implement non blocking flow based architecture for payments

src/dsl/examples/payment/payment.rhai

@@ -17,15 +17,18 @@ let product = new_product()
 
 print(`Product created: ${product.name}`);
 
-// Create the product in Stripe
-print("🔄 Attempting to create product in Stripe...");
+// Create the product in Stripe (non-blocking)
+print("🔄 Dispatching product creation to Stripe...");
 try {
-    let product_id = product.create();
-    print(`✅ Product ID: ${product_id}`);
+    let product_result = product.create_async(STRIPE_API_KEY, "payment-example", "new_create_product_response", "new_create_product_error");
+    print(`✅ Product creation dispatched: ${product_result}`);
+    // In non-blocking mode, we use a demo product ID for the rest of the example
+    let product_id = "prod_demo_example_id";
+    print("💡 Using demo product ID for remaining operations in non-blocking mode");
 } catch(error) {
-    print(`❌ Failed to create product: ${error}`);
+    print(`❌ Failed to dispatch product creation: ${error}`);
     print("This is expected with a demo API key. In production, use a valid Stripe secret key.");
-    return; // Exit early since we can't continue without a valid product
+    let product_id = "prod_demo_example_id"; // Continue with demo ID
 }
 
 print("\n💰 Creating Prices...");
@@ -37,8 +40,9 @@ let upfront_price = new_price()
     .product(product_id)
     .metadata("type", "upfront");
 
-let upfront_price_id = upfront_price.create();
-print(`✅ Upfront Price ID: ${upfront_price_id}`);
+let upfront_result = upfront_price.create_async(STRIPE_API_KEY, "payment-example", "new_create_price_response", "new_create_price_error");
+print(`✅ Upfront Price creation dispatched: ${upfront_result}`);
+let upfront_price_id = "price_demo_upfront_id";
 
 // Create monthly subscription price
 let monthly_price = new_price()
@@ -48,8 +52,9 @@ let monthly_price = new_price()
     .recurring("month")
     .metadata("type", "monthly_subscription");
 
-let monthly_price_id = monthly_price.create();
-print(`✅ Monthly Price ID: ${monthly_price_id}`);
+let monthly_result = monthly_price.create_async(STRIPE_API_KEY, "payment-example", "new_create_price_response", "new_create_price_error");
+print(`✅ Monthly Price creation dispatched: ${monthly_result}`);
+let monthly_price_id = "price_demo_monthly_id";
 
 // Create annual subscription price with discount
 let annual_price = new_price()
@@ -60,8 +65,9 @@ let annual_price = new_price()
     .metadata("type", "annual_subscription")
     .metadata("discount", "2_months_free");
 
-let annual_price_id = annual_price.create();
-print(`✅ Annual Price ID: ${annual_price_id}`);
+let annual_result = annual_price.create_async(STRIPE_API_KEY, "payment-example", "new_create_price_response", "new_create_price_error");
+print(`✅ Annual Price creation dispatched: ${annual_result}`);
+let annual_price_id = "price_demo_annual_id";
 
 print("\n🎟️ Creating Discount Coupons...");
 
@@ -72,8 +78,9 @@ let percent_coupon = new_coupon()
     .metadata("campaign", "new_customer_discount")
     .metadata("code", "WELCOME25");
 
-let percent_coupon_id = percent_coupon.create();
-print(`✅ 25% Off Coupon ID: ${percent_coupon_id}`);
+let percent_result = percent_coupon.create_async(STRIPE_API_KEY, "payment-example", "new_create_coupon_response", "new_create_coupon_error");
+print(`✅ 25% Off Coupon creation dispatched: ${percent_result}`);
+let percent_coupon_id = "coupon_demo_25percent_id";
 
 // Create a fixed amount coupon
 let amount_coupon = new_coupon()
@@ -83,8 +90,9 @@ let amount_coupon = new_coupon()
     .metadata("campaign", "loyalty_program")
     .metadata("code", "LOYAL5");
 
-let amount_coupon_id = amount_coupon.create();
-print(`✅ $5 Off Coupon ID: ${amount_coupon_id}`);
+let amount_result = amount_coupon.create_async(STRIPE_API_KEY, "payment-example", "new_create_coupon_response", "new_create_coupon_error");
+print(`✅ $5 Off Coupon creation dispatched: ${amount_result}`);
+let amount_coupon_id = "coupon_demo_5dollar_id";
 
 print("\n💳 Creating Payment Intent for Upfront Payment...");
 
@@ -100,8 +108,9 @@ let payment_intent = new_payment_intent()
     .metadata("price_id", upfront_price_id)
     .metadata("payment_type", "upfront");
 
-let payment_intent_id = payment_intent.create();
-print(`✅ Payment Intent ID: ${payment_intent_id}`);
+let payment_result = payment_intent.create_async(STRIPE_API_KEY, "payment-example", "new_create_payment_intent_response", "new_create_payment_intent_error");
+print(`✅ Payment Intent creation dispatched: ${payment_result}`);
+let payment_intent_id = "pi_demo_payment_intent_id";
 
 print("\n🔄 Creating Subscription...");
 
@@ -115,8 +124,9 @@ let subscription = new_subscription()
     .metadata("trial", "14_days")
     .metadata("source", "website_signup");
 
-let subscription_id = subscription.create();
-print(`✅ Subscription ID: ${subscription_id}`);
+let subscription_result = subscription.create_async(STRIPE_API_KEY, "payment-example", "new_create_subscription_response", "new_create_subscription_error");
+print(`✅ Subscription creation dispatched: ${subscription_result}`);
+let subscription_id = "sub_demo_subscription_id";
 
 print("\n🎯 Creating Multi-Item Subscription...");
 
@@ -130,8 +140,9 @@ let multi_subscription = new_subscription()
     .metadata("licenses", "5")
     .metadata("addons", "premium_support");
 
-let multi_subscription_id = multi_subscription.create();
-print(`✅ Multi-Item Subscription ID: ${multi_subscription_id}`);
+let multi_result = multi_subscription.create_async(STRIPE_API_KEY, "payment-example", "new_create_subscription_response", "new_create_subscription_error");
+print(`✅ Multi-Item Subscription creation dispatched: ${multi_result}`);
+let multi_subscription_id = "sub_demo_multi_subscription_id";
 
 print("\n💰 Creating Payment Intent with Coupon...");
 
@@ -145,8 +156,9 @@ let discounted_payment = new_payment_intent()
     .metadata("coupon_applied", percent_coupon_id)
     .metadata("discount_percent", "25");
 
-let discounted_payment_id = discounted_payment.create();
-print(`✅ Discounted Payment Intent ID: ${discounted_payment_id}`);
+let discounted_result = discounted_payment.create_async(STRIPE_API_KEY, "payment-example", "new_create_payment_intent_response", "new_create_payment_intent_error");
+print(`✅ Discounted Payment Intent creation dispatched: ${discounted_result}`);
+let discounted_payment_id = "pi_demo_discounted_payment_id";
 
 print("\n📊 Summary of Created Items:");
 print("================================");
@@ -162,7 +174,12 @@ print(`Multi-Subscription ID: ${multi_subscription_id}`);
 print(`Discounted Payment ID: ${discounted_payment_id}`);
 
 print("\n🎉 Payment workflow demonstration completed!");
-print("All Stripe objects have been created successfully using the builder pattern.");
+print("All Stripe object creation requests have been dispatched using the non-blocking pattern.");
+print("💡 In non-blocking mode:");
+print("   ✓ Functions return immediately with dispatch confirmations");
+print("   ✓ HTTP requests happen in background using tokio::spawn");
+print("   ✓ Results are handled by response/error scripts via RhaiDispatcher");
+print("   ✓ No thread blocking or waiting for API responses");
 
 // Example of accessing object properties
 print("\n🔍 Accessing Object Properties:");