gradido/backend/src/util/validate.ts

import { User as dbUser } from '../typeorm/entity/User'
import { Balance as dbBalance } from '../typeorm/entity/Balance'
import { getRepository } from 'typeorm'
import { calculateDecay } from './decay'

function isStringBoolean(value: string): boolean {
  const lowerValue = value.toLowerCase()
  if (lowerValue === 'true' || lowerValue === 'false') {
    return true
  }
  return false
}

function isHexPublicKey(publicKey:string): boolean {
    return /^[0-9A-Fa-f]{64}$/i.test(publicKey)
}

async function hasUserAmount(user:dbUser, amount:number): Promise<boolean> {
    if(amount < 0) return false
    const balanceRepository = getRepository(dbBalance)
    const balance = await balanceRepository.findOne({ userId: user.id })
    if(!balance) return false

    const decay = await calculateDecay(balance.amount, balance.recordDate, new Date())
    return decay > amount
}

export { isHexPublicKey, hasUserAmount, isStringBoolean }