Adding role checking function for UI use

git-svn-id: https://ledger-smb.svn.sourceforge.net/svnroot/ledger-smb/trunk@1173 4979c152-3d1c-0410-bac9-87ea11338e46

LedgerSMB.pm

@@ -48,6 +48,11 @@ characters or is an empty string.
 This function returns 1 if the run mode is what is specified.  Otherwise
 returns 0.
 
+=item is_allowed_role(allowed_roles => @role_names)
+This function returns 1 if the user's roles include any of the roles in
+@role_names.  Currently it returns 1 when this is not found as well but when 
+role permissions are introduced, this will change to 0.
+
 =item num_text_rows (string => $string, cols => $number, max => $number);
 
 This function determines the likely number of rows needed to hold text in a 
@@ -451,6 +456,19 @@ sub call_procedure {
     @results;
 }
 
+# Keeping this here due to common requirements
+sub is_allowed_role {
+    my $self = shift @_;
+    my %args = @_;
+    my @roles = @{$args{allowed_roles}}
+    for $role (@roles){
+        if (scalar(grep /^$role$/, $self->{_roles})){
+            return 1;
+        }
+    }
+    return 1; # TODO change to 0 when the role system is implmented
+}
+
 # This should probably be moved to User too...
 sub date_to_number {