loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.67: download - view: text, annotated - select for diffs
Tue Nov 4 03:32:55 2003 UTC (20 years, 8 months ago) by www
Branches: MAIN
CVS tags: HEAD

Set up table for later display of threads.

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.67 2003/11/04 03:32:55 www 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: # (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: # 36: # 3/1,2/3,2/5,2/6,2/8 Gerd Kortemeyer 37: # 2/9 Guy Albertelli 38: # 2/10 Gerd Kortemeyer 39: # 2/13 Guy Albertelli 40: # 7/25 Gerd Kortemeyer 41: # 7/26 Guy Albertelli 42: # 7/26,8/10,10/1,11/5,11/6,12/27,12/29 Gerd Kortemeyer 43: # YEAR=2002 44: # 1/1,1/16 Gerd Kortemeyer 45: # 46: 47: package Apache::lonfeedback; 48: 49: use strict; 50: use Apache::Constants qw(:common); 51: use Apache::lonmsg(); 52: use Apache::loncommon(); 53: use Apache::lontexconvert(); 54: use Apache::lonlocal; 55: 56: sub list_discussion { 57: my ($mode,$status,$symb)=@_; 58: my $discussiononly=0; 59: if ($mode eq 'board') { $discussiononly=1; } 60: unless ($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: $crs=~s/\_/\//g; 66: unless ($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); 72: my %discussionitems=(); 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: my $visible=0; 77: if ($contrib{'version'}) { 78: for (my $id=1;$id<=$contrib{'version'};$id++) { 79: my $idx=$id; 80: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 81: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 82: unless ((($hidden) && (!$seeid)) || ($deleted)) { 83: $visible++; 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+)$/); 90: $message.='<p>'.&mt('Attachment').': <a href="'. 91: &Apache::lonnet::tokenwrapper( 92: $contrib{$idx.':attachmenturl'}). 93: '"><tt>'.$fname.'.'.$ft.'</tt></a></p>'; 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: 106: my $sender=&mt('Anonymous'); 107: if ((!$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'}) { 115: $sender.=' ['.&mt('anonymous').'] '. 116: $screenname; 117: } 118: if ($seeid) { 119: if ($hidden) { 120: $sender.=' <a href="/adm/feedback?unhide='. 121: $symb.':::'.$idx.'">'.&mt('Make Visible').'</a>'; 122: } else { 123: $sender.=' <a href="/adm/feedback?hide='. 124: $symb.':::'.$idx.'">'.&mt('Hide').'</a>'; 125: } 126: $sender.=' <a href="/adm/feedback?deldisc='. 127: $symb.':::'.$idx.'">'.&mt('Delete').'</a>'; 128: } 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: } 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: } 145: $discussionitems{$idx}='<p><b>'.$sender.'</b> '.$vgrlink.' ('. 146: localtime($contrib{$idx.':timestamp'}). 147: '):<blockquote>'.$message. 148: '</blockquote></p>'; 149: } 150: } 151: } 152: } 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: $discussion.='</table>'; 161: } 162: if ($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 /> 172: <textarea name="comment" cols="60" rows="10" wrap="hard"></textarea> 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 $discussion; 181: } 182: 183: sub mail_screen { 184: my ($r,$feedurl,$options) = @_; 185: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion', 186: '','onLoad="window.focus();"'); 187: my $title=&Apache::lonnet::gettitle($feedurl); 188: if (!$title) { $title = $feedurl; } 189: my $latexHelp = Apache::loncommon::helpLatexCheatsheet(); 190: $r->print(<<ENDDOCUMENT); 191: <html> 192: <head> 193: <title>The LearningOnline Network with CAPA</title> 194: <meta http-equiv="pragma" content="no-cache"></meta> 195: <script type="text/javascript"> 196: // 237: </script> 238: </head> 239: $bodytag 240: <h2><tt>$title</tt></h2> 241: <form action="/adm/feedback" method="post" name="mailform" 242: enctype="multipart/form-data"> 243: <input type="hidden" name="postdata" value="$feedurl" /> 244: Please check at least one of the following feedback types: 245: $options<hr /> 246: <p>My question/comment/feedback:</p> 247: <p> 248: $latexHelp 249: <textarea name="comment" cols="60" rows="10" wrap="hard"> 250: </textarea></p> 251: <p> 252: Attachment (128 KB max size): <input type="file" name="attachment" /> 253: </p> 254: <p> 255: <input type="hidden" name="sendit" value="1" /> 256: <input type="button" value="Send Feedback" onClick='gosubmit();' /> 257: </p> 258: </form> 259: ENDDOCUMENT 260: $r->print(&generate_preview_button().'</body></html>'); 261: } 262: 263: sub fail_redirect { 264: my ($r,$feedurl) = @_; 265: $r->print (<<ENDFAILREDIR); 266: <head><title>Feedback not sent</title> 267: <meta http-equiv="pragma" content="no-cache" /> 268: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" /> 269: </head> 270: <html> 271: <body bgcolor="#FFFFFF"> 272: <img align="right" src="/adm/lonIcons/lonlogos.gif" /> 273: <b>Sorry, no recipients ...</b> 274: </body> 275: </html> 276: ENDFAILREDIR 277: } 278: 279: sub redirect_back { 280: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status) = @_; 281: $r->print (<<ENDREDIR); 282: <head> 283: <title>Feedback sent</title> 284: <meta http-equiv="pragma" content="no-cache" /> 285: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl"> 286: </head> 287: <html> 288: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'> 289: <img align="right" src="/adm/lonIcons/lonlogos.gif" /> 290: $typestyle 291: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 292: <font color="red">$status</font> 293: <form name="reldt" action="$feedurl" target="loncapaclient"> 294: </form> 295: </body> 296: </html> 297: ENDREDIR 298: } 299: 300: sub no_redirect_back { 301: my ($r,$feedurl) = @_; 302: $r->print (<<ENDNOREDIR); 303: <head><title>Feedback not sent</title> 304: <meta http-equiv="pragma" content="no-cache" /> 305: ENDNOREDIR 306: 307: if ($feedurl!~/^\/adm\/feedback/) { 308: $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='.$feedurl.'">'); 309: } 310: 311: $r->print (<<ENDNOREDIRTWO); 312: </head> 313: <html> 314: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'> 315: <img align="right" src="/adm/lonIcons/lonlogos.gif" /> 316: <b>Sorry, no feedback possible on this resource ...</b> 317: </body> 318: </html> 319: ENDNOREDIRTWO 320: } 321: 322: sub screen_header { 323: my ($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: $discussoptions.='<br /><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '. 355: &mt('Anonymous contribution to course discussion of resource'). 356: ' <i>('.&mt('name only visible to course faculty').')</i>'; 357: } 358: } 359: if ($msgoptions) { $msgoptions='<h2>'.&mt('Sending Messages').'</h2>'.$msgoptions; } 360: if ($discussoptions) { 361: $discussoptions='<h2>'.&mt('Discussion Contributions').'</h2>'.$discussoptions; } 362: return $msgoptions.$discussoptions; 363: } 364: 365: sub resource_output { 366: my ($feedurl) = @_; 367: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 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 $usersaw; 376: } 377: 378: sub clear_out_html { 379: my ($message,$override)=@_; 380: my $cid=$ENV{'request.course.id'}; 381: if (($ENV{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 382: ($override)) { 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, 386: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 387: M=>1); 388: 389: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 390: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 391: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 392: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 393: } else { 394: $message=~s/\</\&lt\;/g; 395: $message=~s/\>/\&gt\;/g; 396: } 397: return $message; 398: } 399: 400: sub assemble_email { 401: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_; 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 410: <br /><hr /> 411: <h2>Original screen output (if applicable)</h2> 412: $usersaw 413: <h2>Correct Answer(s) (if applicable)</h2> 414: $useranswer 415: ENDCITE 416: return ($email,$citations); 417: } 418: 419: sub secapply { 420: my $rec=shift; 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 $rec; 434: } 435: return ''; 436: } 437: 438: sub decide_receiver { 439: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_; 440: my $typestyle=''; 441: my %to=(); 442: if ($ENV{'form.author'}||$author) { 443: $typestyle.='Submitting as Author Feedback<br>'; 444: $feedurl=~/^\/res\/(\w+)\/(\w+)\//; 445: $to{$2.':'.$1}=1; 446: } 447: if ($ENV{'form.question'}||$question) { 448: $typestyle.='Submitting as Question<br>'; 449: foreach (split(/\,/, 450: $ENV{'course.'.$ENV{'request.course.id'}.'.question.email'}) 451: ) { 452: my $rec=&secapply($_,$defaultflag); 453: if ($rec) { $to{$rec}=1; } 454: } 455: } 456: if ($ENV{'form.course'}||$course) { 457: $typestyle.='Submitting as Comment<br />'; 458: foreach (split(/\,/, 459: $ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'}) 460: ) { 461: my $rec=&secapply($_,$defaultflag); 462: if ($rec) { $to{$rec}=1; } 463: } 464: } 465: if ($ENV{'form.policy'}||$policy) { 466: $typestyle.='Submitting as Policy Feedback<br />'; 467: foreach (split(/\,/, 468: $ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'}) 469: ) { 470: my $rec=&secapply($_,$defaultflag); 471: if ($rec) { $to{$rec}=1; } 472: } 473: } 474: if ((scalar(%to) eq '0') && (!$defaultflag)) { 475: ($typestyle,%to)= 476: &decide_receiver($feedurl,$author,$question,$course,$policy,1); 477: } 478: return ($typestyle,%to); 479: } 480: 481: sub feedback_available { 482: my ($question,$course,$policy)=@_; 483: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy); 484: return scalar(%to); 485: } 486: 487: sub send_msg { 488: my ($feedurl,$email,$citations,$attachmenturl,%to)=@_; 489: my $status=''; 490: my $sendsomething=0; 491: foreach (keys %to) { 492: if ($_) { 493: my $declutter=&Apache::lonnet::declutter($feedurl); 494: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_), 495: 'Feedback ['.$declutter.']',$email,$citations,$feedurl, 496: $attachmenturl)=~/ok/) { 497: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />'; 498: } else { 499: $sendsomething++; 500: } 501: } 502: } 503: 504: my %record=&Apache::lonnet::restore('_feedback'); 505: my ($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') { 511: $status.='<br />'.&mt('Not registered').'<br />'; 512: } 513: } 514: 515: return ($status,$sendsomething); 516: } 517: 518: sub adddiscuss { 519: my ($symb,$email,$anon,$attachmenturl)=@_; 520: my $status=''; 521: if (&Apache::lonnet::allowed('pch',$ENV{'request.course.id'}. 522: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) { 523: 524: my %contrib=('message' => $email, 525: 'sendername' => $ENV{'user.name'}, 526: 'senderdomain' => $ENV{'user.domain'}, 527: 'screenname' => $ENV{'environment.screenname'}, 528: 'plainname' => $ENV{'environment.firstname'}.' '. 529: $ENV{'environment.middlename'}.' '. 530: $ENV{'environment.lastname'}.' '. 531: $ENV{'enrironment.generation'}, 532: 'attachmenturl'=> $attachmenturl); 533: if ($ENV{'form.replydisc'}) { 534: $contrib{'replyto'}=(split(/\:\:\:/,$ENV{'form.replydisc'}))[1]; 535: } 536: if ($anon) { 537: $contrib{'anonymous'}='true'; 538: } 539: if (($symb) && ($email)) { 540: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 541: &Apache::lonnet::store(\%contrib,$symb,$ENV{'request.course.id'}, 542: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, 543: $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); 544: my %storenewentry=($symb => time); 545: $status.='<br />'.&mt('Updating discussion time').': '. 546: &Apache::lonnet::put('discussiontimes',\%storenewentry, 547: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, 548: $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); 549: } 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; 556: $status.='<br />'.&mt('Registering').': '. 557: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 558: } 559: } else { 560: $status.='Failed.'; 561: } 562: return $status.'<br />'; 563: } 564: 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 { 577: my $pre=&mt("Show Preview"); 578: return(<<ENDPREVIEW); 579: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 580: <input type="hidden" name="comment" /> 581: <input type="button" value="$pre" 582: onClick="this.form.comment.value=document.mailform.comment.value;this.form.submit();" /> 583: </form> 584: ENDPREVIEW 585: } 586: sub handler { 587: my $r = shift; 588: if ($r->header_only) { 589: $r->content_type('text/html'); 590: $r->send_http_header; 591: return OK; 592: } 593: 594: # --------------------------- Get query string for limited number of parameters 595: 596: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 597: ['hide','unhide','deldisc','postdata','preview','replydisc']); 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(/\:\:\:/,$entry); 607: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 608: 609: my %contrib=&Apache::lonnet::restore($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' => $currenthidden); 622: 623: &Apache::lonnet::store(\%newhash,$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), 628: &mt('Changed discussion status').'<br />','0','0'); 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(/\:\:\:/,$entry); 637: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 638: 639: my %contrib=&Apache::lonnet::restore($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' => $currentdeleted); 649: 650: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'}, 651: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, 652: $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); 653: 654: &redirect_back($r,&Apache::lonnet::clutter($url), 655: &mt('Changed discussion status').'<br />','0','0'); 656: } elsif ($ENV{'form.preview'}) { 657: # -------------------------------------------------------- User wants a preview 658: &show_preview($r); 659: } else { 660: # ------------------------------------------------------------- Normal feedback 661: my $feedurl=$ENV{'form.postdata'}; 662: $feedurl=~s/^http\:\/\///; 663: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 664: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 665: $feedurl=~s/\?.+$//; 666: 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: } 675: unless ($symb) { 676: $symb=$ENV{'form.symb'}; 677: if ($symb) { 678: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 679: $feedurl=&Apache::lonnet::clutter($url); 680: } 681: } 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: $r->send_http_header; 691: 692: if ( 693: ( 694: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 695: ) 696: || 697: ($ENV{'request.course.id'} && ($feedurl!~m:^/adm:)) 698: || 699: ($ENV{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 700: ) { 701: # --------------------------------------------------- Print login screen header 702: unless ($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 712: my $prevattempts=&Apache::loncommon::get_previous_attempt( 713: $symb,$ENV{'user.name'},$ENV{'user.domain'}, 714: $ENV{'request.course.id'}); 715: 716: # Get output from resource 717: my $usersaw=&resource_output($feedurl); 718: 719: # Get resource answer (need to allow student to view grades for this to work) 720: &Apache::lonnet::appenv(('allowed.vgr'=>'F')); 721: my $useranswer=&Apache::loncommon::get_student_answers( 722: $symb,$ENV{'user.name'},$ENV{'user.domain'}, 723: $ENV{'request.course.id'}); 724: &Apache::lonnet::delenv('allowed.vgr'); 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) { 729: $attachmenturl=&Apache::lonnet::userfileupload('attachment'); 730: } 731: } 732: # Filter HTML out of message (could be nasty) 733: my $message=&clear_out_html($ENV{'form.comment'}); 734: 735: # Assemble email 736: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts, 737: $usersaw,$useranswer); 738: 739: # Who gets this? 740: my ($typestyle,%to) = &decide_receiver($feedurl); 741: 742: # Actually send mail 743: my ($status,$numsent)=&send_msg($feedurl,$email,$citations, 744: $attachmenturl,%to); 745: 746: # Discussion? Store that. 747: 748: my $numpost=0; 749: if ($ENV{'form.discuss'}) { 750: $typestyle.=&adddiscuss($symb,$message,0,$attachmenturl); 751: $numpost++; 752: } 753: 754: if ($ENV{'form.anondiscuss'}) { 755: $typestyle.=&adddiscuss($symb,$message,1,$attachmenturl); 756: $numpost++; 757: } 758: 759: 760: # Receipt screen and redirect back to where came from 761: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status); 762: 763: } 764: } else { 765: # Unable to give feedback 766: &no_redirect_back($r,$feedurl); 767: } 768: } else { 769: # Ambiguous Problem Resource 770: if ( &Apache::lonnet::mod_perl_version() == 2 ) { 771: &Apache::lonnet::cleanenv(); 772: } 773: $r->internal_redirect('/adm/ambiguous'); 774: } 775: } 776: return OK; 777: } 778: 779: 1; 780: __END__