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Diff for /loncom/interface/loncreatecourse.pm between versions 1.4 and 1.38

version 1.4, 2001/07/06 14:17:48 version 1.38, 2003/09/21 21:40:06
Line 1 Line 1
 # The LearningOnline Network  # The LearningOnline Network
 # Create a course  # Create a course
   #
   # $Id$
   #
   # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
   #
 # (My Desk  # (My Desk
 #  #
 # (Internal Server Error Handler  # (Internal Server Error Handler
Line 19  package Apache::loncreatecourse; Line 44  package Apache::loncreatecourse;
 use strict;  use strict;
 use Apache::Constants qw(:common :http);  use Apache::Constants qw(:common :http);
 use Apache::lonnet;  use Apache::lonnet;
   use Apache::loncommon;
   use Apache::lonratedt;
   use Apache::londocs;
   use Apache::lonlocal;
   
   # -------------------------------------------- Return path to profile directory
   
   sub propath {
       my ($udom,$uname)=@_;
       $udom=~s/\W//g;
       $uname=~s/\W//g;
       my $subdir=$uname.'__';
       $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
       my $proname="$Apache::lonnet::perlvar{'lonUsersDir'}/$udom/$subdir/$uname";
       return $proname;
   } 
   
   # ================================================ Get course directory listing
   
   sub crsdirlist {
       my ($courseid,$which)=@_;
       unless ($which) { $which=''; }
       my %crsdata=&Apache::lonnet::coursedescription($courseid);
       my @listing=&Apache::lonnet::dirlist
    ($which,$crsdata{'domain'},$crsdata{'num'},
    &propath($crsdata{'domain'},$crsdata{'num'}));
       my @output=();
       foreach (@listing) {
    unless ($_=~/^\./) {
       push (@output,(split(/\&/,$_))[0]);
    }
       }
       return @output;
   }
   
   # ============================================================= Read a userfile
   
   sub readfile {
       my ($courseid,$which)=@_;
       my %crsdata=&Apache::lonnet::coursedescription($courseid);
       return &Apache::lonnet::getfile('/uploaded/'.$crsdata{'domain'}.'/'.
       $crsdata{'num'}.'/'.$which);
   }
   
   # ============================================================ Write a userfile
   
   sub writefile {
       (my $courseid, my $which,$ENV{'form.output'})=@_;
       my %crsdata=&Apache::lonnet::coursedescription($courseid);
       return &Apache::lonnet::finishuserfileupload(
     $crsdata{'num'},$crsdata{'domain'},
     $crsdata{'home'},
     'output',$which);
   }
   
   # ===================================================================== Rewrite
   
   sub rewritefile {
       my ($contents,%rewritehash)=@_;
       foreach (keys %rewritehash) {
    my $pattern=$_;
    $pattern=~s/(\W)/\\$1/gs;
    my $new=$rewritehash{$_};
    $contents=~s/$pattern/$new/gs;
       }
       return $contents;
   }
   
   # ============================================================= Copy a userfile
   
   sub copyfile {
       my ($origcrsid,$newcrsid,$which)=@_;
       unless ($which=~/\.sequence$/) {
    return &writefile($newcrsid,$which,
         &readfile($origcrsid,$which));
       } else {
    my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
    my %newcrsdata= &Apache::lonnet::coursedescription($newcrsid);
    return &writefile($newcrsid,$which,
    &rewritefile(
                        &readfile($origcrsid,$which),
       (
          '/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'
       => '/uploaded/'. $newcrsdata{'domain'}.'/'. $newcrsdata{'num'}.'/'
               )));
       }
   }
   
   # =============================================================== Copy a dbfile
   
   sub copydb {
       my ($origcrsid,$newcrsid,$which)=@_;
       $which=~s/\.db$//;
       my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
       my %newcrsdata= &Apache::lonnet::coursedescription($newcrsid);
       my %data=&Apache::lonnet::dump
    ($which,$origcrsdata{'domain'},$origcrsdata{'num'});
       return &Apache::lonnet::put
    ($which,\%data,$newcrsdata{'domain'},$newcrsdata{'num'});
   }
   
   # ========================================================== Copy resourcesdata
   
   sub copyresourcedb {
       my ($origcrsid,$newcrsid)=@_;
       my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
       my %newcrsdata= &Apache::lonnet::coursedescription($newcrsid);
       my %data=&Apache::lonnet::dump
    ('resourcedata',$origcrsdata{'domain'},$origcrsdata{'num'});
       $origcrsid=~s/^\///;
       $origcrsid=~s/\//\_/;
       $newcrsid=~s/^\///;
       $newcrsid=~s/\//\_/;
       my %newdata=();
       undef %newdata;
       my $startdate=$data{$origcrsid.'.0.opendate'};
       my $today=time;
       my $delta=0;
       if ($startdate) {
    my $oneday=60*60*24;
    $delta=$today-$startdate;
    $delta=int($delta/$oneday)*$oneday;
       }
   # ugly retro fix for broken version of types
       foreach (keys %data) {
    if ($_=~/\wtype$/) {
       my $newkey=$_;
       $newkey=~s/type$/\.type/;
       $data{$newkey}=$data{$_};
       delete $data{$_};
    }
       }
   # adjust symbs
       my $pattern='uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/';
       $pattern=~s/(\W)/\\$1/gs;
       my $new=    'uploaded/'. $newcrsdata{'domain'}.'/'. $newcrsdata{'num'}.'/';
       foreach (keys %data) {
    if ($_=~/$pattern/) {
       my $newkey=$_;
       $newkey=~s/$pattern/$new/;
       $data{$newkey}=$data{$_};
       delete $data{$_};
    }
       }
   # adjust dates
       foreach (keys %data) {
    my $thiskey=$_;
    $thiskey=~s/^$origcrsid/$newcrsid/;
    $newdata{$thiskey}=$data{$_};
    if ($data{$_.'.type'}=~/^date/) {
       $newdata{$thiskey}=$newdata{$thiskey}+$delta;
    }
       }
       return &Apache::lonnet::put
    ('resourcedata',\%newdata,$newcrsdata{'domain'},$newcrsdata{'num'});
   }
   
   # ========================================================== Copy all userfiles
   
   sub copyuserfiles {
       my ($origcrsid,$newcrsid)=@_;
       foreach (&crsdirlist($origcrsid,'userfiles')) {
    &copyfile($origcrsid,$newcrsid,$_);
       }
   }
   # ========================================================== Copy all userfiles
   
   sub copydbfiles {
       my ($origcrsid,$newcrsid)=@_;
       foreach (&crsdirlist($origcrsid)) {
    if ($_=~/\.db$/) {
       unless 
                ($_=~/^(nohist\_|discussiontimes|classlist|versionupdate|resourcedata)/) {
    &copydb($origcrsid,$newcrsid,$_);
        }
    }
       }
   }
   
   # ======================================================= Copy all course files
   
   sub copycoursefiles {
       my ($origcrsid,$newcrsid)=@_;
       &copyuserfiles($origcrsid,$newcrsid);
       &copydbfiles($origcrsid,$newcrsid);
       &copyresourcedb($origcrsid,$newcrsid);
   }
   
 # ===================================================== Phase one: fill-in form  # ===================================================== Phase one: fill-in form
   
 sub phase_one {  sub print_course_creation_page {
     my $r=shift;      my $r=shift;
       my $defdom=$ENV{'request.role.domain'};
     my $defdom=$ENV{'user.domain'};      my %host_servers = &Apache::loncommon::get_library_servers($defdom);
       my $course_home = '<select name="course_home" size="1">'."\n";
       foreach my $server (sort(keys(%host_servers))) {
           $course_home .= qq{<option value="$server"};
           if ($server eq $Apache::lonnet::perlvar{'lonHostID'}) {
               $course_home .= " selected ";
           }
           $course_home .= qq{>$server $host_servers{$server}</option>};
       }
       $course_home .= "\n</select>\n";
       my $domform = &Apache::loncommon::select_dom_form($defdom,'ccdomain');
       my $bodytag=&Apache::loncommon::bodytag('Create a New Course');
       my $helplink=&Apache::loncommon::help_open_topic('Create_Course','Help on Creating Courses');
       my $cloneform=&Apache::loncommon::select_dom_form
    ($ENV{'request.role.domain'},'clonedomain').
        &Apache::loncommon::selectcourse_link
        ('ccrs','clonecourse','clonedomain');
       my $coursebrowserjs=&Apache::loncommon::coursebrowser_javascript();
     $r->print(<<ENDDOCUMENT);      $r->print(<<ENDDOCUMENT);
 <html>  <html>
   <script language="JavaScript" type="text/javascript">
   var editbrowser = null;
   function openbrowser(formname,elementname) {
       var url = '/res/?';
       if (editbrowser == null) {
           url += 'launch=1&';
       }
       url += 'catalogmode=interactive&';
       url += 'mode=edit&';
       url += 'form=' + formname + '&';
       url += 'element=' + elementname + '&';
       url += 'only=sequence' + '';
       var title = 'Browser';
       var options = 'scrollbars=1,resizable=1,menubar=0';
       options += ',width=700,height=600';
       editbrowser = open(url,title,options,'1');
       editbrowser.focus();
   }
   </script>
   $coursebrowserjs
 <head>  <head>
 <title>The LearningOnline Network with CAPA</title>  <title>The LearningOnline Network with CAPA</title>
 </head>  </head>
 <body bgcolor="#FFFFFF">  $bodytag
 <img align=right src=/adm/lonIcons/lonlogos.gif>  $helplink
 <h1>Create a new Course</h1>  <form action="/adm/createcourse" method="post" name="ccrs">
 <form action=/adm/createcourse method=post>  <h2>Course Information</h2>
 <h3>Course Title</h3>  <p>
 <input type=text size=50 name=title>  <b>Course Title:</b>
 <h3>Top-level Map</h3>  <input type="text" size="50" name="title">
 <input type=text size=50 name=topmap>  </p><p>
 <h3>Course ID/Number (optional)</h3>  <b>Course Home Server:</b>$course_home
 <input type=text size=30 name=crsid>  </p><p>
 <h3>Course Cooordinator</h3>  <b>Course ID/Number (optional)</b>
 Username: <input type=text size=15 name=ccuname><br>  <input type="text" size="30" name="crsid">
 Domain: <input type=text size=15 name=ccdomain value=$defdom>  </p>
 <input type=hidden name=phase value=two><p>  <h2>Course Content</h2>
 <input type=submit value="Open Course">  <table border="2">
   <tr><th>Completely new course</th><th>Clone an existing course</th></tr>
   <tr><td>
   <p>
   <b>Map:</b>
   <input type="text" size="50" name="topmap">
   <a href="javascript:openbrowser('ccrs','topmap')">Select Map</a>
   </p><p>
   <b>Do NOT generate as standard course</b><br /> 
   (only check if you know what you are doing):
   <input type="checkbox" name="nonstandard">
   </p>
   <p>
   <b>First Resource</b><br />(standard courses only):
   <input type="radio" name="firstres" value="blank">Blank
   &nbsp;
   <input type="radio" name="firstres" value="syl" checked>Syllabus
   &nbsp;
   <input type="radio" name="firstres" value="nav">Navigate
   </p>
   </td><td>
   Course ID: <input input type="text" size="25" name="clonecourse" value="" />
   <br />
   Domain: 
   $cloneform<br />&nbsp;<br />
   Additional settings, if specified below, will override cloned settings.
   </td></tr>
   </table>
   <h2>Assessment Parameters</h2>
   <p>
   <b>Open all assessments: </b>
   <input type="checkbox" name="openall" checked>
   </p>
   <h2>Messaging</h2>
   <p>
   <b>Set course policy feedback to Course Coordinator: </b>
   <input type="checkbox" name="setpolicy" checked>
   </p><p>
   <b>Set content feedback to Course Coordinator: </b>
   <input type="checkbox" name="setcontent" checked>
   </p>
   <h2>Communication</h2>
   <p>
   <b>Disable student resource discussion: </b>
   <input type="checkbox" name="disresdis" /> <br />
   <b>Disable student use of chatrooms: </b>
   <input type="checkbox" name="disablechat" />
   </p>
   <h2>Access Control</h2>
   <p>
   <b>Students need access key to enter course: </b>
   <input type="checkbox" name="setkeys" />
   </p>
   <h2>Course Coordinator</h2>
   <p>
   <b>Username:</b> <input type="text" size="15" name="ccuname" />
   </p><p>
   <b>Domain:</b> $domform
   </p><p>
   <b>Immediately expire own role as Course Coordinator:</b>
   <input type="checkbox" name="expireown" checked>
   </p><p>
   <input type="hidden" name="phase" value="two" />
   <input type="submit" value="Open Course">
   </p>
 </form>  </form>
 </body>  </body>
 </html>  </html>
Line 54  ENDDOCUMENT Line 367  ENDDOCUMENT
   
 # ====================================================== Phase two: make course  # ====================================================== Phase two: make course
   
 sub phase_two {  sub create_course {
     my $r=shift;      my $r=shift;
     my $topurl='/res/'.&Apache::lonnet::declutter($ENV{'form.topmap'});      my $topurl='/res/'.&Apache::lonnet::declutter($ENV{'form.topmap'});
     my $ccuname=$ENV{'form.ccuname'};      my $ccuname=$ENV{'form.ccuname'};
Line 63  sub phase_two { Line 376  sub phase_two {
     $ccdomain=~s/\W//g;      $ccdomain=~s/\W//g;
     my $cdescr=$ENV{'form.title'};      my $cdescr=$ENV{'form.title'};
     my $curl=$ENV{'form.topmap'};      my $curl=$ENV{'form.topmap'};
       my $bodytag=&Apache::loncommon::bodytag('Create a New Course');
     $r->print(<<ENDENHEAD);      $r->print(<<ENDENHEAD);
 <html>  <html>
 <head>  <head>
 <title>The LearningOnline Network with CAPA</title>  <title>The LearningOnline Network with CAPA</title>
 </head>  </head>
 <body bgcolor="#FFFFFF">  $bodytag
 <img align=right src=/adm/lonIcons/lonlogos.gif>  
 <h1>Create a new Course</h1>  
 ENDENHEAD  ENDENHEAD
 #      #
 # Verify data      # Verify data
 #      #
       # Check the veracity of the course coordinator
     if (&Apache::lonnet::homeserver($ccuname,$ccdomain) eq 'no_host') {      if (&Apache::lonnet::homeserver($ccuname,$ccdomain) eq 'no_host') {
         $r->print('No such user '.$ccuname.' at '.$ccdomain.'</body></html>');          $r->print('No such user '.$ccuname.' at '.$ccdomain.'</body></html>');
  return;   return;
     }      }
       # Check the proposed home server for the course
       my %host_servers = &Apache::loncommon::get_library_servers
           ($ENV{'request.role.domain'});
       if (! exists($host_servers{$ENV{'form.course_home'}})) {
           $r->print('Invalid home server for course: '.
                     $ENV{'form.course_home'}.'</body></html>');
           return;
       }
 #  #
 # Open course  # Open course
 #  #
     my $courseid=&Apache::lonnet::createcourse($ENV{'user.domain'},      my %cenv=();
                                                $cdescr,$curl);      my $courseid=&Apache::lonnet::createcourse($ENV{'request.role.domain'},
                                                  $cdescr,$curl,
                                                  $ENV{'form.course_home'},
                                                  $ENV{'form.nonstandard'});
   
       # Note: The testing routines depend on this being output; see 
       # Utils::Course. This needs to at least be output as a comment
       # if anyone ever decides to not show this, and Utils::Course::new
       # will need to be suitably modified.
     $r->print('New LON-CAPA Course ID: '.$courseid.'<br>');      $r->print('New LON-CAPA Course ID: '.$courseid.'<br>');
 #  #
 # Set optional courseid  # Check if created correctly
 #  #
     my ($crsudom,$crsunum)=($courseid=~/^\/(\w+)\/(\w+)$/);      my ($crsudom,$crsunum)=($courseid=~/^\/(\w+)\/(\w+)$/);
     my $crsuhome=&Apache::lonnet::homeserver($crsunum,$crsudom);      my $crsuhome=&Apache::lonnet::homeserver($crsunum,$crsudom);
     $r->print('Created on: '.$crsuhome.'<br>');      $r->print('Created on: '.$crsuhome.'<br>');
   #
   # Are we cloning?
   #
       my $cloneid='';
       if (($ENV{'form.clonecourse'}) && ($ENV{'form.clonedomain'})) {
    $cloneid='/'.$ENV{'form.clonedomain'}.'/'.$ENV{'form.clonecourse'};
           my ($clonecrsudom,$clonecrsunum)=($cloneid=~/^\/(\w+)\/(\w+)$/);
    my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
    if ($clonehome eq 'no_host') {
       $r->print(
       '<br /><font color="red">Attempting to clone non-existing course '.$cloneid.'</font>');
    } else {
       $r->print(
       '<br /><font color="green">Cloning course from '.$clonehome.'</font>');
       my %oldcenv=&Apache::lonnet::dump('environment',$crsudom,$crsunum);
   # Copy all files
       &copycoursefiles($cloneid,$courseid);
   # Restore URL
       $cenv{'url'}=$oldcenv{'url'};
   # Restore title
       $cenv{'description'}=$oldcenv{'description'};
   # Mark as cloned
       $cenv{'clonedfrom'}=$cloneid;
    }
       }
   #
   # Set environment (will override cloned, if existing)
   #
     if ($ENV{'form.crsid'}) {      if ($ENV{'form.crsid'}) {
        $r->print('Setting optional Course ID/Number: '.                           $cenv{'courseid'}=$ENV{'form.crsid'};
            &Apache::lonnet::reply('put:'.$crsudom.':'.  
                                   $crsunum.':environment:courseid='.  
                                   &Apache::lonnet::escape($ENV{'form.crsid'}),  
                                   $crsuhome).'<br>');  
     }      }
       if (($ccdomain) && ($ccuname)) {
          if ($ENV{'form.setpolicy'}) {
              $cenv{'policy.email'}=$ccuname.':'.$ccdomain;
          }
          if ($ENV{'form.setcontent'}) {
              $cenv{'question.email'}=$ccuname.':'.$ccdomain;
          }
       }
       if ($ENV{'form.setkeys'}) {
          $cenv{'keyaccess'}='yes';
       }
       if ($ENV{'form.disresdis'}) {
           $cenv{'pch.roles.denied'}='st';
       }
       if ($ENV{'form.disablechat'}) {
           $cenv{'plc.roles.denied'}='st';
       }
   
       # Record we've not yet viewed the Course Initialization Helper for this 
       # course
       $cenv{'course.helper.not.run'} = 1;
       #
       # Use new Randomseed
       #
       $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
       #
       # By default, use standard grading
       $cenv{'grading'} = 'standard';
   
       $r->print('<br />Setting environment: '.                 
             &Apache::lonnet::put('environment',\%cenv,$crsudom,$crsunum).'<br>');
   #
   # Open all assignments
   #
       if ($ENV{'form.openall'}) {
          my $storeunder=$crsudom.'_'.$crsunum.'.0.opendate';
          my %storecontent = ($storeunder         => time,
                              $storeunder.'.type' => 'date_start');
          
          $r->print('Opening all assignments: '.&Apache::lonnet::cput
                    ('resourcedata',\%storecontent,$crsudom,$crsunum).'<br>');
      }
   #
   # Set first page
   #
       unless (($ENV{'form.nonstandard'}) || ($ENV{'form.firstres'} eq 'blank')) {
    $r->print('Setting first resource: ');
           my ($errtext,$fatal)=
              &Apache::londocs::mapread($crsunum,$crsudom,'default.sequence');
           $r->print(($fatal?$errtext:'read ok').' - ');
           my $title; my $url;
           if ($ENV{'form.firstres'} eq 'syl') {
       $title='Syllabus';
               $url='/public/'.$crsudom.'/'.$crsunum.'/syllabus';
           } else {
               $title='Navigate Contents';
               $url='/adm/navmaps';
           }
           $Apache::lonratedt::resources[1]=$title.':'.$url.':false:start:res';
           ($errtext,$fatal)=
              &Apache::londocs::storemap($crsunum,$crsudom,'default.sequence');
           $r->print(($fatal?$errtext:'write ok').'<br>');
     }
 #  #
 # Make current user course adminstrator  # Make current user course adminstrator
 #  #
     $r->print('Assigning role of course coordinator to self: '.      my $end=undef;
       my $addition='';
       if ($ENV{'form.expireown'}) { $end=time+5; $addition='expired'; }
       $r->print('Assigning '.$addition.' role of course coordinator to self: '.
     &Apache::lonnet::assignrole(      &Apache::lonnet::assignrole(
      $ENV{'user.domain'},$ENV{'user.name'},$courseid,'cc').'<br>');       $ENV{'user.domain'},$ENV{'user.name'},$courseid,'cc',$end).'<br>');
 #  #
 # Make additional user course administrator  # Make additional user course administrator
 #  #
      if (($ccdomain) && ($ccuname)) {
     $r->print('Assigning role of course coordinator to '.      $r->print('Assigning role of course coordinator to '.
                $ccuname.' at '.$ccdomain.': '.                 $ccuname.' at '.$ccdomain.': '.
     &Apache::lonnet::assignrole($ccdomain,$ccuname,$courseid,'cc').'<p>');      &Apache::lonnet::assignrole($ccdomain,$ccuname,$courseid,'cc').'<p>');
     $r->print('Roles will be active at next login.</body></html>');     }
       if ($ENV{'form.setkeys'}) {
    $r->print(
    '<p><a href="/adm/managekeys?cid='.$crsudom.'_'.$crsunum.'">Manage Access Keys</a></p>');
       }
       $r->print('<p>Roles will be active at next login.</p></body></html>');
 }  }
   
 # ===================================================================== Handler  # ===================================================================== Handler
Line 120  sub handler { Line 543  sub handler {
     my $r = shift;      my $r = shift;
   
     if ($r->header_only) {      if ($r->header_only) {
        $r->content_type('text/html');         &Apache::loncommon::content_type($r,'text/html');
        $r->send_http_header;         $r->send_http_header;
        return OK;         return OK;
     }      }
   
     if (&Apache::lonnet::allowed('ccc',$ENV{'user.domain'})) {      if (&Apache::lonnet::allowed('ccc',$ENV{'request.role.domain'})) {
        $r->content_type('text/html');         &Apache::loncommon::content_type($r,'text/html');
        $r->send_http_header;         $r->send_http_header;
   
        if ($ENV{'form.phase'} eq 'two') {         if ($ENV{'form.phase'} eq 'two') {
            &phase_two($r);             &create_course($r);
        } else {         } else {
    &phase_one($r);     &print_course_creation_page($r);
        }         }
    } else {     } else {
       $ENV{'user.error.msg'}=        $ENV{'user.error.msg'}=
Removed from v.1.4  
changed lines
  Added in v.1.38

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