snapshot of https://github.com/cortezaproject/corteza.git (2024.9.x, 2026-09-18; blobs > 131072B omitted)

server/system/rest/expression.go

@@ -0,0 +1,38 @@
+package rest
+
+import (
+	"context"
+	"strings"
+
+	"github.com/cortezaproject/corteza/server/system/rest/request"
+	"github.com/cortezaproject/corteza/server/system/service"
+)
+
+type (
+	Expression struct {
+		svc exprService
+	}
+
+	exprService interface {
+		Evaluate(context.Context, map[string]string, map[string]any) (map[string]any, error)
+	}
+)
+
+func (Expression) New() *Expression {
+	return &Expression{
+		svc: service.DefaultExpression,
+	}
+}
+
+func (ctrl *Expression) Evaluate(ctx context.Context, r *request.ExpressionEvaluate) (interface{}, error) {
+	expressions := make(map[string]string, len(r.Expressions))
+	for k, v := range r.Expressions {
+		if v.Val != "" {
+			expressions[k] = v.Val
+		} else if len(v.Values) > 0 {
+			expressions[k] = strings.Join(v.Values, ",")
+		}
+	}
+
+	return ctrl.svc.Evaluate(ctx, expressions, r.Variables)
+}