Build SaaS Apps with Node.js at Warp Speed

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 = function(name, email, password, referer, stripe_id, plan, session){
  
    return new Promise(function(resolve, reject){
  
      var accountId, planPrice;
  
      // check if the email address is already registered with an account
      account.doesExist(email, null).then(function(exists){
  
        if (!exists)
          return account.create(email, referer, stripe_id, plan);
        else
          throw ({ status: false, error: "emailError", message: "Account already exists" });
  
      }).then(function(res){
  
        // create a new stripe customer
        accountId = res;
        return account.createStripeCustomer(email, stripe_id);
  
      }).then(function(customerId){
  
        // subscribe the account to a new stipe subscription plan
        return account.subscribeToPlan(accountId, customerId, plan);
  
      }).then(function(price){
  
        // create the user and add to account
        planPrice = price;
        return user.create(name, email, password, accountId, "owner");
  
      }).then(function(userId){
  
        // 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
        resolve({ success: true });
  
      }).catch(function(err){
  
        reject(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 = function(email, accountId){
  
    // check if user has already been invited
    var sql = "SELECT account_id, invite_id FROM invites WHERE email = ? AND used = 0";
  
    db.query(sql, [email]).then(function(data){
  
      // user has been invited, re-send invite
      if (data.length > 0){
  
        inviteURL = settings.domain + "/user/signup#" + data[0].invite_id;
        sendInviteEmail(email, accountId, inviteURL);
  
        // update invite
        sql = "UPDATE invites SET date_sent = NOW()";
        db.query(sql).catch(function(err){ reject({ success: false, message: err }); });
  
      }
      else {
  
        // create a new invite
        var inviteID = randomstring.generate(16);
        var sql = "INSERT INTO invites VALUES (null, ?, ?, ?, NOW(), false)";
        var params = [inviteID, email, accountId]
  
        db.query(sql, params).then(function(){
  
          return inviteURL = settings.domain + "/user/signup#" + inviteID;
  
        }).then(function(inviteURL){
  
          sendInviteEmail(email, accountId, inviteURL);
  
        }).catch(function(err){
  
          reject({ success: false, message: err });
  
        });
      }
    });
  }
  
  

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