82 lines
2.9 KiB
TypeScript
82 lines
2.9 KiB
TypeScript
///
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/// Copyright © 2016-2021 The Thingsboard Authors
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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import { Injectable } from '@angular/core';
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import { HttpClient } from '@angular/common/http';
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import { PageLink } from '@shared/models/page/page-link';
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import { defaultHttpOptionsFromConfig, RequestConfig } from '@core/http/http-utils';
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import { Observable } from 'rxjs';
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import { PageData } from '@shared/models/page/page-data';
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import { Resource, ResourceInfo } from '@shared/models/resource.models';
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import { map } from 'rxjs/operators';
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@Injectable({
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providedIn: 'root'
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})
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export class ResourceService {
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constructor(
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private http: HttpClient
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) {
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}
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public getResources(pageLink: PageLink, config?: RequestConfig): Observable<PageData<ResourceInfo>> {
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return this.http.get<PageData<ResourceInfo>>(`/api/resource${pageLink.toQuery()}`,
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defaultHttpOptionsFromConfig(config));
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}
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public getResource(resourceId: string, config?: RequestConfig): Observable<Resource> {
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return this.http.get<Resource>(`/api/resource/${resourceId}`, defaultHttpOptionsFromConfig(config));
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}
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public downloadResource(resourceId: string): Observable<any> {
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return this.http.get(`/api/resource/${resourceId}/download`, { responseType: 'arraybuffer', observe: 'response' }).pipe(
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map((response) => {
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const headers = response.headers;
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const filename = headers.get('x-filename');
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const contentType = headers.get('content-type');
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const linkElement = document.createElement('a');
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try {
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const blob = new Blob([response.body], { type: contentType });
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const url = URL.createObjectURL(blob);
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linkElement.setAttribute('href', url);
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linkElement.setAttribute('download', filename);
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const clickEvent = new MouseEvent('click',
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{
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view: window,
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bubbles: true,
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cancelable: false
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}
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);
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linkElement.dispatchEvent(clickEvent);
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return null;
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} catch (e) {
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throw e;
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}
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})
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);
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}
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public saveResource(resource: Resource, config?: RequestConfig): Observable<Resource> {
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return this.http.post<Resource>('/api/resource', resource, defaultHttpOptionsFromConfig(config));
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}
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public deleteResource(resourceId: string, config?: RequestConfig) {
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return this.http.delete(`/api/resource/${resourceId}`, defaultHttpOptionsFromConfig(config));
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}
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}
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