1.37 albertel 455: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
456: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG>
457: my %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
1.61 www 458: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
459: M=>1);
1.37 albertel 460:
461: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
1.48 albertel 462: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
1.37 albertel 463: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
1.48 albertel 464: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
1.37 albertel 465: } else {
466: $message=~s/\</\<\;/g;
467: $message=~s/\>/\>\;/g;
468: }
1.6 albertel 469: return $message;
470: }
471:
472: sub assemble_email {
1.40 albertel 473: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
1.6 albertel 474: my $email=<<"ENDEMAIL";
475: Refers to <a href="$feedurl">$feedurl</a>
476:
477: $message
478: ENDEMAIL
479: my $citations=<<"ENDCITE";
480: <h2>Previous attempts of student (if applicable)</h2>
481: $prevattempts
1.63 albertel 482: <br /><hr />
1.6 albertel 483: <h2>Original screen output (if applicable)</h2>
484: $usersaw
1.40 albertel 485: <h2>Correct Answer(s) (if applicable)</h2>
486: $useranswer
1.6 albertel 487: ENDCITE
488: return ($email,$citations);
489: }
490:
1.35 www 491: sub secapply {
492: my $rec=shift;
1.36 www 493: my $defaultflag=shift;
494: $rec=~s/\s+//g;
495: $rec=~s/\@/\:/g;
496: my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
497: if ($sections) {
498: foreach (split(/\;/,$sections)) {
499: if (($_ eq $ENV{'request.course.sec'}) ||
500: ($defaultflag && ($_ eq '*'))) {
501: return $adr;
502: }
503: }
504: } else {
505: return $rec;
506: }
507: return '';
1.35 www 508: }
509:
1.6 albertel 510: sub decide_receiver {
1.36 www 511: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
1.6 albertel 512: my $typestyle='';
513: my %to=();
1.36 www 514: if ($ENV{'form.author'}||$author) {
1.8 www 515: $typestyle.='Submitting as Author Feedback<br>';
1.6 albertel 516: $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
517: $to{$2.':'.$1}=1;
518: }
1.36 www 519: if ($ENV{'form.question'}||$question) {
1.8 www 520: $typestyle.='Submitting as Question<br>';
1.24 harris41 521: foreach (split(/\,/,
522: $ENV{'course.'.$ENV{'request.course.id'}.'.question.email'})
523: ) {
1.36 www 524: my $rec=&secapply($_,$defaultflag);
525: if ($rec) { $to{$rec}=1; }
1.24 harris41 526: }
1.6 albertel 527: }
1.36 www 528: if ($ENV{'form.course'}||$course) {
1.63 albertel 529: $typestyle.='Submitting as Comment<br />';
1.24 harris41 530: foreach (split(/\,/,
531: $ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'})
532: ) {
1.36 www 533: my $rec=&secapply($_,$defaultflag);
534: if ($rec) { $to{$rec}=1; }
1.24 harris41 535: }
1.6 albertel 536: }
1.36 www 537: if ($ENV{'form.policy'}||$policy) {
1.63 albertel 538: $typestyle.='Submitting as Policy Feedback<br />';
1.24 harris41 539: foreach (split(/\,/,
540: $ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'})
541: ) {
1.36 www 542: my $rec=&secapply($_,$defaultflag);
543: if ($rec) { $to{$rec}=1; }
1.24 harris41 544: }
1.6 albertel 545: }
1.36 www 546: if ((scalar(%to) eq '0') && (!$defaultflag)) {
547: ($typestyle,%to)=
548: &decide_receiver($feedurl,$author,$question,$course,$policy,1);
549: }
1.6 albertel 550: return ($typestyle,%to);
1.36 www 551: }
552:
553: sub feedback_available {
554: my ($question,$course,$policy)=@_;
555: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
556: return scalar(%to);
1.6 albertel 557: }
558:
559: sub send_msg {
1.43 www 560: my ($feedurl,$email,$citations,$attachmenturl,%to)=@_;
1.6 albertel 561: my $status='';
562: my $sendsomething=0;
1.24 harris41 563: foreach (keys %to) {
1.6 albertel 564: if ($_) {
1.22 www 565: my $declutter=&Apache::lonnet::declutter($feedurl);
1.8 www 566: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_),
1.43 www 567: 'Feedback ['.$declutter.']',$email,$citations,$feedurl,
568: $attachmenturl)=~/ok/) {
1.63 albertel 569: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />';
1.6 albertel 570: } else {
571: $sendsomething++;
572: }
573: }
1.24 harris41 574: }
1.18 www 575:
576: my %record=&Apache::lonnet::restore('_feedback');
577: my ($temp)=keys %record;
578: unless ($temp=~/^error\:/) {
579: my %newrecord=();
580: $newrecord{'resource'}=$feedurl;
581: $newrecord{'subnumber'}=$record{'subnumber'}+1;
582: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
1.63 albertel 583: $status.='<br />'.&mt('Not registered').'<br />';
1.18 www 584: }
585: }
586:
1.6 albertel 587: return ($status,$sendsomething);
588: }
589:
1.13 www 590: sub adddiscuss {
1.42 www 591: my ($symb,$email,$anon,$attachmenturl)=@_;
1.13 www 592: my $status='';
1.23 www 593: if (&Apache::lonnet::allowed('pch',$ENV{'request.course.id'}.
594: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
1.20 www 595:
1.13 www 596: my %contrib=('message' => $email,
597: 'sendername' => $ENV{'user.name'},
1.26 www 598: 'senderdomain' => $ENV{'user.domain'},
599: 'screenname' => $ENV{'environment.screenname'},
600: 'plainname' => $ENV{'environment.firstname'}.' '.
601: $ENV{'environment.middlename'}.' '.
602: $ENV{'environment.lastname'}.' '.
1.42 www 603: $ENV{'enrironment.generation'},
1.43 www 604: 'attachmenturl'=> $attachmenturl);
1.65 www 605: if ($ENV{'form.replydisc'}) {
1.66 www 606: $contrib{'replyto'}=(split(/\:\:\:/,$ENV{'form.replydisc'}))[1];
1.65 www 607: }
1.14 www 608: if ($anon) {
609: $contrib{'anonymous'}='true';
610: }
1.13 www 611: if (($symb) && ($email)) {
1.14 www 612: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
1.13 www 613: &Apache::lonnet::store(\%contrib,$symb,$ENV{'request.course.id'},
614: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1.17 www 615: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1.21 www 616: my %storenewentry=($symb => time);
1.63 albertel 617: $status.='<br />'.&mt('Updating discussion time').': '.
1.21 www 618: &Apache::lonnet::put('discussiontimes',\%storenewentry,
619: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
620: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1.13 www 621: }
1.17 www 622: my %record=&Apache::lonnet::restore('_discussion');
623: my ($temp)=keys %record;
624: unless ($temp=~/^error\:/) {
625: my %newrecord=();
626: $newrecord{'resource'}=$symb;
627: $newrecord{'subnumber'}=$record{'subnumber'}+1;
1.63 albertel 628: $status.='<br />'.&mt('Registering').': '.
1.21 www 629: &Apache::lonnet::cstore(\%newrecord,'_discussion');
1.20 www 630: }
631: } else {
632: $status.='Failed.';
1.17 www 633: }
1.63 albertel 634: return $status.'<br />';
1.13 www 635: }
636:
1.33 www 637: # ----------------------------------------------------------- Preview function
638:
639: sub show_preview {
640: my $r=shift;
641: my $message=&clear_out_html($ENV{'form.comment'});
642: $message=~s/\n/\<br \/\>/g;
643: $message=&Apache::lontexconvert::msgtexconverted($message);
644: $r->print('<table border="2"><tr><td>'.
645: $message.'</td></tr></table>');
646: }
647:
648: sub generate_preview_button {
1.65 www 649: my $pre=&mt("Show Preview");
1.33 www 650: return(<<ENDPREVIEW);
651: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
652: <input type="hidden" name="comment" />
1.65 www 653: <input type="button" value="$pre"
1.33 www 654: onClick="this.form.comment.value=document.mailform.comment.value;this.form.submit();" />
655: </form>
656: ENDPREVIEW
657: }
1.71 www 658:
1.6 albertel 659: sub handler {
660: my $r = shift;
1.8 www 661: if ($r->header_only) {
1.71 www 662: &Apache::loncommon::content_type($r,'text/html');
1.8 www 663: $r->send_http_header;
664: return OK;
665: }
1.15 www 666:
667: # --------------------------- Get query string for limited number of parameters
668:
1.27 stredwic 669: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.69 www 670: ['hide','unhide','deldisc','postdata','preview','replydisc','threadedon','threadedoff']);
1.15 www 671:
672: if (($ENV{'form.hide'}) || ($ENV{'form.unhide'})) {
673: # ----------------------------------------------------------------- Hide/unhide
1.71 www 674: &Apache::loncommon::content_type($r,'text/html');
1.15 www 675: $r->send_http_header;
676:
677: my $entry=$ENV{'form.hide'}?$ENV{'form.hide'}:$ENV{'form.unhide'};
678:
679: my ($symb,$idx)=split(/\:\:\:/,$entry);
1.52 www 680: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1.15 www 681:
682: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
683: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
684: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
685:
686:
687: my $currenthidden=$contrib{'hidden'};
688:
689: if ($ENV{'form.hide'}) {
690: $currenthidden.='.'.$idx.'.';
691: } else {
692: $currenthidden=~s/\.$idx\.//g;
693: }
694: my %newhash=('hidden' => $currenthidden);
1.38 www 695:
696: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
697: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
698: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
699:
700: &redirect_back($r,&Apache::lonnet::clutter($url),
1.63 albertel 701: &mt('Changed discussion status').'<br />','0','0');
1.69 www 702: } elsif (($ENV{'form.threadedon'}) || ($ENV{'form.threadedoff'})) {
1.72 albertel 703: &Apache::loncommon::content_type($r,'text/html');
704: $r->send_http_header;
1.69 www 705: if ($ENV{'form.threadedon'}) {
706: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
707: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
708: } else {
709: &Apache::lonnet::del('environment',['threadeddiscussion']);
710: &Apache::lonnet::delenv('environment\.threadeddiscussion');
1.72 albertel 711: }
1.69 www 712: my $symb=$ENV{'form.threadedon'}?$ENV{'form.threadedon'}:$ENV{'form.threadedoff'};
713: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
714: &redirect_back($r,&Apache::lonnet::clutter($url),
715: &mt('Changed discussion view mode').'<br />','0','0');
1.38 www 716: } elsif ($ENV{'form.deldisc'}) {
717: # --------------------------------------------------------------- Hide for good
1.71 www 718: &Apache::loncommon::content_type($r,'text/html');
1.38 www 719: $r->send_http_header;
720:
721: my $entry=$ENV{'form.deldisc'};
722:
723: my ($symb,$idx)=split(/\:\:\:/,$entry);
1.52 www 724: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1.38 www 725:
726: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
727: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
728: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
729:
730:
731: my $currentdeleted=$contrib{'deleted'};
732:
733: $currentdeleted.='.'.$idx.'.';
734:
735: my %newhash=('deleted' => $currentdeleted);
1.15 www 736:
737: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
738: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
739: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
740:
1.30 www 741: &redirect_back($r,&Apache::lonnet::clutter($url),
1.63 albertel 742: &mt('Changed discussion status').'<br />','0','0');
1.33 www 743: } elsif ($ENV{'form.preview'}) {
744: # -------------------------------------------------------- User wants a preview
745: &show_preview($r);
1.15 www 746: } else {
747: # ------------------------------------------------------------- Normal feedback
1.6 albertel 748: my $feedurl=$ENV{'form.postdata'};
749: $feedurl=~s/^http\:\/\///;
750: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
751: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
1.62 www 752: $feedurl=~s/\?.+$//;
1.8 www 753:
1.66 www 754: my $symb;
755: if ($ENV{'form.replydisc'}) {
756: $symb=(split(/\:\:\:/,$ENV{'form.replydisc'}))[0];
757: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
758: $feedurl=&Apache::lonnet::clutter($url);
759: } else {
760: $symb=&Apache::lonnet::symbread($feedurl);
761: }
1.31 www 762: unless ($symb) {
763: $symb=$ENV{'form.symb'};
764: if ($symb) {
1.52 www 765: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
1.31 www 766: $feedurl=&Apache::lonnet::clutter($url);
767: }
768: }
1.8 www 769: my $goahead=1;
770: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form)$/) {
771: unless ($symb) { $goahead=0; }
772: }
1.73 ! albertel 773: # backward compatability (bulltein boards used to be 'wrapped')
! 774: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
! 775: $feedurl=~s|^/adm/wrapper||;
! 776: }
1.8 www 777: if ($goahead) {
778: # Go ahead with feedback, no ambiguous reference
1.71 www 779: &Apache::loncommon::content_type($r,'text/html');
1.8 www 780: $r->send_http_header;
1.6 albertel 781:
1.8 www 782: if (
1.7 albertel 783: (
784: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
785: )
786: ||
787: ($ENV{'request.course.id'} && ($feedurl!~m:^/adm:))
1.31 www 788: ||
789: ($ENV{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
1.7 albertel 790: ) {
1.6 albertel 791: # --------------------------------------------------- Print login screen header
792: unless ($ENV{'form.sendit'}) {
793: my $options=&screen_header($feedurl);
794: if ($options) {
795: &mail_screen($r,$feedurl,$options);
796: } else {
797: &fail_redirect($r,$feedurl);
798: }
799: } else {
800:
801: # Get previous user input
1.9 albertel 802: my $prevattempts=&Apache::loncommon::get_previous_attempt(
1.11 albertel 803: $symb,$ENV{'user.name'},$ENV{'user.domain'},
1.9 albertel 804: $ENV{'request.course.id'});
1.6 albertel 805:
806: # Get output from resource
807: my $usersaw=&resource_output($feedurl);
808:
1.50 albertel 809: # Get resource answer (need to allow student to view grades for this to work)
810: &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
1.40 albertel 811: my $useranswer=&Apache::loncommon::get_student_answers(
812: $symb,$ENV{'user.name'},$ENV{'user.domain'},
813: $ENV{'request.course.id'});
1.50 albertel 814: &Apache::lonnet::delenv('allowed.vgr');
1.42 www 815: # Get attachments, if any, and not too large
816: my $attachmenturl='';
817: if ($ENV{'form.attachment.filename'}) {
818: unless (length($ENV{'form.attachment'})>131072) {
1.43 www 819: $attachmenturl=&Apache::lonnet::userfileupload('attachment');
1.42 www 820: }
821: }
1.6 albertel 822: # Filter HTML out of message (could be nasty)
1.39 www 823: my $message=&clear_out_html($ENV{'form.comment'});
1.6 albertel 824:
825: # Assemble email
1.8 www 826: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
1.40 albertel 827: $usersaw,$useranswer);
828:
1.6 albertel 829: # Who gets this?
830: my ($typestyle,%to) = &decide_receiver($feedurl);
831:
832: # Actually send mail
1.43 www 833: my ($status,$numsent)=&send_msg($feedurl,$email,$citations,
834: $attachmenturl,%to);
1.13 www 835:
836: # Discussion? Store that.
837:
1.32 albertel 838: my $numpost=0;
1.13 www 839: if ($ENV{'form.discuss'}) {
1.42 www 840: $typestyle.=&adddiscuss($symb,$message,0,$attachmenturl);
1.32 albertel 841: $numpost++;
1.13 www 842: }
1.6 albertel 843:
1.14 www 844: if ($ENV{'form.anondiscuss'}) {
1.42 www 845: $typestyle.=&adddiscuss($symb,$message,1,$attachmenturl);
1.32 albertel 846: $numpost++;
1.14 www 847: }
848:
849:
1.6 albertel 850: # Receipt screen and redirect back to where came from
1.32 albertel 851: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status);
1.6 albertel 852:
853: }
1.8 www 854: } else {
1.7 albertel 855: # Unable to give feedback
1.6 albertel 856: &no_redirect_back($r,$feedurl);
1.8 www 857: }
858: } else {
859: # Ambiguous Problem Resource
1.60 albertel 860: if ( &Apache::lonnet::mod_perl_version() == 2 ) {
1.53 albertel 861: &Apache::lonnet::cleanenv();
1.58 albertel 862: }
1.53 albertel 863: $r->internal_redirect('/adm/ambiguous');
1.6 albertel 864: }
1.15 www 865: }
1.6 albertel 866: return OK;
1.1 www 867: }
868:
869: 1;
870: __END__
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