[Workspace] Validate if workspace exists when setup inside a workspace (

opensearch-project#6154)

* feat: validate if workspace exists when setup inside a workspace

Signed-off-by: SuZhou-Joe <suzhou@amazon.com>

* feat: add CHANGELOG

Signed-off-by: SuZhou-Joe <suzhou@amazon.com>

* fix: unit test

Signed-off-by: SuZhou-Joe <suzhou@amazon.com>

* feat: optimize import order

Signed-off-by: SuZhou-Joe <suzhou@amazon.com>

* feat: add protection

Signed-off-by: SuZhou-Joe <suzhou@amazon.com>

* Apply suggestions from code review

Co-authored-by: Yulong Ruan <ruanyu1@gmail.com>
Signed-off-by: SuZhou-Joe <suzhou@amazon.com>

* feat: jump to landing page

Signed-off-by: SuZhou-Joe <suzhou@amazon.com>

---------

Signed-off-by: SuZhou-Joe <suzhou@amazon.com>
Co-authored-by: Yulong Ruan <ruanyu1@gmail.com>
(cherry picked from commit 0cc91ab)

src/plugins/workspace/common/constants.ts

@@ -3,6 +3,8 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+export const WORKSPACE_OVERVIEW_APP_ID = 'workspace_overview';
+export const WORKSPACE_FATAL_ERROR_APP_ID = 'workspace_fatal_error';
 export const WORKSPACE_SAVED_OBJECTS_CLIENT_WRAPPER_ID = 'workspace';
 export const WORKSPACE_CONFLICT_CONTROL_SAVED_OBJECTS_CLIENT_WRAPPER_ID =
   'workspace_conflict_control';

src/plugins/workspace/opensearch_dashboards.json

@@ -7,5 +7,5 @@
     "savedObjects"
   ],
   "optionalPlugins": [],
-  "requiredBundles": []
+  "requiredBundles": ["opensearchDashboardsReact"]
 }

src/plugins/workspace/public/application.tsx

@@ -0,0 +1,26 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import React from 'react';
+import ReactDOM from 'react-dom';
+import { AppMountParameters, ScopedHistory } from '../../../core/public';
+import { OpenSearchDashboardsContextProvider } from '../../opensearch_dashboards_react/public';
+import { WorkspaceFatalError } from './components/workspace_fatal_error';
+import { Services } from './types';
+
+export const renderFatalErrorApp = (params: AppMountParameters, services: Services) => {
+  const { element } = params;
+  const history = params.history as ScopedHistory<{ error?: string }>;
+  ReactDOM.render(
+    <OpenSearchDashboardsContextProvider services={services}>
+      <WorkspaceFatalError error={history.location.state?.error} />
+    </OpenSearchDashboardsContextProvider>,
+    element
+  );
+
+  return () => {
+    ReactDOM.unmountComponentAtNode(element);
+  };
+};

src/plugins/workspace/public/components/workspace_fatal_error/index.ts

@@ -0,0 +1,6 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export { WorkspaceFatalError } from './workspace_fatal_error';

src/plugins/workspace/public/components/workspace_fatal_error/workspace_fatal_error.test.tsx

@@ -0,0 +1,71 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import React from 'react';
+import { IntlProvider } from 'react-intl';
+import { fireEvent, render, waitFor } from '@testing-library/react';
+import { WorkspaceFatalError } from './workspace_fatal_error';
+import { context } from '../../../../opensearch_dashboards_react/public';
+import { coreMock } from '../../../../../core/public/mocks';
+
+describe('<WorkspaceFatalError />', () => {
+  it('render normally', async () => {
+    const { findByText, container } = render(
+      <IntlProvider locale="en">
+        <WorkspaceFatalError />
+      </IntlProvider>
+    );
+    await findByText('Something went wrong');
+    expect(container).toMatchSnapshot();
+  });
+
+  it('render error with callout', async () => {
+    const { findByText, container } = render(
+      <IntlProvider locale="en">
+        <WorkspaceFatalError error="errorInCallout" />
+      </IntlProvider>
+    );
+    await findByText('errorInCallout');
+    expect(container).toMatchSnapshot();
+  });
+
+  it('click go back to homepage', async () => {
+    const { location } = window;
+    const setHrefSpy = jest.fn((href) => href);
+    if (window.location) {
+      // @ts-ignore
+      delete window.location;
+    }
+    window.location = {} as Location;
+    Object.defineProperty(window.location, 'href', {
+      get: () => 'http://localhost/',
+      set: setHrefSpy,
+    });
+    const coreStartMock = coreMock.createStart();
+    const { getByText } = render(
+      <IntlProvider locale="en">
+        <context.Provider
+          value={
+            {
+              services: coreStartMock,
+            } as any
+          }
+        >
+          <WorkspaceFatalError error="errorInCallout" />
+        </context.Provider>
+      </IntlProvider>
+    );
+    fireEvent.click(getByText('Go back to homepage'));
+    await waitFor(
+      () => {
+        expect(setHrefSpy).toBeCalledTimes(1);
+      },
+      {
+        container: document.body,
+      }
+    );
+    window.location = location;
+  });
+});

src/plugins/workspace/public/components/workspace_fatal_error/workspace_fatal_error.tsx

@@ -0,0 +1,65 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  EuiButton,
+  EuiEmptyPrompt,
+  EuiPage,
+  EuiPageBody,
+  EuiPageContent,
+  EuiCallOut,
+} from '@elastic/eui';
+import React from 'react';
+import { FormattedMessage } from '@osd/i18n/react';
+import { HttpSetup } from 'opensearch-dashboards/public';
+import { useOpenSearchDashboards } from '../../../../opensearch_dashboards_react/public';
+
+export function WorkspaceFatalError(props: { error?: string }) {
+  const {
+    services: { http },
+  } = useOpenSearchDashboards();
+  const goBackToHome = () => {
+    window.location.href = (http as HttpSetup).basePath.prepend('/', {
+      withoutClientBasePath: true,
+    });
+  };
+  return (
+    <EuiPage style={{ minHeight: '100vh' }}>
+      <EuiPageBody component="main">
+        <EuiPageContent verticalPosition="center" horizontalPosition="center">
+          <EuiEmptyPrompt
+            iconType="alert"
+            iconColor="danger"
+            title={
+              <h2>
+                <FormattedMessage
+                  id="core.fatalErrors.somethingWentWrongTitle"
+                  defaultMessage="Something went wrong"
+                />
+              </h2>
+            }
+            body={
+              <p>
+                <FormattedMessage
+                  id="core.fatalErrors.tryGoBackToDefaultWorkspaceDescription"
+                  defaultMessage="The workspace you are trying to access cannot be found. Please return to the homepage and try again."
+                />
+              </p>
+            }
+            actions={[
+              <EuiButton color="primary" fill onClick={goBackToHome}>
+                <FormattedMessage
+                  id="core.fatalErrors.goBackToHome"
+                  defaultMessage="Go back to homepage"
+                />
+              </EuiButton>,
+            ]}
+          />
+          {props.error ? <EuiCallOut title={props.error} color="danger" iconType="alert" /> : null}
+        </EuiPageContent>
+      </EuiPageBody>
+    </EuiPage>
+  );
+}