Annotation of loncom/interface/loncreatecourse.pm, revision 1.29

1.1       www         1: # The LearningOnline Network
                      2: # Create a course
1.5       albertel    3: #
1.29    ! www         4: # $Id: loncreatecourse.pm,v 1.28 2003/08/30 14:36:24 www Exp $
1.5       albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.1       www        28: # (My Desk
                     29: #
                     30: # (Internal Server Error Handler
                     31: #
                     32: # (Login Screen
                     33: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
                     34: # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
                     35: #
                     36: # 3/1/1 Gerd Kortemeyer)
                     37: #
                     38: # 3/1 Gerd Kortemeyer)
                     39: #
1.4       www        40: # 2/14,2/16,2/17,7/6 Gerd Kortemeyer
1.1       www        41: #
                     42: package Apache::loncreatecourse;
                     43: 
                     44: use strict;
                     45: use Apache::Constants qw(:common :http);
                     46: use Apache::lonnet;
1.12      www        47: use Apache::loncommon;
1.13      www        48: use Apache::lonratedt;
                     49: use Apache::londocs;
1.28      www        50: 
                     51: # -------------------------------------------- Return path to profile directory
                     52: 
                     53: sub propath {
                     54:     my ($udom,$uname)=@_;
                     55:     $udom=~s/\W//g;
                     56:     $uname=~s/\W//g;
                     57:     my $subdir=$uname.'__';
                     58:     $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
                     59:     my $proname="$Apache::lonnet::perlvar{'lonUsersDir'}/$udom/$subdir/$uname";
                     60:     return $proname;
                     61: } 
                     62: 
                     63: # ================================================ Get course directory listing
                     64: 
                     65: sub crsdirlist {
                     66:     my ($courseid,$which)=@_;
                     67:     unless ($which) { $which=''; }
                     68:     my %crsdata=&Apache::lonnet::coursedescription($courseid);
                     69:     my @listing=&Apache::lonnet::dirlist
                     70: 	($which,$crsdata{'domain'},$crsdata{'num'},
                     71: 	 &propath($crsdata{'domain'},$crsdata{'num'}));
                     72:     my @output=();
                     73:     foreach (@listing) {
                     74: 	unless ($_=~/^\./) {
                     75: 	    push (@output,(split(/\&/,$_))[0]);
                     76: 	}
                     77:     }
                     78:     return @output;
1.29    ! www        79: }
        !            80: 
        !            81: # ============================================================= Read a userfile
        !            82: 
        !            83: sub readfile {
        !            84:     my ($courseid,$which)=@_;
        !            85:     my %crsdata=&Apache::lonnet::coursedescription($courseid);
        !            86:     return &Apache::lonnet::getfile('/uploaded/'.$crsdata{'domain'}.'/'.
        !            87: 				    $crsdata{'num'}.'/'.$which);
        !            88: }
        !            89: 
        !            90: # ============================================================ Write a userfile
        !            91: 
        !            92: sub writefile {
        !            93:     my ($courseid,$which,$data)=@_;
        !            94:     my %crsdata=&Apache::lonnet::coursedescription($courseid);
        !            95:     $ENV{'form.output'}=$data;
        !            96:     return &Apache::lonnet::finishuserfileupload(
        !            97: 					  $crsdata{'num'},$crsdata{'domain'},
        !            98: 					  $crsdata{'home'},
        !            99: 					  'output',$which);
        !           100: }
        !           101: 
        !           102: # ============================================================= Copy a userfile
        !           103: 
        !           104: sub copyfile {
        !           105:     my ($origcrsid,$newcrsid,$which)=@_;
        !           106:     return &writefile($newcrsid,$which,&readfile($origcrsid,$which));
1.28      www       107: }
1.13      www       108: 
1.2       www       109: # ===================================================== Phase one: fill-in form
                    110: 
1.10      matthew   111: sub print_course_creation_page {
1.2       www       112:     my $r=shift;
1.10      matthew   113:     my $defdom=$ENV{'request.role.domain'};
                    114:     my %host_servers = &Apache::loncommon::get_library_servers($defdom);
                    115:     my $course_home = '<select name="course_home" size="1">'."\n";
                    116:     foreach my $server (sort(keys(%host_servers))) {
1.14      matthew   117:         $course_home .= qq{<option value="$server"};
                    118:         if ($server eq $Apache::lonnet::perlvar{'lonHostID'}) {
                    119:             $course_home .= " selected ";
                    120:         }
                    121:         $course_home .= qq{>$server $host_servers{$server}</option>};
1.10      matthew   122:     }
                    123:     $course_home .= "\n</select>\n";
1.9       matthew   124:     my $domform = &Apache::loncommon::select_dom_form($defdom,'ccdomain');
1.12      www       125:     my $bodytag=&Apache::loncommon::bodytag('Create a New Course');
1.17      www       126:     my $helplink=&Apache::loncommon::help_open_topic('Create_Course','Help on Creating Courses');
1.2       www       127:     $r->print(<<ENDDOCUMENT);
                    128: <html>
1.6       matthew   129: <script language="JavaScript" type="text/javascript">
                    130: var editbrowser = null;
                    131: function openbrowser(formname,elementname) {
                    132:     var url = '/res/?';
                    133:     if (editbrowser == null) {
                    134:         url += 'launch=1&';
                    135:     }
                    136:     url += 'catalogmode=interactive&';
                    137:     url += 'mode=edit&';
                    138:     url += 'form=' + formname + '&';
1.7       matthew   139:     url += 'element=' + elementname + '&';
                    140:     url += 'only=sequence' + '';
1.6       matthew   141:     var title = 'Browser';
                    142:     var options = 'scrollbars=1,resizable=1,menubar=0';
                    143:     options += ',width=700,height=600';
                    144:     editbrowser = open(url,title,options,'1');
                    145:     editbrowser.focus();
                    146: }
                    147: </script>
1.2       www       148: <head>
                    149: <title>The LearningOnline Network with CAPA</title>
                    150: </head>
1.12      www       151: $bodytag
1.17      www       152: $helplink
1.6       matthew   153: <form action="/adm/createcourse" method="post" name="ccrs">
1.10      matthew   154: <h2>Course Information</h2>
                    155: <p>
                    156: <b>Course Title:</b>
1.6       matthew   157: <input type="text" size="50" name="title">
1.10      matthew   158: </p><p>
1.13      www       159: <b>Course Home Server:</b>$course_home
                    160: </p><p>
                    161: <b>Course ID/Number (optional)</b>
                    162: <input type="text" size="30" name="crsid">
                    163: </p>
                    164: <h2>Course Content</h2>
                    165: <p>
1.11      www       166: <b>Map:</b>
1.6       matthew   167: <input type="text" size="50" name="topmap">
1.24      www       168: <a href="javascript:openbrowser('ccrs','topmap')">Select Map</a>
1.10      matthew   169: </p><p>
1.11      www       170: <b>Do NOT generate as standard course</b> 
                    171: (only check if you know what you are doing):
                    172: <input type="checkbox" name="nonstandard">
1.13      www       173: </p>
                    174: <p>
                    175: <b>First Resource</b> (standard courses only):
1.17      www       176: <input type="radio" name="firstres" value="blank">Blank
1.13      www       177: &nbsp;
1.17      www       178: <input type="radio" name="firstres" value="syl" checked>Syllabus
1.13      www       179: &nbsp;
                    180: <input type="radio" name="firstres" value="nav">Navigate
                    181: </p>
                    182: 
                    183: <h2>Assessment Parameters</h2>
                    184: <p>
1.11      www       185: <b>Open all assessments: </b>
                    186: <input type="checkbox" name="openall" checked>
1.13      www       187: </p>
                    188: <h2>Messaging</h2>
                    189: <p>
1.11      www       190: <b>Set course policy feedback to Course Coordinator: </b>
                    191: <input type="checkbox" name="setpolicy" checked>
                    192: </p><p>
                    193: <b>Set content feedback to Course Coordinator: </b>
                    194: <input type="checkbox" name="setcontent" checked>
                    195: </p>
1.16      www       196: <h2>Communication</h2>
                    197: <p>
                    198: <b>Disable student resource discussion: </b>
1.26      matthew   199: <input type="checkbox" name="disresdis" /> <br />
                    200: <b>Disable student use of chatrooms: </b>
                    201: <input type="checkbox" name="disablechat" />
1.16      www       202: </p>
1.18      www       203: <h2>Access Control</h2>
                    204: <p>
                    205: <b>Students need access key to enter course: </b>
                    206: <input type="checkbox" name="setkeys" />
                    207: </p>
1.10      matthew   208: <h2>Course Coordinator</h2>
                    209: <p>
1.11      www       210: <b>Username:</b> <input type="text" size="15" name="ccuname" />
                    211: </p><p>
                    212: <b>Domain:</b> $domform
1.10      matthew   213: </p><p>
1.11      www       214: <b>Immediately expire own role as Course Coordinator:</b>
                    215: <input type="checkbox" name="expireown" checked>
1.10      matthew   216: </p><p>
                    217: <input type="hidden" name="phase" value="two" />
1.6       matthew   218: <input type="submit" value="Open Course">
1.10      matthew   219: </p>
1.2       www       220: </form>
                    221: </body>
                    222: </html>
                    223: ENDDOCUMENT
                    224: }
                    225: 
                    226: # ====================================================== Phase two: make course
                    227: 
1.10      matthew   228: sub create_course {
1.2       www       229:     my $r=shift;
                    230:     my $topurl='/res/'.&Apache::lonnet::declutter($ENV{'form.topmap'});
                    231:     my $ccuname=$ENV{'form.ccuname'};
                    232:     my $ccdomain=$ENV{'form.ccdomain'};
                    233:     $ccuname=~s/\W//g;
                    234:     $ccdomain=~s/\W//g;
                    235:     my $cdescr=$ENV{'form.title'};
                    236:     my $curl=$ENV{'form.topmap'};
1.12      www       237:     my $bodytag=&Apache::loncommon::bodytag('Create a New Course');
1.2       www       238:     $r->print(<<ENDENHEAD);
                    239: <html>
                    240: <head>
                    241: <title>The LearningOnline Network with CAPA</title>
                    242: </head>
1.12      www       243: $bodytag
1.2       www       244: ENDENHEAD
1.10      matthew   245:     #
                    246:     # Verify data
                    247:     #
                    248:     # Check the veracity of the course coordinator
1.2       www       249:     if (&Apache::lonnet::homeserver($ccuname,$ccdomain) eq 'no_host') {
1.3       www       250:         $r->print('No such user '.$ccuname.' at '.$ccdomain.'</body></html>');
1.2       www       251: 	return;
                    252:     }
1.10      matthew   253:     # Check the proposed home server for the course
                    254:     my %host_servers = &Apache::loncommon::get_library_servers
                    255:         ($ENV{'request.role.domain'});
                    256:     if (! exists($host_servers{$ENV{'form.course_home'}})) {
                    257:         $r->print('Invalid home server for course: '.
                    258:                   $ENV{'form.course_home'}.'</body></html>');
                    259:         return;
                    260:     }
1.2       www       261: #
                    262: # Open course
                    263: #
1.10      matthew   264:     my $courseid=&Apache::lonnet::createcourse($ENV{'request.role.domain'},
                    265:                                                $cdescr,$curl,
1.11      www       266:                                                $ENV{'form.course_home'},
                    267:                                                $ENV{'form.nonstandard'});
1.2       www       268: 
1.27      bowersj2  269:     # Note: The testing routines depend on this being output; see 
                    270:     # Utils::Course. This needs to at least be output as a comment
                    271:     # if anyone ever decides to not show this, and Utils::Course::new
                    272:     # will need to be suitably modified.
1.4       www       273:     $r->print('New LON-CAPA Course ID: '.$courseid.'<br>');
                    274: #
1.12      www       275: # Check if created correctly
1.4       www       276: #
                    277:     my ($crsudom,$crsunum)=($courseid=~/^\/(\w+)\/(\w+)$/);
                    278:     my $crsuhome=&Apache::lonnet::homeserver($crsunum,$crsudom);
                    279:     $r->print('Created on: '.$crsuhome.'<br>');
1.12      www       280: #
                    281: # Set environment
                    282: #
                    283:     my %cenv=();
                    284:     my $envflag=0;
1.4       www       285:     if ($ENV{'form.crsid'}) {
1.12      www       286: 	$envflag=1;
                    287:         $cenv{'courseid'}=$ENV{'form.crsid'};
                    288:     }
                    289:     if (($ccdomain) && ($ccuname)) {
                    290:        if ($ENV{'form.setpolicy'}) {
                    291: 	   $envflag=1;
                    292:            $cenv{'policy.email'}=$ccuname.':'.$ccdomain;
                    293:        }
                    294:        if ($ENV{'form.setcontent'}) {
1.18      www       295:            $envflag=1;
                    296:            $cenv{'question.email'}=$ccuname.':'.$ccdomain;
                    297:        }
                    298:     }
                    299:     if ($ENV{'form.setkeys'}) {
                    300:        $envflag=1;
                    301:        $cenv{'keyaccess'}='yes';
1.16      www       302:     }
                    303:     if ($ENV{'form.disresdis'}) {
                    304: 	$envflag=1;
                    305:         $cenv{'pch.roles.denied'}='st';
1.26      matthew   306:     }
                    307:     if ($ENV{'form.disablechat'}) {
                    308: 	$envflag=1;
                    309:         $cenv{'plc.roles.denied'}='st';
1.21      albertel  310:     }
1.23      bowersj2  311: 
                    312:     # Record we've not yet viewed the Course Initialization Helper for this course
                    313:     $cenv{'course.helper.not.run'} = 1;
1.21      albertel  314:     #
                    315:     # Use new Randomseed
                    316:     #
1.22      albertel  317:     $envflag=1;
                    318:     $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
1.25      matthew   319:     #
                    320:     # By default, use standard grading
                    321:     $cenv{'grading'} = 'standard';
1.22      albertel  322: 
1.12      www       323:     if ($envflag) {
                    324:        $r->print('Setting environment: '.                 
                    325:           &Apache::lonnet::put('environment',\%cenv,$crsudom,$crsunum).'<br>');
                    326:    }
                    327: #
                    328: # Open all assignments
                    329: #
                    330:     if ($ENV{'form.openall'}) {
                    331:        my $storeunder=$crsudom.'_'.$crsunum.'.0.opendate';
                    332:        my %storecontent = ($storeunder        => time,
                    333:                            $storeunder.'type' => 'date_start');
                    334:        
                    335:        $r->print('Opening all assignments: '.&Apache::lonnet::cput
                    336:                  ('resourcedata',\%storecontent,$crsudom,$crsunum).'<br>');
                    337:    }
1.13      www       338: #
                    339: # Set first page
                    340: #
                    341:     unless (($ENV{'form.nonstandard'}) || ($ENV{'form.firstres'} eq 'blank')) {
                    342: 	$r->print('Setting first resource: ');
                    343:         my ($errtext,$fatal)=
                    344:            &Apache::londocs::mapread($crsunum,$crsudom,'default.sequence');
                    345:         $r->print(($fatal?$errtext:'read ok').' - ');
                    346:         my $title; my $url;
                    347:         if ($ENV{'form.firstres'} eq 'syl') {
                    348: 	    $title='Syllabus';
                    349:             $url='/public/'.$crsudom.'/'.$crsunum.'/syllabus';
                    350:         } else {
                    351:             $title='Navigate Contents';
                    352:             $url='/adm/navmaps';
                    353:         }
                    354:         $Apache::lonratedt::resources[1]=$title.':'.$url.':false:start:res';
1.15      albertel  355:         ($errtext,$fatal)=
1.13      www       356:            &Apache::londocs::storemap($crsunum,$crsudom,'default.sequence');
                    357:         $r->print(($fatal?$errtext:'write ok').'<br>');
                    358:   }
1.2       www       359: #
                    360: # Make current user course adminstrator
                    361: #
1.12      www       362:     my $end=undef;
                    363:     my $addition='';
                    364:     if ($ENV{'form.expireown'}) { $end=time+5; $addition='expired'; }
                    365:     $r->print('Assigning '.$addition.' role of course coordinator to self: '.
1.2       www       366:     &Apache::lonnet::assignrole(
1.12      www       367:      $ENV{'user.domain'},$ENV{'user.name'},$courseid,'cc',$end).'<br>');
1.2       www       368: #
                    369: # Make additional user course administrator
                    370: #
1.12      www       371:    if (($ccdomain) && ($ccuname)) {
1.2       www       372:     $r->print('Assigning role of course coordinator to '.
                    373:                $ccuname.' at '.$ccdomain.': '.
1.3       www       374:     &Apache::lonnet::assignrole($ccdomain,$ccuname,$courseid,'cc').'<p>');
1.12      www       375:    }
1.20      www       376:     if ($ENV{'form.setkeys'}) {
                    377: 	$r->print(
                    378:  '<p><a href="/adm/managekeys?cid='.$crsudom.'_'.$crsunum.'">Manage Access Keys</a></p>');
                    379:     }
                    380:     $r->print('<p>Roles will be active at next login.</p></body></html>');
1.2       www       381: }
                    382: 
                    383: # ===================================================================== Handler
1.1       www       384: sub handler {
                    385:     my $r = shift;
                    386: 
                    387:     if ($r->header_only) {
                    388:        $r->content_type('text/html');
                    389:        $r->send_http_header;
                    390:        return OK;
                    391:     }
                    392: 
1.10      matthew   393:     if (&Apache::lonnet::allowed('ccc',$ENV{'request.role.domain'})) {
1.1       www       394:        $r->content_type('text/html');
                    395:        $r->send_http_header;
                    396: 
1.2       www       397:        if ($ENV{'form.phase'} eq 'two') {
1.10      matthew   398:            &create_course($r);
1.2       www       399:        } else {
1.10      matthew   400: 	   &print_course_creation_page($r);
1.2       www       401:        }
1.1       www       402:    } else {
                    403:       $ENV{'user.error.msg'}=
                    404:         "/adm/createcourse:ccc:0:0:Cannot create courses";
                    405:       return HTTP_NOT_ACCEPTABLE; 
                    406:    }
                    407:    return OK;
                    408: } 
                    409: 
                    410: 1;
                    411: __END__

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