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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
+
+    if (accountId) {
+      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,
+      account
+    } = this.props
+
+    if (!account) return null
+
+    return (
+      <Block>
+        <div
+          role='feed'
+          onScroll={this.handleScroll}
+          className={[_s.default, _s.flexRow, _s.flexWrap, _s.heightMin50VH, _s.paddingVertical5PX, _s.paddingHorizontal5PX].join(' ')}
+        >
+
+          {
+            attachments.map((attachment) => (
+              <MediaItem key={attachment.get('id')} attachment={attachment} />
+            ))
+          }
+
+          {
+            isLoading && attachments.size === 0 &&
+            <ColumnIndicator type='loading' />
+          }
+
+          { /*
+            attachments.size == 0 &&
+            <ColumnIndicator type='empty' message={intl.formatMessage(messages.none)} />
+          */ }
+
+          {
+            hasMore && !(isLoading && attachments.size === 0) &&
+            <LoadMore visible={!isLoading} onClick={this.handleLoadOlder} />
+          }
+        </div>
+      </Block>
+    )
+  }
+
+}