Build SaaS Apps with Node.js The Fast Way

Code Examples

• 
  /*
  * auth.signupAccount()
  * creates a new account + a new stripe customer
  * processes the payment and creates a new recurring monthly subscription
  * params are passed from the front-end signup form via router.js
  */
  
  exports.signupAccount = async function(name, email, password, referrer, stripe_id, plan, session){
  
    try {
  
      // check if the email address is already registered with an account
      const exists = await account.doesExist(email, null);
  
      if (exists)
        throw ({ inputError: "email", message: "You're already registered" });
  
      // create a new account & stripe customer
      const customerId = await account.createStripeCustomer(email, stripe_id);
      const accountId = await account.create(email, referrer, stripe_id, plan);
  
      // subscribe the account to a new stipe subscription plan
      const planPrice = await account.subscribeToPlan(accountId, customerId, plan);
  
      // create the user and add to account
      const userId = await user.create(name, email, password, accountId, "owner");
  
      // set permissions and autheticate user
      session.user = userId;
      session.account = accountId;
      session.permission = "owner";
  
      // send welcome email
      mail.send(email, "Welcome to Gravity!", "welcome-account", { name: name, plan: plan, price: planPrice });
  
      // redirect user to dashboard
      return({ success: true });
  
    }
    catch(err){
  
      throw(err);
  
    }
  }
  
  

• 
  /*
  * user.invite()
  * invites a new user to join an account
  * uses invites table in the db to verify invites and remove need to
  * expose the account id in the front-end URL query
  * if a user has already been invited, the invite will be re-sent
  */
  
  exports.invite = async function(email, accountId){
  
    try {
  
      // check if user has already been invited
      const sql = "SELECT account_id, invite_id FROM invites WHERE email = ? AND used = 0";
      const data = await db.query(sql, [email]);
  
      // user has been invited, re-send invite
      if (data.length > 0){
  
        const inviteURL = settings.domain + "/user/signup#" + data[0].invite_id;
  
        // update invite
        const sql = "UPDATE invites SET date_sent = NOW()";
  
        await db.query(sql);
        await sendInviteEmail(email, accountId, inviteURL);
  
        return true;
  
      }
      else {
  
        // create a new invite
        const inviteID = randomstring.generate(16);
        const inviteURL = settings.domain + "/user/signup#" + inviteID;
        const sql = "INSERT INTO invites VALUES (null, ?, ?, ?, NOW(), false)";
  
        await db.query(sql, [inviteID, email, accountId]);
        await sendInviteEmail(email, accountId, inviteURL);
  
        return inviteURL;
  
      }
    }
    catch(err){
  
      throw(err);
  
    }
  }
  
  

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