#35 added basic rest service

devday/src/app/services/basic-rest.service.spec.ts

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

devday/src/app/services/basic-rest.service.ts

@@ -0,0 +1,213 @@
+import {
+  HttpClient,
+  HttpParams,
+  HttpHeaders,
+  HttpResponse
+} from '@angular/common/http';
+import { Injectable, isDevMode } from '@angular/core';
+import { Observable } from 'rxjs';
+import { tap } from 'rxjs/operators';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class BasicRestService {
+
+  constructor(
+    private httpClient: HttpClient
+  ) {
+  }
+
+  /**
+   * Does a basic HTTP-GET request against a given path.
+   * @param path the path the request is fired to
+   * Returns Observable which can be subscribed to
+   */
+  public get<T>(path: string, options?: {
+    headers?: HttpHeaders | {
+        [header: string]: string | string[];
+    };
+    observe?: 'body';
+    params?: HttpParams | {
+        [param: string]: string | string[];
+    };
+    reportProgress?: boolean;
+    responseType?: 'json';
+    withCredentials?: boolean;
+  }): Observable<T> {
+    return this.httpClient.get<T>(path, options).pipe(
+      tap(
+        () => {
+          if (isDevMode()) {
+            console.log('⬇ GET success ' + path);
+          }
+
+        }
+      )
+    );
+  }
+
+  /**
+   * Does a basic HTTP-GET request against a given path.
+   * @param path the path the request is fired to
+   * Returns Observable which can be subscribed to
+   */
+  public getRaw(path: string, options?: {
+    headers?: HttpHeaders | {
+        [header: string]: string | string[];
+    };
+    observe?: 'body';
+    params?: HttpParams | {
+        [param: string]: string | string[];
+    };
+    reportProgress?: boolean;
+    responseType: 'text';
+    withCredentials?: boolean;
+  }): Observable<string> {
+    return this.httpClient.get(path, {responseType: 'text'}).pipe(
+      tap(
+        () => {
+          if (isDevMode()) {
+            console.log('GET success ' + path);
+          }
+
+        }
+      )
+    );
+  }
+
+  getBlob(url: string, options: {
+    headers?: HttpHeaders | {
+        [header: string]: string | string[];
+    };
+    observe: 'response';
+    params?: HttpParams | {
+        [param: string]: string | string[];
+    };
+    reportProgress?: boolean;
+    responseType: 'blob';
+    withCredentials?: boolean;
+  }): Observable<HttpResponse<Blob>> {
+    return this.httpClient.get(url, options)
+  }
+
+    /**
+     * Constructs a `GET` request that interprets the body as a JSON object and
+     * returns the full `HTTPResponse`.
+     *
+     * @param url     The endpoint URL.
+     * @param options The HTTP options to send with the request.
+     *
+     * @return An `Observable` of the full `HTTPResponse` for the request,
+     * with a response body in the requested type.
+     */
+  getWithHeaders<T>(path: string, options: {
+      headers?: HttpHeaders | {
+          [header: string]: string | string[];
+      };
+      observe: 'response';
+      params?: HttpParams | {
+          [param: string]: string | string[];
+      };
+      reportProgress?: boolean;
+      responseType?: 'json';
+      withCredentials?: boolean;
+  }): Observable<HttpResponse<T>> {
+    return this.httpClient.get<T>(path, options).pipe(
+      tap(
+        () => {
+          if (isDevMode()) {
+            console.log('GET success ' + path);
+          }
+
+        }
+      )
+    );
+  }
+
+  /**
+   * Sends given data with a HTTP-POST request to a given path
+   * @param path the path the request is fired to
+   * @param data the post data which is send to the given path
+   * Returns Observable which can be subscribed to
+   */
+  public post<T>(path: string, data: any, options?: {
+    headers?: HttpHeaders | {
+        [header: string]: string | string[];
+    };
+    observe?: 'body';
+    params?: HttpParams | {
+        [param: string]: string | string[];
+    };
+    reportProgress?: boolean;
+    responseType?: 'json';
+    withCredentials?: boolean;
+  }): Observable<T> {
+    return this.httpClient.post<T>(path, data, options).pipe(
+      tap(
+        () => {
+          if (isDevMode()) {
+            console.log('POST success' + path);
+          }
+        }
+      )
+    );
+  }
+
+  /**
+   * Sends given data with a HTTP-PUT request to a given path.
+   * @param path the path the request is fired to
+   * @param data the put data which is send to the given path
+   * Returns Observable which can be subscribed to
+   */
+  public put<T>(path: string, data: any, options?: {
+    headers?: HttpHeaders | {
+        [header: string]: string | string[];
+    };
+    observe?: 'body';
+    params?: HttpParams | {
+        [param: string]: string | string[];
+    };
+    reportProgress?: boolean;
+    responseType?: 'json';
+    withCredentials?: boolean;
+  }): Observable<T> {
+    return this.httpClient.put<T>(path, data, options).pipe(
+      tap(
+        () => {
+          if (isDevMode()) {
+            console.log('Put success' + path);
+          }
+        }
+      )
+    );
+  }
+
+  /**
+   * Sends a HTTP-DELETE requst to a given path
+   * @param path the path the request is fired to
+   * Returns Observable which can be subscribed to
+   */
+  public delete<T>(path: string, options?: {
+    headers?: HttpHeaders | {
+        [header: string]: string | string[];
+    };
+    observe?: 'body';
+    params?: HttpParams | {
+        [param: string]: string | string[];
+    };
+    reportProgress?: boolean;
+    responseType?: 'json';
+    withCredentials?: boolean;
+  }): Observable<T> {
+    return this.httpClient.delete<T>(path, options).pipe(
+      tap(
+        () => {
+          if (isDevMode()) {
+            console.log('DELETE success' + path);
+          }
+        }
+      )
+    );
+  }
+}