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'
import MediaGalleryPlaceholder from '../components/placeholder/media_gallery_placeholder'
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const messages = defineMessages({
none: { id: 'account_gallery.none', defaultMessage: 'No media to show.' },
})
const mapStateToProps = (state, { account, mediaType }) => {
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const accountId = !!account ? account.get('id') : -1
return {
accountId,
attachments: getAccountGallery(state, accountId, mediaType),
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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,
mediaType: PropTypes.oneOf([
'photo',
'video',
]),
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}
static defaultProps = {
mediaType: 'both'
}
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componentDidMount() {
const { accountId, mediaType } = this.props
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if (accountId && accountId !== -1) {
this.props.dispatch(expandAccountMediaTimeline(accountId, { mediaType }))
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}
}
componentWillReceiveProps(nextProps) {
if (
(nextProps.accountId && nextProps.accountId !== this.props.accountId) ||
(nextProps.accountId && nextProps.mediaType !== this.props.mediaType)
) {
this.props.dispatch(expandAccountMediaTimeline(nextProps.accountId, {
mediaType: nextProps.mediaType,
}))
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}
}
handleScrollToBottom = () => {
if (this.props.hasMore) {
this.handleLoadMore(this.props.attachments.size > 0 ? this.props.attachments.last().getIn(['status', 'id']) : undefined)
}
}
handleScroll = (e) => {
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const { scrollTop, scrollHeight, clientHeight } = e.target
const offset = scrollHeight - scrollTop - clientHeight
if (150 > offset && !this.props.isLoading) {
this.handleScrollToBottom()
}
}
handleLoadMore = (maxId) => {
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if (this.props.accountId && this.props.accountId !== -1) {
this.props.dispatch(expandAccountMediaTimeline(this.props.accountId, {
maxId,
mediaType: this.props.mediaType,
}))
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}
}
handleLoadOlder = (e) => {
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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 &&
<div className={[_s.default, _s.width100PC].join(' ')}>
<MediaGalleryPlaceholder />
</div>
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}
{
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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>
)
}
}