Fix tabs navigation on the settings page (#4289)

# What this PR does

Fix tabs navigation on the settings page

## Which issue(s) this PR closes

Related to https://github.com/grafana/oncall-private/issues/2563

## Checklist

- [ ] Unit, integration, and e2e (if applicable) tests updated
- [x] Documentation added (or `pr:no public docs` PR label added if not
required)
- [x] Added the relevant release notes label (see labels prefixed w/
`release:`). These labels dictate how your PR will
    show up in the autogenerated release notes.

---------

Co-authored-by: Dominik Broj <dominik.broj@grafana.com>

grafana-plugin/e2e-tests/settings/tabs.test.ts

@@ -0,0 +1,12 @@
+import { test, expect } from '../fixtures';
+import { goToOnCallPage } from '../utils/navigation';
+
+test(`tab query param is used to show proper page tab`, async ({ adminRolePage }) => {
+  const { page } = adminRolePage;
+  goToOnCallPage(page, `settings`, { tab: 'ChatOps' });
+
+  const tab = page.getByRole('tab', { name: 'Chat Ops' });
+  const isSelected = await tab.getAttribute('aria-selected');
+
+  expect(isSelected).toBe('true');
+});

grafana-plugin/e2e-tests/utils/navigation.ts

@@ -1,4 +1,6 @@
+import { KeyValue } from '@grafana/data';
 import type { Page } from '@playwright/test';
+import qs from 'query-string';
 
 import { BASE_URL } from './constants';
 
@@ -17,8 +19,9 @@ const _goToPage = async (page: Page, url = '') => page.goto(`${BASE_URL}${url}`)
 
 export const goToGrafanaPage = async (page: Page, url = '') => _goToPage(page, url);
 
-export const goToOnCallPage = async (page: Page, onCallPage: OnCallPage) => {
-  await _goToPage(page, `/a/grafana-oncall-app/${onCallPage}`);
+export const goToOnCallPage = async (page: Page, onCallPage: OnCallPage, queryParams?: KeyValue) => {
+  const queryParamsString = queryParams ? `?${qs.stringify(queryParams)}` : '';
+  await _goToPage(page, `/a/grafana-oncall-app/${onCallPage}${queryParamsString}`);
   await page.waitForLoadState('networkidle');
   await page.waitForTimeout(1000);
 };

grafana-plugin/src/pages/settings/SettingsPage.tsx

@@ -1,5 +1,6 @@
 import React from 'react';
 
+import { AppRootProps } from '@grafana/data';
 import { Tab, TabsBar } from '@grafana/ui';
 import cn from 'classnames/bind';
 import { observer } from 'mobx-react';
@@ -8,8 +9,9 @@ import { ChatOpsPage } from 'pages/settings/tabs/ChatOps/ChatOps';
 import { MainSettings } from 'pages/settings/tabs/MainSettings/MainSettings';
 import { isTopNavbar } from 'plugin/GrafanaPluginRootPage.helpers';
 import { AppFeature } from 'state/features';
-import { RootBaseStore } from 'state/rootBaseStore/RootBaseStore';
+import { WithStoreProps } from 'state/types';
 import { withMobXProviderContext } from 'state/withStore';
+import { LocationHelper } from 'utils/LocationHelper';
 import { isUserActionAllowed, UserActions } from 'utils/authorization/authorization';
 
 import { SettingsPageTab } from './SettingsPage.types';
@@ -21,18 +23,22 @@ import styles from './SettingsPage.module.css';
 
 const cx = cn.bind(styles);
 
-interface SettingsPageProps {
-  store: RootBaseStore;
-}
+interface SettingsPageProps extends AppRootProps, WithStoreProps {}
 interface SettingsPageState {
   activeTab: string;
 }
 
 @observer
 class Settings extends React.Component<SettingsPageProps, SettingsPageState> {
-  state: SettingsPageState = {
-    activeTab: SettingsPageTab.MainSettings.key, // should read from route instead
-  };
+  constructor(props: SettingsPageProps) {
+    super(props);
+
+    const tab = LocationHelper.getQueryParam('tab');
+
+    this.state = {
+      activeTab: tab || SettingsPageTab.MainSettings.key,
+    };
+  }
 
   render() {
     return <div className={cx('root')}>{this.renderContent()}</div>;
@@ -44,6 +50,7 @@ class Settings extends React.Component<SettingsPageProps, SettingsPageState> {
 
     const onTabChange = (tab: string) => {
       this.setState({ activeTab: tab });
+      LocationHelper.update({ tab }, 'partial');
     };
 
     const hasLiveSettings = store.hasFeature(AppFeature.LiveSettings);

grafana-plugin/src/pages/settings/tabs/ChatOps/ChatOps.tsx

@@ -36,9 +36,9 @@ export class _ChatOpsPage extends React.Component<ChatOpsProps, ChatOpsState> {
   };
 
   componentDidMount() {
-    const { query } = this.props; // eslint-disable-line
+    const tab = LocationHelper.getQueryParam('chatOpsTab');
 
-    this.handleChatopsTabChange(query?.tab || ChatOpsTab.Slack);
+    this.handleChatopsTabChange(tab || ChatOpsTab.Slack);
   }
 
   componentWillUnmount() {
@@ -94,7 +94,7 @@ export class _ChatOpsPage extends React.Component<ChatOpsProps, ChatOpsState> {
 
   handleChatopsTabChange(tab: ChatOpsTab) {
     this.setState({ activeTab: tab });
-    LocationHelper.update({ tab: tab }, 'partial');
+    LocationHelper.update({ chatOpsTab: tab }, 'partial');
   }
 }