ProfileMediaPanel: fix navigating between profiles, display LoadingIndicator, display empty message

app/soapbox/actions/timelines.js

@@ -138,7 +138,7 @@ export function expandTimeline(timelineId, path, params = {}, done = noOp) {
 
     if (timeline.get('isLoading')) {
       done();
-      return;
+      return dispatch(noOp);
     }
 
     if (!params.max_id && !params.pinned && timeline.get('items', ImmutableOrderedSet()).size > 0) {
@@ -149,7 +149,7 @@ export function expandTimeline(timelineId, path, params = {}, done = noOp) {
 
     dispatch(expandTimelineRequest(timelineId, isLoadingMore));
 
-    api(getState).get(path, { params }).then(response => {
+    return api(getState).get(path, { params }).then(response => {
       const next = getLinks(response).refs.find(link => link.rel === 'next');
       dispatch(importFetchedStatuses(response.data));
       dispatch(expandTimelineSuccess(timelineId, response.data, next ? next.uri : null, response.code === 206, isLoadingRecent, isLoadingMore));

app/soapbox/features/ui/components/profile_media_panel.js

@@ -9,6 +9,7 @@ import ImmutablePureComponent from 'react-immutable-pure-component';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import MediaItem from '../../account_gallery/components/media_item';
 import Icon from 'soapbox/components/icon';
+import LoadingIndicator from 'soapbox/components/loading_indicator';
 
 class ProfileMediaPanel extends ImmutablePureComponent {
 
@@ -18,6 +19,10 @@ class ProfileMediaPanel extends ImmutablePureComponent {
     dispatch: PropTypes.func.isRequired,
   };
 
+  state = {
+    isLoading: true,
+  }
+
   handleOpenMedia = attachment => {
     if (attachment.get('type') === 'video') {
       this.props.dispatch(openModal('VIDEO', { media: attachment, status: attachment.get('status') }));
@@ -29,29 +34,42 @@ class ProfileMediaPanel extends ImmutablePureComponent {
     }
   }
 
-  componentDidMount() {
+  fetchMedia = () => {
     const { account } = this.props;
+
+    if (account) {
       const accountId = account.get('id');
-    this.props.dispatch(expandAccountMediaTimeline(accountId));
+
+      this.props.dispatch(expandAccountMediaTimeline(accountId))
+        .then(() => this.setState({ isLoading: false }))
+        .catch(() => {});
+
+    }
   }
 
-  render() {
-    const { attachments, account } = this.props;
+  componentDidMount() {
+    this.fetchMedia();
+  }
+
+  componentDidUpdate(prevProps) {
+    const oldId = prevProps.account && prevProps.account.get('id');
+    const newId = this.props.account && this.props.account.get('id');
+
+    if (newId !== oldId) {
+      this.setState({ isLoading: true });
+      this.fetchMedia();
+    }
+  }
+
+  renderAttachments() {
+    const { attachments } = this.props;
     const publicAttachments = attachments.filter(attachment => attachment.getIn(['status', 'visibility']) === 'public');
     const nineAttachments = publicAttachments.slice(0, 9);
 
+    if (!nineAttachments.isEmpty()) {
       return (
-      <div className='media-panel'>
-        <div className='media-panel-header'>
-          <Icon src={require('@tabler/icons/icons/camera.svg')} className='media-panel-header__icon' />
-          <span className='media-panel-header__label'>
-            <FormattedMessage id='media_panel.title' defaultMessage='Media' />
-          </span>
-        </div>
-        {account &&
-          <div className='media-panel__content'>
         <div className='media-panel__list'>
-              {!nineAttachments.isEmpty() && nineAttachments.map((attachment, index) => (
+          {nineAttachments.map((attachment, index) => (
             <MediaItem
               key={`${attachment.getIn(['status', 'id'])}+${attachment.get('id')}`}
               attachment={attachment}
@@ -60,6 +78,35 @@ class ProfileMediaPanel extends ImmutablePureComponent {
             />
           ))}
         </div>
+      );
+    } else {
+      return (
+        <div className='media-panel__empty'>
+          <FormattedMessage id='media_panel.empty_message' defaultMessage='No media found.' />
+        </div>
+      );
+    }
+  }
+
+  render() {
+    const { account } = this.props;
+    const { isLoading } = this.state;
+
+    return (
+      <div className='media-panel'>
+        <div className='media-panel-header'>
+          <Icon src={require('@tabler/icons/icons/camera.svg')} className='media-panel-header__icon' />
+          <span className='media-panel-header__label'>
+            <FormattedMessage id='media_panel.title' defaultMessage='Media' />
+          </span>
+        </div>
+        {account &&
+          <div className='media-panel__content'>
+            {isLoading ? (
+              <LoadingIndicator />
+            ) : (
+              this.renderAttachments()
+            )}
           </div>
         }
       </div>

app/styles/components/profile-media-panel.scss

@@ -51,4 +51,14 @@
     display: flex;
     flex-wrap: wrap;
   }
+
+  &__empty {
+    padding: 0 15px 10px 15px;
+    font-size: 14px;
+    color: var(--primary-text-color--faint);
+  }
+
+  .loading-indicator {
+    margin: 0 auto;
+  }
 }