demo.service.js
async _isUserAlreadyExistByOptions (optionName, optionValue) { let result = false
try { let res = await userModel.findOneUserByOption(optionName, optionValue)
result = res.length > 0 ? true : false
} catch (error) {
logger.error(`ServiceError: error in UserService _isUserAlreadyExistByPhone, ${error}`)
result = false// demo
} return result
}
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