feat: Implement getInvoices graphQL query

packages/backend/src/graphql/queries/get-billing-and-usage.ee.ts

@@ -59,7 +59,7 @@ const getBillingAndUsage = async (
     .andWhere(
       'created_at',
       '>=',
-      DateTime.now().minus({ days: 30 }).toFormat('D')
+      DateTime.now().minus({ days: 30 }).toISODate()
     )
     .count()
     .first();

packages/backend/src/graphql/queries/get-invoices.ee.ts

@@ -0,0 +1,17 @@
+import Context from '../../types/express/context';
+import Billing from '../../helpers/billing/index.ee';
+
+const getInvoices = async (
+  _parent: unknown,
+  _params: unknown,
+  context: Context
+) => {
+  const subscription = await context.currentUser.$relatedQuery('subscription');
+  const invoices = await Billing.paddleClient.getInvoices(
+    Number(subscription.paddleSubscriptionId)
+  );
+
+  return invoices;
+};
+
+export default getInvoices;

packages/backend/src/graphql/query-resolvers.ts

@@ -15,6 +15,7 @@ import getUsageData from './queries/get-usage-data.ee';
 import getPaymentPlans from './queries/get-payment-plans.ee';
 import getPaddleInfo from './queries/get-paddle-info.ee';
 import getBillingAndUsage from './queries/get-billing-and-usage.ee';
+import getInvoices from './queries/get-invoices.ee';
 import getAutomatischInfo from './queries/get-automatisch-info';
 import healthcheck from './queries/healthcheck';
 
@@ -36,6 +37,7 @@ const queryResolvers = {
   getPaymentPlans,
   getPaddleInfo,
   getBillingAndUsage,
+  getInvoices,
   getAutomatischInfo,
   healthcheck,
 };

packages/backend/src/graphql/schema.graphql

@@ -38,6 +38,7 @@ type Query {
   getPaymentPlans: [PaymentPlan]
   getPaddleInfo: GetPaddleInfo
   getBillingAndUsage: GetBillingAndUsage
+  getInvoices: [Invoice]
   getAutomatischInfo: GetAutomatischInfo
   healthcheck: AppHealth
 }
@@ -504,6 +505,14 @@ type GetPaddleInfo {
   vendorId: Int
 }
 
+type Invoice {
+  id: Int
+  amount: Float
+  currency: String
+  payout_date: String
+  receipt_url: String
+}
+
 type PaymentPlan {
   name: String
   limit: String

packages/backend/src/helpers/billing/paddle.ee.ts

@@ -1,5 +1,6 @@
 import axios from 'axios';
 import appConfig from '../../config/app';
+import { DateTime } from 'luxon';
 
 const PADDLE_VENDOR_URL = appConfig.isDev
   ? 'https://sandbox-vendors.paddle.com'
@@ -22,8 +23,29 @@ const getSubscription = async (subscriptionId: number) => {
   return subscription;
 };
 
+const getInvoices = async (subscriptionId: number) => {
+  const data = {
+    vendor_id: appConfig.paddleVendorId,
+    vendor_auth_code: appConfig.paddleVendorAuthCode,
+    subscription_id: subscriptionId,
+    is_paid: 1,
+    from: DateTime.now().minus({ years: 3 }).toISODate(),
+    to: DateTime.now().plus({ days: 3 }).toISODate(),
+  };
+
+  const response = await axiosInstance.post(
+    '/api/2.0/subscription/payments',
+    data
+  );
+
+  const invoices = response.data.response;
+
+  return invoices;
+};
+
 const paddleClient = {
   getSubscription,
+  getInvoices,
 };
 
 export default paddleClient;

packages/backend/src/models/user.ts

@@ -148,7 +148,7 @@ class User extends Base {
   }
 
   async startTrialPeriod() {
-    this.trialExpiryDate = DateTime.now().plus({ days: 30 }).toFormat('D');
+    this.trialExpiryDate = DateTime.now().plus({ days: 30 }).toISODate();
   }
 
   async $beforeInsert(queryContext: QueryContext) {