Initial Commit - NG UI
[osm/NG-UI.git] / src / app / instances / vnf-instances / VNFInstancesComponent.ts
diff --git a/src/app/instances/vnf-instances/VNFInstancesComponent.ts b/src/app/instances/vnf-instances/VNFInstancesComponent.ts
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+/*
+ Copyright 2020 TATA ELXSI
+
+ 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.
+
+ Author: KUMARAN M (kumaran.m@tataelxsi.co.in), RAJESH S (rajesh.s@tataelxsi.co.in), BARATH KUMAR R (barath.r@tataelxsi.co.in)
+*/
+/**
+ * @file NVF Instance Component
+ */
+import { Component, Injector, OnInit } from '@angular/core';
+import { TranslateService } from '@ngx-translate/core';
+import { ERRORDATA } from 'CommonModel';
+import { DataService } from 'DataService';
+import { environment } from 'environment';
+import { LocalDataSource } from 'ng2-smart-table';
+import { RestService } from 'RestService';
+import { Subscription } from 'rxjs';
+import { SharedService } from 'SharedService';
+import { VNFInstanceData, VNFInstanceDetails } from 'VNFInstanceModel';
+import { VNFInstancesActionComponent } from 'VNFInstancesActionComponent';
+import { VNFLinkComponent } from 'VNFLinkComponent';
+
+/**
+ * Creating component
+ * @Component takes VNFInstancesComponent.html as template url
+ */
+@Component({
+    templateUrl: './VNFInstancesComponent.html',
+    styleUrls: ['./VNFInstancesComponent.scss']
+})
+/** Exporting a class @exports VNFInstancesComponent */
+export class VNFInstancesComponent implements OnInit {
+    /** To inject services @public */
+    public injector: Injector;
+
+    /** smart table data service collections @public */
+    public dataSource: LocalDataSource = new LocalDataSource();
+
+    /** Instance component are stored in settings @public */
+    public settings: {} = {};
+
+    /** Contains objects for menu settings @public */
+    public columnList: {} = {};
+
+    /** vnf instance array @public */
+    public vnfInstanceData: {}[] = [];
+
+    /** selected rows array @public */
+    public selectedRows: string[] = [];
+
+    /** selected list array @public */
+    public selectList: string[] = [];
+
+    /** Check the loading results @public */
+    public isLoadingResults: boolean = true;
+
+    /** Give the message for the loading @public */
+    public message: string = 'PLEASEWAIT';
+
+    /** Class for empty and present data @public */
+    public checkDataClass: string;
+
+    /** Utilizes rest service for any CRUD operations @private */
+    private restService: RestService;
+
+    /** packages data service collections @private */
+    private dataService: DataService;
+
+    /** Contains all methods related to shared @private */
+    private sharedService: SharedService;
+
+    /** Contains tranlsate instance @private */
+    private translateService: TranslateService;
+
+    /** Instance of subscriptions @private */
+    private generateDataSub: Subscription;
+
+    constructor(injector: Injector) {
+        this.injector = injector;
+        this.restService = this.injector.get(RestService);
+        this.dataService = this.injector.get(DataService);
+        this.sharedService = this.injector.get(SharedService);
+        this.translateService = this.injector.get(TranslateService);
+    }
+
+    /**
+     * Lifecyle Hooks the trigger before component is instantiate
+     */
+    public ngOnInit(): void {
+        this.generateTableColumn();
+        this.generateTableSettings();
+        this.generateData();
+        this.generateDataSub = this.sharedService.dataEvent.subscribe(() => { this.generateData(); });
+    }
+
+    /** Generate smart table row title and filters @public  */
+    public generateTableSettings(): void {
+        this.settings = {
+            actions: { add: false, edit: false, delete: false, position: 'right' },
+            columns: this.columnList,
+            attr: this.sharedService.tableClassConfig(),
+            pager: this.sharedService.paginationPagerConfig(),
+            noDataMessage: this.translateService.instant('NODATAMSG')
+        };
+    }
+
+    /** Generate smart table row title and filters @public  */
+    public generateTableColumn(): void {
+        this.columnList = {
+            identifier: { title: this.translateService.instant('IDENTIFIER'), width: '25%', sortDirection: 'asc' },
+            VNFD: {
+                title: this.translateService.instant('VNFD'), width: '20%', type: 'custom',
+                valuePrepareFunction: (cell: VNFInstanceData, row: VNFInstanceData): VNFInstanceData => row,
+                renderComponent: VNFLinkComponent
+            },
+            MemberIndex: { title: this.translateService.instant('MEMBERINDEX'), width: '15%' },
+            NS: { title: this.translateService.instant('NS'), width: '20%' },
+            CreatedAt: { title: this.translateService.instant('CREATEDAT'), width: '15%' },
+            Actions: {
+                name: 'Action', width: '5%', filter: false, sort: false, type: 'custom',
+                title: this.translateService.instant('ACTIONS'),
+                valuePrepareFunction: (cell: VNFInstanceData, row: VNFInstanceData): VNFInstanceData => row,
+                renderComponent: VNFInstancesActionComponent
+            }
+        };
+    }
+
+    /** generateData initiate the vnf-instance list */
+    public generateData(): void {
+        this.isLoadingResults = true;
+        this.restService.getResource(environment.VNFINSTANCES_URL).subscribe((vnfInstancesData: VNFInstanceDetails[]) => {
+            this.vnfInstanceData = [];
+            vnfInstancesData.forEach((vnfInstanceData: VNFInstanceDetails) => {
+                const vnfDataObj: {} =
+                {
+                    VNFD: vnfInstanceData['vnfd-ref'],
+                    identifier: vnfInstanceData._id,
+                    MemberIndex: vnfInstanceData['member-vnf-index-ref'],
+                    NS: vnfInstanceData['nsr-id-ref'],
+                    VNFID: vnfInstanceData['vnfd-id'],
+                    CreatedAt: this.sharedService.convertEpochTime(Number(vnfInstanceData['created-time']))
+                };
+                this.vnfInstanceData.push(vnfDataObj);
+            });
+            if (this.vnfInstanceData.length > 0) {
+                this.checkDataClass = 'dataTables_present';
+            } else {
+                this.checkDataClass = 'dataTables_empty';
+            }
+            this.dataSource.load(this.vnfInstanceData).then((data: {}) => {
+                this.isLoadingResults = false;
+            }).catch();
+        }, (error: ERRORDATA) => {
+            this.restService.handleError(error, 'get');
+            this.isLoadingResults = false;
+        });
+    }
+
+    /** smart table listing manipulation @public */
+    public onChange(perPageValue: number): void {
+        this.dataSource.setPaging(1, perPageValue, true);
+    }
+
+    /** smart table listing manipulation @public */
+    public onUserRowSelect(event: MessageEvent): void {
+        Object.assign(event.data, { page: 'vnf-instance' });
+        this.dataService.changeMessage(event.data);
+    }
+
+    /**
+     * Lifecyle hook which get trigger on component destruction
+     */
+    public ngOnDestroy(): void {
+        this.generateDataSub.unsubscribe();
+    }
+}