[UI] Alerts (#9365)

* remove TODO (now implemented)

* Add Mantine tooltips

* Add "alerts" to header

* Add more alert types

src/frontend/src/components/buttons/ScanButton.tsx

@@ -1,5 +1,5 @@
 import { t } from '@lingui/macro';
-import { ActionIcon } from '@mantine/core';
+import { ActionIcon, Tooltip } from '@mantine/core';
 import { useDisclosure } from '@mantine/hooks';
 import { IconQrcode } from '@tabler/icons-react';
 import BarcodeScanDialog from '../barcodes/BarcodeScanDialog';
@@ -12,13 +12,15 @@ export function ScanButton() {
 
   return (
     <>
-      <ActionIcon
-        onClick={open}
-        variant='transparent'
-        title={t`Open Barcode Scanner`}
-      >
-        <IconQrcode />
-      </ActionIcon>
+      <Tooltip position='bottom-end' label={t`Scan Barcode`}>
+        <ActionIcon
+          onClick={open}
+          variant='transparent'
+          title={t`Open Barcode Scanner`}
+        >
+          <IconQrcode />
+        </ActionIcon>
+      </Tooltip>
       <BarcodeScanDialog opened={opened} onClose={close} />
     </>
   );

src/frontend/src/components/buttons/SpotlightButton.tsx

@@ -1,5 +1,5 @@
 import { t } from '@lingui/macro';
-import { ActionIcon } from '@mantine/core';
+import { ActionIcon, Tooltip } from '@mantine/core';
 import { IconCommand } from '@tabler/icons-react';
 
 import { firstSpotlight } from '../nav/Layout';
@@ -9,13 +9,14 @@ import { firstSpotlight } from '../nav/Layout';
  */
 export function SpotlightButton() {
   return (
-    <ActionIcon
-      onClick={() => firstSpotlight.open()}
-      title={t`Open spotlight`}
-      variant='transparent'
-      aria-label='open-spotlight'
-    >
-      <IconCommand />
-    </ActionIcon>
+    <Tooltip position='bottom-end' label={t`Open spotlight`}>
+      <ActionIcon
+        onClick={() => firstSpotlight.open()}
+        variant='transparent'
+        aria-label='open-spotlight'
+      >
+        <IconCommand />
+      </ActionIcon>
+    </Tooltip>
   );
 }

src/frontend/src/components/nav/Header.tsx

@@ -1,17 +1,25 @@
 import {
   ActionIcon,
+  Alert,
   Container,
   Group,
   Indicator,
+  Menu,
   Tabs,
-  Text
+  Text,
+  Tooltip
 } from '@mantine/core';
 import { useDisclosure } from '@mantine/hooks';
-import { IconBell, IconSearch } from '@tabler/icons-react';
+import {
+  IconBell,
+  IconExclamationCircle,
+  IconSearch
+} from '@tabler/icons-react';
 import { useQuery } from '@tanstack/react-query';
 import { type ReactNode, useEffect, useMemo, useState } from 'react';
 import { useMatch, useNavigate } from 'react-router-dom';
 
+import { t } from '@lingui/macro';
 import { api } from '../../App';
 import { getNavTabs } from '../../defaults/links';
 import { ApiEndpoints } from '../../enums/ApiEndpoints';
@@ -32,7 +40,15 @@ import { NavigationDrawer } from './NavigationDrawer';
 import { NotificationDrawer } from './NotificationDrawer';
 import { SearchDrawer } from './SearchDrawer';
 
+interface AlertInfo {
+  key: string;
+  title: string;
+  message: string;
+}
+
 export function Header() {
+  const user = useUserState();
+
   const [setNavigationOpen, navigationOpen] = useLocalState((state) => [
     state.setNavigationOpen,
     state.navigationOpen
@@ -58,6 +74,49 @@ export function Header() {
     return server.customize?.navbar_message;
   }, [server.customize]);
 
+  const [dismissed, setDismissed] = useState<string[]>([]);
+
+  const alerts: AlertInfo[] = useMemo(() => {
+    const _alerts: AlertInfo[] = [];
+
+    if (server?.debug_mode) {
+      _alerts.push({
+        key: 'debug',
+        title: t`Debug Mode`,
+        message: t`The server is running in debug mode.`
+      });
+    }
+
+    if (server?.worker_running == false) {
+      _alerts.push({
+        key: 'worker',
+        title: t`Background Worker`,
+        message: t`The background worker process is not running.`
+      });
+    }
+
+    if (globalSettings.isSet('SERVER_RESTART_REQUIRED')) {
+      _alerts.push({
+        key: 'restart',
+        title: t`Server Restart`,
+        message: t`The server requires a restart to apply changes.`
+      });
+    }
+
+    const n_migrations =
+      Number.parseInt(globalSettings.getSetting('_PENDING_MIGRATIONS')) ?? 0;
+
+    if (n_migrations > 0) {
+      _alerts.push({
+        key: 'migrations',
+        title: t`Database Migrations`,
+        message: t`There are pending database migrations.`
+      });
+    }
+
+    return _alerts.filter((alert) => !dismissed.includes(alert.key));
+  }, [server, dismissed, globalSettings]);
+
   // Fetch number of notifications for the current user
   const notifications = useQuery({
     queryKey: ['notification-count'],
@@ -125,13 +184,15 @@ export function Header() {
             </Text>
           )}
           <Group>
-            <ActionIcon
-              onClick={openSearchDrawer}
-              variant='transparent'
-              aria-label='open-search'
-            >
-              <IconSearch />
-            </ActionIcon>
+            <Tooltip position='bottom-end' label={t`Search`}>
+              <ActionIcon
+                onClick={openSearchDrawer}
+                variant='transparent'
+                aria-label='open-search'
+              >
+                <IconSearch />
+              </ActionIcon>
+            </Tooltip>
             <SpotlightButton />
             {globalSettings.isSet('BARCODE_ENABLE') && <ScanButton />}
             <Indicator
@@ -142,14 +203,45 @@ export function Header() {
               disabled={notificationCount <= 0}
               inline
             >
-              <ActionIcon
-                onClick={openNotificationDrawer}
-                variant='transparent'
-                aria-label='open-notifications'
-              >
-                <IconBell />
-              </ActionIcon>
+              <Tooltip position='bottom-end' label={t`Notifications`}>
+                <ActionIcon
+                  onClick={openNotificationDrawer}
+                  variant='transparent'
+                  aria-label='open-notifications'
+                >
+                  <IconBell />
+                </ActionIcon>
+              </Tooltip>
             </Indicator>
+            {user.isStaff() && alerts.length > 0 && (
+              <Menu withinPortal={true} position='bottom-end'>
+                <Menu.Target>
+                  <Tooltip position='bottom-end' label={t`Alerts`}>
+                    <ActionIcon
+                      variant='transparent'
+                      aria-label='open-alerts'
+                      color='red'
+                    >
+                      <IconExclamationCircle />
+                    </ActionIcon>
+                  </Tooltip>
+                </Menu.Target>
+                <Menu.Dropdown>
+                  {alerts.map((alert) => (
+                    <Menu.Item key={`alert-item-${alert.key}`}>
+                      <Alert
+                        withCloseButton
+                        color='red'
+                        title={alert.title}
+                        onClose={() => setDismissed([...dismissed, alert.key])}
+                      >
+                        {alert.message}
+                      </Alert>
+                    </Menu.Item>
+                  ))}
+                </Menu.Dropdown>
+              </Menu>
+            )}
             <MainMenu />
           </Group>
         </Group>
@@ -179,8 +271,6 @@ function NavTabs() {
         return;
       }
 
-      // TODO: Hide icons if user does not wish to display them!
-
       _tabs.push(
         <Tabs.Tab
           value={tab.name}