Finish MFA v1 and refactor all tokens into separate TokenService with modified collection

backend/src/helpers/signup.ts

@@ -1,12 +1,13 @@
 import * as Sentry from '@sentry/node';
-import crypto from 'crypto';
-import { Token, IToken, IUser } from '../models';
+import { IUser } from '../models';
 import { createOrganization } from './organization';
 import { addMembershipsOrg } from './membershipOrg';
 import { createWorkspace } from './workspace';
 import { addMemberships } from './membership';
 import { OWNER, ADMIN, ACCEPTED } from '../variables';
 import { sendMail } from '../helpers/nodemailer';
+import { TokenService } from '../services';
+import { TOKEN_EMAIL_CONFIRMATION } from '../variables';
 
 /**
  * Send magic link to verify email to [email]
@@ -14,21 +15,13 @@ import { sendMail } from '../helpers/nodemailer';
  * @param {Object} obj
  * @param {String} obj.email - email
  * @returns {Boolean} success - whether or not operation was successful
- *
  */
 const sendEmailVerification = async ({ email }: { email: string }) => {
 	try {
-		const token = String(crypto.randomInt(Math.pow(10, 5), Math.pow(10, 6) - 1));
-
-		await Token.findOneAndUpdate(
-			{ email },
-			{
-				email,
-				token,
-				createdAt: new Date()
-			},
-			{ upsert: true, new: true }
-		);
+		const token = await TokenService.createToken({
+			type: TOKEN_EMAIL_CONFIRMATION,
+			email
+		});
 
 		// send mail
 		await sendMail({
@@ -62,12 +55,11 @@ const checkEmailVerification = async ({
 	code: string;
 }) => {
 	try {
-		const token = await Token.findOneAndDelete({
+		await TokenService.validateToken({
+			type: TOKEN_EMAIL_CONFIRMATION,
 			email,
 			token: code
 		});
-	
-		if (!token) throw new Error('Failed to find email verification token');
 	} catch (err) {
 		Sentry.setUser(null);
 		Sentry.captureException(err);