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path: root/ui/app/components/pages/confirm-transaction-switch/confirm-transaction-switch.component.js
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import React, { Component } from 'react'
import PropTypes from 'prop-types'
import { Redirect } from 'react-router-dom'
import Loading from '../../loading-screen'
import {
  CONFIRM_TRANSACTION_ROUTE,
  CONFIRM_DEPLOY_CONTRACT_PATH,
  CONFIRM_SEND_ETHER_PATH,
  CONFIRM_SEND_TOKEN_PATH,
  CONFIRM_APPROVE_PATH,
  CONFIRM_TRANSFER_FROM_PATH,
  CONFIRM_TOKEN_METHOD_PATH,
  SIGNATURE_REQUEST_PATH,
} from '../../../routes'
import { isConfirmDeployContract } from '../../../helpers/transactions.util'
import {
  TOKEN_METHOD_TRANSFER,
  TOKEN_METHOD_APPROVE,
  TOKEN_METHOD_TRANSFER_FROM,
} from '../../../constants/transactions'

export default class ConfirmTransactionSwitch extends Component {
  static propTypes = {
    txData: PropTypes.object,
    methodData: PropTypes.object,
    fetchingData: PropTypes.bool,
    isEtherTransaction: PropTypes.bool,
  }

  redirectToTransaction () {
    const {
      txData,
      methodData: { name },
      fetchingData,
      isEtherTransaction,
    } = this.props
    const { id, txParams: { data } = {} } = txData

    if (isConfirmDeployContract(txData)) {
      const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_DEPLOY_CONTRACT_PATH}`
      return <Redirect to={{ pathname }} />
    }

    if (fetchingData) {
      return <Loading />
    }

    if (isEtherTransaction) {
      const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_SEND_ETHER_PATH}`
      return <Redirect to={{ pathname }} />
    }

    if (data) {
      const methodName = name && name.toLowerCase()

      switch (methodName) {
        case TOKEN_METHOD_TRANSFER: {
          const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_SEND_TOKEN_PATH}`
          return <Redirect to={{ pathname }} />
        }
        case TOKEN_METHOD_APPROVE: {
          const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_APPROVE_PATH}`
          return <Redirect to={{ pathname }} />
        }
        case TOKEN_METHOD_TRANSFER_FROM: {
          const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_TRANSFER_FROM_PATH}`
          return <Redirect to={{ pathname }} />
        }
        default: {
          const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_TOKEN_METHOD_PATH}`
          return <Redirect to={{ pathname }} />
        }
      }
    }

    const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${id}${CONFIRM_SEND_ETHER_PATH}`
    return <Redirect to={{ pathname }} />
  }

  render () {
    const { txData } = this.props

    if (txData.txParams) {
      return this.redirectToTransaction()
    } else if (txData.msgParams) {
      const pathname = `${CONFIRM_TRANSACTION_ROUTE}/${txData.id}${SIGNATURE_REQUEST_PATH}`
      return <Redirect to={{ pathname }} />
    }

    return <Loading />
  }
}