added last downtime log (closes #55)

added uptime statistics (closes #56)
added german translations (closes #57)

.gitignore

@@ -49,3 +49,4 @@ Thumbs.db
 # custom
 config.json
 cache.json
+uptime.json

angular.json

@@ -17,12 +17,14 @@
         "build": {
           "builder": "@angular-devkit/build-angular:browser",
           "options": {
+            "allowedCommonJsDependencies": ["dayjs/locale/de"],
             "outputPath": "dist/universal-statuspage/browser",
             "index": "src/index.html",
             "main": "src/main.ts",
             "polyfills": "src/polyfills.ts",
             "tsConfig": "tsconfig.app.json",
             "aot": true,
+            "outputHashing": "media",
             "assets": [
               "src/favicon.png",
               "src/favicon-operational.ico",

config.json

@@ -2,22 +2,44 @@
   "authToken": "test",
   "title": "sp-status",
   "description": "Services hosted by sp-codes",
+  "translations": {
+    "de": {
+      "title": "sp-status",
+      "description": "Services von sp-codes bereitgestellt"
+    }
+  },
   "servicesPath": "$.alerts.*",
   "idPath": "$.labels.status_service",
   "statePath": "$.status",
   "stateValues": {
     "operational": ["ok", "resolved"],
-    "maintenance": ["paused"]
+    "maintenance": ["maintenance" ,"paused"]
   },
   "groups": [
     {
-      "id": "test",
+      "id": "group",
-      "name": "Test",
+      "name": "My Group",
       "url": "http://sp-codes.de",
       "services": [
         {
           "id": "test",
-          "name": "test",
+          "name": "My Service",
+          "url": "http://sp-codes.de",
+          "statePath": "$.state"
+        }, {
+          "id": "test3",
+          "name": "Test3",
+          "statePath": "$.state"
+        }
+      ]
+    }, {
+      "id": "group2",
+      "name": "Group2",
+      "services": [
+        {
+          "id": "test2",
+          "name": "Test2",
+          "url": "http://sp-codes.de",
           "statePath": "$.state"
         }
       ]

package.json

@@ -28,12 +28,20 @@
     "@angular/router": "~11.0.2",
     "@fortawesome/fontawesome-free": "^5.15.1",
     "@nguniversal/express-engine": "^11.0.0",
+    "@ngx-translate/core": "^13.0.0",
+    "@ngx-translate/http-loader": "^6.0.0",
+    "@types/node-cron": "^2.0.3",
     "bootstrap": "^4.5.3",
+    "cron": "^1.8.2",
+    "dayjs": "^1.10.2",
     "express": "^4.17.1",
+    "flag-icon-css": "^3.5.0",
     "jsonpath-plus": "^4.0.0",
+    "node-cron": "^2.0.3",
     "roboto-fontface": "^0.10.0",
     "rxjs": "~6.6.3",
     "tslib": "^2.0.0",
+    "tz-offset": "0.0.2",
     "zone.js": "~0.10.2"
   },
   "devDependencies": {

server.ts

@@ -1,6 +1,6 @@
 import 'zone.js/dist/zone-node';
 
-import {ngExpressEngine} from '@nguniversal/express-engine';
+import {ngExpressEngine, RenderOptions} from '@nguniversal/express-engine';
 import * as express from 'express';
 import {join} from 'path';
 
@@ -17,14 +17,26 @@ export function app() {
   const indexHtml = existsSync(join(distFolder, 'index.original.html')) ? 'index.original.html' : 'index';
 
   // Our Universal express-engine (found @ https://github.com/angular/universal/tree/master/modules/express-engine)
-  server.engine('html', ngExpressEngine({
+  // server.engine('html', ngExpressEngine({
+  //   bootstrap: AppServerModule,
+  // }));
+  server.engine('html', (path: string, options: Readonly<RenderOptions>, callback) => {
+    const engine = ngExpressEngine({
       bootstrap: AppServerModule,
-  }));
+      providers: [
+        {provide: 'REQUEST', useFactory: () => options.req, deps: []}
+      ]
+    });
+    engine(path, options, callback);
+  });
 
   server.set('view engine', 'html');
   server.set('views', distFolder);
 
   server.use('/api', api);
+  server.get('/favicon.ico', (req, res) => {
+    return res.sendStatus(404);
+  });
 
   // Serve static files from /browser
   server.get('*.*', express.static(distFolder, {

src/app/_data/data.ts

@@ -18,9 +18,31 @@ export interface Service {
   name: string;
   url?: string;
   state: State;
+  uptime: number;
 }
 
 export interface MetaInfo {
   title: string;
   description: string;
+  translations?: {
+    [lang: string]: {
+      title: string;
+      description: string;
+    }
+  }
+}
+
+export interface UptimeStatus {
+  hours24: number;
+  days7: number;
+  days30: number;
+  days90: number;
+  days: {
+    date: Date;
+    uptime: number;
+  }[];
+  events: {
+    state: State;
+    date: Date;
+  }[];
 }

src/app/_pipe/dayjs.pipe.spec.ts

@@ -0,0 +1,8 @@
+import { DayjsPipe } from './dayjs.pipe';
+
+describe('DayjsPipe', () => {
+  it('create an instance', () => {
+    const pipe = new DayjsPipe();
+    expect(pipe).toBeTruthy();
+  });
+});

src/app/_pipe/dayjs.pipe.ts

@@ -0,0 +1,36 @@
+import { Pipe, PipeTransform } from '@angular/core';
+import * as dayjs from 'dayjs';
+import * as utc from 'dayjs/plugin/utc';
+import * as relativeTime from 'dayjs/plugin/relativeTime';
+import * as localizedFormat from 'dayjs/plugin/localizedFormat';
+import {TranslateService} from '@ngx-translate/core';
+import 'dayjs/locale/de';
+
+dayjs.extend(utc);
+dayjs.extend(relativeTime);
+dayjs.extend(localizedFormat);
+
+@Pipe({
+  name: 'dayjs',
+  pure: false
+})
+export class DayjsPipe implements PipeTransform {
+  constructor(private translate: TranslateService) {
+  }
+
+  transform(value: string | Date, method: string, ...args: any[]): string {
+    const date = dayjs.utc(value);
+    switch (method) {
+      case 'to':
+        const to = args[0] ? dayjs.utc(args[0]) : dayjs.utc();
+        const suffix = args.length > 1 && args[1] === true;
+        return date.locale(this.translate.currentLang).to(to, !suffix);
+      case 'from':
+        const from = args[0] ? dayjs.utc(args[0]) : dayjs.utc();
+        return date.locale(this.translate.currentLang).from(from);
+      case 'format':
+        return date.local().locale(this.translate.currentLang).format(args[0]);
+    }
+    throw new Error('please pass a method to use!');
+  }
+}

src/app/_service/api.service.spec.ts

@@ -1,16 +0,0 @@
-import { TestBed } from '@angular/core/testing';
-
-import { ApiService } from './api.service';
-
-describe('ApiService', () => {
-  let service: ApiService;
-
-  beforeEach(() => {
-    TestBed.configureTestingModule({});
-    service = TestBed.inject(ApiService);
-  });
-
-  it('should be created', () => {
-    expect(service).toBeTruthy();
-  });
-});

src/app/_service/api.service.ts

@@ -1,9 +1,9 @@
 import {Inject, Injectable, PLATFORM_ID} from '@angular/core';
-import {Observable} from "rxjs";
+import {Observable, of} from 'rxjs';
-import {CurrentStatus, MetaInfo} from "../_data/data";
+import {CurrentStatus, MetaInfo, UptimeStatus} from '../_data/data';
-import {HttpClient} from "@angular/common/http";
+import {HttpClient} from '@angular/common/http';
-import {environment} from "../../environments/environment";
+import {environment} from '../../environments/environment';
-import {isPlatformBrowser} from "@angular/common";
+import {isPlatformBrowser} from '@angular/common';
 
 @Injectable({
   providedIn: 'root'
@@ -19,6 +19,10 @@ export class ApiService {
     return this.http.get<CurrentStatus>(this.api + '/status');
   }
 
+  public getServiceUptime(id: string): Observable<UptimeStatus> {
+    return this.http.get<UptimeStatus>(this.api + '/uptime', {params: {service: id}});
+  }
+
   public getMetaInfo(): Observable<MetaInfo> {
     return this.http.get<MetaInfo>(this.api + '/info');
   }

src/app/_service/storage.service.ts

@@ -0,0 +1,30 @@
+import {Inject, Injectable, PLATFORM_ID} from '@angular/core';
+import {isPlatformBrowser} from '@angular/common';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class StorageService {
+  constructor(@Inject(PLATFORM_ID) private platformId: Object) {
+  }
+
+  getValue(key: string): any {
+    if (!isPlatformBrowser(this.platformId)) {
+      return null;
+    }
+    try {
+      return JSON.parse(localStorage.getItem(key));
+    } catch (e) {
+      return null;
+    }
+  }
+
+  setValue(key: string, value: any): void {
+    if (isPlatformBrowser(this.platformId)) {
+      try {
+        localStorage.setItem(key, JSON.stringify(value));
+      } catch (e) {
+      }
+    }
+  }
+}

src/app/app.component.html

@@ -1,7 +1,22 @@
 <div class="box">
   <header class="container pt-4">
-    <h1 *ngIf="title && title.length">{{title}}</h1>
+    <div class="d-flex">
-    <h3 *ngIf="description && description.length">{{description}}</h3>
+      <div *ngIf="title && title.length">
+        <h1>{{translations[getLanguage()]?.title || title}}</h1>
+      </div>
+      <div class="flex-grow-1"></div>
+      <div class="language-selection">
+        <a href="#" class="mr-2" (click)="setLanguage('en'); $event.preventDefault();">
+          <span class="flag-icon flag-icon-us"></span>
+        </a>
+        <a href="#" (click)="setLanguage('de'); $event.preventDefault();">
+          <span class="flag-icon flag-icon-de"></span>
+        </a>
+      </div>
+    </div>
+    <div *ngIf="description && description.length">
+      <h3>{{translations[getLanguage()]?.description || description}}</h3>
+    </div>
   </header>
 
   <main class="container">

src/app/app.component.scss

@@ -19,12 +19,6 @@ footer {
   flex-shrink: 0;
 }
 
-a {
+.language-selection {
-  color: #cccccc;
+  font-size: 1.3em;
-  text-decoration: none;
-
-  &:hover {
-    color: #ffffff;
-    text-decoration: underline;
-  }
 }

src/app/app.component.spec.ts

@@ -1,35 +0,0 @@
-import { TestBed, waitForAsync } from '@angular/core/testing';
-import { RouterTestingModule } from '@angular/router/testing';
-import { AppComponent } from './app.component';
-
-describe('AppComponent', () => {
-  beforeEach(waitForAsync(() => {
-    TestBed.configureTestingModule({
-      imports: [
-        RouterTestingModule
-      ],
-      declarations: [
-        AppComponent
-      ],
-    }).compileComponents();
-  }));
-
-  it('should create the app', () => {
-    const fixture = TestBed.createComponent(AppComponent);
-    const app = fixture.componentInstance;
-    expect(app).toBeTruthy();
-  });
-
-  it(`should have as title 'universal-statuspage'`, () => {
-    const fixture = TestBed.createComponent(AppComponent);
-    const app = fixture.componentInstance;
-    expect(app.title).toEqual('universal-statuspage');
-  });
-
-  it('should render title', () => {
-    const fixture = TestBed.createComponent(AppComponent);
-    fixture.detectChanges();
-    const compiled = fixture.nativeElement;
-    expect(compiled.querySelector('.content span').textContent).toContain('universal-statuspage app is running!');
-  });
-});

src/app/app.component.ts

@@ -1,8 +1,9 @@
-import {Component, OnInit} from '@angular/core';
+import {Component, Inject, Injector, OnInit, PLATFORM_ID} from '@angular/core';
-import {ApiService} from "./_service/api.service";
+import {ApiService} from './_service/api.service';
-import {Observable} from "rxjs";
+import {Title} from '@angular/platform-browser';
-import {MetaInfo} from "./_data/data";
+import {TranslateService} from '@ngx-translate/core';
-import {Title} from "@angular/platform-browser";
+import {StorageService} from './_service/storage.service';
+import {isPlatformServer} from '@angular/common';
 
 @Component({
   selector: 'app-root',
@@ -12,15 +13,42 @@ import {Title} from "@angular/platform-browser";
 export class AppComponent implements OnInit {
   title: string;
   description: string;
+  translations: { [lang: string]: { title: string; description: string } };
 
-  constructor(private api: ApiService, private htmlTitle: Title) {
+  private supportedLanguages = ['en', 'de'];
+
+  constructor(private translate: TranslateService, private api: ApiService,
+              private storage: StorageService, private htmlTitle: Title,
+              private injector: Injector, @Inject(PLATFORM_ID) private platformId: Object) {
+    this.translate.setDefaultLang('en');
+    if (isPlatformServer(platformId)) {
+      const request = this.injector.get<any>(<any> 'REQUEST');
+      const requestLanguage = request.acceptsLanguages(this.supportedLanguages) || 'en';
+      this.translate.use(requestLanguage);
+      return;
+    }
+    let language = this.storage.getValue('language') || this.translate.getBrowserLang();
+    if (language ! in this.supportedLanguages) {
+      language = 'en';
+    }
+    translate.use(language);
   }
 
   ngOnInit(): void {
     this.api.getMetaInfo().subscribe(info => {
       this.title = info.title;
       this.description = info.description;
+      this.translations = info.translations;
       this.htmlTitle.setTitle(this.title);
-    })
+    });
+  }
+
+  getLanguage(): string {
+    return this.translate.currentLang;
+  }
+
+  setLanguage(language: string): void {
+    this.translate.use(language);
+    this.storage.setValue('language', language);
   }
 }

src/app/app.module.ts

@@ -1,26 +1,56 @@
 import {BrowserModule} from '@angular/platform-browser';
-import {NgModule} from '@angular/core';
+import {NgModule, PLATFORM_ID} from '@angular/core';
 
 import {AppRoutingModule} from './app-routing.module';
 import {AppComponent} from './app.component';
 import {BrowserAnimationsModule} from '@angular/platform-browser/animations';
 import {StatusComponent} from './status/status.component';
-import {MatExpansionModule} from "@angular/material/expansion";
+import {MatExpansionModule} from '@angular/material/expansion';
-import {MatListModule} from "@angular/material/list";
+import {MatListModule} from '@angular/material/list';
-import {HttpClientModule} from "@angular/common/http";
+import {HttpClient, HttpClientModule} from '@angular/common/http';
+import {MatTooltipModule} from '@angular/material/tooltip';
+import {UptimeComponent} from './uptime/uptime.component';
+import {DayjsPipe} from './_pipe/dayjs.pipe';
+import {TranslateLoader, TranslateModule} from '@ngx-translate/core';
+import {TranslateHttpLoader} from '@ngx-translate/http-loader';
+import {isPlatformServer} from '@angular/common';
+import {from, Observable} from 'rxjs';
+
+export class TranslateUniversalLoader extends TranslateLoader {
+  getTranslation(lang: string): Observable<any> {
+    return from(import(`../assets/i18n/${lang}.json`));
+  }
+}
+
+export function UniversalLoaderFactory(http: HttpClient, plattformId: Object) {
+  if (isPlatformServer(plattformId)) {
+    return new TranslateUniversalLoader();
+  }
+  return new TranslateHttpLoader(http);
+}
 
 @NgModule({
   declarations: [
     AppComponent,
-    StatusComponent
+    StatusComponent,
+    UptimeComponent,
+    DayjsPipe
   ],
   imports: [
     BrowserModule.withServerTransition({appId: 'serverApp'}),
     AppRoutingModule,
     BrowserAnimationsModule,
     HttpClientModule,
+    TranslateModule.forRoot({
+      loader: {
+        provide: TranslateLoader,
+        useFactory: UniversalLoaderFactory,
+        deps: [HttpClient, PLATFORM_ID]
+      }
+    }),
     MatExpansionModule,
-    MatListModule
+    MatListModule,
+    MatTooltipModule
   ],
   providers: [],
   bootstrap: [AppComponent]

src/app/status/status.component.html

@@ -1,25 +1,38 @@
+<div class="py-3" *ngFor="let group of groups">
+  <h2>
+    <i [class]="stateClasses[group.state]"></i>
+    <a *ngIf="group.url" [href]="group.url" target="_blank"
+       (click)="$event.stopPropagation()">{{group.name}}</a>
+    <span *ngIf="!group.url">{{group.name}}</span>
+  </h2>
   <mat-accordion [multi]="true">
-  <mat-expansion-panel *ngFor="let group of groups" [expanded]="true">
+    <mat-expansion-panel *ngFor="let service of group.services" [hideToggle]="true"
+                         [(expanded)]="expandedCache[group.id + '-' + service.id]"
+                         (afterExpand)="saveExpandedCache()" (afterCollapse)="saveExpandedCache()">
       <mat-expansion-panel-header>
         <mat-panel-title>
-        <i [class]="stateClasses[group.state]"></i>
+          <div matLine class="w-100 d-flex">
-        <a *ngIf="group.url" class="name" [href]="group.url" target="_blank" (click)="$event.stopPropagation()">{{group.name}}</a>
+            <i [class]="stateClasses[service.state]"></i>
-        <span *ngIf="!group.url">{{group.name}}</span>
+            <a *ngIf="service.url" class="text-truncate" [href]="service.url" target="_blank"
+               (click)="$event.stopPropagation()">{{service.name}}</a>
+            <span *ngIf="!service.url" class="text-truncate">{{service.name}}</span>
+            <span class="ml-2 font-weight-normal d-none d-sm-block" [class.operational]="service.uptime >= 99"
+                  [class.maintenance]="service.uptime < 99 && service.uptime >= 95"
+                  [class.outage]="service.uptime < 95">{{service.uptime?.toFixed(2)}}%</span>
+            <span class="flex-grow-1"></span>
+            <span class="{{service.state}}">{{'state.' + service.state | translate}}</span>
+          </div>
         </mat-panel-title>
       </mat-expansion-panel-header>
 
-    <mat-list>
+      <ng-template matExpansionPanelContent>
-      <a *ngFor="let service of group.services; last as last" mat-list-item [href]="service.url || group.url || '#'" target="_blank">
+        <app-uptime [id]="service.id"></app-uptime>
-        <div matLine class="d-flex">
+      </ng-template>
-          <i [class]="stateClasses[service.state]"></i>
-          <span class="text-truncate">{{service.name}}</span>
-          <span class="flex-grow-1"></span>
-          <span class="text-capitalize {{service.state}}">{{service.state}}</span>
-        </div>
-        <mat-divider [inset]="true" *ngIf="!last"></mat-divider>
-      </a>
-    </mat-list>
     </mat-expansion-panel>
   </mat-accordion>
+</div>
 
-<div class="text-right mt-3"><small>Last updated {{lastUpdated | date:'HH:mm:ss'}}</small></div>
+<div class="text-right pb-3"><small matTooltip="{{lastUpdated | dayjs:'format':'LTS'}}" matTooltipPosition="above"
+                                    [matTooltipShowDelay]="0"
+                                    [matTooltipHideDelay]="0">{{'last-updated' | translate:{'time': lastUpdated | dayjs:'from'} }}</small>
+</div>

src/app/status/status.component.scss

@@ -1,23 +1,5 @@
-.operational {
-  color: #7ed321;
-}
-
-.outage {
-  color: #ff6f6f;
-}
-
-.maintenance {
-  color: #f7ca18;
-}
-
 a {
-  text-decoration: none;
-  outline: none;
   color: #ffffff;
-
-  &:hover.name, &:hover .name {
-    text-decoration: underline;
-  }
 }
 
 mat-panel-title {

src/app/status/status.component.spec.ts

@@ -1,25 +0,0 @@
-import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
-
-import { StatusComponent } from './status.component';
-
-describe('StatusComponent', () => {
-  let component: StatusComponent;
-  let fixture: ComponentFixture<StatusComponent>;
-
-  beforeEach(waitForAsync(() => {
-    TestBed.configureTestingModule({
-      declarations: [ StatusComponent ]
-    })
-    .compileComponents();
-  }));
-
-  beforeEach(() => {
-    fixture = TestBed.createComponent(StatusComponent);
-    component = fixture.componentInstance;
-    fixture.detectChanges();
-  });
-
-  it('should create', () => {
-    expect(component).toBeTruthy();
-  });
-});

src/app/status/status.component.ts

@@ -1,11 +1,10 @@
 import {Component, Inject, OnDestroy, OnInit, PLATFORM_ID} from '@angular/core';
-import {ApiService} from "../_service/api.service";
+import {ApiService} from '../_service/api.service';
-import {Group} from "../_data/data";
+import {Group} from '../_data/data';
-import {interval, Subject} from "rxjs";
+import {interval, Subject} from 'rxjs';
-import {flatMap, startWith, takeUntil} from "rxjs/operators";
+import {takeUntil} from 'rxjs/operators';
-import {DOCUMENT, isPlatformBrowser} from "@angular/common";
+import {DOCUMENT, isPlatformBrowser} from '@angular/common';
-
+import {StorageService} from '../_service/storage.service';
-// import {DOCUMENT} from "@angular/common";
 
 @Component({
   selector: 'app-status',
@@ -14,17 +13,24 @@ import {DOCUMENT, isPlatformBrowser} from "@angular/common";
 })
 export class StatusComponent implements OnInit, OnDestroy {
   readonly stateClasses = {
-    "operational": 'fas fa-fw fa-heart operational mr-2',
+    'operational': 'fas fa-fw fa-heart operational mr-2',
-    "outage": 'fas fa-fw fa-heart-broken outage mr-2',
+    'outage': 'fas fa-fw fa-heart-broken outage mr-2',
-    "maintenance": 'fas fa-fw fa-heartbeat maintenance mr-2'
+    'maintenance': 'fas fa-fw fa-heartbeat maintenance mr-2'
   };
 
   destroyed$ = new Subject();
   groups: Group[];
   lastUpdated: Date;
+  expandedCache: { [id: string]: boolean };
 
-  constructor(private api: ApiService, @Inject(PLATFORM_ID) private platformId: Object,
+  constructor(private api: ApiService, private storage: StorageService,
+              @Inject(PLATFORM_ID) private platformId: Object,
               @Inject(DOCUMENT) private document: Document) {
+    let cache = this.storage.getValue('expanded');
+    if (typeof cache !== 'object') {
+      cache = null;
+    }
+    this.expandedCache = cache || {};
   }
 
   ngOnInit(): void {
@@ -49,4 +55,8 @@ export class StatusComponent implements OnInit, OnDestroy {
     this.destroyed$.next();
     this.destroyed$.complete();
   }
+
+  saveExpandedCache() {
+    this.storage.setValue('expanded', this.expandedCache);
+  }
 }

src/app/uptime/uptime.component.html

@@ -0,0 +1,70 @@
+<div *ngIf="uptime$ | async as uptime; else loadingOrError">
+  <h2 class="m-0">{{'uptime.title' | translate}}</h2>
+
+  <div class="row m-0">
+    <div class="col-6 col-md-3 p-0">
+      <div class="my-4 px-4 border-right">
+        <h1 class="m-0">{{uptime.hours24?.toFixed(2)}}%</h1>
+        {{'uptime.last24hours' | translate}}
+      </div>
+    </div>
+    <div class="col-6 col-md-3 p-0">
+      <div class="my-4 px-4 border-md-right">
+        <h1 class="m-0">{{uptime.days7?.toFixed(2)}}%</h1>
+        {{'uptime.last7days' | translate}}
+      </div>
+    </div>
+    <div class="col-6 col-md-3 p-0">
+      <div class="my-4 px-4 border-right">
+        <h1 class="m-0">{{uptime.days30?.toFixed(2)}}%</h1>
+        {{'uptime.last30days' | translate}}
+      </div>
+    </div>
+    <div class="col-6 col-md-3 p-0">
+      <div class="my-4 px-4">
+        <h1 class="m-0">{{uptime.days90?.toFixed(2)}}%</h1>
+        {{'uptime.last90days' | translate}}
+      </div>
+    </div>
+  </div>
+  <div class="d-flex mb-4" style="height: 2rem">
+    <ng-container *ngFor="let day of uptime.days; index as index">
+      <div class="flex-grow-1" style="margin: 1px"
+           [class.d-none]="index < 60" [class.d-lg-block]="index < 30" [class.d-sm-block]="index >= 30 && index < 60"
+           [class.bg-operational]="day.uptime >= 99" [class.bg-maintenance]="day.uptime < 99 && day.uptime >= 95"
+           [class.bg-outage]="day.uptime < 95"
+           matTooltip="{{day.date | dayjs:'format':'l'}}&#13;{{day.uptime.toFixed(2)}}%" matTooltipPosition="above"
+           [matTooltipShowDelay]="0" [matTooltipHideDelay]="0" matTooltipClass="multiline-tooltip"></div>
+    </ng-container>
+  </div>
+
+  <div *ngIf="uptime.events.length">
+    <h2 class="m-0">{{'recent-events.title' | translate}}</h2>
+    <mat-list>
+      <ng-container *ngFor="let event of uptime.events; index as index; last as last">
+        <mat-list-item *ngIf="index < 4 || expanded">
+          <i mat-list-icon [class]="stateClasses[event.state]"></i>
+          <p matLine>
+            <span *ngIf="event.state === 'operational'"
+                  class="text-truncate">{{'recent-events.operational' | translate}}</span>
+            <span *ngIf="event.state === 'maintenance'"
+                  class="text-truncate">{{'recent-events.maintenance' | translate: {'time': event.date | dayjs:'to':uptime.events[index - 1]?.date} }}</span>
+            <span *ngIf="event.state === 'outage'"
+                  class="text-truncate">{{'recent-events.outage' | translate:{'time': event.date | dayjs:'to':uptime.events[index - 1]?.date} }}</span>
+          </p>
+          <div matLine><small matTooltip="{{event.date | dayjs:'format':'LLL'}}" matTooltipPosition="above"
+                              [matTooltipShowDelay]="0" [matTooltipHideDelay]="0">{{event.date | dayjs:'from'}}</small>
+          </div>
+          <mat-divider [inset]="true"
+                       *ngIf="!(last || uptime.events.length > 4 && !expanded && index >= 3)"></mat-divider>
+        </mat-list-item>
+      </ng-container>
+    </mat-list>
+    <a href="#" class="mt-3" *ngIf="uptime.events.length > 4"
+       (click)="toggleExpanded(); $event.preventDefault()">{{(expanded ? 'show-less' : 'show-all') | translate}}</a>
+  </div>
+</div>
+<ng-template #loadingOrError>
+  <div *ngIf="error">{{error}}</div>
+  <div *ngIf="!error">{{'loading' | translate}}</div>
+</ng-template>

src/app/uptime/uptime.component.ts

@@ -0,0 +1,52 @@
+import {Component, Input, OnInit} from '@angular/core';
+import {Observable, of} from 'rxjs';
+import {UptimeStatus} from '../_data/data';
+import {ApiService} from '../_service/api.service';
+import {catchError} from 'rxjs/operators';
+import {StorageService} from '../_service/storage.service';
+
+@Component({
+  selector: 'app-uptime',
+  templateUrl: './uptime.component.html',
+  styleUrls: ['./uptime.component.scss']
+})
+export class UptimeComponent implements OnInit {
+  @Input() id: string;
+  readonly stateClasses = {
+    'operational': 'fas fa-fw fa-heart operational mr-2',
+    'outage': 'fas fa-fw fa-heart-broken outage mr-2',
+    'maintenance': 'fas fa-fw fa-heartbeat maintenance mr-2'
+  };
+  uptime$: Observable<UptimeStatus>;
+  error: string;
+  expanded: boolean;
+
+  constructor(private api: ApiService, private storage: StorageService) {
+  }
+
+  ngOnInit(): void {
+    if (!this.id) {
+      throw new Error('please pass a service id!');
+    }
+    let value = this.storage.getValue('show-events-' + this.id);
+    console.log(value, typeof value);
+    if (typeof value !== 'boolean') {
+      value = false;
+    }
+    this.expanded = value;
+    this.uptime$ = this.api.getServiceUptime(this.id)
+      .pipe(catchError(err => {
+        if (err.status === 404) {
+          this.error = 'No uptime information available.';
+        } else {
+          this.error = 'An unexpected error occurred: ' + err.error;
+        }
+        return of(null);
+      }));
+  }
+
+  toggleExpanded(): void {
+    this.expanded = !this.expanded;
+    this.storage.setValue('show-events-' + this.id, this.expanded);
+  }
+}

src/assets/i18n/de.json

@@ -0,0 +1,24 @@
+{
+  "state": {
+    "operational": "Funktionsfähig",
+    "maintenance": "Wartung",
+    "outage": "Ausfall"
+  },
+  "uptime": {
+    "title": "Verfügbarkeit",
+    "last24hours": "Letzte 24 Stunden",
+    "last7days": "Letzte 7 Tage",
+    "last30days": "Letzte 30 Tage",
+    "last90days": "Letzte 90 Tage"
+  },
+  "recent-events": {
+    "title": "Letzte Ereignisse",
+    "operational": "Wieder funktionsfähig",
+    "maintenance": "Wartung für {{time}}",
+    "outage": "Ausfall für {{time}}"
+  },
+  "last-updated": "Aktualisiert {{time}}",
+  "loading": "Lade...",
+  "show-all": "Alle anzeigen",
+  "show-less": "Weniger anzeigen"
+}

src/assets/i18n/en.json

@@ -0,0 +1,24 @@
+{
+  "state": {
+    "operational": "Operational",
+    "maintenance": "Maintenance",
+    "outage": "Outage"
+  },
+  "uptime": {
+    "title": "Uptime",
+    "last24hours": "Last 24 hours",
+    "last7days": "Last 7 days",
+    "last30days": "Last 30 days",
+    "last90days": "Last 90 days"
+  },
+  "recent-events": {
+    "title": "Recent events",
+    "operational": "Operational again",
+    "maintenance": "Maintenance for {{time}}",
+    "outage": "Outage for {{time}}"
+  },
+  "last-updated": "Last updated {{time}}",
+  "loading": "Loading...",
+  "show-all": "Show all",
+  "show-less": "Show less"
+}

src/main.status.ts

@@ -1,8 +1,16 @@
 import {json, Router} from 'express';
-import {CurrentStatus, Service, State} from './app/_data/data';
+import {CurrentStatus, State, UptimeStatus} from './app/_data/data';
 import {existsSync, readFileSync, writeFileSync} from 'fs';
 import {join} from 'path';
 import {JSONPath} from 'jsonpath-plus';
+import * as dayjs from 'dayjs';
+import {Dayjs} from 'dayjs';
+import * as utc from 'dayjs/plugin/utc';
+import * as isBetween from 'dayjs/plugin/isBetween';
+import {CronJob} from 'cron';
+
+dayjs.extend(utc);
+dayjs.extend(isBetween);
 
 interface Cache {
   [id: string]: State;
@@ -12,6 +20,12 @@ interface Config {
   authToken: string;
   title: string;
   description: string;
+  translations?: {
+    [lang: string]: {
+      title: string;
+      description: string;
+    }
+  },
   servicesPath?: string;
   idPath?: string;
   statePath?: string;
@@ -46,6 +60,7 @@ const serviceStatePaths: { [service: string]: string } = config.groups
   }, {});
 
 let cache: CurrentStatus;
+let uptimeStates = existsSync(join(process.cwd(), 'uptime.json')) ? JSON.parse(readFileSync(join(process.cwd(), 'uptime.json'), {encoding: 'utf-8'})) : {} as { [id: string]: UptimeStatus; };
 updateCache();
 
 api.post('/update/health', (req, res) => {
@@ -67,17 +82,16 @@ api.post('/update/health', (req, res) => {
 
   services.forEach(s => {
     if (config.stateValues.operational.includes(s.state)) {
-      serviceStates[s.id] = 'operational';
+      updateServiceState(s.id, 'operational');
     } else if (config.stateValues.maintenance.includes(s.state)) {
-      serviceStates[s.id] = 'maintenance';
+      updateServiceState(s.id, 'maintenance');
     } else {
-      serviceStates[s.id] = 'outage';
+      updateServiceState(s.id, 'outage');
     }
   });
 
   updateCache();
-
+  persistCache();
-  writeFileSync('cache.json', JSON.stringify(serviceStates), {encoding: 'utf-8'});
 
   return res.send('OK');
 });
@@ -86,14 +100,23 @@ api.get('/status', (req, res) => {
   return res.json(cache);
 });
 
+api.get('/uptime', (req, res) => {
+  const serviceId = req.query.service as string;
+  const uptime = uptimeStates[serviceId];
+  if (uptime) {
+    return res.json(uptime);
+  }
+  return res.sendStatus(404);
+});
+
 api.get('/badge', (req, res) => {
   const serviceId = req.query.service as string;
   if (!serviceId) {
     return res.json({
-      "schemaVersion": 1,
+      'schemaVersion': 1,
-      "label": "sp-status",
+      'label': 'sp-status',
-      "message": "service not provided",
+      'message': 'service not provided',
-      "isError": true
+      'isError': true
     });
   }
   const service = cache.groups
@@ -101,10 +124,10 @@ api.get('/badge', (req, res) => {
     .find(s => s.id === serviceId);
   if (!service) {
     return res.json({
-      "schemaVersion": 1,
+      'schemaVersion': 1,
-      "label": "sp-status",
+      'label': 'sp-status',
-      "message": "service not found",
+      'message': 'service not found',
-      "isError": true
+      'isError': true
     });
   }
   const label = req.query.label || service.name;
@@ -125,28 +148,51 @@ api.get('/badge', (req, res) => {
       break;
   }
   return res.json({
-    "schemaVersion": 1,
+    'schemaVersion': 1,
-    "label": label,
+    'label': label,
-    "message": message,
+    'message': message,
-    "color": color
+    'color': color
   });
 });
 
 api.get('/info', (req, res) => {
   return res.json({
     title: config.title,
-    description: config.description
+    description: config.description,
+    translations: config.translations
   });
 });
 
+function updateServiceState(id: string, state: string) {
+  if (serviceStates[id] === state) {
+    return;
+  }
+  serviceStates[id] = state;
+  if (!uptimeStates[id]) {
+    uptimeStates[id] = {
+      days: [],
+      events: []
+    };
+  }
+  if (uptimeStates[id].events.length === 0 && state !== 'operational' ||
+    uptimeStates[id].events.length > 0 && uptimeStates[id].events[0].state !== state) {
+    uptimeStates[id].events.unshift({state: state, date: new Date()});
+    console.log(`${id} changed to ${state}`);
+  }
+}
+
 function updateCache(): void {
+  updateUptime();
+
   const groups = config.groups.map(group => {
     const services = group.services.map(service => {
+      const uptime = uptimeStates[service.id];
       return {
         id: service.id,
         name: service.name,
         url: service.url,
-        state: serviceStates[service.id] || 'operational'
+        state: serviceStates[service.id] || 'operational',
+        uptime: uptime ? uptime.days30 : 100
       };
     });
     return {
@@ -163,8 +209,151 @@ function updateCache(): void {
   };
 }
 
+function updateUptime() {
+  const now = dayjs.utc();
+  const today = now.startOf('d');
+  const eventLimit = now.subtract(7, 'd');
+  for (const id in uptimeStates) {
+    if (uptimeStates.hasOwnProperty(id)) {
+      const uptime = uptimeStates[id] as UptimeStatus;
+      if (uptime.days.length < 90) {
+        for (let i = 0; i < 90; i++) {
+          uptime.days.push({date: today.subtract(90 - i, 'd').toDate(), uptime: 100})
+        }
+      }
+      if (today.diff(dayjs.utc(uptime.days[uptime.days.length - 1].date), 'd') >= 1) {
+        uptime.days.push({date: today.toDate(), uptime: 0});
+      }
+      if (uptime.days.length > 90) {
+        uptime.days.splice(0, uptime.days.length - 90);
+      }
+      for (let i = uptime.days.length - 3; i < uptime.days.length; i++) {
+        const start = dayjs.utc(uptime.days[i].date);
+        let end = start.add(1, 'd');
+        if (end.isAfter(now)) {
+          end = now;
+        }
+        uptime.days[i].uptime = calculateUptime(start, end, uptime.events);
+      }
+      uptime.hours24 = calculateUptime(now.subtract(24, 'h'), now, uptime.events);
+      uptime.days7 = uptime.days.slice(uptime.days.length - 7, uptime.days.length).map(e => e.uptime).reduce((a, b) => a + b) / 7;
+      uptime.days30 = uptime.days.slice(uptime.days.length - 30, uptime.days.length).map(e => e.uptime).reduce((a, b) => a + b) / 30;
+      uptime.days90 = uptime.days.slice(uptime.days.length - 90, uptime.days.length).map(e => e.uptime).reduce((a, b) => a + b) / 90;
+      uptime.events = uptime.events.filter(e => dayjs.utc(e.date).isAfter(eventLimit));
+      if (uptime.events.length > 0 && uptime.events[uptime.events.length - 1].state === 'operational') {
+        uptime.events.pop();
+      }
+    }
+  }
+}
+
+function calculateUptime(start: Dayjs, end: Dayjs, events: { state: State; date: Date; }[]): number {
+  if (events.filter(event => dayjs.utc(event.date).isBetween(start, end)).length == 0) {
+    const lastEvent = events.filter(event => dayjs.utc(event.date).isBefore(start))[0];
+    if (lastEvent && lastEvent.state !== 'operational') {
+      return 0;
+    }
+    return 100;
+  }
+  let uptimeMillis = 0;
+  let newestEventDate;
+  for (let i = events.length - 1; i >= 0; i--) {
+    const event = events[i];
+    const eventDate = dayjs.utc(event.date);
+    const lastEvent = events[i + 1];
+    let lastEventDate = lastEvent ? dayjs.utc(lastEvent.date) : start;
+    if (lastEventDate.isBefore(start)) {
+      lastEventDate = start;
+    }
+    if (eventDate.isBetween(start, end)) {
+      if (event.state === 'operational') {
+        newestEventDate = eventDate;
+      } else if (!lastEvent || lastEvent.state === 'operational') {
+        newestEventDate = null;
+        uptimeMillis += eventDate.diff(lastEventDate, 'ms');
+      }
+    }
+  }
+  if (newestEventDate) {
+    uptimeMillis += end.diff(newestEventDate, 'ms');
+  }
+  return uptimeMillis / end.diff(start, 'ms') * 100;
+}
+
 function calculateOverallState(states: State[]): State {
   return states.includes('outage') ? 'outage' : states.includes('maintenance') ? 'maintenance' : 'operational';
 }
 
+function persistCache() {
+  writeFileSync('cache.json', JSON.stringify(serviceStates), {encoding: 'utf-8'});
+  writeFileSync('uptime.json', JSON.stringify(uptimeStates), {encoding: 'utf-8'});
+}
+
+new CronJob('0 * * * * *', () => updateCache(), null, true, 'UTC').start();
+new CronJob('0 0 * * * *', () => persistCache(), null, true, 'UTC').start();
+
+
+api.get('/test', (req, res) => {
+  return res.json({
+    '50_5': calculateUptime(dayjs.utc('2020-01-02'), dayjs.utc('2020-01-03'), [{
+      state: 'outage',
+      date: new Date('2020-01-03T12:00:00.000Z')
+    }, {
+      state: 'operational',
+      date: new Date('2020-01-02T18:00:00.000Z')
+    }, {
+      state: 'outage',
+      date: new Date('2020-01-02T06:00:00.000Z')
+    }, {
+      state: 'operational',
+      date: new Date('2020-01-01T12:00:00.000Z')
+    }]),
+    '50_4': calculateUptime(dayjs.utc('2020-01-02'), dayjs.utc('2020-01-03'), [{
+      state: 'operational',
+      date: new Date('2020-01-02T18:00:00.000Z')
+    }, {
+      state: 'outage',
+      date: new Date('2020-01-02T06:00:00.000Z')
+    }, {
+      state: 'operational',
+      date: new Date('2020-01-01T12:00:00.000Z')
+    }]),
+    '50_3': calculateUptime(dayjs.utc('2020-01-02'), dayjs.utc('2020-01-03'), [{
+      state: 'outage',
+      date: new Date('2020-01-02T12:00:00.000Z')
+    }, {
+      state: 'operational',
+      date: new Date('2020-01-01T12:00:00.000Z')
+    }]),
+    '50_2': calculateUptime(dayjs.utc('2020-01-02'), dayjs.utc('2020-01-03'), [{
+      state: 'outage',
+      date: new Date('2020-01-02T18:00:00.000Z')
+    }, {
+      state: 'operational',
+      date: new Date('2020-01-02T06:00:00.000Z')
+    }]),
+    '50_1': calculateUptime(dayjs.utc('2020-01-02'), dayjs.utc('2020-01-03'), [{
+      state: 'operational',
+      date: new Date('2020-01-02T12:00:00.000Z')
+    }, {
+      state: 'outage',
+      date: new Date('2020-01-01T12:00:00.000Z')
+    }]),
+    '50_0': calculateUptime(dayjs.utc('2020-01-01'), dayjs.utc('2020-01-02'), [{
+      state: 'operational',
+      date: new Date('2020-01-01T12:00:00.000Z')
+    }]),
+    '75': calculateUptime(dayjs.utc('2020-01-01'), dayjs.utc('2020-01-02'), [{
+      state: 'operational',
+      date: new Date('2020-01-01T06:00:00.000Z')
+    }]),
+    '100': calculateUptime(dayjs.utc('2020-01-01'), dayjs.utc('2020-01-02'), []),
+    '0': calculateUptime(dayjs.utc('2020-01-02'), dayjs.utc('2020-01-03'), [{
+      state: 'outage',
+      date: new Date('2020-01-01T12:00:00.000Z')
+    }]),
+    'test': calculateUptime(dayjs.utc('2020-01-07'), dayjs.utc(), [{state: 'outage', date: new Date('2021-01-07T13:54:32.705Z')}])
+  });
+});
+
 export {api};

src/styles.scss

@@ -3,8 +3,17 @@
 @import "~bootstrap/scss/mixins";
 @import "~bootstrap/scss/utilities";
 @import "~bootstrap/scss/bootstrap-grid";
-@import "~@fortawesome/fontawesome-free/css/all.css";
+@import "~bootstrap/scss/functions";
+@import "~bootstrap/scss/variables";
+@import "~bootstrap/scss/mixins/_breakpoints";
 @import "~roboto-fontface/css/roboto/roboto-fontface.css";
+$fa-font-path: "~@fortawesome/fontawesome-free/webfonts";
+@import "~@fortawesome/fontawesome-free/scss/fontawesome";
+@import "~@fortawesome/fontawesome-free/scss/solid";
+@import "~@fortawesome/fontawesome-free/scss/brands";
+@import "~@fortawesome/fontawesome-free/scss/regular";
+$flag-icon-css-path: '~flag-icon-css/flags' !default;
+@import "~flag-icon-css/sass/flag-icon";
 
 @import '~@angular/material/theming';
 
@@ -207,7 +216,8 @@ $mat-warn: (
     darker: $light-primary-text,
   )
 );
-$theme-warn: mat-palette($mat-warn, main, lighter, darker);;
+$theme-warn: mat-palette($mat-warn, main, lighter, darker);
+;
 
 $theme: mat-dark-theme($theme-primary, $theme-accent, $theme-warn);
 $altTheme: mat-light-theme($theme-primary, $theme-accent, $theme-warn);
@@ -244,3 +254,47 @@ body {
   background-color: #222222;
   color: #ffffff;
 }
+
+.multiline-tooltip {
+  white-space: pre-line;
+}
+
+.operational {
+  color: #7ed321;
+}
+
+.outage {
+  color: #ff6f6f;
+}
+
+.maintenance {
+  color: #f7ca18;
+}
+
+.bg-operational {
+  background-color: #7ed321;
+}
+
+.bg-outage {
+  background-color: #ff6f6f;
+}
+
+.bg-maintenance {
+  background-color: #f7ca18;
+}
+
+a {
+  color: #cccccc;
+  text-decoration: none;
+
+  &:hover {
+    color: #ffffff;
+    text-decoration: underline;
+  }
+}
+
+@include media-breakpoint-up(md) {
+  .border-md-right {
+    border-right: $border-width solid $border-color !important;
+  }
+}