feat(core): impl billing settings (#4652)

packages/backend/server/migrations/20231019094615_add_inovice_link/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "user_invoices" ADD COLUMN     "link" TEXT;

packages/backend/server/schema.prisma

@@ -224,6 +224,8 @@ model UserInvoice {
   // billing reason
   reason           String   @db.VarChar
   lastPaymentError String?  @map("last_payment_error") @db.Text
+  // stripe hosted invoice link
+  link             String?  @db.Text
 
   user User @relation(fields: [userId], references: [id], onDelete: Cascade)
 

packages/backend/server/src/modules/payment/resolver.ts

@@ -117,6 +117,9 @@ class UserInvoiceType implements Partial<UserInvoice> {
   @Field(() => String, { nullable: true })
   lastPaymentError?: string | null;
 
+  @Field(() => String, { nullable: true })
+  link?: string | null;
+
   @Field(() => Date)
   createdAt!: Date;
 
@@ -183,6 +186,13 @@ export class SubscriptionResolver {
     return session.url;
   }
 
+  @Mutation(() => String, {
+    description: 'Create a stripe customer portal to manage payment methods',
+  })
+  async createCustomerPortal(@CurrentUser() user: User) {
+    return this.service.createCustomerPortal(user.id);
+  }
+
   @Mutation(() => UserSubscriptionType)
   async cancelSubscription(@CurrentUser() user: User) {
     return this.service.cancelSubscription(user.id);

packages/backend/server/src/modules/payment/service.ts

@@ -296,6 +296,29 @@ export class SubscriptionService {
     }
   }
 
+  async createCustomerPortal(id: string) {
+    const user = await this.db.userStripeCustomer.findUnique({
+      where: {
+        userId: id,
+      },
+    });
+
+    if (!user) {
+      throw new Error('Unknown user');
+    }
+
+    try {
+      const portal = await this.stripe.billingPortal.sessions.create({
+        customer: user.stripeCustomerId,
+      });
+
+      return portal.url;
+    } catch (e) {
+      this.logger.error('Failed to create customer portal.', e);
+      throw new Error('Failed to create customer portal');
+    }
+  }
+
   @OnEvent('customer.subscription.created')
   @OnEvent('customer.subscription.updated')
   async onSubscriptionChanges(subscription: Stripe.Subscription) {
@@ -519,6 +542,7 @@ export class SubscriptionService {
       currency: stripeInvoice.currency,
       amount: stripeInvoice.total,
       status: stripeInvoice.status ?? InvoiceStatus.Void,
+      link: stripeInvoice.hosted_invoice_url,
     };
 
     // handle payment error

packages/backend/server/src/schema.gql

@@ -112,6 +112,7 @@ type UserInvoice {
   status: InvoiceStatus!
   reason: String!
   lastPaymentError: String
+  link: String
   createdAt: DateTime!
   updatedAt: DateTime!
 }
@@ -278,6 +279,9 @@ type Mutation {
 
   """Create a subscription checkout link of stripe"""
   checkout(recurring: SubscriptionRecurring!): String!
+
+  """Create a stripe customer portal to manage payment methods"""
+  createCustomerPortal: String!
   cancelSubscription: UserSubscription!
   resumeSubscription: UserSubscription!
   updateSubscriptionRecurring(recurring: SubscriptionRecurring!): UserSubscription!