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index.tsx
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index.tsx
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import { any } from 'ramda'
import { connect } from 'react-redux'
import { RootState } from 'data/rootReducer'
import { SBOrderType, WalletOptionsType } from 'core/types'
import { selectors } from 'data'
import { UserDataType } from 'data/types'
import React from 'react'
import styled from 'styled-components'
const Wrapper = styled.div`
position: absolute;
bottom: 0;
right: 0;
z-index: 10;
`
const Iframe = styled.iframe<CustomIframe>`
height: ${props => (props.widgetOpen ? '580px' : '60px')};
width: ${props => (props.widgetOpen ? '400px' : '190px')};
border: none;
`
class ZendeskWidget extends React.PureComponent<Props, State> {
state = {
chatEnabled: false,
widgetOpen: false
}
componentDidMount () {
// listen for messages about widget open/close state
window.addEventListener('message', this.updateWidgetState, false)
}
updateWidgetState = e => {
const message = e.data
// HMR/zendesk combo sends empty messages sometimes that result in widget state
// being set to close when it really is still open
if (
message &&
(message.widgetOpen === false || message.widgetOpen === true)
) {
this.setState({ widgetOpen: e.data.widgetOpen })
}
}
postMsgToWalletHelper = (methodName, data) => {
const frame = document.getElementById('zendesk-iframe') as HTMLIFrameElement
// ensure iframe is loaded before sending message
const waitForFrameLoad = setInterval(() => {
if (!frame || !frame.contentWindow) return
this.setState({ chatEnabled: true })
frame.contentWindow.postMessage(
{
method: methodName,
messageData: data
},
'*'
)
clearInterval(waitForFrameLoad)
}, 3000)
}
render () {
const { domains, sbOrders, userData } = this.props
const pendingSbOrder = any(
o => o.state === 'PENDING_CONFIRMATION' || o.state === 'PENDING_DEPOSIT',
sbOrders
)
// only show chat to users with pending sb orders for now
if (userData && pendingSbOrder && !this.state.chatEnabled) {
this.postMsgToWalletHelper('showChat', {
fullName:
userData.firstName && userData.lastName
? `${userData.firstName} ${userData.lastName}`
: '',
email: userData.email
})
}
return (
<Wrapper>
<Iframe
id='zendesk-iframe'
src={domains.walletHelper + '/wallet-helper/zendesk/#/'}
widgetOpen={this.state.widgetOpen}
/>
</Wrapper>
)
}
}
const mapStateToProps = (state: RootState): LinkStatePropsType => ({
domains: selectors.core.walletOptions.getDomains(state).getOrElse({
walletHelper: 'https://wallet-helper.blockchain.com'
} as WalletOptionsType['domains']),
sbOrders: selectors.components.simpleBuy.getSBOrders(state).getOrElse([]),
userData: selectors.modules.profile
.getUserData(state)
.getOrElse({} as UserDataType)
})
const connector = connect(mapStateToProps)
type LinkStatePropsType = {
domains: { [key in string]: string }
sbOrders: Array<SBOrderType>
userData: UserDataType | null
}
type State = { chatEnabled: boolean; widgetOpen: boolean }
type CustomIframe = { widgetOpen: boolean }
type Props = LinkStatePropsType & CustomIframe
export default connector(ZendeskWidget)