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Can now modify a single students data. Woo!
1: # The LearningOnline Network with CAPA 2: # Handler to drop and add students in courses 3: # 4: # $Id: londropadd.pm,v 1.52 2002/09/24 18:24:43 matthew 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: # (Handler to set parameters for assessments 29: # 30: # (Handler to resolve ambiguous file locations 31: # 32: # (TeX Content Handler 33: # 34: ############################################################### 35: ############################################################### 36: 37: package Apache::londropadd; 38: 39: use strict; 40: use Apache::lonnet(); 41: use Apache::loncommon(); 42: use Apache::lonhtmlcommon(); 43: use Apache::Constants qw(:common :http REDIRECT); 44: 45: ############################################################### 46: ############################################################### 47: sub header { 48: my $bodytag=&Apache::loncommon::bodytag('Enrollment Manager'); 49: return(<<ENDHEAD); 50: <html> 51: <head> 52: <title>LON-CAPA Enrollment Manager</title> 53: </head> 54: $bodytag 55: <form method="post" enctype="multipart/form-data" 56: action="/adm/dropadd" name="studentform"> 57: ENDHEAD 58: } 59: 60: ############################################################### 61: ############################################################### 62: # Drop student from all sections of a course, except optional $csec 63: sub modifystudent { 64: my ($udom,$unam,$courseid,$csec,$desiredhost)=@_; 65: # if $csec is undefined, drop the student from all the courses matching 66: # this one. If $csec is defined, drop them from all other sections of 67: # this course and add them to section $csec 68: $courseid=~s/\_/\//g; 69: $courseid=~s/^(\w)/\/$1/; 70: my %roles = &Apache::lonnet::dump('roles',$udom,$unam); 71: my ($tmp) = keys(%roles); 72: # Bail out if we were unable to get the students roles 73: return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i); 74: # Go through the roles looking for enrollment in this course 75: my $result = ''; 76: foreach my $course (keys(%roles)) { 77: if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) { 78: # We are in this course 79: my $section=$1; 80: $section='' if ($course eq $courseid.'_st'); 81: if ( ((!$section) && (!$csec)) || ($section ne $csec) ) { 82: my (undef,$end,$start)=split(/\_/,$roles{$course}); 83: my $now=time; 84: # if this is an active role 85: if (!($start && ($now<$start)) || !($end && ($now>$end))) { 86: my $reply=&Apache::lonnet::modifystudent 87: ($udom,$unam,'','','','','','','', 88: $section,time,undef,undef,$desiredhost); 89: $result .= $reply.':'; 90: } 91: } 92: } 93: } 94: if ($result eq '') { 95: $result eq 'Unable to find section for this student'; 96: } else { 97: $result =~ s/(ok:)+/ok/g; 98: } 99: return $result; 100: } 101: 102: ############################################################### 103: ############################################################### 104: # build a domain and server selection form 105: sub domain_form { 106: my ($defdom) = @_; 107: # Set up domain and server selection forms 108: # 109: # Get the domains 110: my @domains = &Apache::loncommon::get_domains(); 111: # build up the menu information to be passed to 112: # &Apache::loncommon::linked_select_forms 113: my %select_menus; 114: foreach my $dom (@domains) { 115: # set up the text for this domain 116: $select_menus{$dom}->{'text'}= $dom; 117: # we want a choice of 'default' as the default in the second menu 118: $select_menus{$dom}->{'default'}= 'default'; 119: $select_menus{$dom}->{'select2'}->{'default'} = 'default'; 120: # Now build up the other items in the second menu 121: my %servers = &Apache::loncommon::get_library_servers($dom); 122: foreach my $server (keys(%servers)) { 123: $select_menus{$dom}->{'select2'}->{$server} 124: = "$server $servers{$server}"; 125: } 126: } 127: my $result = &Apache::loncommon::linked_select_forms 128: ('studentform',' with home server ',$defdom, 129: 'lcdomain','lcserver',\%select_menus); 130: return $result; 131: } 132: 133: ############################################################### 134: ############################################################### 135: # Menu Phase One 136: sub print_main_menu { 137: my $r=shift; 138: $r->print(<<END); 139: <p> 140: <font size="+1"> 141: <a href="/adm/dropadd?action=upload">Upload a course list</a> 142: </font> 143: </p><p> 144: <font size="+1"> 145: <a href="/adm/dropadd?action=enrollstudent">Enroll a single student</a> 146: </font> 147: </p><p> 148: <font size="+1"> 149: <a href="/adm/dropadd?action=modifystudent">Modify student data</a> 150: </font> 151: </p><p> 152: <font size="+1"> 153: <a href="/adm/dropadd?action=classlist">View Classlist</a> 154: </font> 155: </p><p> 156: <font size="+1"> 157: <a href="/adm/dropadd?action=drop">Drop Students</a> 158: </font> 159: </p> 160: END 161: } 162: 163: ############################################################### 164: ############################################################### 165: sub print_upload_manager_header { 166: my ($r,$datatoken,$distotal,$krbdefdom)=@_; 167: my $javascript; 168: if (! exists($ENV{'form.upfile_associate'})) { 169: $ENV{'form.upfile_associate'} = 'forward'; 170: } 171: if ($ENV{'form.associate'} eq 'Reverse Association') { 172: if ( $ENV{'form.upfile_associate'} ne 'reverse' ) { 173: $ENV{'form.upfile_associate'} = 'reverse'; 174: } else { 175: $ENV{'form.upfile_associate'} = 'forward'; 176: } 177: } 178: if ($ENV{'form.upfile_associate'} eq 'reverse') { 179: $javascript=&upload_manager_javascript_reverse_associate(); 180: } else { 181: $javascript=&upload_manager_javascript_forward_associate(); 182: } 183: my $javascript_validations=&javascript_validations($krbdefdom); 184: $r->print(<<ENDPICK); 185: <h3>Uploading Class List</h3> 186: <hr> 187: <h3>Identify fields</h3> 188: Total number of records found in file: $distotal <hr /> 189: Enter as many fields as you can. The system will inform you and bring you back 190: to this page if the data selected is insufficient to run your class.<hr /> 191: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" /> 192: <input type="hidden" name="action" value="upload" /> 193: <input type="hidden" name="state" value="got_file" /> 194: <input type="hidden" name="associate" value="" /> 195: <input type="hidden" name="datatoken" value="$datatoken" /> 196: <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" /> 197: <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" /> 198: <input type="hidden" name="upfile_associate" 199: value="$ENV{'form.upfile_associate'}" /> 200: <hr /> 201: <script type="text/javascript" language="Javascript"> 202: $javascript 203: $javascript_validations 204: </script> 205: ENDPICK 206: } 207: 208: ############################################################### 209: ############################################################### 210: sub javascript_validations { 211: my ($krbdefdom)=@_; 212: my %param = ( formname => 'studentform', 213: kerb_def_dom => $krbdefdom ); 214: my $authheader = &Apache::loncommon::authform_header(%param); 215: return (<<ENDPICK); 216: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec) { 217: var foundatype=0; 218: var message=''; 219: if (founduname==0) { 220: alert('You need to specify the username field'); 221: return; 222: } 223: if (current.radiovalue == null || current.radiovalue == 'nochange') { 224: // They did not check any of the login radiobuttons. 225: alert('You must choose an authentication type'); 226: return; 227: } 228: foundatype=1; 229: if (current.argfield == null || current.argfield == '') { 230: var alertmsg = ''; 231: switch (current.value) { 232: case 'krb': 233: alertmsg = 'You need to specify the Kerberos domain'; 234: break; 235: case 'loc': 236: case 'fsys': 237: alertmsg = 'You need to specify the initial password'; 238: break; 239: case 'fsys': 240: alertmsg = ''; 241: break; 242: default: 243: alertmsg = ''; 244: } 245: if (alertmsg != '') { 246: alert(alertmsg); 247: return; 248: } 249: } 250: 251: if (foundname==0) { message='No name fields specified. '; } 252: if (foundid==0) { message+='No ID or student number field specified. '; } 253: if (foundsec==0) { message+='No section or group field specified. '; } 254: if (vf.startdate.value=='') { 255: message+='No starting date set. '; 256: } 257: if (vf.enddate.value=='') { 258: message+='No ending date set. '; 259: } 260: if ((vf.enddate.value!='') && (vf.startdate.value!='')) { 261: if (Math.round(vf.enddate.value)<Math.round(vf.startdate.value)) { 262: alert('Ending date is before starting date'); 263: return; 264: } 265: } 266: if (message!='') { 267: message+='Continue enrollment?'; 268: if (confirm(message)) { 269: pclose(); 270: vf.state.value='enrolling'; 271: vf.submit(); 272: } 273: } else { 274: pclose(); 275: vf.state.value='enrolling'; 276: vf.submit(); 277: } 278: } 279: 280: 281: function pclose() { 282: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms", 283: "height=350,width=350,scrollbars=no,menubar=no"); 284: parmwin.close(); 285: } 286: 287: function pjump(type,dis,value,marker,ret,call) { 288: parmwin=window.open("/adm/rat/parameter.html?type="+escape(type) 289: +"&value="+escape(value)+"&marker="+escape(marker) 290: +"&return="+escape(ret) 291: +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms", 292: "height=350,width=350,scrollbars=no,menubar=no"); 293: 294: } 295: 296: function dateset() { 297: if (document.studentform.pres_marker.value=='end') { 298: document.studentform.enddate.value= 299: document.studentform.pres_value.value; 300: } 301: if (document.studentform.pres_marker.value=='start') { 302: document.studentform.startdate.value= 303: document.studentform.pres_value.value; 304: } 305: pclose(); 306: } 307: 308: $authheader 309: ENDPICK 310: 311: } 312: 313: ############################################################### 314: ############################################################### 315: sub upload_manager_javascript_forward_associate { 316: return(<<ENDPICK); 317: function verify(vf) { 318: var founduname=0; 319: var foundpwd=0; 320: var foundname=0; 321: var foundid=0; 322: var foundsec=0; 323: var tw; 324: for (i=0;i<=vf.nfields.value;i++) { 325: tw=eval('vf.f'+i+'.selectedIndex'); 326: if (tw==1) { founduname=1; } 327: if ((tw>=2) && (tw<=6)) { foundname=1; } 328: if (tw==7) { foundid=1; } 329: if (tw==8) { foundsec=1; } 330: if (tw==9) { foundpwd=1; } 331: } 332: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec); 333: } 334: 335: // 336: // vf = this.form 337: // tf = column number 338: // 339: // values of nw 340: // 341: // 0 = none 342: // 1 = username 343: // 2 = names (lastname, firstnames) 344: // 3 = fname (firstname) 345: // 4 = mname (middlename) 346: // 5 = lname (lastname) 347: // 6 = gen (generation) 348: // 7 = id 349: // 8 = section 350: // 9 = ipwd (password) 351: // 352: function flip(vf,tf) { 353: var nw=eval('vf.f'+tf+'.selectedIndex'); 354: var i; 355: // make sure no other columns are labeled the same as this one 356: for (i=0;i<=vf.nfields.value;i++) { 357: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) { 358: eval('vf.f'+i+'.selectedIndex=0;') 359: } 360: } 361: // If we set this to 'lastname, firstnames', clear out all the ones 362: // set to 'fname','mname','lname','gen' (3,4,5,6) currently. 363: if (nw==2) { 364: for (i=0;i<=vf.nfields.value;i++) { 365: if ((eval('vf.f'+i+'.selectedIndex')>=3) && 366: (eval('vf.f'+i+'.selectedIndex')<=6)) { 367: eval('vf.f'+i+'.selectedIndex=0;') 368: } 369: } 370: } 371: // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6), 372: // clear out any that are set to 'lastname, firstnames' (2) 373: if ((nw>=3) && (nw<=6)) { 374: for (i=0;i<=vf.nfields.value;i++) { 375: if (eval('vf.f'+i+'.selectedIndex')==2) { 376: eval('vf.f'+i+'.selectedIndex=0;') 377: } 378: } 379: } 380: // If we set the password, make the password form below correspond to 381: // the new value. 382: if (nw==9) { 383: changed_radio('int',document.studentform); 384: set_auth_radio_buttons('int',document.studentform); 385: vf.intarg.value=''; 386: vf.krbarg.value=''; 387: vf.locarg.value=''; 388: } 389: } 390: 391: function clearpwd(vf) { 392: var i; 393: for (i=0;i<=vf.nfields.value;i++) { 394: if (eval('vf.f'+i+'.selectedIndex')==9) { 395: eval('vf.f'+i+'.selectedIndex=0;') 396: } 397: } 398: } 399: 400: ENDPICK 401: } 402: 403: ############################################################### 404: ############################################################### 405: sub upload_manager_javascript_reverse_associate { 406: return(<<ENDPICK); 407: function verify(vf) { 408: var founduname=0; 409: var foundpwd=0; 410: var foundname=0; 411: var foundid=0; 412: var foundsec=0; 413: var tw; 414: for (i=0;i<=vf.nfields.value;i++) { 415: tw=eval('vf.f'+i+'.selectedIndex'); 416: if (i==0 && tw!=0) { founduname=1; } 417: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; } 418: if (i==6 && tw!=0) { foundid=1; } 419: if (i==7 && tw!=0) { foundsec=1; } 420: if (i==8 && tw!=0) { foundpwd=1; } 421: } 422: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec); 423: } 424: 425: function flip(vf,tf) { 426: var nw=eval('vf.f'+tf+'.selectedIndex'); 427: var i; 428: // picked the all one one name field, reset the other name ones to blank 429: if (tf==1 && nw!=0) { 430: for (i=2;i<=5;i++) { 431: eval('vf.f'+i+'.selectedIndex=0;') 432: } 433: } 434: //picked one of the piecewise name fields, reset the all in 435: //one field to blank 436: if ((tf>=2) && (tf<=5) && (nw!=0)) { 437: eval('vf.f1.selectedIndex=0;') 438: } 439: // intial password specified, pick internal authentication 440: if (tf==8 && nw!=0) { 441: changed_radio('int',document.studentform); 442: set_auth_radio_buttons('int',document.studentform); 443: vf.krbarg.value=''; 444: vf.intarg.value=''; 445: vf.locarg.value=''; 446: } 447: } 448: 449: function clearpwd(vf) { 450: var i; 451: if (eval('vf.f8.selectedIndex')!=0) { 452: eval('vf.f8.selectedIndex=0;') 453: } 454: } 455: ENDPICK 456: } 457: 458: ############################################################### 459: ############################################################### 460: sub print_upload_manager_footer { 461: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_; 462: my %param = ( formname => 'document.studentform'); 463: my $krbform = &Apache::loncommon::authform_kerberos(%param); 464: my $intform = &Apache::loncommon::authform_internal(%param); 465: my $locform = &Apache::loncommon::authform_local(%param); 466: my $domform = &domain_form($defdom); 467: $r->print(<<ENDPICK); 468: </table> 469: <input type=hidden name=nfields value=$i> 470: <input type=hidden name=keyfields value="$keyfields"> 471: <h3>Login Type</h3> 472: <p>Note: this will not take effect if the user already exists</p> 473: <p> 474: $krbform 475: </p> 476: <p> 477: $intform 478: </p> 479: <p> 480: $locform 481: </p> 482: <h3>LON-CAPA Domain for Students</h3> 483: LON-CAPA domain: $domform <p> 484: <h3>Starting and Ending Dates</h3> 485: <input type="hidden" value='' name="pres_value" > 486: <input type="hidden" value='' name="pres_type" > 487: <input type="hidden" value='' name="pres_marker" > 488: <input type="hidden" value='$today' name="startdate" > 489: <input type="hidden" value='$halfyear' name="enddate" > 490: <a 491: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');" 492: >Set Starting Date</a><p> 493: 494: <a 495: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');" 496: >Set Ending Date</a><p> 497: <h3>Full Update</h3> 498: <input type=checkbox name=fullup value=yes> Full update 499: (also print list of users not enrolled anymore)<p> 500: <h3>ID/Student Number</h3> 501: <input type=checkbox name=forceid value=yes> 502: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs 503: (only do if you know what you are doing)<p> 504: <input type="button" onClick="javascript:verify(this.form)" value="Update Courselist" /><br /> 505: Note: for large courses, this operation may be time consuming. 506: ENDPICK 507: } 508: 509: # ======================================================= Menu Phase Two Upload 510: sub print_upload_manager_form { 511: my $r=shift; 512: 513: my $datatoken; 514: if (!$ENV{'form.datatoken'}) { 515: $datatoken=&Apache::loncommon::upfile_store($r); 516: } else { 517: $datatoken=$ENV{'form.datatoken'}; 518: &Apache::loncommon::load_tmp_file($r); 519: } 520: my @records=&Apache::loncommon::upfile_record_sep(); 521: my $total=$#records; 522: my $distotal=$total+1; 523: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/; 524: my $krbdefdom=$1; 525: $krbdefdom=~tr/a-z/A-Z/; 526: my $today=time; 527: my $halfyear=$today+15552000; 528: my $defdom=$r->dir_config('lonDefDomain'); 529: &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom); 530: my $i; 531: my $keyfields; 532: if ($total>=0) { 533: my @d=(['username','Username'], 534: ['names','Last Name, First Names'], 535: ['fname','First Name'], 536: ['mname','Middle Names/Initials'], 537: ['lname','Last Name'], 538: ['gen','Generation'], 539: ['id','ID/Student Number'], 540: ['sec','Group/Section'], 541: ['ipwd','Initial Password']); 542: if ($ENV{'form.upfile_associate'} eq 'reverse') { 543: &Apache::loncommon::csv_print_samples($r,\@records); 544: $i=&Apache::loncommon::csv_print_select_table($r,\@records,\@d); 545: foreach (@d) { $keyfields.=$_->[0].','; } 546: chop($keyfields); 547: } else { 548: unshift(@d,['none','']); 549: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,\@d); 550: my %sone=&Apache::loncommon::record_sep($records[0]); 551: $keyfields=join(',',sort(keys(%sone))); 552: } 553: } 554: &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear); 555: } 556: 557: # ======================================================= Enroll single student 558: sub enroll_single_student { 559: my $r=shift; 560: $r->print('<h3>Enrolling Student</h3>'); 561: $r->print('<p>Enrolling '.$ENV{'form.cuname'}." in domain ". 562: $ENV{'form.lcdomain'}.'</p>'); 563: if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&& 564: ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) { 565: # Deal with home server selection 566: my $domain=$ENV{'form.lcdomain'}; 567: my $desiredhost = $ENV{'form.lcserver'}; 568: if (lc($desiredhost) eq 'default') { 569: $desiredhost = undef; 570: } else { 571: my %home_servers =&Apache::loncommon::get_library_servers($domain); 572: if (! exists($home_servers{$desiredhost})) { 573: $r->print('<font color="#ff0000">Error:</font>'. 574: 'Invalid home server specified'); 575: return; 576: } 577: } 578: $r->print(" with server $desiredhost :") if (defined($desiredhost)); 579: # End of home server selection logic 580: my $amode=''; 581: my $genpwd=''; 582: if ($ENV{'form.login'} eq 'krb') { 583: $amode='krb'; 584: $amode.=$ENV{'form.krbver'}; 585: $genpwd=$ENV{'form.krbarg'}; 586: } elsif ($ENV{'form.login'} eq 'int') { 587: $amode='internal'; 588: $genpwd=$ENV{'form.intarg'}; 589: } elsif ($ENV{'form.login'} eq 'loc') { 590: $amode='localauth'; 591: $genpwd=$ENV{'form.locarg'}; 592: if (!$genpwd) { $genpwd=" "; } 593: } 594: my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'}, 595: $ENV{'form.lcdomain'}); 596: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) { 597: &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'}, 598: $ENV{'request.course.id'},$ENV{'form.csec'}, 599: $desiredhost); 600: $r->print(&Apache::lonnet::modifystudent( 601: $ENV{'form.lcdomain'},$ENV{'form.cuname'}, 602: $ENV{'form.cstid'},$amode,$genpwd, 603: $ENV{'form.cfirst'},$ENV{'form.cmiddle'}, 604: $ENV{'form.clast'},$ENV{'form.cgen'}, 605: $ENV{'form.csec'},$ENV{'form.enddate'}, 606: $ENV{'form.startdate'},$ENV{'form.forceid'}, 607: $desiredhost)); 608: } else { 609: $r->print('<p><font color="#ff0000">ERROR</font> '. 610: 'Invalid login mode or password. '. 611: 'Unable to enroll '.$ENV{'form.cuname'}.'.</p>'); 612: } 613: } else { 614: $r->print('Invalid username or domain'); 615: } 616: } 617: 618: # ======================================================= Menu Phase Two Enroll 619: sub print_enroll_single_student_form { 620: my $r=shift; 621: $r->print("<h3>Enroll One Student</h3>"); 622: my ($krbdefdom) = $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/; 623: $krbdefdom=~tr/a-z/A-Z/; 624: my $today = time; 625: my $halfyear = $today+15552000; 626: my $defdom=$r->dir_config('lonDefDomain'); 627: my $javascript_validations=&javascript_validations($krbdefdom); 628: # Set up authentication forms 629: my %param = ( formname => 'document.studentform'); 630: my $krbform = &Apache::loncommon::authform_kerberos(%param); 631: my $intform = &Apache::loncommon::authform_internal(%param); 632: my $locform = &Apache::loncommon::authform_local(%param); 633: # Set up domain selection form 634: my $domform = &domain_form($defdom); 635: # Print it all out 636: $r->print(<<END); 637: <input type="hidden" name="action" value="enrollstudent"> 638: <input type="hidden" name="state" value="done"> 639: 640: <script type="text/javascript" language="Javascript"> 641: function verify(vf) { 642: var founduname=0; 643: var foundpwd=0; 644: var foundname=0; 645: var foundid=0; 646: var foundsec=0; 647: var tw; 648: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') && 649: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) { 650: founduname=1; 651: } 652: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') && 653: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) { 654: foundname=1; 655: } 656: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) { 657: foundsec=1; 658: } 659: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) { 660: foundid=1; 661: } 662: if (founduname==0) { 663: alert('You need to specify at least the username and domain fields'); 664: return; 665: } 666: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec); 667: } 668: 669: $javascript_validations 670: 671: function clearpwd(vf) { 672: //nothing else needs clearing 673: } 674: 675: </script> 676: <h3>Personal Data</h3> 677: <table> 678: <tr><td>First Name:</td><td> <input type="text" name="cfirst" size="15"></td></tr> 679: <tr><td>Middle Name:</td><td> <input type="text" name="cmiddle" size="15"></td></tr> 680: <tr><td>Last Name: </td><td><input type="text" name="clast" size="15"></td></tr> 681: <tr><td>Generation: </td><td><input type="text" name="cgen" size="5"> </td></tr> 682: </table> 683: 684: <h3>Login Data</h3> 685: <p>Username: <input type="text" name="cuname" size="15"></p> 686: <p>Domain: $domform</p> 687: <p>Note: login settings below will not take effect if the user already exists 688: </p><p> 689: $krbform 690: </p><p> 691: $intform 692: </p><p> 693: $locform 694: </p><p> 695: 696: <h3>Course Data</h3> 697: 698: <p>Group/Section: <input type="text" name="csec" size="5" /> 699: <p> 700: <!-- Date setting form elements --> 701: <input type="hidden" name="pres_value" value='' /> 702: <input type="hidden" name="pres_type" value='' /> 703: <input type="hidden" name="pres_marker" value='' /> 704: <input type="hidden" name="startdate" value='$today' /> 705: <input type="hidden" name="enddate" value='$halfyear' /> 706: </p><p> 707: <a 708: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');" 709: >Set Starting Date</a> 710: </p><p> 711: <a 712: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');" 713: >Set Ending Date</a> 714: </p> 715: <h3>ID/Student Number</h3> 716: <p> 717: ID/Student Number: <input type="text" name="cstid" size="10"> 718: </p><p> 719: <input type="checkbox" name="forceid" value="yes"> 720: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs 721: (only do if you know what you are doing) 722: </p><p> 723: <input type="button" onClick="verify(this.form)" value="Enroll as student"> 724: </p> 725: END 726: return; 727: } 728: 729: # =================================================== get the current classlist 730: sub get_current_classlist { 731: my $r = shift; 732: # Call DownloadClasslist 733: my $cid = $ENV{'request.course.id'}; 734: my $c = $r->connection; 735: my $classlisthash = &Apache::loncoursedata::DownloadClasslist 736: ($cid,'Not downloaded',$c); 737: # Call ProcessClasslist 738: my %cache; 739: my @students = &Apache::loncoursedata::ProcessClasslist(\%cache, 740: $classlisthash, 741: $cid,$c); 742: return (\@students,\%cache); 743: } 744: 745: # ========================================================= Menu Phase Two Drop 746: sub print_drop_menu { 747: my $r=shift; 748: $r->print("<h3>Drop Students</h3>"); 749: my $cid=$ENV{'request.course.id'}; 750: my ($student_array,$student_data)=&get_current_classlist($r); 751: if (! scalar(@$student_array)) { 752: $r->print("There are no students currently enrolled.\n"); 753: return; 754: } 755: # Print out the available choices 756: &show_drop_list($student_array,$student_data,$r); 757: return; 758: } 759: 760: # ============================================== view classlist 761: sub print_html_classlist { 762: my $r=shift; 763: $r->print(<<END); 764: <p> 765: <font size="+1">Current Classlist</font> 766: <font size="+1"><a href="/adm/dropadd?action=classlist&state=csv">CSV format</a></font> 767: </p> 768: END 769: my $cid=$ENV{'request.course.id'}; 770: my ($student_array,$student_data)=&get_current_classlist($r); 771: if (! scalar(@$student_array)) { 772: $r->print("There are no students currently enrolled.\n"); 773: } else { 774: # Print out the available choices 775: if ($ENV{'form.action'} eq 'modifystudent') { 776: &show_class_list($r,'view','modify','any',$student_array,$student_data); 777: } else { 778: &show_class_list($r,'view','aboutme','any',$student_array,$student_data); 779: } 780: } 781: } 782: 783: # ============================================== view classlist 784: sub print_csv_classlist { 785: my $r=shift; 786: my $cid=$ENV{'request.course.id'}; 787: my ($student_array,$student_data)=&get_current_classlist($r); 788: if (! scalar(@$student_array)) { 789: $r->print("There are no students currently enrolled.\n"); 790: } else { 791: &show_class_list($r,'csv','nolink','any',$student_array,$student_data); 792: } 793: } 794: 795: # =================================================== Show student list to drop 796: sub show_class_list { 797: my ($r,$mode,$linkto,$statusmode,$students,$student_data)=@_; 798: my $cid=$ENV{'request.course.id'}; 799: # Print out header 800: if ($mode eq 'view') { 801: if ($linkto eq 'aboutme') { 802: $r->print('Select a user name to view the users page.'); 803: } elsif ($linkto eq 'modify') { 804: $r->print('Select a user name to modify the students information'); 805: } 806: $r->print(<<END); 807: <p> 808: <table border=2> 809: <tr><th>username</th><th>domain</th><th>ID</th> 810: <th>student name</th><th>section</th></tr> 811: END 812: } elsif ($mode eq 'csv') { 813: $r->print('"'.join('","',("username","domain","ID","student name", 814: "section")).'"'."\n"); 815: } 816: foreach my $student (@$students) { 817: my $error; 818: if (exists($student_data->{$student.':error'})) { 819: $error = $student_data->{$student.':error'}; 820: } 821: if ($error) { 822: $r->print('<tr><td colspan="6">'. 823: '<font color="#FF8888">Error</font>'. 824: 'Error retrieving data for '. 825: join('@',split(/:/,$student)). 826: ', '.$error.'</td></tr>'."\n"); 827: next; 828: } 829: my $username = $student_data->{$student.':username'}; 830: my $domain = $student_data->{$student.':domain'}; 831: my $section = $student_data->{$student.':section'}; 832: my $name = $student_data->{$student.':fullname'}; 833: my $status = $student_data->{$student.':Status'}; 834: my $id = $student_data->{$student.':id'}; 835: next if (($statusmode ne 'any') && ($status ne $statusmode)); 836: if ($mode eq 'view') { 837: $r->print("<tr>\n <td>\n "); 838: if ($linkto eq 'nothing') { 839: $r->print($username); 840: } elsif ($linkto eq 'aboutme') { 841: $r->print(&Apache::loncommon::aboutmewrapper($username, 842: $username, 843: $domain)); 844: } elsif ($linkto eq 'modify') { 845: $r->print('<a href="/adm/dropadd?action=modifystudent'. 846: '&state=selected'.'&sname='.$username. 847: '&sdom='.$domain.'">'.$username."</a>\n"); 848: } 849: $r->print(<<"END"); 850: </td> 851: <td>$domain</td> 852: <td>$id</td> 853: <td>$name</td> 854: <td>$section</td> 855: </tr> 856: END 857: } elsif ($mode eq 'csv') { 858: # no need to bother with $linkto 859: my @line = (); 860: foreach ($username,$domain,$id,$name,$section) { 861: push @line,&Apache::loncommon::csv_translate($_); 862: } 863: my $tmp = $"; 864: $" = '","'; 865: $r->print("\"@line\"\n"); 866: $" = $tmp; 867: } 868: } 869: $r->print('</table><br>') if ($mode eq 'view'); 870: } 871: 872: 873: # 874: # print out form for modification of a single students data 875: # 876: sub print_modify_student_form { 877: my $r = shift(); 878: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 879: ['sdom','sname']); 880: 881: my $sname = $ENV{'form.sname'}; 882: my $sdom = $ENV{'form.sdom'}; 883: # determine the students name information 884: my %info=&Apache::lonnet::get('environment', 885: ['firstname','middlename', 886: 'lastname','generation','id'], 887: $sdom, $sname); 888: my ($tmp) = keys(%info); 889: if ($tmp =~ /^(con_lost|error|no_such_host)/i) { 890: $r->print('<font color="#ff0000" size="+2">Error</font>'. 891: '<p>'. 892: 'Unable to retrieve environment data for '.$sname. 893: 'in domain '.$sdom.'</p><p>'. 894: 'Please contact your LON-CAPA administrator '. 895: 'regarding this situation.</p></body></html>'); 896: return; 897: } 898: # determine the students starting and ending times and section 899: my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom); 900: # Deal with date forms 901: my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform', 902: 'startdate', 903: $starttime); 904: my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform', 905: 'enddate', 906: $endtime); 907: # Make sure student is enrolled in course 908: $r->print(<<END); 909: <p> 910: <font size="+1"> 911: Only domain coordinators can change a users password. 912: </font> 913: </p> 914: <input type="hidden" name="slogin" value="$sname" /> 915: <input type="hidden" name="sdomain" value="$sdom" /> 916: <input type="hidden" name="action" value="modifystudent" /> 917: <input type="hidden" name="state" value="done" /> 918: <h2>Modify Enrollment for $info{'firstname'} $info{'middlename'} 919: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2> 920: <p> 921: <b>Student Name</b> 922: <table> 923: <tr><th>First</th><th>Middle</th><th>Last</th><th>Generation</th></tr> 924: <tr><td> 925: <input type="text" name="firstname" value="$info{'firstname'}" /></td><td> 926: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td> 927: <input type="text" name="lastname" value="$info{'lastname'}" /></td><td> 928: <input type="text" name="generation" value="$info{'generation'}" /></td></tr> 929: </table> 930: </p><p> 931: <b>Student ID</b>: <input type="text" name="id" value="$info{'id'}" size="12"/> 932: </p><p> 933: <b>Section</b>: <input type="text" name="section" value="$section" size="4"/> 934: </p><p> 935: <table> 936: <tr><td align="right"><b>Starting Date:</b></td><td>$startdateform</td></tr> 937: <tr><td align="right"><b>Ending Date:</b></td><td>$enddateform</td></tr> 938: </table> 939: </p> 940: <input type="submit" value="Submit Modifications" /> 941: </body></html> 942: END 943: return; 944: } 945: 946: # 947: # modify a single students section 948: # 949: sub modify_single_student { 950: my $r = shift; 951: # make sure user can modify student data? 952: my $firstname = $ENV{'form.firstname'}; 953: my $middlename = $ENV{'form.middlename'}; 954: my $lastname = $ENV{'form.lastname'}; 955: my $generation = $ENV{'form.generation'}; 956: my $section = $ENV{'form.section'}; 957: my $courseid = $ENV{'request.course.id'}; 958: my $sname = $ENV{'form.slogin'}; 959: my $sdom = $ENV{'form.sdomain'}; 960: my $sid = $ENV{'form.id'}; 961: my $starttime = &Apache::lonhtmlcommon::get_date_from_form('startdate', 962: time); 963: my $endtime = &Apache::lonhtmlcommon::get_date_from_form('enddate', 964: time); 965: my $displayable_starttime = localtime($starttime); 966: my $displayable_endtime = localtime($endtime); 967: # talk to the user about what we are going to do 968: $r->print(<<END); 969: <h2>Modifying data for user $sname \@ $sdom </h2> 970: <h3>Student Information</h3> 971: <table> 972: <tr><td>First name </td><td> $firstname </td></tr> 973: <tr><td>Middle name </td><td> $middlename </td></tr> 974: <tr><td>Last name </td><td> $lastname </td></tr> 975: <tr><td>Generation </td><td> $generation </td></tr> 976: </table> 977: <h3>Role Information</h3> 978: <table> 979: <tr><td>Section </td><td> $section </td></tr> 980: <tr><td>Start Time </td><td> $displayable_starttime </td></tr> 981: <tr><td>End Time </td><td> $displayable_endtime </td></tr> 982: </table> 983: <p> 984: END 985: # Send request(s) to modify data 986: # The '1' in the call to modifystudent is to force the students 987: # id to be changed. 988: my $roleresults = &Apache::lonnet::modifystudent 989: ($sdom,$sname,$sid,undef,undef,$firstname,$middlename,$lastname, 990: $generation,$section,$endtime,$starttime,1); 991: if ($roleresults =~/refused/) { 992: $r->print("Your request to change the role information for this ". 993: "student was refused."); 994: } elsif ($roleresults !~ /ok/) { 995: $r->print("An error occurred during the attempt to change the role". 996: " information for this student. <br />". 997: "The error reported was ". 998: $roleresults); 999: } else { # everything is okay! 1000: $r->print("Student information updated successfully. <br />". 1001: "The student must log out and log in again to see ". 1002: "these changes."); 1003: } 1004: $r->print(<<END); 1005: </p><p> 1006: <a href="/adm/dropadd?action=modifystudent">Modify another students data</a> 1007: </body></html> 1008: END 1009: return; 1010: } 1011: 1012: sub get_enrollment_data { 1013: my ($sname,$sdomain) = @_; 1014: my $courseid = $ENV{'request.course.id'}; 1015: $courseid =~ s:_:/:g; 1016: my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname); 1017: my ($tmp) = keys(%roles); 1018: # Bail out if we were unable to get the students roles 1019: return "666" if ($tmp =~ /^(con_lost|error|no_such_host)/i); 1020: # Go through the roles looking for enrollment in this course 1021: my ($end,$start) = (undef,undef); 1022: my $section = ''; 1023: my $count = scalar(keys(%roles)); 1024: while (my ($course,$role) = each(%roles)) { 1025: &Apache::lonnet::logthis('course = '.$course.' role = '.$role); 1026: if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) { 1027: # 1028: # Get active role 1029: $section=$1; 1030: (undef,$end,$start)=split(/\_/,$role); 1031: my $now=time; 1032: my $notactive=0; 1033: if ($start) { 1034: if ($now<$start) { $notactive=1; } 1035: } 1036: if ($end) { 1037: if ($now>$end) { $notactive=1; } 1038: } 1039: unless ($notactive) { return ($start,$end,$section); } 1040: } 1041: } 1042: return ($start,$end,$section); 1043: } 1044: 1045: # =================================================== Show student list to drop 1046: sub show_drop_list { 1047: my ($students,$student_data,$r)=@_; 1048: my $cid=$ENV{'request.course.id'}; 1049: $r->print(<<'END'); 1050: <input type="hidden" name="action" value="drop" /> 1051: <input type="hidden" name="state" value="done" /> 1052: <script> 1053: function checkAll(field) { 1054: for (i = 0; i < field.length; i++) 1055: field[i].checked = true ; 1056: } 1057: 1058: function uncheckAll(field) { 1059: for (i = 0; i < field.length; i++) 1060: field[i].checked = false ; 1061: } 1062: </script> 1063: <p> 1064: <input type="hidden" name="phase" value="four"> 1065: <table border=2> 1066: <tr><th> </th><th>username</th><th>domain</th> 1067: <th>ID</th><th>student name</th><th>section</th></tr> 1068: END 1069: foreach my $student (@$students) { 1070: my $error; 1071: if (exists($student_data->{$student.':error'})) { 1072: $error = $student_data->{$student.':error'}; 1073: } 1074: if ($error) { 1075: $r->print('<tr><td colspan="6">'. 1076: '<font color="#FF8888">Error</font>'. 1077: 'Error retrieving data for '. 1078: join('@',split(/:/,$student)). 1079: ', '.$error.'</td></tr>'."\n"); 1080: next; 1081: } 1082: my $username = $student_data->{$student.':username'}; 1083: my $domain = $student_data->{$student.':domain'}; 1084: my $section = $student_data->{$student.':section'}; 1085: my $name = $student_data->{$student.':fullname'}; 1086: my $status = $student_data->{$student.':Status'}; 1087: my $id = $student_data->{$student.':id'}; 1088: next if ($status ne 'Active'); 1089: # 1090: $r->print(<<"END"); 1091: <tr> 1092: <td><input type="checkbox" name="droplist" value="$student"></td> 1093: <td>$username</td> 1094: <td>$domain</td> 1095: <td>$id</td> 1096: <td>$name</td> 1097: <td>$section</td> 1098: </tr> 1099: END 1100: } 1101: $r->print('</table><br>'); 1102: $r->print(<<"END"); 1103: </p><p> 1104: <input type="button" value="check all" onclick="javascript:checkAll(document.studentform.droplist)"> 1105: <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.droplist)"> 1106: <p><input type=submit value="Drop Students"></p> 1107: END 1108: return; 1109: } 1110: 1111: # 1112: # Print out the initial form to get the courselist file 1113: # 1114: sub print_first_courselist_upload_form { 1115: my $r=shift; 1116: my $upfile_select=&Apache::loncommon::upfile_select_html(); 1117: my $create_classlist_help = 1118: &Apache::loncommon::help_open_topic("Course_Create_Class_List", 1119: "How do I create a class list from a spreadsheet"); 1120: my $create_csv_help = 1121: &Apache::loncommon::help_open_topic("Course_Convert_To_CSV", 1122: "How do I create a CSV file from a spreadsheet"); 1123: $r->print(<<ENDUPFORM); 1124: <input type=hidden name=phase value=two> 1125: <h3>Upload a courselist</h3> 1126: $upfile_select 1127: <p> 1128: <input type=submit name="fileupload" value="Upload Courselist"> 1129: <input type="hidden" name="action" value="upload" /> 1130: <input type="hidden" name="state" value="got_file" /> 1131: </p> 1132: $create_classlist_help <br /> 1133: $create_csv_help 1134: </body></html> 1135: ENDUPFORM 1136: return; 1137: } 1138: 1139: # ================================================= Drop/Add from uploaded file 1140: sub upfile_drop_add { 1141: my $r=shift; 1142: &Apache::loncommon::load_tmp_file($r); 1143: my @studentdata=&Apache::loncommon::upfile_record_sep(); 1144: my @keyfields = split(/\,/,$ENV{'form.keyfields'}); 1145: my $cid = $ENV{'request.course.id'}; 1146: my %fields=(); 1147: for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) { 1148: if ($ENV{'form.upfile_associate'} eq 'reverse') { 1149: if ($ENV{'form.f'.$i} ne 'none') { 1150: $fields{$keyfields[$i]}=$ENV{'form.f'.$i}; 1151: } 1152: } else { 1153: $fields{$ENV{'form.f'.$i}}=$keyfields[$i]; 1154: } 1155: } 1156: # 1157: my $startdate = $ENV{'form.startdate'}; 1158: my $enddate = $ENV{'form.enddate'}; 1159: if ($startdate=~/\D/) { $startdate=''; } 1160: if ($enddate=~/\D/) { $enddate=''; } 1161: # Determine domain and desired host (home server) 1162: my $domain=$ENV{'form.lcdomain'}; 1163: my $desiredhost = $ENV{'form.lcserver'}; 1164: if (lc($desiredhost) eq 'default') { 1165: $desiredhost = undef; 1166: } else { 1167: my %home_servers = &Apache::loncommon::get_library_servers($domain); 1168: if (! exists($home_servers{$desiredhost})) { 1169: $r->print('<font color="#ff0000">Error:</font>'. 1170: 'Invalid home server specified'); 1171: return; 1172: } 1173: } 1174: # Determine authentication mechanism 1175: my $amode = ''; 1176: my $genpwd = ''; 1177: if ($ENV{'form.login'} eq 'krb') { 1178: $amode='krb'; 1179: $amode.=$ENV{'form.krbver'}; 1180: $genpwd=$ENV{'form.krbarg'}; 1181: } elsif ($ENV{'form.login'} eq 'int') { 1182: $amode='internal'; 1183: if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) { 1184: $genpwd=$ENV{'form.intarg'}; 1185: } 1186: } elsif ($ENV{'form.login'} eq 'loc') { 1187: $amode='localauth'; 1188: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) { 1189: $genpwd=$ENV{'form.locarg'}; 1190: } 1191: } 1192: unless (($domain=~/\W/) || ($amode eq '')) { 1193: ####################################### 1194: ## Enroll Students ## 1195: ####################################### 1196: $r->print('<h3>Enrolling Students</h3>'); 1197: my $count=0; 1198: my $flushc=0; 1199: my %student=(); 1200: # Get new classlist 1201: foreach (@studentdata) { 1202: my %entries=&Apache::loncommon::record_sep($_); 1203: # Determine student name 1204: unless (($entries{$fields{'username'}} eq '') || 1205: (!defined($entries{$fields{'username'}}))) { 1206: my ($fname, $mname, $lname,$gen) = ('','','',''); 1207: if (defined($fields{'names'})) { 1208: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~ 1209: /([^\,]+)\,\s*(\w+)\s*(.*)$/); 1210: } else { 1211: if (defined($fields{'fname'})) { 1212: $fname=$entries{$fields{'fname'}}; 1213: } 1214: if (defined($fields{'mname'})) { 1215: $mname=$entries{$fields{'mname'}}; 1216: } 1217: if (defined($fields{'lname'})) { 1218: $lname=$entries{$fields{'lname'}}; 1219: } 1220: if (defined($fields{'gen'})) { 1221: $gen=$entries{$fields{'gen'}}; 1222: } 1223: } 1224: if ($entries{$fields{'username'}}=~/\W/) { 1225: $r->print('<p><b>Unacceptable username: '. 1226: $entries{$fields{'username'}}.' for user '. 1227: $fname.' '.$mname.' '.$lname.' '.$gen.'</b><p>'); 1228: } else { 1229: # determine section number 1230: my $sec=''; 1231: my $username=$entries{$fields{'username'}}; 1232: if (defined($fields{'sec'})) { 1233: if (defined($entries{$fields{'sec'}})) { 1234: $sec=$entries{$fields{'sec'}}; 1235: } 1236: } 1237: # determine student id number 1238: my $id=''; 1239: if (defined($fields{'id'})) { 1240: if (defined($entries{$fields{'id'}})) { 1241: $id=$entries{$fields{'id'}}; 1242: } 1243: $id=~tr/A-Z/a-z/; 1244: } 1245: # determine student password 1246: my $password=''; 1247: if ($genpwd) { 1248: $password=$genpwd; 1249: } else { 1250: if (defined($fields{'ipwd'})) { 1251: if ($entries{$fields{'ipwd'}}) { 1252: $password=$entries{$fields{'ipwd'}}; 1253: } 1254: } 1255: } 1256: if ($password) { 1257: &modifystudent($domain,$username,$cid,$sec, 1258: $desiredhost); 1259: my $reply=&Apache::lonnet::modifystudent 1260: ($domain,$username,$id,$amode,$password, 1261: $fname,$mname,$lname,$gen,$sec,$enddate, 1262: $startdate,$ENV{'form.forceid'},$desiredhost); 1263: if ($reply ne 'ok') { 1264: $r->print('<p><b>'. 1265: 'Error enrolling '.$username.': '. 1266: $reply.'</b></p>'); 1267: } else { 1268: $count++; $flushc++; 1269: $student{$username}=1; 1270: $r->print('. '); 1271: if ($flushc>15) { 1272: $r->rflush; 1273: $flushc=0; 1274: } 1275: } 1276: } else { 1277: $r->print("<p><b>No password for $username</b><p>"); 1278: } 1279: } 1280: } 1281: } # end of foreach (@studentdata) 1282: $r->print('<p>Processed Students: '.$count); 1283: ##################################### 1284: # Drop students # 1285: ##################################### 1286: if ($ENV{'form.fullup'} eq 'yes') { 1287: $r->print('<h3>Dropping Students</h3>'); 1288: # Get current classlist 1289: my ($error,%currentlist)=&get_current_classlist($r); 1290: if (defined($error)) { 1291: $r->print('<pre>ERROR:$error</pre>'); 1292: } 1293: if (defined(%currentlist)) { 1294: # Drop the students 1295: foreach (@studentdata) { 1296: my %entries=&Apache::loncommon::record_sep($_); 1297: unless (($entries{$fields{'username'}} eq '') || 1298: (!defined($entries{$fields{'username'}}))) { 1299: delete($currentlist{$entries{$fields{'username'}}. 1300: ':'.$domain}); 1301: } 1302: } 1303: # Print out list of dropped students 1304: &show_drop_list($r,%currentlist); 1305: } else { 1306: $r->print("There are no students currently enrolled.\n"); 1307: } 1308: } 1309: } # end of unless 1310: } 1311: 1312: ################################################################### 1313: ################################################################### 1314: 1315: =pod 1316: 1317: =item &drop_students 1318: 1319: Inputs: \@droplist, a pointer to an array of students to drop. 1320: Students should be in format of studentname:studentdomain 1321: 1322: Returns: $errors, a string describing any errors encountered. 1323: $successes, a string describing the successful dropping of students. 1324: 1325: =cut 1326: 1327: ################################################################### 1328: ################################################################### 1329: sub drop_students { 1330: my @droplist = @{shift()}; 1331: my $courseid = $ENV{'request.course.id'}; 1332: my $successes = ''; 1333: my $errors = ''; 1334: foreach (@droplist) { 1335: my ($sname,$sdom)=split(/:/,$_); 1336: my $result = &drop_student($sname,$sdom,$courseid); 1337: if ($result !~ /ok/) { 1338: $errors .= "Error dropping $sname\@$sdom: $result\n"; 1339: } else { 1340: $successes .= "Dropped $sname\@$sdom\n"; 1341: } 1342: } 1343: return ($errors,$successes); 1344: } 1345: ################################################################### 1346: ################################################################### 1347: 1348: 1349: # ================================================================== Phase four 1350: sub drop_student_list { 1351: my $r=shift; 1352: my $count=0; 1353: my @droplist; 1354: if (ref($ENV{'form.droplist'})) { 1355: @droplist = @{$ENV{'form.droplist'}}; 1356: } else { 1357: @droplist = ($ENV{'form.droplist'}); 1358: } 1359: foreach (@droplist) { 1360: my ($uname,$udom)=split(/\:/,$_); 1361: my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'}); 1362: if ($result eq 'ok' || $result eq 'ok:') { 1363: $r->print('Dropped '.$uname.' at '.$udom.'<br>'); 1364: } else { 1365: $r->print('Error dropping '.$uname.' at '.$udom.': '.$result. 1366: '<br />'); 1367: } 1368: $count++; 1369: } 1370: $r->print('<p><b>Dropped '.$count.' student(s).</b>'); 1371: $r->print('<p>Re-enrollment will re-activate data.'); 1372: } 1373: 1374: ################################################################### 1375: ################################################################### 1376: 1377: =pod 1378: 1379: =item &handler 1380: 1381: The typical handler you see in all these modules. Takes $r, the 1382: http request, as an argument. 1383: 1384: The response to the request is governed by two form variables 1385: 1386: form.action form.state response 1387: --------------------------------------------------- 1388: undefined undefined print main menu 1389: upload undefined print courselist upload menu 1390: upload got_file deal with uploaded file, 1391: print the upload managing menu 1392: upload enrolling enroll students based on upload 1393: drop undefined print the classlist ready to drop 1394: drop done drop the selected students 1395: enrollstudent undefined print single student enroll menu 1396: enrollstudent enrolling enroll student 1397: classlist undefined print html classlist 1398: classlist csv print csv classlist 1399: modifystudent undefined print classlist to select student to modify 1400: modifystudent selected print modify student menu 1401: modifystudent done make modifications to student record 1402: 1403: =cut 1404: 1405: ################################################################### 1406: ################################################################### 1407: sub handler { 1408: my $r=shift; 1409: if ($r->header_only) { 1410: $r->content_type('text/html'); 1411: $r->send_http_header; 1412: return OK; 1413: } 1414: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 1415: ['action','state']); 1416: # Needs to be in a course 1417: if (! (($ENV{'request.course.fn'}) && 1418: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) { 1419: # Not in a course, or not allowed to modify parms 1420: $ENV{'user.error.msg'}= 1421: "/adm/dropadd:cst:0:0:Cannot drop or add students"; 1422: return HTTP_NOT_ACCEPTABLE; 1423: } 1424: # 1425: # Only output the header information if they did not request csv format 1426: # 1427: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) { 1428: $r->content_type('text/csv'); 1429: } else { 1430: # Start page 1431: $r->content_type('text/html'); 1432: $r->send_http_header; 1433: $r->print(&header()); 1434: } 1435: # 1436: # Main switch on form.action and form.state, as appropriate 1437: if (! exists($ENV{'form.action'})) { 1438: &print_main_menu($r); 1439: } elsif ($ENV{'form.action'} eq 'upload') { 1440: if (! exists($ENV{'form.state'})) { 1441: &print_first_courselist_upload_form($r); 1442: } elsif ($ENV{'form.state'} eq 'got_file') { 1443: &print_upload_manager_form($r); 1444: } elsif ($ENV{'form.state'} eq 'enrolling') { 1445: if ($ENV{'form.datatoken'}) { 1446: &upfile_drop_add($r); 1447: } else { 1448: # Hmmm, this is an error 1449: } 1450: } else { 1451: &print_first_courselist_upload_form($r); 1452: } 1453: } elsif ($ENV{'form.action'} eq 'drop') { 1454: if (! exists($ENV{'form.state'})) { 1455: &print_drop_menu($r); 1456: } elsif ($ENV{'form.state'} eq 'done') { 1457: &drop_student_list($r); 1458: } else { 1459: &menu_phase_two_drop($r); 1460: } 1461: } elsif ($ENV{'form.action'} eq 'enrollstudent') { 1462: if (! exists($ENV{'form.state'})) { 1463: &print_enroll_single_student_form($r); 1464: } elsif ($ENV{'form.state'} eq 'enrolling') { 1465: &enroll_single_student($r); 1466: } else { 1467: &print_enroll_single_student_form($r); 1468: } 1469: } elsif ($ENV{'form.action'} eq 'classlist') { 1470: if (! exists($ENV{'form.state'})) { 1471: &print_html_classlist($r); 1472: } elsif ($ENV{'form.state'} eq 'csv') { 1473: &print_csv_classlist($r); 1474: } else { 1475: &print_html_classlist($r); 1476: } 1477: } elsif ($ENV{'form.action'} eq 'modifystudent') { 1478: if (! exists($ENV{'form.state'})) { 1479: &print_html_classlist($r); 1480: } elsif ($ENV{'form.state'} eq 'selected') { 1481: &print_modify_student_form($r); 1482: } elsif ($ENV{'form.state'} eq 'done') { 1483: &modify_single_student($r); 1484: } else { 1485: &print_html_classlist($r); 1486: } 1487: } else { 1488: # We should not end up here, but I guess it is possible 1489: &Apache::lonnet::logthis("Undetermined state in londropadd.pm. ". 1490: "form.action = ".$ENV{'form.action'}. 1491: "Someone should fix this."); 1492: &print_main_menu($r); 1493: } 1494: # 1495: # Finish up 1496: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) { 1497: $r->print("\n"); 1498: } else { 1499: $r->print('</form></body></html>'); 1500: } 1501: return OK; 1502: } 1503: 1504: ################################################################### 1505: ################################################################### 1506: 1507: 1; 1508: __END__ 1509: 1510: