Automatically update the backup view when the backup is completed

resources/scripts/components/server/backups/BackupContainer.tsx

@@ -44,6 +44,9 @@ export default () => {
                     {backups.map((backup, index) => <BackupRow
                         key={backup.uuid}
                         backup={backup}
+                        onBackupUpdated={data => setBackups(
+                            s => ([ ...s.map(b => b.uuid === data.uuid ? data : b) ]),
+                        )}
                         className={index !== (backups.length - 1) ? 'mb-2' : undefined}
                     />)}
                 </div>

resources/scripts/components/server/backups/BackupRow.tsx

@@ -14,9 +14,11 @@ import getBackupDownloadUrl from '@/api/server/backups/getBackupDownloadUrl';
 import SpinnerOverlay from '@/components/elements/SpinnerOverlay';
 import useFlash from '@/plugins/useFlash';
 import { httpErrorToHuman } from '@/api/http';
+import useWebsocketEvent from '@/plugins/useWebsocketEvent';
 
 interface Props {
     backup: ServerBackup;
+    onBackupUpdated: (backup: ServerBackup) => void;
     className?: string;
 }
 
@@ -32,12 +34,26 @@ const DownloadModal = ({ checksum, ...props }: RequiredModalProps & { checksum:
     </Modal>
 );
 
-export default ({ backup, className }: Props) => {
+export default ({ backup, onBackupUpdated, className }: Props) => {
     const { uuid } = useServer();
     const { addError, clearFlashes } = useFlash();
     const [ loading, setLoading ] = useState(false);
     const [ visible, setVisible ] = useState(false);
 
+    useWebsocketEvent(`backup completed:${backup.uuid}`, data => {
+        try {
+            const parsed = JSON.parse(data);
+            onBackupUpdated({
+                ...backup,
+                sha256Hash: parsed.sha256_hash || '',
+                bytes: parsed.file_size || 0,
+                completedAt: new Date(),
+            });
+        } catch (e) {
+            console.warn(e);
+        }
+    });
+
     const getBackupLink = () => {
         setLoading(true);
         clearFlashes('backups');

resources/scripts/plugins/useWebsocketEvent.ts

@@ -0,0 +1,24 @@
+import { ServerContext } from '@/state/server';
+import { useEffect, useRef } from 'react';
+
+const useWebsocketEvent = (event: string, callback: (data: string) => void) => {
+    const { connected, instance } = ServerContext.useStoreState(state => state.socket);
+    const savedCallback = useRef<any>(null);
+
+    useEffect(() => {
+        savedCallback.current = callback;
+    }, [callback]);
+
+    return useEffect(() => {
+        const eventListener = (event: any) => savedCallback.current(event);
+        if (connected && instance) {
+            instance.addListener(event, eventListener);
+        }
+
+        return () => {
+            instance && instance.removeListener(event, eventListener);
+        };
+    }, [ event, connected, instance ]);
+};
+
+export default useWebsocketEvent;