--- loncom/interface/portfolio.pm	2004/08/25 17:30:49	1.32
+++ loncom/interface/portfolio.pm	2004/09/06 23:59:05	1.37
@@ -375,33 +375,69 @@ sub rename_confirmed {
 
 sub upload {
     my ($r)=@_;
-    #FIXME if the file already exists we need to do a confirmation pass 
-    #before overwriting
-    my $result=&Apache::lonnet::userfileupload('uploaddoc','',
-					 'portfolio'.$ENV{'form.currentpath'});
-    if ($result !~ m|^/uploaded/|) {
-	$r->print('<font color="red"> An errror occured ('.$result.
-		  ') while trying to upload '.&display_file().'</font><br />');
+    my $fname=$ENV{'form.uploaddoc.filename'};
+    $fname=&Apache::lonnet::clean_filename($fname);
+    my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
+						 $ENV{'user.name'}).
+						'/userfiles/portfolio';
+    my @dir_list=&Apache::lonnet::dirlist($ENV{'form.currentpath'},
+					  $ENV{'user.domain'},
+					  $ENV{'user.name'},$portfolio_root);
+    my $found_file = 0;
+    foreach my $line (@dir_list) {
+        my ($filename)=split(/\&/,$line,2);
+        if ($filename eq $fname){
+            $found_file = 1;
+        }
+    }
+    $r->print('<br />'.&Apache::lonnet::diskusage($ENV{'user.domain'}, $ENV{'user.name'},$portfolio_root).'<br />');
+    if ($found_file){   
+        $r->print('<font color="red">Unable to upload <strong>'.$fname.'</strong>, a file by that name was found in <strong>'.$ENV{'form.currentpath'}.'</strong></font>'.
+                  '<br />To upload, rename or delete existing '.$fname.' in '.$ENV{'form.currentpath'});
+    } else {
+        my $result=&Apache::lonnet::userfileupload('uploaddoc','',
+	        	 'portfolio'.$ENV{'form.currentpath'});
+        if ($result !~ m|^/uploaded/|) {
+            $r->print('<font color="red"> An errror occured ('.$result.
+	              ') while trying to upload '.&display_file().'</font><br />');
+        }
     }
     $r->print(&done());
 }
 
 sub createdir {
     my ($r)=@_;
-    #FIXME 1) file exists in place of dir (errormessage needs improvement)
     my $newdir=&Apache::lonnet::clean_filename($ENV{'form.newdir'});
     if ($newdir eq '') {
-	$r->print('<font color="red">'.
-		  &mt("Error: no valid directory name was provided.").
-		  '</font><br />');
-	$r->print(&done());
-	return;
+    	$r->print('<font color="red">'.
+	    	  &mt("Error: no directory name was provided.").
+		      '</font><br />');
+	    $r->print(&done());
+	    return;
     } 
-    my $result=&Apache::lonnet::mkdiruserfile($ENV{'user.name'},
-	     $ENV{'user.domain'},'portfolio'.$ENV{'form.currentpath'}.$newdir);
-    if ($result ne 'ok') {
-	$r->print('<font color="red"> An errror occured ('.$result.
-		  ') while trying to create a new directory '.&display_file().'</font><br />');
+    my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
+						 $ENV{'user.name'}).
+						'/userfiles/portfolio';
+    my @dir_list=&Apache::lonnet::dirlist($ENV{'form.currentpath'},
+					  $ENV{'user.domain'},
+					  $ENV{'user.name'},$portfolio_root);
+    my $found_file = 0;
+    foreach my $line (@dir_list) {
+        my ($filename)=split(/\&/,$line,2);
+        if ($filename eq $newdir){
+            $found_file = 1;
+        }
+    }
+    if ($found_file){
+    	    $r->print('<font color="red"> Unable to create a directory named <strong>'.$newdir.
+    	            ' </strong>a file or directory by that name already exists.</font><br />');
+    } else {
+        my $result=&Apache::lonnet::mkdiruserfile($ENV{'user.name'},
+	         $ENV{'user.domain'},'portfolio'.$ENV{'form.currentpath'}.$newdir);
+        if ($result ne 'ok') {
+    	    $r->print('<font color="red"> An errror occured ('.$result.
+	    	      ') while trying to create a new directory '.&display_file().'</font><br />');
+        }
     }
     $r->print(&done());
 }
@@ -409,6 +445,9 @@ sub createdir {
 sub handler {
     # this handles file management
     my $r = shift;
+	my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
+							 $ENV{'user.name'}).
+							'/userfiles/portfolio';
     &Apache::loncommon::no_cache($r);
     &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;
@@ -421,7 +460,14 @@ sub handler {
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                             ['selectfile','currentpath',
 					     'currentfile']);
-
+	# make sure there is a portfolio directory off /userfiles
+	my @dir_list=&Apache::lonnet::dirlist('/',
+					    $ENV{'user.domain'},
+					    $ENV{'user.name'},$portfolio_root);
+	if ($dir_list[0] eq 'no_such_dir'){
+	     &Apache::lonnet::mkdiruserfile($ENV{'user.name'},
+	     $ENV{'user.domain'},'portfolio');
+	}
     if ($ENV{'form.uploaddoc.filename'}) {
 	&upload($r);
     } elsif ($ENV{'form.action'} eq 'delete' && $ENV{'form.confirmed'}) {
@@ -443,10 +489,6 @@ sub handler {
 	if ($ENV{'form.currentpath'}) {
 	    $current_path = $ENV{'form.currentpath'};
 	}
-
-	my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
-							 $ENV{'user.name'}).
-							'/userfiles/portfolio';
 	my @dir_list=&Apache::lonnet::dirlist($current_path,
 					    $ENV{'user.domain'},
 					    $ENV{'user.name'},$portfolio_root);