gab-social/app/javascript/gabsocial/features/followers.js

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import ImmutablePureComponent from 'react-immutable-pure-component'
import ImmutablePropTypes from 'react-immutable-proptypes'
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import debounce from 'lodash.debounce'
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import { defineMessages, injectIntl } from 'react-intl'
import {
fetchFollowers,
expandFollowers,
} from '../actions/accounts'
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import Account from '../components/account'
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import ScrollableList from '../components/scrollable_list'
import Block from '../components/block'
import BlockHeading from '../components/block_heading'
import AccountPlaceholder from '../components/placeholder/account_placeholder'
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const mapStateToProps = (state, { account }) => {
const accountId = !!account ? account.get('id') : -1
return {
accountId,
accountIds: state.getIn(['user_lists', 'followers', accountId, 'items']),
hasMore: !!state.getIn(['user_lists', 'followers', accountId, 'next']),
isLoading: state.getIn(['user_lists', 'followers', accountId, 'isLoading'], true),
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}
}
const messages = defineMessages({
followers: { id: 'account.followers', defaultMessage: 'Followers' },
empty: { id: 'account.followers.empty', defaultMessage: 'No one follows this user yet.' },
})
export default
@connect(mapStateToProps)
@injectIntl
class Followers extends ImmutablePureComponent {
static propTypes = {
account: ImmutablePropTypes.map,
accountId: PropTypes.string,
intl: PropTypes.object.isRequired,
params: PropTypes.object.isRequired,
dispatch: PropTypes.func.isRequired,
accountIds: ImmutablePropTypes.list,
hasMore: PropTypes.bool,
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isLoading: PropTypes.bool,
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}
componentWillMount() {
const { accountId } = this.props
if (accountId && accountId !== -1) {
this.props.dispatch(fetchFollowers(accountId))
}
}
componentWillReceiveProps(nextProps) {
if (!!nextProps.accountId && nextProps.accountId !== -1 && nextProps.accountId !== this.props.accountId) {
this.props.dispatch(fetchFollowers(nextProps.accountId))
}
}
handleLoadMore = debounce(() => {
const { accountId } = this.props
if (!!accountId && accountId !== -1) {
this.props.dispatch(expandFollowers(accountId))
}
}, 300, { leading: true })
render() {
const {
account,
accountIds,
hasMore,
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intl,
isLoading,
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} = this.props
return (
<Block>
<BlockHeading title={intl.formatMessage(messages.followers)} />
<ScrollableList
scrollKey='followers'
hasMore={hasMore}
isLoading={isLoading}
showLoading={isLoading}
onLoadMore={this.handleLoadMore}
placeholderComponent={AccountPlaceholder}
placeholderCount={4}
emptyMessage={intl.formatMessage(messages.empty)}
>
{
account && accountIds && accountIds.map((id) => (
<Account key={`follower-${id}`} id={id} compact withBio />
))
}
</ScrollableList>
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</Block>
)
}
}