Implement and show upptime status in footer

app/actions/StatusActions.ts

@@ -0,0 +1,50 @@
+import { createAsyncThunk } from '@reduxjs/toolkit';
+
+export type SystemStatus = {
+  status: 'operational' | 'degraded' | 'major';
+  message: string;
+};
+
+type UptimeService = {
+  name: string;
+  status: 'up' | 'down' | 'degraded';
+  uptime: string;
+};
+
+export const fetchSystemStatus = createAsyncThunk(
+  'status/fetch',
+  async (): Promise<SystemStatus> => {
+    const response = await fetch(
+      'https://raw.githubusercontent.com/webkom/uptime/master/history/summary.json',
+    );
+
+    if (!response.ok) {
+      throw new Error('Failed to fetch system status');
+    }
+
+    const data = (await response.json()) as UptimeService[];
+
+    const servicesDown = data.filter(
+      (service) => service.status === 'down',
+    ).length;
+    const servicesDegraded = data.filter(
+      (service) => service.status === 'degraded',
+    ).length;
+
+    let status: SystemStatus['status'];
+    let message: string;
+
+    if (servicesDown > 0) {
+      status = 'major';
+      message = `${servicesDown} ${servicesDown === 1 ? 'tjeneste er' : 'tjenester er'} nede`;
+    } else if (servicesDegraded > 0) {
+      status = 'degraded';
+      message = `${servicesDegraded} ${servicesDegraded === 1 ? 'tjeneste har' : 'tjenester har'} redusert ytelse`;
+    } else {
+      status = 'operational';
+      message = `Alle tjenester opererer normalt`;
+    }
+
+    return { status, message };
+  },
+);

app/components/Footer/Footer.module.css

@@ -26,12 +26,51 @@
   }
 }
 
+.statusDot {
+  position: relative;
+  display: inline-flex;
+  height: var(--spacing-sm);
+  width: var(--spacing-sm);
+}
+
+.statusDotCore {
+  position: relative;
+  display: inline-flex;
+  height: 100%;
+  width: 100%;
+  border-radius: 50%;
+}
+
+.statusDotPing {
+  position: absolute;
+  display: inline-flex;
+  height: 100%;
+  width: 100%;
+  border-radius: 50%;
+  opacity: 0.6;
+  animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
+}
+
+@keyframes ping {
+  75%,
+  100% {
+    transform: scale(2);
+    opacity: 0;
+  }
+}
+
+.statusLink {
+  margin-top: var(--spacing-sm);
+  margin-left: calc(-1 * var(--spacing-sm));
+  font-weight: 400;
+}
+
 /* stylelint-disable no-descending-specificity */
 .footerContent a {
   color: var(--color-red-8);
   margin-bottom: var(--spacing-sm);
 
-  &:hover {
+  &:hover:not(.statusLink) {
     color: var(--color-red-7);
   }
 }
@@ -43,7 +82,7 @@
 html[data-theme='dark'] .footerContent a {
   color: var(--color-red-2);
 
-  &:hover {
+  &:hover:not(.statusLink) {
     color: var(--color-red-3);
   }
 }

app/components/Footer/index.tsx

@@ -1,17 +1,42 @@
-import { Flex, Icon, Image } from '@webkom/lego-bricks';
+import { Flex, Icon, Image, LinkButton } from '@webkom/lego-bricks';
+import { usePreparedEffect } from '@webkom/react-prepare';
 import cx from 'classnames';
 import { Facebook, Instagram, Linkedin, Slack } from 'lucide-react';
 import moment from 'moment-timezone';
 import { Link } from 'react-router-dom';
+import { fetchSystemStatus } from 'app/actions/StatusActions';
 import netcompany from 'app/assets/netcompany_white.svg';
 import octocat from 'app/assets/octocat.png';
 import { useIsLoggedIn } from 'app/reducers/auth';
+import { useAppDispatch, useAppSelector } from 'app/store/hooks';
 import utilityStyles from 'app/styles/utilities.css';
 import Circle from '../Circle';
 import styles from './Footer.module.css';
 
 const Footer = () => {
+  const dispatch = useAppDispatch();
+  const systemStatus = useAppSelector((state) => state.status.systemStatus);
   const loggedIn = useIsLoggedIn();
+
+  usePreparedEffect(
+    'fetchSystemStatus',
+    () => dispatch(fetchSystemStatus()),
+    [],
+  );
+
+  const getStatusColor = (status?: string) => {
+    switch (status) {
+      case 'operational':
+        return 'var(--success-color)';
+      case 'degraded':
+        return 'var(--color-orange-6)';
+      case 'major':
+        return 'var(--danger-color)';
+      default:
+        return 'var(--color-gray-6)';
+    }
+  };
+
   return (
     <footer className={styles.footer}>
       <div className={styles.footerContent}>
@@ -54,6 +79,32 @@ const Footer = () => {
               Backend
             </a>
           </Flex>
+          {systemStatus?.status && systemStatus?.message && (
+            <LinkButton
+              flat
+              size="small"
+              href="https://status.abakus.no"
+              rel="noopener noreferrer"
+              target="_blank"
+              className={styles.statusLink}
+            >
+              <span className={styles.statusDot}>
+                <span
+                  className={styles.statusDotPing}
+                  style={{
+                    backgroundColor: getStatusColor(systemStatus.status),
+                  }}
+                />
+                <span
+                  className={styles.statusDotCore}
+                  style={{
+                    backgroundColor: getStatusColor(systemStatus.status),
+                  }}
+                />
+              </span>
+              {systemStatus.message}
+            </LinkButton>
+          )}
         </div>
 
         <div className={cx(styles.section, styles.rightSection)}>

app/reducers/status.ts

@@ -0,0 +1,32 @@
+import { createSlice } from '@reduxjs/toolkit';
+import { fetchSystemStatus } from 'app/actions/StatusActions';
+import { EntityType } from 'app/store/models/entities';
+import createLegoAdapter from 'app/utils/legoAdapter/createLegoAdapter';
+import type { SystemStatus } from 'app/actions/StatusActions';
+import type { RootState } from 'app/store/createRootReducer';
+
+type ExtraStatusState = {
+  systemStatus: SystemStatus | null;
+};
+
+const legoAdapter = createLegoAdapter(EntityType.SystemStatus);
+
+const statusSlice = createSlice({
+  name: EntityType.SystemStatus,
+  initialState: legoAdapter.getInitialState({
+    systemStatus: null,
+  } as ExtraStatusState),
+  reducers: {},
+  extraReducers: legoAdapter.buildReducers({
+    extraCases: (addCase) => {
+      addCase(fetchSystemStatus.fulfilled, (state, action) => {
+        state.systemStatus = action.payload;
+      });
+    },
+  }),
+});
+
+export default statusSlice.reducer;
+
+export const selectSystemStatus = (state: RootState) =>
+  state.status.systemStatus;

app/store/createRootReducer.ts

@@ -38,6 +38,7 @@ import registrations from 'app/reducers/registrations';
 import restrictedMails from 'app/reducers/restrictedMails';
 import routing from 'app/reducers/routing';
 import search from 'app/reducers/search';
+import status from 'app/reducers/status';
 import surveySubmissions from 'app/reducers/surveySubmissions';
 import surveys from 'app/reducers/surveys';
 import tags from 'app/reducers/tags';
@@ -94,6 +95,7 @@ const createRootReducer = () => {
     threads,
     toasts,
     users,
+    status,
   });
 };
 

app/store/models/entities.ts

@@ -1,5 +1,6 @@
 import type OAuth2Grant from './OAuth2Grant';
 import type { EntityId } from '@reduxjs/toolkit';
+import type { SystemStatus } from 'app/actions/StatusActions';
 import type { UnknownAnnouncement } from 'app/store/models/Announcement';
 import type { UnknownArticle } from 'app/store/models/Article';
 import type Comment from 'app/store/models/Comment';
@@ -74,6 +75,7 @@ export enum EntityType {
   Tags = 'tags',
   Thread = 'threads',
   Users = 'users',
+  SystemStatus = 'systemStatus',
 }
 
 // Most fetch success redux actions are normalized such that payload.entities is a subset of this interface.
@@ -115,6 +117,7 @@ export default interface Entities {
   [EntityType.Tags]: Record<EntityId, UnknownTag>;
   [EntityType.Thread]: Record<EntityId, UnknownThread>;
   [EntityType.Users]: Record<EntityId, UnknownUser>;
+  [EntityType.SystemStatus]: Record<EntityId, SystemStatus>;
 }
 
 type InferEntityType<T> = {

packages/lego-bricks/src/components/Button/Button.module.css

@@ -157,7 +157,12 @@
   }
 
   &[data-pressed] {
-    background-color: var(--color-gray-2);
+    background-color: rgba(
+      var(--rgb-min),
+      var(--rgb-min),
+      var(--rgb-min),
+      calc(var(--low-alpha) * 2)
+    );
   }
 }