feat: add guards and subscription ui

apps/web/components/billing-plans.tsx

@@ -0,0 +1,72 @@
+import { useMemo, useState } from "react";
+import { classNames } from "@documenso/lib";
+import { STRIPE_PLANS, fetchCheckoutSession, useSubscription } from "@documenso/lib/stripe";
+import { Button } from "@documenso/ui";
+import { Switch } from "@headlessui/react";
+
+export const BillingPlans = () => {
+  const { subscription, hasSubscription, isLoading } = useSubscription();
+  const [isAnnual, setIsAnnual] = useState(true);
+
+  return (
+    <div>
+      {!subscription &&
+        STRIPE_PLANS.map((plan) => (
+          <div key={plan.name} className="rounded-lg border py-4 px-6">
+            <h3 className="text-center text-lg font-medium leading-6 text-gray-900">{plan.name}</h3>
+
+            <div className="my-4 flex justify-center">
+              <Switch.Group as="div" className="flex items-center">
+                <Switch
+                  checked={isAnnual}
+                  onChange={setIsAnnual}
+                  className={classNames(
+                    isAnnual ? "bg-neon-600" : "bg-gray-200",
+                    "relative inline-flex h-6 w-11 flex-shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 ease-in-out focus:outline-none focus:ring-2 focus:ring-neon-600 focus:ring-offset-2"
+                  )}>
+                  <span
+                    aria-hidden="true"
+                    className={classNames(
+                      isAnnual ? "translate-x-5" : "translate-x-0",
+                      "pointer-events-none inline-block h-5 w-5 transform rounded-full bg-white shadow ring-0 transition duration-200 ease-in-out"
+                    )}
+                  />
+                </Switch>
+                <Switch.Label as="span" className="ml-3 text-sm">
+                  <span className="font-medium text-gray-900">Annual billing</span>{" "}
+                  <span className="text-gray-500">(Save $60)</span>
+                </Switch.Label>
+              </Switch.Group>
+            </div>
+
+            <p className="mt-2 text-center text-gray-500">
+              ${(isAnnual ? plan.prices.yearly.price : plan.prices.monthly.price).toFixed(2)}{" "}
+              <span className="text-sm text-gray-400">{isAnnual ? "/yr" : "/mo"}</span>
+            </p>
+
+            <p className="mt-4 text-center text-sm text-gray-500">
+              Lorem ipsum dolor sit amet consectetur, adipisicing elit. Corrupti voluptates delectus
+              doloremque hic vel!
+            </p>
+
+            <div className="mt-4">
+              <Button
+                className="w-full"
+                disabled={isLoading}
+                onClick={() =>
+                  fetchCheckoutSession({
+                    priceId: isAnnual ? plan.prices.yearly.priceId : plan.prices.monthly.priceId,
+                  }).then((res) => {
+                    if (res.success) {
+                      window.location.href = res.url;
+                    }
+                  })
+                }>
+                Subscribe
+              </Button>
+            </div>
+          </div>
+        ))}
+    </div>
+  );
+};

apps/web/components/settings.tsx

@@ -4,9 +4,18 @@ import Link from "next/link";
 import { useRouter } from "next/router";
 import { updateUser } from "@documenso/features";
 import { getUser } from "@documenso/lib/api";
+import {
+  STRIPE_PLANS,
+  fetchCheckoutSession,
+  fetchPortalSession,
+  isSubscriptionsEnabled,
+  useSubscription,
+} from "@documenso/lib/stripe";
+import { SubscriptionStatus } from '@prisma/client'
 import { Button } from "@documenso/ui";
 import { CreditCardIcon, KeyIcon, UserCircleIcon } from "@heroicons/react/24/outline";
 import { useSession } from "next-auth/react";
+import { BillingPlans } from "./billing-plans";
 
 const subNavigation = [
   {
@@ -35,6 +44,7 @@ function classNames(...classes: any) {
 
 export default function Setttings() {
   const session = useSession();
+  const { subscription, hasSubscription } = useSubscription();
   const [user, setUser] = useState({
     email: "",
     name: "",
@@ -179,24 +189,63 @@ export default function Setttings() {
             </div>
 
             <div
-              hidden={subNavigation.filter((e) => e.current)[0]?.name !== subNavigation?.[2]?.name}
+              hidden={
+                subNavigation.find((e) => e.current)?.name !== subNavigation?.[2]?.name
+              }
               className="min-h-[251px] divide-y divide-gray-200 lg:col-span-9">
               {/* Billing section */}
               <div className="py-6 px-4 sm:p-6 lg:pb-8">
                 <div>
                   <h2 className="text-lg font-medium leading-6 text-gray-900">Billing</h2>
+
+                  {!isSubscriptionsEnabled() && (
+                    <p className="mt-2 text-sm text-gray-500">
+                      Subscriptions are not enabled on this instance, you have nothing to do here.
+                    </p>
+                  )}
+
+                  {isSubscriptionsEnabled() && <>
                   <p className="mt-1 text-sm text-gray-500">
-                    Your subscription is currently <strong>{user?.subscription ? 'Active' : 'Inactive'}</strong>.
+                    Your subscription is currently{" "}
+                    <strong>{subscription?.status && subscription?.status !== SubscriptionStatus.INACTIVE ? "Active" : "Inactive"}</strong>.
                   </p>
 
+                  {subscription?.status === SubscriptionStatus.PAST_DUE && (
+                    <p className="mt-1 text-sm text-red-500">
+                      Your subscription is past due. Please update your payment details to continue
+                      using the service without interruption.
+                    </p>
+                  )}
+
                   <p className="mt-1 text-sm text-gray-500">
-                    We use Stripe to process payments. Your card details are never stored on our
-                    servers.
+                    Lorem ipsum dolor sit amet consectetur adipisicing elit. Est consectetur magnam
+                    illo aperiam expedita porro eos eum nam sapiente.
                   </p>
 
-                  <div className="mt-8">
-                    <Button onClick={() => {}}>Manage my subscription</Button>
-                  </div>
+                    <div className="mt-8">
+                      <div className="grid grid-cols-1 lg:grid-cols-2">
+
+                    <BillingPlans />
+                      </div>
+
+                    {subscription && (
+                      <Button
+                        onClick={() => {
+                          if (isSubscriptionsEnabled() && subscription?.customerId) {
+                            fetchPortalSession({
+                              id: subscription.customerId,
+                            }).then((res) => {
+                              if (res.success) {
+                                window.location.href = res.url;
+                              }
+                            });
+                          }
+                        }}>
+                        Manage my subscription
+                      </Button>
+                    )}
+                    </div>
+                    </>}
                 </div>
               </div>
             </div>