2 files changed, 34 insertions, 1 deletions
diff --git a/app/javascript/mastodon/actions/markers.js b/app/javascript/mastodon/actions/markers.js
new file mode 100644
index 000000000..c3a5fe86f
--- /dev/null
+++ b/app/javascript/mastodon/actions/markers.js
@@ -0,0 +1,30 @@
+export const submitMarkers = () => (dispatch, getState) => {
+  const accessToken = getState().getIn(['meta', 'access_token'], '');
+  const params      = {};
+
+  const lastHomeId         = getState().getIn(['timelines', 'home', 'items', 0]);
+  const lastNotificationId = getState().getIn(['notifications', 'items', 0, 'id']);
+
+  if (lastHomeId) {
+    params.home = {
+      last_read_id: lastHomeId,
+    };
+  }
+
+  if (lastNotificationId) {
+    params.notifications = {
+      last_read_id: lastNotificationId,
+    };
+  }
+
+  if (Object.keys(params).length === 0) {
+    return;
+  }
+
+  const client = new XMLHttpRequest();
+
+  client.open('POST', '/api/v1/markers', false);
+  client.setRequestHeader('Content-Type', 'application/json');
+  client.setRequestHeader('Authorization', `Bearer ${accessToken}`);
+  client.send(JSON.stringify(params));
+};
diff --git a/app/javascript/mastodon/features/ui/index.js b/app/javascript/mastodon/features/ui/index.js
index 49c5c8d0e..63c5622b6 100644
--- a/app/javascript/mastodon/features/ui/index.js
+++ b/app/javascript/mastodon/features/ui/index.js
@@ -16,6 +16,7 @@ import { expandNotifications } from '../../actions/notifications';
 import { fetchFilters } from '../../actions/filters';
 import { clearHeight } from '../../actions/height_cache';
 import { focusApp, unfocusApp } from 'mastodon/actions/app';
+import { submitMarkers } from 'mastodon/actions/markers';
 import { WrappedSwitch, WrappedRoute } from './util/react_router_helpers';
 import UploadArea from './components/upload_area';
 import ColumnsAreaContainer from './containers/columns_area_container';
@@ -241,7 +242,9 @@ class UI extends React.PureComponent {
   };
 
   handleBeforeUnload = e => {
-    const { intl, isComposing, hasComposingText, hasMediaAttachments } = this.props;
+    const { intl, dispatch, isComposing, hasComposingText, hasMediaAttachments } = this.props;
+
+    dispatch(submitMarkers());
 
     if (isComposing && (hasComposingText || hasMediaAttachments)) {
       // Setting returnValue to any string causes confirmation dialog.