Bug 29156: File missing warning in Koha::UploadedFile for permanent f…

…iles only

When an uploaded file is deleted, when file does not exist there is a warning :
"Removing record for file.txt within category koha_upload, but file was missing."

For temporary files, this warning is noisy.
For example when they are in /tmp, system reboot deleted them.

I propose to remove this warning for temporary files.

Test plan :
1) Upload a temporary and a permanent file via Tools > Upload
2) Delete the file on server
3) Delete the two files from Tools > Upload
4) Look at warning in log files
=> You see only warning for permanent file

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>

Koha/UploadedFile.pm

@@ -78,8 +78,10 @@ sub delete {
     return $retval if $params->{keep_file};
 
     if( ! -e $file ) {
-        warn "Removing record for $name within category ".
-            $self->uploadcategorycode. ", but file was missing.";
+        if ( $self->permanent ) {
+            warn "Removing record for $name within category ".
+                $self->uploadcategorycode. ", but file was missing.";
+        }
     } elsif( ! unlink($file) ) {
         warn "Problem while deleting: $file";
     }