webapp-frontend/src/app/policy/policy-instance/policy-instance.component.ts

   1 /*-
   2  * ========================LICENSE_START=================================
   3  * O-RAN-SC
   4  * %%
   5  * Copyright (C) 2019 Nordix Foundation
   6  * %%
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ========================LICENSE_END===================================
  19  */
  20
  21 import { MatSort, Sort } from '@angular/material/sort';
  22 import { Component, OnInit, ViewChild, Input, AfterViewInit } from '@angular/core';
  23 import { MatDialog } from '@angular/material/dialog';
  24 import { PolicyTypeSchema } from '@interfaces/policy.types';
  25 import { PolicyInstanceDataSource } from './policy-instance.datasource';
  26 import { ErrorDialogService } from '@services/ui/error-dialog.service';
  27 import { NotificationService } from '@services/ui/notification.service';
  28 import { PolicyService } from '@services/policy/policy.service';
  29 import { ConfirmDialogService } from '@services/ui/confirm-dialog.service';
  30 import { PolicyInstance } from '@interfaces/policy.types';
  31 import { PolicyInstanceDialogComponent } from '../policy-instance-dialog/policy-instance-dialog.component';
  32 import { getPolicyDialogProperties } from '../policy-instance-dialog/policy-instance-dialog.component';
  33 import { HttpErrorResponse, HttpResponse } from '@angular/common/http';
  34 import { BehaviorSubject, Observable } from 'rxjs';
  35 import { UiService } from '@services/ui/ui.service';
  36 import { FormControl, FormGroup } from '@angular/forms';
  37 import { MatTableDataSource } from '@angular/material/table';
  38
  39 class PolicyTypeInfo {
  40   constructor(public type: PolicyTypeSchema) { }
  41
  42   isExpanded: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
  43 }
  44
  45 @Component({
  46     selector: 'nrcp-policy-instance',
  47     templateUrl: './policy-instance.component.html',
  48     styleUrls: ['./policy-instance.component.scss']
  49 })
  50
  51
  52 export class PolicyInstanceComponent implements OnInit, AfterViewInit {
  53     policyInstanceDataSource: PolicyInstanceDataSource;
  54     @Input() policyTypeSchema: PolicyTypeSchema;
  55     @Input() expanded: Observable<boolean>;
  56     @ViewChild(MatSort, { static: true }) sort: MatSort;
  57     policyTypeInfo = new Map<string, PolicyTypeInfo>();
  58     instanceDataSource: MatTableDataSource<PolicyInstance> = new MatTableDataSource<PolicyInstance>();
  59     policyInstanceForm: FormGroup;
  60     darkMode: boolean;
  61
  62     constructor(
  63         private policySvc: PolicyService,
  64         private dialog: MatDialog,
  65         private errorDialogService: ErrorDialogService,
  66         private notificationService: NotificationService,
  67         private confirmDialogService: ConfirmDialogService,
  68         private ui: UiService) {
  69             this.policyInstanceForm = new FormGroup({
  70                 id: new FormControl(''),
  71                 target: new FormControl(''),
  72                 owner: new FormControl(''),
  73                 lastModified: new FormControl('')
  74             })
  75     }
  76
  77     ngOnInit() {
  78         this.policyInstanceDataSource = new PolicyInstanceDataSource(this.policySvc, this.sort, this.notificationService, this.policyTypeSchema.id);
  79         this.expanded.subscribe((isExpanded: boolean) => this.onExpand(isExpanded));
  80
  81         this.policyInstanceDataSource.connect().subscribe((data) => {
  82             this.instanceDataSource.data = data;
  83         })
  84
  85         this.policyInstanceForm.valueChanges.subscribe(value => {
  86             const filter = {...value, id: value.id.trim().toLowerCase()} as string;
  87             this.instanceDataSource.filter = filter;
  88         });
  89
  90         this.instanceDataSource.filterPredicate = ((data: PolicyInstance, filter) => {
  91             return this.isDataIncluding(data.policy_id, filter.id)
  92                 && this.isDataIncluding(data.ric_id, filter.target)
  93                 && this.isDataIncluding(data.service_id, filter.owner)
  94                 && this.isDataIncluding(data.lastModified, filter.lastModified);
  95           }) as (data: PolicyInstance, filter: any) => boolean;
  96
  97         this.ui.darkModeState.subscribe((isDark) => {
  98             this.darkMode = isDark;
  99         });
 100     }
 101
 102     compare(a: any, b: any, isAsc: boolean) {
 103       return (a < b ? -1 : 1) * (isAsc ? 1 : -1);
 104     }
 105
 106     stopSort(event: any){
 107         event.stopPropagation();
 108     }
 109
 110     isDataIncluding(data: string, filter: string) : boolean {
 111         return !filter || data.toLowerCase().includes(filter);
 112     }
 113
 114     ngAfterViewInit() {
 115         this.policyInstanceDataSource.sort = this.sort;
 116     }
 117
 118     private onExpand(isExpanded: boolean) {
 119         if (isExpanded) {
 120             this.policyInstanceDataSource.getPolicyInstances();
 121         }
 122     }
 123
 124     private isSchemaEmpty(): boolean {
 125         return this.policyTypeSchema.schemaObject === '{}';
 126     }
 127
 128     modifyInstance(instance: PolicyInstance): void {
 129         this.policySvc.getPolicyInstance(instance.policy_id).subscribe(
 130             (refreshedJson: any) => {
 131                 instance = refreshedJson;
 132                 this.dialog.open(
 133                     PolicyInstanceDialogComponent,
 134                     getPolicyDialogProperties(this.policyTypeSchema, instance, this.darkMode)).afterClosed().subscribe(
 135                         (_: any) => {
 136                             this.policyInstanceDataSource.getPolicyInstances();
 137                         }
 138                     );
 139             },
 140             (httpError: HttpErrorResponse) => {
 141                 this.notificationService.error('Could not refresh instance. Please try again.' + httpError.message);
 142             }
 143         );
 144     }
 145
 146     hasInstances(): boolean {
 147         return this.policyInstanceDataSource.rowCount > 0;
 148     }
 149
 150     nbInstances(): number {
 151         return this.policyInstanceDataSource.policyInstances.length;
 152     }
 153
 154     toLocalTime(utcTime: string): string {
 155         const date = new Date(utcTime);
 156         const toutc = date.toUTCString();
 157         return new Date(toutc + ' UTC').toLocaleString();
 158
 159     }
 160
 161     createPolicyInstance(policyTypeSchema: PolicyTypeSchema): void {
 162         let dialogRef = this.dialog.open(PolicyInstanceDialogComponent,
 163             getPolicyDialogProperties(policyTypeSchema, null, this.darkMode));
 164         const info: PolicyTypeInfo = this.getPolicyTypeInfo(policyTypeSchema);
 165         dialogRef.afterClosed().subscribe(
 166             (_) => {
 167                 info.isExpanded.next(info.isExpanded.getValue());
 168             }
 169         );
 170     }
 171
 172     deleteInstance(instance: PolicyInstance): void {
 173         this.confirmDialogService
 174             .openConfirmDialog('Are you sure you want to delete this policy instance?')
 175             .afterClosed().subscribe(
 176                 (res: any) => {
 177                     if (res) {
 178                         this.policySvc.deletePolicy(instance.policy_id)
 179                             .subscribe(
 180                                 (response: HttpResponse<Object>) => {
 181                                     switch (response.status) {
 182                                         case 204:
 183                                             this.notificationService.success('Delete succeeded!');
 184                                             this.policyInstanceDataSource.getPolicyInstances();
 185                                             break;
 186                                         default:
 187                                             this.notificationService.warn('Delete failed ' + response.status + ' ' + response.body);
 188                                     }
 189                                 },
 190                                 (error: HttpErrorResponse) => {
 191                                     this.errorDialogService.displayError(error.statusText + ', ' + error.error);
 192                                 });
 193                     }
 194                 });
 195     }
 196
 197     getPolicyTypeInfo(policyTypeSchema: PolicyTypeSchema): PolicyTypeInfo {
 198         let info: PolicyTypeInfo = this.policyTypeInfo.get(policyTypeSchema.name);
 199         if (!info) {
 200             info = new PolicyTypeInfo(policyTypeSchema);
 201             this.policyTypeInfo.set(policyTypeSchema.name, info);
 202         }
 203         return info;
 204     }
 205
 206     refreshTable() {
 207         this.policyInstanceDataSource.getPolicyInstances();
 208     }
 209 }