107 lines
3.0 KiB
TypeScript
107 lines
3.0 KiB
TypeScript
import { Injectable, isDevMode } from '@angular/core';
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import {HttpClient, HttpHeaders} from '@angular/common/http';
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import {LocalStorageService} from 'angular-2-local-storage';
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import {Observable} from 'rxjs';
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import {ErrorComponent} from '../error/error.component';
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import {ModalService} from '@inst-iot/bosch-angular-ui-components';
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@Injectable({
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providedIn: 'root'
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})
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export class ApiService {
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private host: string;
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constructor(
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private http: HttpClient,
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private storage: LocalStorageService,
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private modalService: ModalService,
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private window: Window
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) {
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if(isDevMode())
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this.host = '/api';
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else if(window.location.hostname === 'definma-test.apps.de1.bosch-iot-cloud.com')
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this.host = 'https://definma-api-test.apps.de1.bosch-iot-cloud.com';
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else
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this.host = 'https://definma-api.apps.de1.bosch-iot-cloud.com';
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}
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get hostName() {
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return this.host;
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}
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// Main HTTP methods
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get<T>(url, f: (data?: T, err?, headers?) => void = () => {}) {
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this.requestErrorHandler<T>(this.http.get(this.url(url), this.options()), f);
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}
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post<T>(url, data = null, f: (data?: T, err?, headers?) => void = () => {}) {
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this.requestErrorHandler<T>(this.http.post(this.url(url), data, this.options()), f);
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}
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put<T>(url, data = null, f: (data?: T, err?, headers?) => void = () => {}) {
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this.requestErrorHandler<T>(this.http.put(this.url(url), data, this.options()), f);
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}
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delete<T>(url, f: (data?: T, err?, headers?) => void = () => {}) {
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this.requestErrorHandler<T>(this.http.delete(this.url(url), this.options()), f);
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}
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// Execute request and handle errors
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private requestErrorHandler<T>(observable: Observable<any>, f: (data?: T, err?, headers?) => void) {
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observable.subscribe(data => { // Successful request
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f(
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data.body,
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undefined,
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data.headers.keys().reduce((s, e) => {s[e.toLowerCase()] = data.headers.get(e); return s; }, {})
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);
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}, err => { // Error
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if (f.length > 1) { // Pass on error
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f(undefined, err, undefined);
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}
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else { // Handle directly
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this.requestError(err);
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}
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});
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}
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requestError(err) { // Network error dialog
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const modalRef = this.modalService.openComponent(ErrorComponent);
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modalRef.instance.message = 'Network request failed!';
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const details = [err.error.status];
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if (err.error.details) {
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details.push(err.error.details);
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}
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modalRef.instance.details = details;
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modalRef.result.then(() => {
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this.window.location.reload();
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});
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}
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private url(url) { // Detect if host was given, otherwise use default host
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if (/http[s]?:\/\//.test(url)) {
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return url;
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}
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else {
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return this.host + url;
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}
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}
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// Generate request options
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private options(): {headers: HttpHeaders, observe: 'body'} {
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return {headers: this.authOptions(), observe: 'response' as 'body'};
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}
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// Generate Basic Auth
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private authOptions(): HttpHeaders {
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const auth = this.storage.get('basicAuth');
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if (auth) {
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return new HttpHeaders({Authorization: 'Basic ' + auth});
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}
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else {
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return new HttpHeaders();
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}
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}
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}
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