feat: harden prepaid billing and commercial operations

1 files changed, 79 insertions, 0 deletions

diff --git a/cmd/reconcile-billing/main.go b/cmd/reconcile-billing/main.go
new file mode 100644
index 0000000..79329ad
--- /dev/null
+++ b/cmd/reconcile-billing/main.go
@@ -0,0 +1,79 @@
+package main
+
+import (
+	"context"
+	"encoding/json"
+	"flag"
+	"fmt"
+	"os"
+	"time"
+
+	"aigw/internal/billing"
+)
+
+func main() {
+	databaseURLEnv := flag.String("database-url-env", "AIGW_DATABASE_URL", "environment variable containing the PostgreSQL URL")
+	stripeKeyEnv := flag.String("stripe-key-env", "AIGW_STRIPE_API_KEY", "environment variable containing the Stripe restricted key")
+	currency := flag.String("currency", "usd", "wallet currency")
+	limit := flag.Int("limit", 200, "maximum recent top-up orders to reconcile")
+	resolveMissing := flag.Bool("resolve-confirmed-missing", false, "close uncredited pending orders whose Stripe Sessions are confirmed missing")
+	resolutionReason := flag.String("resolution-reason", "maintenance reconciliation confirmed the uncredited Checkout Session is absent from the configured Stripe account", "auditable reason for resolving missing orders")
+	flag.Parse()
+	databaseURL, stripeKey := os.Getenv(*databaseURLEnv), os.Getenv(*stripeKeyEnv)
+	if databaseURL == "" || stripeKey == "" {
+		fmt.Fprintln(os.Stderr, "database and Stripe key environment variables are required")
+		os.Exit(1)
+	}
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Minute)
+	defer cancel()
+	service, err := billing.New(ctx, billing.Options{DatabaseURL: databaseURL, Currency: *currency, StripeEnabled: true, StripeAPIKey: stripeKey})
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+	defer service.Close()
+	result, err := service.Reconcile(ctx, *limit)
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+	if *resolveMissing {
+		for _, mismatch := range result.Mismatches {
+			if mismatch["type"] != "stripe_session_missing" {
+				continue
+			}
+			orderID, _ := mismatch["order_id"].(string)
+			order, getErr := service.GetTopUpOrder(ctx, "", orderID)
+			if getErr != nil {
+				fmt.Fprintln(os.Stderr, getErr)
+				os.Exit(1)
+			}
+			var resolveErr error
+			if order.Status == "paid" {
+				_, resolveErr = service.ReverseMissingTopUpCredit(ctx, order.TenantID, order.ID,
+					billing.ResolveMissingTopUpInput{Reason: *resolutionReason}, billing.ResolutionActor{ID: "reconcile-billing", Type: "maintenance"})
+			} else {
+				_, resolveErr = service.ResolveMissingTopUp(ctx, order.TenantID, order.ID,
+					billing.ResolveMissingTopUpInput{Reason: *resolutionReason}, billing.ResolutionActor{ID: "reconcile-billing", Type: "maintenance"})
+			}
+			if resolveErr != nil {
+				fmt.Fprintln(os.Stderr, resolveErr)
+				os.Exit(1)
+			}
+		}
+		result, err = service.Reconcile(ctx, *limit)
+		if err != nil {
+			fmt.Fprintln(os.Stderr, err)
+			os.Exit(1)
+		}
+	}
+	encoder := json.NewEncoder(os.Stdout)
+	encoder.SetIndent("", "  ")
+	if err := encoder.Encode(result); err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+	if result.MismatchCount > 0 {
+		os.Exit(2)
+	}
+}