Implement iOS subscriptions (#8493)

* implement iOS subscriptions

* add additional tests to request body

* Improve subscription cancelling

* change string to constant

test/api/v3/integration/payments/apple/GET-payments_apple_cancelSubscribe.js

@@ -0,0 +1,41 @@
+import {generateUser} from '../../../../../helpers/api-integration/v3';
+import applePayments from '../../../../../../website/server/libs/applePayments';
+
+describe('payments : apple #cancelSubscribe', () => {
+  let endpoint = '/iap/ios/subscribe/cancel?noRedirect=true';
+  let user;
+
+  beforeEach(async () => {
+    user = await generateUser();
+  });
+
+  describe('success', () => {
+    let cancelStub;
+
+    beforeEach(async () => {
+      cancelStub = sinon.stub(applePayments, 'cancelSubscribe').returnsPromise().resolves({});
+    });
+
+    afterEach(() => {
+      applePayments.cancelSubscribe.restore();
+    });
+
+    it('cancels the subscription', async () => {
+      user = await generateUser({
+        'profile.name': 'sender',
+        'purchased.plan.paymentMethod': 'Apple',
+        'purchased.plan.customerId': 'customer-id',
+        'purchased.plan.planId': 'basic_3mo',
+        'purchased.plan.lastBillingDate': new Date(),
+        balance: 2,
+      });
+
+      await user.get(endpoint);
+
+      expect(cancelStub).to.be.calledOnce;
+      expect(cancelStub.args[0][0]._id).to.eql(user._id);
+      expect(cancelStub.args[0][1]['x-api-key']).to.eql(user.apiToken);
+      expect(cancelStub.args[0][1]['x-api-user']).to.eql(user._id);
+    });
+  });
+});

test/api/v3/integration/payments/apple/POST-payments_apple_verifyiap.js

@@ -0,0 +1,40 @@
+import {generateUser} from '../../../../../helpers/api-integration/v3';
+import applePayments from '../../../../../../website/server/libs/applePayments';
+
+describe('payments : apple #verify', () => {
+  let endpoint = '/iap/ios/verify';
+  let user;
+
+  beforeEach(async () => {
+    user = await generateUser();
+  });
+
+  describe('success', () => {
+    let verifyStub;
+
+    beforeEach(async () => {
+      verifyStub = sinon.stub(applePayments, 'verifyGemPurchase').returnsPromise().resolves({});
+    });
+
+    afterEach(() => {
+      applePayments.verifyGemPurchase.restore();
+    });
+
+    it('makes a purchase', async () => {
+      user = await generateUser({
+        balance: 2,
+      });
+
+      await user.post(endpoint, {
+      transaction: {
+        receipt: 'receipt',
+      }});
+
+      expect(verifyStub).to.be.calledOnce;
+      expect(verifyStub.args[0][0]._id).to.eql(user._id);
+      expect(verifyStub.args[0][1]).to.eql('receipt');
+      expect(verifyStub.args[0][2]['x-api-key']).to.eql(user.apiToken);
+      expect(verifyStub.args[0][2]['x-api-user']).to.eql(user._id);
+    });
+  });
+});

test/api/v3/integration/payments/apple/POST-payments_google_subscribe.test.js

@@ -0,0 +1,55 @@
+import {generateUser, translate as t} from '../../../../../helpers/api-integration/v3';
+import applePayments from '../../../../../../website/server/libs/applePayments';
+
+describe('payments : apple #subscribe', () => {
+  let endpoint = '/iap/ios/subscribe';
+  let user;
+
+  beforeEach(async () => {
+    user = await generateUser();
+  });
+
+  it('verifies sub key', async () => {
+    await expect(user.post(endpoint)).to.eventually.be.rejected.and.eql({
+      code: 400,
+      error: 'BadRequest',
+      message: t('missingSubscriptionCode'),
+    });
+  });
+
+  describe('success', () => {
+    let subscribeStub;
+
+    beforeEach(async () => {
+      subscribeStub = sinon.stub(applePayments, 'subscribe').returnsPromise().resolves({});
+    });
+
+    afterEach(() => {
+      applePayments.subscribe.restore();
+    });
+
+    it('makes a purchase', async () => {
+      user = await generateUser({
+        'profile.name': 'sender',
+        'purchased.plan.customerId': 'customer-id',
+        'purchased.plan.planId': 'basic_3mo',
+        'purchased.plan.lastBillingDate': new Date(),
+        balance: 2,
+      });
+
+      let sku = 'com.habitrpg.ios.habitica.subscription.3month';
+
+      await user.post(endpoint, {
+        sku,
+        receipt: 'receipt',
+      });
+
+      expect(subscribeStub).to.be.calledOnce;
+      expect(subscribeStub.args[0][0]).to.eql(sku);
+      expect(subscribeStub.args[0][1]._id).to.eql(user._id);
+      expect(subscribeStub.args[0][2]).to.eql('receipt');
+      expect(subscribeStub.args[0][3]['x-api-key']).to.eql(user.apiToken);
+      expect(subscribeStub.args[0][3]['x-api-user']).to.eql(user._id);
+    });
+  });
+});

test/api/v3/integration/payments/google/GET-payments_google_cancelSubscribe.js

@@ -23,6 +23,7 @@ describe('payments : google #cancelSubscribe', () => {
     it('makes a purchase', async () => {
       user = await generateUser({
         'profile.name': 'sender',
+        'purchased.plan.paymentMethod': 'Google',
         'purchased.plan.customerId': 'customer-id',
         'purchased.plan.planId': 'basic_3mo',
         'purchased.plan.lastBillingDate': new Date(),