added last downtime log (closes #55)

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

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 {CurrentStatus, MetaInfo} from "../_data/data";
-import {HttpClient} from "@angular/common/http";
-import {environment} from "../../environments/environment";
-import {isPlatformBrowser} from "@angular/common";
+import {Observable, of} from 'rxjs';
+import {CurrentStatus, MetaInfo, UptimeStatus} from '../_data/data';
+import {HttpClient} from '@angular/common/http';
+import {environment} from '../../environments/environment';
+import {isPlatformBrowser} from '@angular/common';
 
 @Injectable({
   providedIn: 'root'
@@ -16,10 +16,14 @@ export class ApiService {
   }
 
   public getServiceStates(): Observable<CurrentStatus> {
-    return this.http.get<CurrentStatus>(this.api+ '/status');
+    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');
+    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) {
+      }
+    }
+  }
+}