--- loncom/interface/loncreatecourse.pm	2003/06/16 13:51:46	1.24
+++ loncom/interface/loncreatecourse.pm	2003/09/02 18:00:14	1.31
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Create a course
 #
-# $Id: loncreatecourse.pm,v 1.24 2003/06/16 13:51:46 www Exp $
+# $Id: loncreatecourse.pm,v 1.31 2003/09/02 18:00:14 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -48,6 +48,106 @@ use Apache::loncommon;
 use Apache::lonratedt;
 use Apache::londocs;
 
+# -------------------------------------------- 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);
+}
+
+# ============================================================= Copy a userfile
+
+sub copyfile {
+    my ($origcrsid,$newcrsid,$which)=@_;
+    return &writefile($newcrsid,$which,&readfile($origcrsid,$which));
+}
+
+# =============================================================== Copy a dbfile
+
+sub copydb {
+    my ($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 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)/) {
+		 &copydb($origcrsid,$newcrsid,$_);
+	     }
+	}
+    }
+}
+
+# ======================================================= Copy all course files
+
+sub copycoursefiles {
+    my ($origcrsid,$newcrsid)=@_;
+    &copyuserfiles($origcrsid,$newcrsid);
+    &copydbfiles($origcrsid,$newcrsid);
+}
+
 # ===================================================== Phase one: fill-in form
 
 sub print_course_creation_page {
@@ -138,7 +238,9 @@ $helplink
 <h2>Communication</h2>
 <p>
 <b>Disable student resource discussion: </b>
-<input type="checkbox" name="disresdis" />
+<input type="checkbox" name="disresdis" /> <br />
+<b>Disable student use of chatrooms: </b>
+<input type="checkbox" name="disablechat" />
 </p>
 <h2>Access Control</h2>
 <p>
@@ -206,6 +308,10 @@ ENDENHEAD
                                                $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>');
 #
 # Check if created correctly
@@ -240,6 +346,10 @@ ENDENHEAD
 	$envflag=1;
         $cenv{'pch.roles.denied'}='st';
     }
+    if ($ENV{'form.disablechat'}) {
+	$envflag=1;
+        $cenv{'plc.roles.denied'}='st';
+    }
 
     # Record we've not yet viewed the Course Initialization Helper for this course
     $cenv{'course.helper.not.run'} = 1;
@@ -248,6 +358,9 @@ ENDENHEAD
     #
     $envflag=1;
     $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
+    #
+    # By default, use standard grading
+    $cenv{'grading'} = 'standard';
 
     if ($envflag) {
        $r->print('Setting environment: '.