--- loncom/lonnet/perl/lonnet.pm	2009/08/06 04:54:23	1.1009
+++ loncom/lonnet/perl/lonnet.pm	2009/08/11 01:39:44	1.1013
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.1009 2009/08/06 04:54:23 raeburn Exp $
+# $Id: lonnet.pm,v 1.1013 2009/08/11 01:39:44 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -958,6 +958,43 @@ sub idput {
     }
 }
 
+# ------------------------------------------------ dump from domain db files
+
+sub dump_dom {
+    my ($namespace,$udom,$uhome,$regexp,$range)=@_;
+    if (!$udom) {
+        $udom=$env{'user.domain'};
+        if (defined(&domain($udom,'primary'))) {
+            $uhome=&domain($udom,'primary');
+        } else {
+            undef($uhome);
+        }
+    } else {
+        if (!$uhome) {
+            if (defined(&domain($udom,'primary'))) {
+                $uhome=&domain($udom,'primary');
+            }
+        }
+    }
+    my %returnhash;
+    if ($udom && $uhome && ($uhome ne 'no_host')) {
+        if ($regexp) {
+            $regexp=&escape($regexp);
+        } else {
+            $regexp='.';
+        }
+        my $rep=&reply("dumpdom:$udom:$namespace:$regexp:$range",$uhome);
+        my @pairs=split(/\&/,$rep);
+        foreach my $item (@pairs) {
+            my ($key,$value)=split(/=/,$item,2);
+            $key = &unescape($key);
+            next if ($key =~ /^error: 2 /);
+            $returnhash{$key}=&thaw_unescape($value);
+        }
+    }
+    return %returnhash;
+}
+
 # ------------------------------------------- get items from domain db files   
 
 sub get_dom {
@@ -1032,6 +1069,70 @@ sub put_dom {
     }
 }
 
+# -------------------------------------- newput for items in domain db files
+
+sub newput_dom {
+    my ($namespace,$storehash,$udom,$uhome) = @_;
+    my $result;
+    if (!$udom) {
+        $udom=$env{'user.domain'};
+        if (defined(&domain($udom,'primary'))) {
+            $uhome=&domain($udom,'primary');
+        } else {
+            undef($uhome);
+        }
+    } else {
+        if (!$uhome) {
+            if (defined(&domain($udom,'primary'))) {
+                $uhome=&domain($udom,'primary');
+            }
+        }
+    }
+    if ($udom && $uhome && ($uhome ne 'no_host')) {
+        my $items='';
+        if (ref($storehash) eq 'HASH') {
+            foreach my $key (keys(%$storehash)) {
+                $items.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
+            }
+            $items=~s/\&$//;
+            $result = &reply("newputdom:$udom:$namespace:$items",$uhome);
+        }
+    } else {
+        &logthis("put_dom failed - no homeserver and/or domain");
+    }
+    return $result;
+}
+
+sub del_dom {
+    my ($namespace,$storearr,$udom,$uhome)=@_;
+    if (ref($storearr) eq 'ARRAY') {
+        my $items='';
+        foreach my $item (@$storearr) {
+            $items.=&escape($item).'&';
+        }
+        $items=~s/\&$//;
+        if (!$udom) {
+            $udom=$env{'user.domain'};
+            if (defined(&domain($udom,'primary'))) {
+                $uhome=&domain($udom,'primary');
+            } else {
+                undef($uhome);
+            }
+        } else {
+            if (!$uhome) {
+                if (defined(&domain($udom,'primary'))) {
+                    $uhome=&domain($udom,'primary');
+                }
+            }
+        }
+        if ($udom && $uhome && ($uhome ne 'no_host')) {
+            return &reply("deldom:$udom:$namespace:$items",$uhome);
+        } else {
+            &logthis("del_dom failed - no homeserver and/or domain");
+        }
+    }
+}
+
 sub retrieve_inst_usertypes {
     my ($udom) = @_;
     my (%returnhash,@order);
@@ -5771,6 +5872,17 @@ sub auto_possible_instcodes {
     return $response;
 }
 
+sub auto_courserequest_checks {
+    my ($dom) = @_;
+    my %validations;
+    return %validations; 
+}
+
+sub auto_courserequest_validation {
+    my ($dom,$details,$inststatuses,$message) = @_;
+    return 'pending';
+}
+
 sub auto_validate_class_sec {
     my ($cdom,$cnum,$owners,$inst_class) = @_;
     my $homeserver = &homeserver($cnum,$cdom);
@@ -6314,28 +6426,26 @@ sub writecoursepref {
 
 sub createcourse {
     my ($udom,$description,$url,$course_server,$nonstandard,$inst_code,
-        $course_owner,$crstype)=@_;
+        $course_owner,$crstype,$cnum)=@_;
     $url=&declutter($url);
     my $cid='';
     unless (&allowed('ccc',$udom)) {
         return 'refused';
     }
-# ------------------------------------------------------------------- Create ID
-   my $uname=int(1+rand(9)).
-       ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
-       substr($$.time,0,5).unpack("H8",pack("I32",time)).
-       unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
-# ----------------------------------------------- Make sure that does not exist
-   my $uhome=&homeserver($uname,$udom,'true');
-   unless (($uhome eq '') || ($uhome eq 'no_host')) {
-       $uname=substr($$.time,0,5).unpack("H8",pack("I32",time)).
-        unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
-       $uhome=&homeserver($uname,$udom,'true');       
-       unless (($uhome eq '') || ($uhome eq 'no_host')) {
-           return 'error: unable to generate unique course-ID';
-       } 
-   }
-# ------------------------------------------------ Check supplied server name
+# --------------------------------------------------------------- Get Unique ID
+    my $uname;
+    if ($cnum =~ /^$match_courseid$/) {
+        my $chome=&homeserver($cnum,$udom,'true');
+        if (($chome eq '') || ($chome eq 'no_host')) {
+            $uname = $cnum;
+        } else {
+            $uname = &generate_coursenum($udom);
+        }
+    } else {
+        $uname = &generate_coursenum($udom);
+    }
+    return $uname if ($uname =~ /^error/);
+# -------------------------------------------------- Check supplied server name
     $course_server = $env{'user.homeserver'} if (! defined($course_server));
     if (! &is_library($course_server)) {
         return 'error:bad server name '.$course_server;
@@ -6344,7 +6454,7 @@ sub createcourse {
     my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::',
                       $course_server);
     unless ($reply eq 'ok') { return 'error: '.$reply; }
-    $uhome=&homeserver($uname,$udom,'true');
+    my $uhome=&homeserver($uname,$udom,'true');
     if (($uhome eq '') || ($uhome eq 'no_host')) { 
 	return 'error: no such course';
     }
@@ -6385,6 +6495,30 @@ ENDINITMAP
     return '/'.$udom.'/'.$uname;
 }
 
+# ------------------------------------------------------------------- Create ID
+sub generate_coursenum {
+    my ($udom) = @_;
+    my $domdesc = &domain($udom);
+    return 'error: invalid domain' if ($domdesc eq '');
+    my $uname=int(1+rand(9)).
+        ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
+        substr($$.time,0,5).unpack("H8",pack("I32",time)).
+        unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
+# ----------------------------------------------- Make sure that does not exist
+    my $uhome=&homeserver($uname,$udom,'true');
+    unless (($uhome eq '') || ($uhome eq 'no_host')) {
+        $uname=int(1+rand(9)).
+               ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
+               substr($$.time,0,5).unpack("H8",pack("I32",time)).
+               unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
+        $uhome=&homeserver($uname,$udom,'true');
+        unless (($uhome eq '') || ($uhome eq 'no_host')) {
+            return 'error: unable to generate unique course-ID';
+        }
+    }
+    return $uname;
+}
+
 sub is_course {
     my ($cdom,$cnum) = @_;
     my %courses = &courseiddump($cdom,'.',1,'.','.',$cnum,undef,
@@ -6395,6 +6529,36 @@ sub is_course {
     return 0;
 }
 
+sub store_coursereq {
+    my ($requestkey,$storehash) = @_;
+    my $result;
+    if ($requestkey =~ /^($match_domain)_($match_courseid)$/) {
+        if (ref($storehash) eq 'HASH') {
+            my $namespace = 'courserequests';
+            my $uhome=&homeserver();
+            if (($uhome eq '') || ($uhome eq 'no_host')) {
+                $result = 'error: no_host';
+            } else {
+                $storehash->{'ip'} = $ENV{'REMOTE_ADDR'};
+                $storehash->{'host'} = $perlvar{'lonHostID'};
+
+                my $namevalue='';
+                foreach my $key (keys(%{$storehash})) {
+                    $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
+                }
+                $namevalue=~s/\&$//;
+                $result =  &reply("store:$env{'user.domain'}:$env{'user.name'}:".
+                                  "$namespace:$requestkey:$namevalue",$uhome);
+            }
+        } else {
+            $result = 'error: data to store was not a hash reference'; 
+        }
+    } else {
+        $result= 'error: invalid requestkey'; 
+    }
+    return $result;
+}
+
 # ---------------------------------------------------------- Assign Custom Role
 
 sub assigncustomrole {
@@ -9907,7 +10071,11 @@ database) for a course
 
 =item *
 
-createcourse($udom,$description,$url) : make/modify course
+createcourse($udom,$description,$url,$course_server,$nonstandard,$inst_code,$course_owner,$crstype,$cnum) : make course
+
+=item *
+
+generate_coursenum($udom) : get a unique (unused) course number in domain $udom
 
 =back