Add resource skipping for store encoders

server/codegen/assets/templates/gocode/envoy/store_encode.go.tpl

@@ -8,6 +8,7 @@ import (
 	"strconv"
 
 	"github.com/cortezaproject/corteza/server/pkg/envoyx"
+	"github.com/cortezaproject/corteza/server/pkg/expr"
 	"github.com/cortezaproject/corteza/server/pkg/id"
 	"github.com/cortezaproject/corteza/server/store"
 
@@ -131,6 +132,12 @@ func (e StoreEncoder) prepare{{.expIdent}}(ctx context.Context, p envoyx.EncodeP
 
 		existing, hasExisting := existing[i]
 
+		// Run expressions on the nodes
+		err = e.runEvals(ctx, hasExisting, n)
+		if err != nil {
+			return
+		}
+
 		if hasExisting {
 			// On existing, we don't need to re-do identifiers and references; simply
 			// changing up the internal resource is enough.
@@ -351,3 +358,21 @@ func (e *StoreEncoder) grabStorer(p envoyx.EncodeParams) (s store.Storer, err er
 
 	return
 }
+
+func (e *StoreEncoder) runEvals(ctx context.Context, existing bool, n *envoyx.Node) (err error) {
+	// Skip if
+	if n.Config.SkipIfEval == nil {
+		return
+	}
+
+	aux, err := expr.EmptyVars().Cast(map[string]any{
+		"missing": !existing,
+	})
+	if err != nil {
+		return
+	}
+
+	n.Evaluated.Skip, err = n.Config.SkipIfEval.Test(ctx, aux.(*expr.Vars))
+
+	return
+}