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

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import ImmutablePropTypes from 'react-immutable-proptypes'
import ImmutablePureComponent from 'react-immutable-pure-component'
import { injectIntl, defineMessages } from 'react-intl'
import { expandAccountMediaTimeline } from '../actions/timelines'
import { getAccountGallery } from '../selectors'
import ColumnIndicator from '../components/column_indicator'
import MediaItem from '../components/media_item'
import LoadMore from '../components/load_more'
import Block from '../components/block'
const messages = defineMessages({
none: { id: 'account_gallery.none', defaultMessage: 'No media to show.' },
})
const mapStateToProps = (state, { account }) => {
const accountId = !!account ? account.get('id') : -1
return {
accountId,
attachments: getAccountGallery(state, accountId),
isLoading: state.getIn(['timelines', `account:${accountId}:media`, 'isLoading']),
hasMore: state.getIn(['timelines', `account:${accountId}:media`, 'hasMore']),
}
}
export default
@connect(mapStateToProps)
@injectIntl
class AccountGallery extends ImmutablePureComponent {
static propTypes = {
dispatch: PropTypes.func.isRequired,
account: ImmutablePropTypes.map,
accountId: PropTypes.string,
attachments: ImmutablePropTypes.list.isRequired,
isLoading: PropTypes.bool,
hasMore: PropTypes.bool,
intl: PropTypes.object.isRequired,
}
componentDidMount() {
const { accountId } = this.props
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if (accountId && accountId !== -1) {
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this.props.dispatch(expandAccountMediaTimeline(accountId))
}
}
componentWillReceiveProps(nextProps) {
if (nextProps.accountId && nextProps.accountId !== this.props.accountId) {
this.props.dispatch(expandAccountMediaTimeline(nextProps.accountId))
}
}
handleScrollToBottom = () => {
if (this.props.hasMore) {
this.handleLoadMore(this.props.attachments.size > 0 ? this.props.attachments.last().getIn(['status', 'id']) : undefined)
}
}
handleScroll = e => {
const { scrollTop, scrollHeight, clientHeight } = e.target
const offset = scrollHeight - scrollTop - clientHeight
if (150 > offset && !this.props.isLoading) {
this.handleScrollToBottom()
}
}
handleLoadMore = maxId => {
if (this.props.accountId && this.props.accountId !== -1) {
this.props.dispatch(expandAccountMediaTimeline(this.props.accountId, { maxId }))
}
}
handleLoadOlder = e => {
e.preventDefault()
this.handleScrollToBottom()
}
render() {
const {
attachments,
isLoading,
hasMore,
intl,
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account,
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} = this.props
if (!account) return null
return (
<Block>
<div
role='feed'
onScroll={this.handleScroll}
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className={[_s.default, _s.flexRow, _s.flexWrap, _s.py5, _s.px5].join(' ')}
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>
{
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attachments.map((attachment, i) => (
<MediaItem
key={attachment.get('id')}
attachment={attachment}
account={account}
/>
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))
}
{
isLoading && attachments.size === 0 &&
<ColumnIndicator type='loading' />
}
{
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!isLoading && attachments.size === 0 &&
<ColumnIndicator type='error' message={intl.formatMessage(messages.none)} />
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}
</div>
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{
hasMore && !(isLoading && attachments.size === 0) &&
<LoadMore visible={!isLoading} onClick={this.handleLoadOlder} />
}
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</Block>
)
}
}