[billing] Implement ReconcileInvoices

Author: easyCZ

components/usage/pkg/apiv1/billing.go

@@ -67,6 +67,37 @@ func (s *BillingService) UpdateInvoices(ctx context.Context, in *v1.UpdateInvoic
 	return &v1.UpdateInvoicesResponse{}, nil
 }
 
+func (s *BillingService) ReconcileInvoices(ctx context.Context, in *v1.ReconcileInvoicesRequest) (*v1.ReconcileInvoicesResponse, error) {
+	balances, err := db.ListBalance(ctx, s.conn)
+	if err != nil {
+		log.WithError(err).Errorf("Failed to reconcile invoices.")
+		return nil, status.Errorf(codes.Internal, "Failed to reconcile invoices.")
+	}
+
+	creditSummaryForTeams := map[string]stripe.CreditSummary{}
+	for _, balance := range balances {
+		entity, id := balance.AttributionID.Values()
+
+		// TODO: Support updating of user attribution IDs
+		if entity != db.AttributionEntity_Team {
+			continue
+		}
+
+		creditSummaryForTeams[id] = stripe.CreditSummary{
+			Credits:  int64(math.Ceil(balance.CreditCents.ToCredits())),
+			ReportID: "no-report",
+		}
+	}
+
+	err = s.stripeClient.UpdateUsage(ctx, creditSummaryForTeams)
+	if err != nil {
+		log.WithError(err).Errorf("Failed to udpate usage in stripe.")
+		return nil, status.Errorf(codes.Internal, "Failed to update usage in stripe")
+	}
+
+	return &v1.ReconcileInvoicesResponse{}, nil
+}
+
 func (s *BillingService) FinalizeInvoice(ctx context.Context, in *v1.FinalizeInvoiceRequest) (*v1.FinalizeInvoiceResponse, error) {
 	logger := log.WithField("invoice_id", in.GetInvoiceId())
 

components/usage/pkg/stripe/stripe.go

@@ -152,18 +152,6 @@ func (c *Client) updateUsageForCustomer(ctx context.Context, customer *stripe.Cu
 		return nil, fmt.Errorf("failed to register usage for customer %q on subscription item %s", customer.Name, subscriptionItemId)
 	}
 
-	invoice, err := c.GetUpcomingInvoice(ctx, customer.ID)
-	if err != nil {
-		return nil, fmt.Errorf("failed to find upcoming invoice for customer %s: %w", customer.ID, err)
-	}
-
-	_, err = c.UpdateInvoiceMetadata(ctx, invoice.ID, map[string]string{
-		ReportIDMetadataKey: summary.ReportID,
-	})
-	if err != nil {
-		return nil, fmt.Errorf("failed to udpate invoice %s metadata with report ID: %w", invoice.ID, err)
-	}
-
 	return &UsageRecord{
 		SubscriptionItemID: subscriptionItemId,
 		Quantity:           summary.Credits,