feat(donate): PayPal integration

api-server/server/boot_tests/fixtures.js

@@ -1,3 +1,7 @@
+/* global jest*/
+import { isEqual } from 'lodash';
+import { isEmail } from 'validator';
+
 export const firstChallengeUrl = '/learn/the/first/challenge';
 export const requestedChallengeUrl = '/learn/my/actual/challenge';
 
@@ -62,15 +66,55 @@ export const mockCompletedChallenges = [
   }
 ];
 export const mockUserID = '5c7d892aff9777c8b1c1a95e';
+
+export const createUserMockFn = jest.fn();
+export const createDonationMockFn = jest.fn();
+export const updateDonationAttr = jest.fn();
+export const updateUserAttr = jest.fn();
 export const mockUser = {
   id: mockUserID,
   username: 'camperbot',
   currentChallengeId: '123abc',
+  email: 'donor@freecodecamp.com',
   timezone: 'UTC',
   completedChallenges: mockCompletedChallenges,
-  progressTimestamps: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+  progressTimestamps: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
+  isDonating: true,
+  donationEmails: ['donor@freecodecamp.com', 'donor@freecodecamp.com'],
+  createDonation: donation => {
+    createDonationMockFn(donation);
+    return mockObservable;
+  },
+  updateAttributes: updateUserAttr
 };
 
+const mockObservable = {
+  toPromise: () => Promise.resolve('result')
+};
+
+export const mockDonation = {
+  id: '5e5f8eda5ed7be2b54e18718',
+  email: 'donor@freecodecamp.com',
+  provider: 'paypal',
+  amount: 500,
+  duration: 'month',
+  startDate: {
+    _when: '2018-11-01T00:00:00.000Z',
+    _date: '2018-11-01T00:00:00.000Z'
+  },
+  subscriptionId: 'I-BA1ATBNF8T3P',
+  userId: mockUserID,
+  updateAttributes: updateDonationAttr
+};
+
+export function createNewUserFromEmail(email) {
+  const newMockUser = mockUser;
+  newMockUser.email = email;
+  newMockUser.username = 'camberbot2';
+  newMockUser.ID = '5c7d892aff9888c8b1c1a95e';
+  return newMockUser;
+}
+
 export const mockApp = {
   models: {
     Challenge: {
@@ -83,12 +127,31 @@ export const mockApp = {
           : cb(new Error('challenge not found'));
       }
     },
+    Donation: {
+      findOne(query, cb) {
+        return isEqual(query, matchSubscriptionIdQuery)
+          ? cb(null, mockDonation)
+          : cb(Error('No Donation'));
+      }
+    },
     User: {
       findById(id, cb) {
         if (id === mockUser.id) {
           return cb(null, mockUser);
         }
         return cb(Error('No user'));
+      },
+      findOne(query, cb) {
+        if (isEqual(query, matchEmailQuery) || isEqual(query, matchUserIdQuery))
+          return cb(null, mockUser);
+        return cb(null, null);
+      },
+      create(query, cb) {
+        if (!isEmail(query.email)) return cb(new Error('email not valid'));
+        else if (query.email === mockUser.email)
+          return cb(new Error('user exist'));
+        createUserMockFn();
+        return Promise.resolve(createNewUserFromEmail(query.email));
       }
     }
   }
@@ -96,6 +159,16 @@ export const mockApp = {
 
 export const mockGetFirstChallenge = () => firstChallengeUrl;
 
+export const matchEmailQuery = {
+  where: { email: mockUser.email }
+};
+export const matchSubscriptionIdQuery = {
+  where: { subscriptionId: mockDonation.subscriptionId }
+};
+export const matchUserIdQuery = {
+  where: { id: mockUser.id }
+};
+
 export const firstChallengeQuery = {
   // first challenge of the first block of the first superBlock
   where: { challengeOrder: 0, superOrder: 1, order: 0 }