--- /dev/null
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 AT&T Intellectual Property
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================LICENSE_END===================================
+ */
+
+ import { Injectable } from '@angular/core';
+ import { HttpClient } from '@angular/common/http';
+ import { Observable } from 'rxjs';
+ import { map } from 'rxjs/operators';
+import { ACAdmissionIntervalControl, ACAdmissionIntervalControlAck } from '../../interfaces/ac-xapp.types';
+import { DashboardSuccessTransport } from '../../interfaces/dashboard.types';
+
+/**
+ * Services for calling the Dashboard's A1 endpoints to get/put AC policies.
+ */
+@Injectable({
+ providedIn: 'root'
+})
+export class ACXappService {
+
+ private basePath = 'api/a1-p';
+ private policyPath = 'policies';
+ private acPolicyName = 'admission_control_policy';
+
+ private buildPath(...args: any[]) {
+ let result = this.basePath;
+ args.forEach(part => {
+ result = result + '/' + part;
+ });
+ return result;
+ }
+
+ constructor(private httpClient: HttpClient) {
+ // injects to variable httpClient
+ }
+
+ /**
+ * Gets version details
+ * @returns Observable that should yield a String
+ */
+ getVersion(): Observable<string> {
+ const url = this.buildPath('version');
+ return this.httpClient.get<DashboardSuccessTransport>(url).pipe(
+ // Extract the string here
+ map(res => res['data'])
+ );
+ }
+
+ /**
+ * Gets admission control policy.
+ * @returns Observable that should yield an ACAdmissionIntervalControl
+ */
+ getPolicy(): Observable<ACAdmissionIntervalControl> {
+ const url = this.buildPath(this.policyPath, this.acPolicyName);
+ return this.httpClient.get<ACAdmissionIntervalControl>(url);
+ }
+
+ /**
+ * Puts admission control policy.
+ * @param policy an instance of ACAdmissionIntervalControl
+ * @returns Observable that should yield a response code, no data
+ */
+ putPolicy(policy: ACAdmissionIntervalControl): Observable<any> {
+ const url = this.buildPath(this.policyPath, this.acPolicyName);
+ return this.httpClient.put<ACAdmissionIntervalControlAck>(url, policy, { observe: 'response' });
+ }
+
+}