load more comments if the mod has moderated them all and there are more availabile

client/coral-admin/src/containers/ModerationQueue/ModerationQueue.js

@@ -9,51 +9,67 @@ import translations from 'coral-admin/src/translations';
 import LoadMore from './components/LoadMore';
 
 const lang = new I18n(translations);
-const ModerationQueue = ({comments, selectedIndex, commentCount, singleView, loadMore, activeTab, sort, ...props}) => {
-  return (
-    <div id="moderationList" className={`${styles.list} ${singleView ? styles.singleView : ''}`}>
-      <ul style={{paddingLeft: 0}}>
-      {
-        comments.length
-        ? comments.map((comment, i) => {
-          const status = comment.action_summaries ? 'FLAGGED' : comment.status;
-          return <Comment
-            key={i}
-            index={i}
-            comment={comment}
-            selected={i === selectedIndex}
-            suspectWords={props.suspectWords}
-            bannedWords={props.bannedWords}
-            actions={actionsMap[status]}
-            showBanUserDialog={props.showBanUserDialog}
-            acceptComment={props.acceptComment}
-            rejectComment={props.rejectComment}
-            currentAsset={props.currentAsset}
-          />;
-        })
-        : <EmptyCard>{lang.t('modqueue.emptyqueue')}</EmptyCard>
-      }
-      </ul>
-      <LoadMore
-        comments={comments}
-        loadMore={loadMore}
-        sort={sort}
-        tab={activeTab}
-        showLoadMore={comments.length < commentCount}
-        assetId={props.assetId}
-        />
-    </div>
-  );
-};
+class ModerationQueue extends React.Component {
 
-ModerationQueue.propTypes = {
-  bannedWords: PropTypes.arrayOf(PropTypes.string).isRequired,
-  suspectWords: PropTypes.arrayOf(PropTypes.string).isRequired,
-  currentAsset: PropTypes.object,
-  showBanUserDialog: PropTypes.func.isRequired,
-  rejectComment: PropTypes.func.isRequired,
-  acceptComment: PropTypes.func.isRequired,
-  comments: PropTypes.array.isRequired
-};
+  static propTypes = {
+    bannedWords: PropTypes.arrayOf(PropTypes.string).isRequired,
+    suspectWords: PropTypes.arrayOf(PropTypes.string).isRequired,
+    currentAsset: PropTypes.object,
+    showBanUserDialog: PropTypes.func.isRequired,
+    rejectComment: PropTypes.func.isRequired,
+    acceptComment: PropTypes.func.isRequired,
+    comments: PropTypes.array.isRequired
+  }
+
+  componentDidUpdate (prev) {
+    const {loadMore, comments, commentCount, sort, activeTab: tab, assetId: asset_id} = this.props;
+
+    // if the user just moderated the last (visible) comment
+    // AND there are more comments available on the server,
+    // go ahead and load more comments
+    if (prev.comments.length > 0 && comments.length === 0 && commentCount > 0) {
+      loadMore({sort, tab, asset_id});
+    }
+  }
+
+  render () {
+    const {comments, selectedIndex, commentCount, singleView, loadMore, activeTab, sort, ...props} = this.props;
+
+    return (
+      <div id="moderationList" className={`${styles.list} ${singleView ? styles.singleView : ''}`}>
+        <ul style={{paddingLeft: 0}}>
+          {
+            comments.length
+            ? comments.map((comment, i) => {
+              const status = comment.action_summaries ? 'FLAGGED' : comment.status;
+              return <Comment
+                key={i}
+                index={i}
+                comment={comment}
+                selected={i === selectedIndex}
+                suspectWords={props.suspectWords}
+                bannedWords={props.bannedWords}
+                actions={actionsMap[status]}
+                showBanUserDialog={props.showBanUserDialog}
+                acceptComment={props.acceptComment}
+                rejectComment={props.rejectComment}
+                currentAsset={props.currentAsset}
+                />;
+            })
+            : <EmptyCard>{lang.t('modqueue.emptyqueue')}</EmptyCard>
+          }
+        </ul>
+        <LoadMore
+          comments={comments}
+          loadMore={loadMore}
+          sort={sort}
+          tab={activeTab}
+          showLoadMore={comments.length < commentCount}
+          assetId={props.assetId}
+          />
+      </div>
+    );
+  }
+}
 
 export default ModerationQueue;

client/coral-admin/src/containers/ModerationQueue/components/Comment.js

@@ -69,16 +69,14 @@ const Comment = ({actions = [], comment, ...props}) => {
               {actions.map((action, i) => {
                 const active = (action === 'REJECT' && comment.status === 'REJECTED') ||
                                (action === 'APPROVE' && comment.status === 'ACCEPTED');
-                return (<ActionButton key={i}
+                return <ActionButton key={i}
                   type={action}
                   user={comment.user}
                   status={comment.status}
                   active={active}
                   acceptComment={() => props.acceptComment({commentId: comment.id})}
-                  rejectComment={() => props.rejectComment({commentId: comment.id})}
-                />);
-              }
-              )}
+                  rejectComment={() => props.rejectComment({commentId: comment.id})} />;
+              })}
             </div>
           </div>
         </div>

client/coral-admin/src/containers/ModerationQueue/components/LoadMore.js

@@ -7,13 +7,16 @@ const LoadMore = ({comments, loadMore, sort, tab, assetId, showLoadMore}) =>
     {
       showLoadMore && <Button
         className={styles.loadMore}
-        onClick={() =>
-          loadMore({
-            cursor: comments[comments.length - 1].created_at,
+        onClick={() => {
+          const lastComment = comments[comments.length - 1];
+          const cursor = lastComment ? lastComment.created_at : null;
+          return loadMore({
+            cursor,
             sort,
             tab,
             asset_id: assetId
-          })}>
+          });
+        }}>
         Load More
       </Button>
     }