node.js - SMS verification NodeJS -

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i'am building blog nodejs, express , mongodb, simple rest api can post blogs, signup, login, etc.

i want build sms verification system using twilio, pretty easy, generate code, send user phone number twilio , when user post /verify, i'm checking code , update user.

my problem i'm not sure store generated code. searched can following ways:

  1. store code in user model (user.verificationcode = generated_code)

  2. store code in user session

  3. make new model called code , save { user: objectid(user_id), code: generated_code }

but i'm not sure if best practice, can explain whats best way this?

option 3 not make sense. , go option 1 or option 2 depends on how long can wait user enter code. , life of session. whether session going expire on browser close or not?

generally suggest go option 2. assuming user going feed code before session expires. typical case.


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