From bdfb2053e24bc53fbe7756fa0b00d5ccc603102e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Armando=20Rodr=C3=ADguez?=
 <127134616+armando-rodriguez-cko@users.noreply.github.com>
Date: Tue, 2 Jan 2024 12:04:20 +0100
Subject: [PATCH] adds payment sessions support

---
 src/Checkout.js                               |  1 +
 src/api/payment-sessions/payment-sessions.js  | 39 ++++++++++++++++
 src/index.js                                  |  1 +
 src/services/validation.js                    |  1 +
 .../payment-sessions-common.js                | 46 +++++++++++++++++++
 test/payment-sessions/payment-sessions-it.js  | 27 +++++++++++
 .../payment-sessions/payment-sessions-unit.js | 28 +++++++++++
 7 files changed, 143 insertions(+)
 create mode 100644 src/api/payment-sessions/payment-sessions.js
 create mode 100644 test/payment-sessions/payment-sessions-common.js
 create mode 100644 test/payment-sessions/payment-sessions-it.js
 create mode 100644 test/payment-sessions/payment-sessions-unit.js

diff --git a/src/Checkout.js b/src/Checkout.js
index b1dbb73..77c198f 100644
--- a/src/Checkout.js
+++ b/src/Checkout.js
@@ -171,5 +171,6 @@ export default class Checkout {
         this.financial = new ENDPOINTS.Financial(this.config);
         this.issuing = new ENDPOINTS.Issuing(this.config);
         this.paymentContexts = new ENDPOINTS.PaymentContexts(this.config);
+        this.paymentSessions = new ENDPOINTS.PaymentSessions(this.config);
     }
 }
\ No newline at end of file
diff --git a/src/api/payment-sessions/payment-sessions.js b/src/api/payment-sessions/payment-sessions.js
new file mode 100644
index 0000000..5efbc84
--- /dev/null
+++ b/src/api/payment-sessions/payment-sessions.js
@@ -0,0 +1,39 @@
+import { determineError } from '../../services/errors';
+import { post } from '../../services/http';
+import { validatePayment } from '../../services/validation';
+
+/*
+ * Class dealing with the /payment-sessions endpoint
+ *
+ * @export
+ * @class PaymentSessions
+ */
+export default class PaymentSessions {
+    constructor(config) {
+        this.config = config;
+    }
+
+    /**
+     * Sends payment sessions requests.
+     *
+     * @memberof PaymentSessions
+     * @param {object} body PaymentSessions Request body.
+     * @return {Promise<object>} A promise to payment context response.
+     */
+    async request(body) {
+        try {
+            validatePayment(body);
+
+            const response = await post(
+                this.config.httpClient,
+                `${this.config.host}/payment-sessions`,
+                this.config,
+                this.config.sk,
+                body
+            );
+            return await response.json;
+        } catch (error) {
+            throw await determineError(error);
+        }
+    }
+}
diff --git a/src/index.js b/src/index.js
index 0431446..555ec5c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -35,5 +35,6 @@ export { default as Reports } from './api/reports/reports';
 export { default as Financial } from './api/financial/financial';
 export { default as Issuing } from './api/issuing/issuing';
 export { default as PaymentContexts } from './api/payment-contexts/payment-contexts';
+export { default as PaymentSessions } from './api/payment-sessions/payment-sessions';
 export { default as Checkout } from './Checkout';
 export { default } from './Checkout';
diff --git a/src/services/validation.js b/src/services/validation.js
index 8b12843..95cf4eb 100644
--- a/src/services/validation.js
+++ b/src/services/validation.js
@@ -9,6 +9,7 @@ export const validatePayment = (request) => {
     if (request.amount && ('' + request.amount).indexOf('.') !== -1) {
         throw new ValueError('The amount can not contain decimals.');
     }
+    
     if (!(request.currency in CURRENCIES)) {
         throw new ValueError('The currency value is not valid.');
     }
diff --git a/test/payment-sessions/payment-sessions-common.js b/test/payment-sessions/payment-sessions-common.js
new file mode 100644
index 0000000..ba1d177
--- /dev/null
+++ b/test/payment-sessions/payment-sessions-common.js
@@ -0,0 +1,46 @@
+export const commonRequest = {
+  amount: 1000,
+  currency: 'GBP',
+  reference: 'ORD-123A',
+  billing: {
+    address: {
+      country: 'GB'
+    }
+  },
+  customer: {
+    name: 'John Smith',
+    email: 'john.smith@example.com'
+  },
+  success_url: 'https://example.com/payments/success',
+  failure_url: 'https://example.com/payments/failure'
+};
+
+export const commonResponse = {
+  id: 'ps_2aOig7knIeGNYPlyuxUEPQyOmxN',
+  amount: 1000,
+  locale: 'en-GB',
+  currency: 'GBP',
+  payment_methods: [
+    {
+      type: 'card',
+      scheme_choice_enabled: false,
+      store_payment_details: 'disabled'
+    },
+    {
+      type: 'applepay',
+      display_name: 'Parser Digital',
+      country_code: 'GB',
+      currency_code: 'GBP',
+    },
+    {
+      type: 'googlepay',
+    }
+  ],
+  feature_flags: [],
+  risk: { enabled: true },
+  _links: {
+    self: {
+      href: 'https://api.sandbox.checkout.com/payment-sessions/ps_2aOig7knIeGNYPlyuxUEPQyOmxN'
+    }
+  }
+};
\ No newline at end of file
diff --git a/test/payment-sessions/payment-sessions-it.js b/test/payment-sessions/payment-sessions-it.js
new file mode 100644
index 0000000..712564c
--- /dev/null
+++ b/test/payment-sessions/payment-sessions-it.js
@@ -0,0 +1,27 @@
+import { expect } from "chai";
+import nock from "nock";
+import Checkout from '../../src/Checkout.js'
+import { commonRequest, commonResponse } from "./payment-sessions-common.js";
+
+afterEach(() => {
+  nock.cleanAll();
+  nock.enableNetConnect();
+});
+
+const cko = new Checkout(process.env.CHECKOUT_DEFAULT_SECRET_KEY);
+
+describe('Integration::Payment-Sessions', () => {
+
+  it('should request a payment session', async () => {
+    const response = await cko.paymentSessions.request(commonRequest);
+
+    expect(response.id).not.to.be.null;
+    expect(response.amount).to.equal(commonResponse.amount);
+    expect(response.locale).to.equal(commonResponse.locale);
+    expect(response.currency).to.equal(commonResponse.currency);
+    expect(response.customer).not.to.be.null;
+    expect(response.payment_methods).not.to.be.null;
+    expect(response._links).not.to.be.null;
+  });
+
+});
\ No newline at end of file
diff --git a/test/payment-sessions/payment-sessions-unit.js b/test/payment-sessions/payment-sessions-unit.js
new file mode 100644
index 0000000..459f7c3
--- /dev/null
+++ b/test/payment-sessions/payment-sessions-unit.js
@@ -0,0 +1,28 @@
+import nock from "nock";
+import { expect } from "chai";
+import Checkout from "../../src/Checkout.js";
+import { commonRequest, commonResponse } from "./payment-sessions-common.js";
+
+
+describe('Unit::Payment-Sessions', () => {
+  const SK = 'sk_test_0b9b5db6-f223-49d0-b68f-f6643dd4f808';
+
+  it('should request a payment session', async () => {
+    nock('https://api.sandbox.checkout.com')
+      .post('/payment-sessions')
+      .reply(201, commonResponse);
+
+    const cko = new Checkout(SK);
+
+    const paymentContextResponse = await cko.paymentSessions.request(commonRequest);
+
+    expect(paymentContextResponse.id).to.equal('ps_2aOig7knIeGNYPlyuxUEPQyOmxN');
+    expect(paymentContextResponse.amount).to.equal(1000);
+    expect(paymentContextResponse.locale).to.equal('en-GB');
+    expect(paymentContextResponse.currency).to.equal('GBP');
+    expect(paymentContextResponse.payment_methods[0].type).to.equal('card');
+    expect(paymentContextResponse.risk.enabled).to.equal(true);
+    expect(paymentContextResponse._links.self.href).to.equal('https://api.sandbox.checkout.com/payment-sessions/ps_2aOig7knIeGNYPlyuxUEPQyOmxN');
+  });
+
+});
\ No newline at end of file