Show combined RSVP and donation confirmation after Stripe checkout

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

main.go

@@ -14,6 +14,7 @@ import (
 	"net/http"
 	"os"
 	"path/filepath"
+	"strconv"
 	"strings"
 
 	_ "github.com/lib/pq"
@@ -252,7 +253,7 @@ func handleRSVPPost(w http.ResponseWriter, r *http.Request) {
 	resp := map[string]any{"numPeople": numPeople, "donation": donation}
 
 	if req.DonationCents > 0 {
-		stripeURL, err := createCheckoutSession(eventID, email, req.DonationCents)
+		stripeURL, err := createCheckoutSession(eventID, email, req.DonationCents, numPeople)
 		if err != nil {
 			log.Println("[ERROR] failed to create checkout session:", err)
 			http.Error(w, "failed to create checkout session", http.StatusInternalServerError)
@@ -265,7 +266,7 @@ func handleRSVPPost(w http.ResponseWriter, r *http.Request) {
 	json.NewEncoder(w).Encode(resp)
 }
 
-func createCheckoutSession(eventID, email string, amountCents int64) (string, error) {
+func createCheckoutSession(eventID, email string, amountCents int64, numPeople int) (string, error) {
 	baseURL := os.Getenv("BASE_URL")
 	params := &stripe.CheckoutSessionParams{
 		CustomerEmail: stripe.String(email),
@@ -290,6 +291,7 @@ func createCheckoutSession(eventID, email string, amountCents int64) (string, er
 		Metadata: map[string]string{
 			"event_id":   eventID,
 			"email":      email,
+			"num_people": fmt.Sprintf("%d", numPeople),
 		},
 	}
 
@@ -371,7 +373,13 @@ func handleDonateSuccess(w http.ResponseWriter, r *http.Request) {
 	}
 
 	amount := float64(sess.AmountTotal) / 100
-	http.Redirect(w, r, fmt.Sprintf("/%s?donated=%.2f", eventID, amount), http.StatusSeeOther)
+	redirectURL := fmt.Sprintf("/%s?donated=%.2f", eventID, amount)
+	if numPeopleStr := sess.Metadata["num_people"]; numPeopleStr != "" {
+		if numPeople, err := strconv.Atoi(numPeopleStr); err == nil && numPeople > 0 {
+			redirectURL += fmt.Sprintf("&num_people=%d", numPeople)
+		}
+	}
+	http.Redirect(w, r, redirectURL, http.StatusSeeOther)
 }
 
 func handleStripeWebhook(w http.ResponseWriter, r *http.Request) {

static/afac26.html

@@ -141,12 +141,7 @@
             <span class="spacer"></span>
             <wa-button variant="neutral" size="small" id="logout-btn">Switch User</wa-button>
         </div>
-        <div id="thank-you" class="thank-you" style="display: none;">
+        <div id="thank-you" class="thank-you" style="display: none;"></div>
-            Thank you for your donation!
-        </div>
-        <div id="rsvp-confirmed" class="thank-you" style="display: none;">
-            Your RSVP has been updated!
-        </div>
         <wa-card>
             <div class="event-header">
                 <img src="/afac26-logo.png" alt="Applause for a Cause">
@@ -199,10 +194,26 @@
 
         const eventId = 'afac26';
 
-        const donatedAmount = new URLSearchParams(location.search).get('donated');
+        function showConfirmation(numPeople, donatedAmount) {
+            const parts = [];
+            if (numPeople > 0) {
+                const word = numPeople === 1 ? 'person' : 'people';
+                parts.push(`Your RSVP for ${numPeople} ${word} is confirmed.`);
+            }
             if (donatedAmount) {
-            document.getElementById('thank-you').textContent = `Thank you for your $${parseFloat(donatedAmount).toFixed(2)} donation!`;
+                parts.push(`Thank you for your $${donatedAmount.toFixed(2)} donation!`);
+            }
+            if (parts.length) {
+                document.getElementById('thank-you').textContent = parts.join(' ');
                 document.getElementById('thank-you').style.display = 'block';
+            }
+        }
+
+        const params = new URLSearchParams(location.search);
+        const donatedParam = params.get('donated');
+        const numPeopleParam = params.get('num_people');
+        if (donatedParam || numPeopleParam) {
+            showConfirmation(parseInt(numPeopleParam) || 0, donatedParam ? parseFloat(donatedParam) : null);
             history.replaceState({}, '', location.pathname);
         }
 
@@ -291,9 +302,7 @@
                 location.href = data.url;
             } else {
                 updateUI(data);
-                const word = data.numPeople === 1 ? 'person' : 'people';
+                showConfirmation(data.numPeople, null);
-                document.getElementById('rsvp-confirmed').textContent = `Your RSVP has been updated to ${data.numPeople} ${word}.`;
-                document.getElementById('rsvp-confirmed').style.display = 'block';
             }
         });