Annotation of loncom/homework/grades.pm, revision 1.12
1.12 ! harris41 1: # The LON-CAPA grading handler.
! 2: #
! 3: # Handles the viewing of grades.
! 4: #
! 5: # YEAR=2001
! 6: # 2/7,2/9,2/13,4/16,4/17,5/1 Guy Albertelli
1.8 www 7: # 6/8 Gerd Kortemeyer
1.12 ! harris41 8: # 7/26 Guy Albertelli
! 9: # 7/27 H.K. Ng
! 10: # 7/30 Guy Albertelli
! 11: # 8/6 Scott Harrison
1.1 albertel 12:
13: package Apache::grades;
14: use strict;
15: use Apache::style;
16: use Apache::lonxml;
17: use Apache::lonnet;
1.3 albertel 18: use Apache::loncommon;
1.1 albertel 19: use Apache::lonhomework;
20: use Apache::Constants qw(:common);
21:
1.12 ! harris41 22: # ======================================================== Get more information
1.2 albertel 23: sub moreinfo {
1.12 ! harris41 24: my ($request,$reason) = @_;
! 25: $request->print("Unable to process request: $reason");
! 26: if ( $Apache::grades::viewgrades eq 'F' ) {
! 27: $request->print('<form action="/adm/grades" method="post">'."\n");
! 28: $request->print('<input type="hidden" name="url" value="'.
! 29: $ENV{'form.url'}.'"></input>'."\n");
! 30: $request->print('<input type="hidden" name="command" value="'.
! 31: $ENV{'form.command'}.'"></input>'."\n");
! 32: $request->print("Student:".
! 33: '<input type="text" name="student" value="'.
! 34: $ENV{'form.student'}.'"></input>'."<br />\n");
! 35: $request->print("Domain:".
! 36: '<input type="text" name="domain" value="'.
! 37: $ENV{'user.domain'}.'"></input>'."<br />\n");
! 38: $request->print('<input type="submit" name="submit" '.
! 39: 'value="ReSubmit"></input>'."<br />\n");
! 40: $request->print('</form>');
! 41: }
! 42: return '';
1.2 albertel 43: }
44:
1.12 ! harris41 45: # ========================================= Displays the class list of students
1.10 ng 46: sub listStudents {
1.12 ! harris41 47: my ($request) = shift;
! 48: my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
! 49: my $chome = $ENV{"course.$ENV{'request.course.id'}.home"};
! 50: $request->print ("Found $cdom:$cnum:$chome<br />");
! 51: my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
! 52: foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
! 53: my ($sname,$sdom) = split(/:/,$student);
! 54: my $reply = &Apache::lonnet::reply('get:'.$sdom.':'.$sname.
! 55: ':environment:lastname&generation&firstname&middle'.
! 56: 'name',&Apache::lonnet::homeserver($sname,$sdom));
! 57: print "reply=$reply<br>";
! 58: my (@nameparts) = split /&/,$reply;
! 59: # my $sfullname = $Apache::lonnet::unescape($nameparts[0]);
! 60: if ( $Apache::grades::viewgrades eq 'F' ) {
! 61: $request->print('<form action="/adm/grades" method="post">'."\n");
! 62: $request->print("$sname @nameparts\n");
! 63: $request->print('<input type="hidden" name="url" value="'.
! 64: $ENV{'form.url'}.'"></input>'."\n");
! 65: $request->print('<input type="hidden" name="command" value="'.
! 66: $ENV{'form.command'}.'"></input>'."\n");
! 67: $request->print('<input type="hidden" name="student" '.
! 68: 'value="'.$sname.'"></input>'."\n");
! 69: $request->print('<input type="hidden" name="domain" '.
! 70: 'value="'.$sdom.'"></input>'."\n");
! 71: $request->print('<input type="submit" name="submit" '.
! 72: 'value="View"></input>'."<br />\n");
! 73: $request->print('</form>');
! 74: }
! 75: }
1.10 ng 76: }
77:
1.12 ! harris41 78: # ========== Finds a user based on a name substring (returns a 2 element array)
1.7 albertel 79: #FIXME - needs to handle multiple matches
1.2 albertel 80: sub finduser {
1.12 ! harris41 81: my ($name) = @_;
! 82: my $domain = '';
! 83: if ( $Apache::grades::viewgrades eq 'F' ) {
! 84: #get classlist
! 85: my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
! 86: my $chome = $ENV{"course.$ENV{'request.course.id'}.home"};
! 87: #print "Found $cdom:$cnum:$chome<br />";
! 88: my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
! 89: foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
! 90: my ($posname,$posdomain) = split(/:/,$student);
! 91: if ($posname =~ $name) {
! 92: $name = $posname;
! 93: $domain = $posdomain;
! 94: last;
! 95: }
! 96: }
! 97: return ($name,$domain);
! 98: } else {
! 99: return ($ENV{'user.name'},$ENV{'user.domain'});
1.7 albertel 100: }
1.5 albertel 101: }
102:
1.12 ! harris41 103: # ===================================== Gets a class list (returns a hash list)
1.5 albertel 104: sub getclasslist {
1.12 ! harris41 105: my ($coursedomain,$coursenum,$coursehome,$hideexpired) = @_;
! 106: my $classlist = &Apache::lonnet::reply('dump:'.$coursedomain.':'.
! 107: $coursenum.':classlist',$coursehome);
! 108: my %classlist = ();
! 109: my $now = time;
! 110: foreach my $record (split /&/, $classlist) {
! 111: my ($name,$value)=split(/=/,&Apache::lonnet::unescape($record));
! 112: my ($end,$start)=split(/:/,$value);
! 113: # still a student?
! 114: if (($hideexpired) && ($end) && ($end < $now)) {
! 115: print "Skipping:$name:$end:$now<br />\n";
! 116: next;
! 117: }
! 118: print "record=$record<br>";
! 119: push( @{ $classlist{'allids'} }, $name);
! 120: }
! 121: return (%classlist);
1.5 albertel 122: }
123:
1.12 ! harris41 124: # ============================== Get parts of a stored value (returns an array)
1.5 albertel 125: sub getpartlist {
1.12 ! harris41 126: my ($url) = @_;
! 127: my @parts =();
! 128: my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
! 129: foreach my $key (@metakeys) {
! 130: if ( $key =~ m/stores_([0-9]+)_.*/ ) {
! 131: push(@parts,$key);
! 132: }
1.6 albertel 133: }
1.12 ! harris41 134: return @parts;
1.5 albertel 135: }
136:
1.12 ! harris41 137: # =================================== Displays student grade (returns a string)
1.5 albertel 138: sub viewstudentgrade {
1.12 ! harris41 139: my ($url,$symb,$courseid,$student,@parts) = @_;
! 140: my $result = '';
! 141: my $cellclr = '"#ffffdd"';
! 142: my ($stuname,$domain) = split(/:/,$student);
! 143: my %record = &Apache::lonnet::restore($symb,$courseid,$domain,$stuname);
! 144: $result .= "<tr><td bgcolor=$cellclr>$stuname</td><td bgcolor=".
! 145: "\"$cellclr\" align=\"middle\">$domain</td>\n";
! 146: foreach my $part (@parts) {
! 147: my ($temp,$part,$type)=split(/_/,$part);
! 148: #print "resource.$part.$type = ".$record{"resource.$part.$type"}." <br />\n";
! 149: if ($type eq 'awarded') {
! 150: my $score = $record{"resource.$part.$type"};
! 151: $result .= "<td bgcolor=$cellclr align=\"middle\">".
! 152: "<input type=\"text\" name=".
! 153: "\"GRADE.$student.$part.$type\" ".
! 154: "value=\"$score\" size=\"4\" /></td>\n";
! 155: } elsif ($type eq 'tries') {
! 156: my $score = $record{"resource.$part.$type"};
! 157: $result .= "<td bgcolor=$cellclr align=\"middle\"><input ".
! 158: "type=\"text\" name=\"GRADE.$student.$part.".
! 159: "$type\" value=\"$score\" size=\"4\" /></td>\n";
! 160: } elsif ($type eq 'solved') {
! 161: my $score = $record{"resource.$part.$type"};
! 162: $result .= "<td bgcolor=\"$cellclr\" align=\"middle\">".
! 163: "<select name=\"GRADE.$student.$part.$type\">\n";
! 164: if ($score =~ /^correct/) {
! 165: $result .= "<option selected=\"on\">correct</option>".
! 166: "\n<option>incorrect</option>\n<option>".
! 167: "excused</option>\n<option>ungraded".
! 168: "</option>\n<option>nothing</option>\n";
! 169: } elsif ($score =~ /^incorrect/) {
! 170: $result .= "<option>correct</option>\n<option ".
! 171: "selected=\"on\">incorrect</option>\n".
! 172: "<option>excused</option>\n<option>".
! 173: "ungraded</option>\n<option>nothing</option>\n";
! 174: } elsif ($score eq '') {
! 175: $result .= "<option>correct</option>\n<option> ".
! 176: "incorrect</option>\n<option>excused".
! 177: "</option>\n<option>ungraded</option>\n".
! 178: "<option selected=\"on\">nothing</option>\n";
! 179: } elsif ($score =~ /^excused/) {
! 180: $result .= "<option>correct</option>\n<option>".
! 181: "incorrect</option>\n<option selected=".
! 182: "\"on\">excused</option>\n<option>".
! 183: "ungraded</option>\n<option>nothing</option>\n";
! 184: } elsif ($score =~ /^ungraded/) {
! 185: $result .= "<option>correct</option>\n<option>".
! 186: "incorrect</option>\n<option>excused".
! 187: "</option>\n<option selected=\"on\">".
! 188: "ungraded</option>\n<option>nothing</option>\n";
! 189: }
! 190: $result .= "</select></td>\n";
! 191: }
! 192: }
! 193: $result .= '</tr>';
! 194: return $result;
1.5 albertel 195: }
1.12 ! harris41 196:
! 197: # ========================================================== Sets student grade
! 198: #FIXME need to look at the meatdata <stores> spec
! 199: # on what type of data to accept and provide an
1.6 albertel 200: #interface based on that, also do that to above function.
1.5 albertel 201: sub setstudentgrade {
1.12 ! harris41 202: my ($url,$symb,$courseid,$student,@parts) = @_;
! 203: my $result ='';
! 204: my ($stuname,$domain) = split(/:/,$student);
! 205: my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);
! 206: my %newrecord;
! 207: foreach my $part (@parts) {
! 208: my ($temp,$part,$type) = split(/_/,$part);
! 209: my $oldscore = $record{"resource.$part.$type"};
! 210: my $newscore = $ENV{"form.GRADE.$student.$part.$type"};
! 211: if ($type eq 'solved') {
! 212: my $update = 0;
! 213: if ($newscore eq 'nothing' ) {
! 214: if ($oldscore ne '') {
! 215: $update = 1;
! 216: $newscore = '';
! 217: }
! 218: } elsif ($oldscore !~ m/^$newscore/) {
! 219: $update=1;
! 220: $result.="Updating $stuname to $newscore<br />\n";
! 221: if ($newscore eq 'correct') {
! 222: $newscore = 'correct_by_override'; }
! 223: if ($newscore eq 'incorrect') {
! 224: $newscore = 'incorrect_by_override'; }
! 225: if ($newscore eq 'excused') {
! 226: $newscore = 'excused'; }
! 227: if ($newscore eq 'ungraded') {
! 228: $newscore = 'ungraded_attempted'; }
! 229: } else {
! 230: #$result.="$stuname:$part:$type:unchanged $oldscore to $newscore:<br />\n";
! 231: }
! 232: if ($update) { $newrecord{"resource.$part.$type"}=$newscore; }
! 233: } else {
! 234: if ($oldscore ne $newscore) {
! 235: $newrecord{"resource.$part.$type"}=$newscore;
! 236: $result .= "Updating $student"."'s status for $part.$type to ".
! 237: "$newscore<br />\n";
! 238: } else {
! 239: #$result.="$stuname:$part:$type:unchanged $oldscore to $newscore:<br />\n";
! 240: }
1.6 albertel 241: }
1.12 ! harris41 242: }
! 243: if ( scalar(keys(%newrecord)) > 0 ) {
! 244: $newrecord{"resource.regrader"} = $ENV{'user.name'}.':'.
! 245: $ENV{'user.domain'};
! 246: &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);
! 247:
! 248: $result .= 'Stored away '.scalar(keys(%newrecord)).
! 249: " elements.<br />\n";
! 250: }
! 251: return $result;
1.2 albertel 252: }
253:
1.12 ! harris41 254:
! 255: # ========================================================== Attempt submission
1.2 albertel 256: sub submission {
1.12 ! harris41 257: my ($request) = @_;
! 258: my $url = $ENV{'form.url'};
! 259: $url =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
! 260: if ($ENV{'form.student'} eq '') {
! 261: &moreinfo($request,"Need student login id"); return ''; }
1.10 ng 262: # if ($ENV{'form.student'} eq '') { &listStudents($request); return ''; }
1.12 ! harris41 263: my ($uname,$udom) = &finduser($ENV{'form.student'});
! 264: if ($uname eq '') {
! 265: &moreinfo($request,"Unable to find student"); return ''; }
! 266: my $symb=&Apache::lonnet::symbread($url);
! 267: if ($symb eq '') {
! 268: $request->print("Unable to handle ambiguous references:$url:.");
! 269: return ''; }
! 270: my $answer = &Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
! 271: $ENV{'request.course.id'});
! 272: my $result = "<h2> Submission Record </h2> $uname:$udom for $url <br />".
! 273: $answer;
! 274: return $result;
1.2 albertel 275: }
276:
1.12 ! harris41 277: # ================================================================= View grades
1.5 albertel 278: sub viewgrades {
1.12 ! harris41 279: my ($request) = @_;
! 280: my $result = '';
! 281:
! 282: #get resource reference
! 283: my $url = $ENV{'form.url'};
! 284: $url =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
! 285: my $symb=$ENV{'form.symb'};
! 286: if (!$symb) { $symb = &Apache::lonnet::symbread($url); }
! 287: if ($symb eq '') {
! 288: $request->print("Unable to handle ambiguous references:$url:.");
! 289: return '';
! 290: }
! 291:
! 292: #get classlist
! 293: my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
! 294: my $chome = $ENV{"course.$ENV{'request.course.id'}.home"};
! 295: #print "Found $cdom:$cnum:$chome<br />";
! 296: my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
! 297: my $headerclr = '"#ccffff"';
! 298: my $cellclr = '"#ffffcc"';
1.5 albertel 299:
1.12 ! harris41 300: #get list of parts for this problem
! 301: my (@parts) = &getpartlist($url);
1.5 albertel 302:
1.12 ! harris41 303: $request->print("<h2><font color=\"#339966\">Manual Grading</font></h2>");
! 304:
! 305: #start the form
! 306: $result = '<form action="/adm/grades" method="post">'."\n".
! 307: '<input type="hidden" name="symb" value="'.$symb.'"/>'."\n".
! 308: '<input type="hidden" name="url" value="'.$url.'"/>'."\n".
! 309: '<input type="hidden" name="command" value="editgrades" />'."\n".
! 310: '<input type="submit" name="submit" value="Submit Changes" />'.
! 311: "\n".'<table border=0><tr><td bgcolor="#999999">'."\n".
! 312: '<table border=0>'."\n".
! 313: '<tr><td bgcolor='.$headerclr.'>UserId</td><td bgcolor='.
! 314: $headerclr.'>Domain</td>'."\n";
! 315: foreach my $part (@parts) {
! 316: my $display = &Apache::lonnet::metadata($url,$part.'.display');
! 317: if (!$display) {
! 318: $display = &Apache::lonnet::metadata($url,$part.'.name'); }
! 319: $result .= '<td bgcolor='.$headerclr.'>'.$display.'</td>'."\n";
! 320: }
! 321: $result .= "</tr>";
! 322:
! 323: #get info for each student
! 324: foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
! 325: $result .= &viewstudentgrade($url,$symb,$ENV{'request.course.id'},
! 326: $student,@parts);
! 327: }
! 328: $result .= '</table></td></tr></table><input type="submit" name="submit"'.
! 329: 'value="Submit Changes" /></form>';
! 330: return $result;
1.5 albertel 331: }
332:
1.12 ! harris41 333: # ================================================================= Edit grades
1.5 albertel 334: sub editgrades {
1.12 ! harris41 335: my ($request) = @_;
! 336: my $result='';
! 337:
! 338: my $symb = $ENV{'form.symb'};
! 339: if ($symb eq '') {
! 340: $request->print("Unable to handle ambiguous references:$symb:".
! 341: $ENV{'form.url'});
! 342: return '';
! 343: }
! 344: my $url = $ENV{'form.url'};
! 345: #get classlist
! 346: my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
! 347: my $chome = $ENV{"course.$ENV{'request.course.id'}.home"};
! 348: #print "Found $cdom:$cnum:$chome<br />";
! 349: my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
! 350:
! 351: #get list of parts for this problem
! 352: my (@parts) = &getpartlist($url);
! 353:
! 354: $result .= '<form action="/adm/grades" method="post">'."\n".
! 355: '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
! 356: '<input type="hidden" name="url" value="'.$url.'" />'."\n".
! 357: '<input type="hidden" name="command" value="viewgrades" />'.
! 358: "\n".'<input type="submit" name="submit" value="See Grades" />'.
! 359: '<br />'."\n";
1.5 albertel 360:
1.12 ! harris41 361: foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
! 362: $result .= &setstudentgrade($url,$symb,$ENV{'request.course.id'},
! 363: $student,@parts);
! 364: }
1.5 albertel 365:
1.12 ! harris41 366: $result .= '<input type="submit" name="submit" value="See Grades" />'.
! 367: '</table></form>';
! 368: return $result;
1.5 albertel 369: }
370:
1.12 ! harris41 371: # ================================================================= Send header
1.2 albertel 372: sub send_header {
1.12 ! harris41 373: my ($request) = @_;
! 374: $request->print(&Apache::lontexconvert::header());
1.6 albertel 375: # $request->print("
376: #<script>
377: #remotewindow=open('','homeworkremote');
378: #remotewindow.close();
379: #</script>");
1.12 ! harris41 380: $request->print('<body bgcolor="#FFFFFF">');
1.2 albertel 381: }
382:
1.12 ! harris41 383: # ================================================================= Send footer
1.2 albertel 384: sub send_footer {
1.12 ! harris41 385: my ($request) = @_;
1.2 albertel 386: $request->print('</body>');
387: $request->print(&Apache::lontexconvert::footer());
388: }
389:
1.12 ! harris41 390: # ===================================================================== Handler
1.1 albertel 391: sub handler {
1.12 ! harris41 392: my $request = $_[0];
! 393: if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;}
! 394: else {$Apache::lonxml::debug=0;}
! 395: if ($ENV{'browser.mathml'}) {
! 396: $request->content_type('text/xml');
! 397: } else {
! 398: $request->content_type('text/html');
! 399: }
! 400: $request->send_http_header;
! 401: return OK if $request->header_only;
! 402: my $url = $ENV{'form.url'};
! 403: my $symb = $ENV{'form.symb'};
! 404: my $command = $ENV{'form.command'};
! 405:
! 406: &send_header($request);
! 407: if ($url eq '' && $symb eq '') {
! 408: $request->print("Non-Contextual Access Unsupported:$command:$url:");
1.2 albertel 409: } else {
1.12 ! harris41 410: $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',
! 411: $ENV{'request.course.id'});
! 412: if ($command eq 'submission') {
! 413: $request->print(&listStudents($request))
! 414: if ($ENV{'form.student'} eq '');
! 415: $request->print(&submission($request))
! 416: if ($ENV{'form.student'} ne '');
! 417: } elsif ($command eq 'viewgrades') {
! 418: $request->print(&viewgrades($request));
! 419: } elsif ($command eq 'editgrades') {
! 420: $request->print(&editgrades($request));
! 421: } else {
! 422: $request->print("Unknown action:$command:");
! 423: }
1.2 albertel 424: }
1.12 ! harris41 425: &send_footer($request);
! 426: return OK;
1.1 albertel 427: }
428:
429: 1;
430:
1.12 ! harris41 431: __END__
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