fix types and linting

app/api/stripe/webhook/route.ts

@@ -19,7 +19,7 @@ async function upsertBillingByCustomer(
     current_period_end?: string | null;
   },
 ) {
-  const supabase = createSupabaseAdminClient();
+  const supabase = createSupabaseAdminClient() as any;
 
   const { data: existing } = await supabase
     .from("billing_accounts")
@@ -28,22 +28,33 @@ async function upsertBillingByCustomer(
     .maybeSingle();
 
   if (existing?.id) {
-    await supabase.from("billing_accounts").update(updates).eq("id", existing.id);
+    await supabase
+      .from("billing_accounts")
+      .update(updates)
+      .eq("id", existing.id);
   }
 }
 
-async function handleCheckoutSessionCompleted(session: Stripe.Checkout.Session) {
-  const agencyId = typeof session.metadata?.agency_id === "string" ? session.metadata.agency_id : null;
-  const customerId = typeof session.customer === "string" ? session.customer : null;
+async function handleCheckoutSessionCompleted(
+  session: Stripe.Checkout.Session,
+) {
+  const agencyId =
+    typeof session.metadata?.agency_id === "string"
+      ? session.metadata.agency_id
+      : null;
+  const customerId =
+    typeof session.customer === "string" ? session.customer : null;
 
   if (!agencyId || !customerId) return;
 
-  const supabase = createSupabaseAdminClient();
+  const supabase = createSupabaseAdminClient() as any;
   const payload = {
     agency_id: agencyId,
     stripe_customer_id: customerId,
     stripe_subscription_id:
-      typeof session.subscription === "string" ? (session.subscription as string) : null,
+      typeof session.subscription === "string"
+        ? (session.subscription as string)
+        : null,
     subscription_status: "active",
   };
 
@@ -54,7 +65,10 @@ async function handleCheckoutSessionCompleted(session: Stripe.Checkout.Session)
     .maybeSingle();
 
   if (existing?.id) {
-    await supabase.from("billing_accounts").update(payload).eq("id", existing.id);
+    await supabase
+      .from("billing_accounts")
+      .update(payload)
+      .eq("id", existing.id);
   } else {
     await supabase.from("billing_accounts").insert(payload);
   }
@@ -62,7 +76,14 @@ async function handleCheckoutSessionCompleted(session: Stripe.Checkout.Session)
 
 async function handleSubscriptionUpdated(subscription: Stripe.Subscription) {
   const customerId =
-    typeof subscription.customer === "string" ? subscription.customer : subscription.customer?.id;
+    typeof subscription.customer === "string"
+      ? subscription.customer
+      : subscription.customer?.id;
+  const currentPeriodEnd =
+    "current_period_end" in subscription
+      ? (subscription as { current_period_end?: number | null })
+          .current_period_end
+      : null;
 
   if (!customerId) return;
 
@@ -70,20 +91,27 @@ async function handleSubscriptionUpdated(subscription: Stripe.Subscription) {
     stripe_subscription_id: subscription.id,
     plan_id: subscription.items.data[0]?.price.id ?? null,
     subscription_status: subscription.status,
-    current_period_end: toIsoOrNull(subscription.current_period_end),
+    current_period_end: toIsoOrNull(currentPeriodEnd),
   });
 }
 
 async function handleSubscriptionDeleted(subscription: Stripe.Subscription) {
   const customerId =
-    typeof subscription.customer === "string" ? subscription.customer : subscription.customer?.id;
+    typeof subscription.customer === "string"
+      ? subscription.customer
+      : subscription.customer?.id;
+  const currentPeriodEnd =
+    "current_period_end" in subscription
+      ? (subscription as { current_period_end?: number | null })
+          .current_period_end
+      : null;
 
   if (!customerId) return;
 
   await upsertBillingByCustomer(customerId, {
     stripe_subscription_id: subscription.id,
     subscription_status: "canceled",
-    current_period_end: toIsoOrNull(subscription.current_period_end),
+    current_period_end: toIsoOrNull(currentPeriodEnd),
   });
 }
 
@@ -95,22 +123,35 @@ export async function POST(req: Request) {
 
     const signature = req.headers.get("stripe-signature");
     if (!signature) {
-      return NextResponse.json({ error: "Missing stripe-signature header" }, { status: 400 });
+      return NextResponse.json(
+        { error: "Missing stripe-signature header" },
+        { status: 400 },
+      );
     }
 
     const stripe = getStripeClient();
     const body = await req.text();
-    const event = stripe.webhooks.constructEvent(body, signature, env.stripeWebhookSecret);
+    const event = stripe.webhooks.constructEvent(
+      body,
+      signature,
+      env.stripeWebhookSecret,
+    );
 
     switch (event.type) {
       case "checkout.session.completed":
-        await handleCheckoutSessionCompleted(event.data.object as Stripe.Checkout.Session);
+        await handleCheckoutSessionCompleted(
+          event.data.object as Stripe.Checkout.Session,
+        );
         break;
       case "customer.subscription.updated":
-        await handleSubscriptionUpdated(event.data.object as Stripe.Subscription);
+        await handleSubscriptionUpdated(
+          event.data.object as Stripe.Subscription,
+        );
         break;
       case "customer.subscription.deleted":
-        await handleSubscriptionDeleted(event.data.object as Stripe.Subscription);
+        await handleSubscriptionDeleted(
+          event.data.object as Stripe.Subscription,
+        );
         break;
       default:
         break;
@@ -119,7 +160,10 @@ export async function POST(req: Request) {
     return NextResponse.json({ received: true });
   } catch (error) {
     return NextResponse.json(
-      { error: error instanceof Error ? error.message : "Webhook handling failed" },
+      {
+        error:
+          error instanceof Error ? error.message : "Webhook handling failed",
+      },
       { status: 400 },
     );
   }