initial_state: sync notifications.shows with pleroma notification_settings

lodash suggestion from Alex Gleason

app/javascript/flavours/glitch/actions/settings.js

@@ -25,7 +25,10 @@ const debouncedSave = debounce((dispatch, getState) => {
 
   const data = getState().get('settings').filter((_, path) => path !== 'saved').toJS();
 
-  api(getState).put('/api/pleroma/notification_settings', { exclude_types: excludeTypesFromSettings(getState()) });
+  api(getState).put(
+    '/api/pleroma/notification_settings',
+    { exclude_types: excludeTypesFromSettings(getState()) }
+  ).catch(error => dispatch(showAlertForError(error)));
 
   api(getState).put('/api/web/settings', { data })
     .then(() => dispatch({ type: SETTING_SAVE }))

app/javascript/flavours/glitch/util/initial_state.js

+import { get, set } from 'lodash';
+
+const maybeSetNotificationsSettings = result => {
+  const me = get(result, ['meta', 'me']);
+  if(!me) return;
+
+  const showTypes = get(result, ['settings', 'notifications', 'shows'], {});
+  const excludeTypes = get(result, ['accounts', me, 'pleroma', 'notification_settings', 'exclude_types'], []);
+
+  excludeTypes.forEach(x => showTypes[x] = false);
+  set(result, ['settings', 'notifications', 'shows'], showTypes);
+}
+
 const element = document.getElementById('initial-state');
 const initialState = element && function () {
   const result = JSON.parse(element.textContent);
@@ -6,6 +19,7 @@ const initialState = element && function () {
   } catch (e) {
     result.local_settings = {};
   }
+  maybeSetNotificationsSettings(result);
   return result;
 }();