chore: use genericProviderList type to avoid casting twice

Author: w21froster

util/util.go

@@ -77,20 +77,15 @@ func GetCustomProviders(ctx context.Context, cl ctrlclient.Client, currProvider
 	currProviderType := currProvider.GetType()
 
 	for _, providerList := range operatorv1.ProviderLists {
-		providerList, ok := providerList.(ctrlclient.ObjectList)
+		genericProviderList, ok := providerList.(genericProviderList)
 		if !ok {
-			return nil, fmt.Errorf("cannot cast providers list to ObjectList")
+			return nil, fmt.Errorf("cannot cast providers list to genericProviderList")
 		}
 
-		if err := cl.List(ctx, providerList); err != nil {
+		if err := cl.List(ctx, genericProviderList); err != nil {
 			return nil, fmt.Errorf("cannot get a list of providers from the server: %w", err)
 		}
 
-		genericProviderList, ok := providerList.(operatorv1.GenericProviderList)
-		if !ok {
-			return nil, fmt.Errorf("cannot cast providers list to GenericProviderList")
-		}
-
 		genericProviderListItems := genericProviderList.GetItems()
 		for i, provider := range genericProviderListItems {
 			if provider.GetName() == currProviderName && provider.GetType() == currProviderType || provider.GetSpec().FetchConfig == nil {