Request parameters

• user_id
• type

Logic WS

• Validate $.token
• Get user by user_id
• Validate user id & user status
• Validate user `is_blocked` flag
  • if is_blocked = TRUE
  • return 4xx - "User blocked"  (!!! TBD)

• Validate existing 2FA item with $.type user 

  SELECT *
  FROM authentication_factors AS 2FA
  WHERE 
  	2FA.user_id = $.user_id
  		AND 2FA.type = $.type

  • If  not exist 2FA item with $.type 
    • Insert new record in `authentication_factors` with logical status = RESET
      1. user_id = $.user_id
      2. type = $.type
      3. factor = NULL
      4. is_active = TRUE
      5. inserted_at = now()
      6. update_at = now()
    •  Return 201
  • If exist 2FA with $.type -  return 409 error "authentication_factor with such type are exist" 

Response

• 201 if 2FA item created successful 
• 4xx in other case