Feature 11009 Ns Config Template as first class citizens in OSM

        - Added UI support
	- Added New page for NS config template under packages section
	- User can create, edit & delete template
	- Added template field under ns instance

Change-Id: I3e9a895b4415165d6c96b9840dee64cc197b40e4
Signed-off-by: SANDHYA.JS <sandhya.j@tataelxsi.co.in>
diff --git a/src/app/packages/ns-config-template/NSConfigTemplateComponent.ts b/src/app/packages/ns-config-template/NSConfigTemplateComponent.ts
new file mode 100644
index 0000000..298207a
--- /dev/null
+++ b/src/app/packages/ns-config-template/NSConfigTemplateComponent.ts
@@ -0,0 +1,224 @@
+/*
+ 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: SANDHYA JS (sandhya.j@tataelxsi.co.in)
+*/
+/**
+ * @file NS Config Template details Component.
+ */
+import { HttpHeaders } from '@angular/common/http';
+import { Component, Injector, OnInit } from '@angular/core';
+import { NgbModal, NgbModalRef } from '@ng-bootstrap/ng-bootstrap';
+import { TranslateService } from '@ngx-translate/core';
+import { ERRORDATA, MODALCLOSERESPONSEDATA } from 'CommonModel';
+import { ComposePackages } from 'ComposePackages';
+import { DataService } from 'DataService';
+import { environment } from 'environment';
+import { LocalDataSource } from 'ng2-smart-table';
+import { NSConfigTemplateActionComponent } from 'NSCONFIGTEMPLATEACTION';
+import { NSCONFIG, NSConfigData } from 'NSCONFIGTEMPLATEMODEL';
+import { RestService } from 'RestService';
+import { Subscription } from 'rxjs';
+import { SharedService } from 'SharedService';
+import { VNFData } from 'VNFDModel';
+
+/**
+ * Creating component
+ * @Component takes NSConfigTemplateComponent.html as template url
+ */
+@Component({
+    selector: 'app-ns-config-template',
+    templateUrl: './NSConfigTemplateComponent.html',
+    styleUrls: ['./NSConfigTemplateComponent.scss']
+})
+/** Exporting a class @exports NSConfigTemplateComponent */
+export class NSConfigTemplateComponent implements OnInit {
+    /** To inject services @public */
+    public injector: Injector;
+
+    /** Data of smarttable populate through LocalDataSource @public */
+    public dataSource: LocalDataSource = new LocalDataSource();
+
+    /** handle translate @public */
+    public translateService: TranslateService;
+
+    /** Columns list of the smart table @public */
+    public columnLists: object = {};
+
+    /** Settings for smarttable to populate the table with columns @public */
+    public settings: object = {};
+
+    /** 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;
+
+    /** Instance of the rest service @private */
+    private restService: RestService;
+
+    /** dataService to pass the data from one component to another @private */
+    private dataService: DataService;
+
+    /** Formation of appropriate Data for LocalDatasource @private */
+    private nsConfigData: NSConfigData[] = [];
+
+    /** Contains all methods related to shared @private */
+    private sharedService: SharedService;
+
+    /** Controls the header form @private */
+    private headers: HttpHeaders;
+
+    /** Instance of the modal service @private */
+    private modalService: NgbModal;
+
+    /** 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);
+        this.modalService = this.injector.get(NgbModal);
+    }
+
+    /**
+     * Lifecyle Hooks the trigger before component is instantiate
+     */
+    public ngOnInit(): void {
+        this.generateColumns();
+        this.generateSettings();
+        this.generateData();
+        this.headers = new HttpHeaders({
+            'Content-Type': 'application/gzip',
+            Accept: 'application/json',
+            'Cache-Control': 'no-cache, no-store, must-revalidate, max-age=0'
+        });
+        this.generateDataSub = this.sharedService.dataEvent.subscribe((): void => { this.generateData(); });
+    }
+
+    /** smart table Header Colums @public */
+    public generateColumns(): void {
+        this.columnLists = {
+            name: { title: this.translateService.instant('NAME'), width: '25%' },
+            identifier: { title: this.translateService.instant('IDENTIFIER'), width: '25%' },
+            nsdId: { title: this.translateService.instant('PAGE.INSTANCEINSTANTIATE.NSID'), width: '25%' },
+            created: { title: this.translateService.instant('Created'), width: '15%' },
+            Actions: {
+                name: 'Action', width: '15%', filter: false, sort: false, type: 'custom',
+                title: this.translateService.instant('ACTIONS'),
+                valuePrepareFunction: (cell: VNFData, row: VNFData): VNFData => row, renderComponent: NSConfigTemplateActionComponent
+            }
+        };
+    }
+
+    /** smart table Data Settings @public */
+    public generateSettings(): void {
+        this.settings = {
+            edit: {
+                editButtonContent: '<i class="fa fa-edit" title="Edit"></i>',
+                confirmSave: true
+            },
+            delete: {
+                deleteButtonContent: '<i class="far fa-trash-alt" title="delete"></i>',
+                confirmDelete: true
+            },
+            columns: this.columnLists,
+            actions: {
+                add: false,
+                edit: false,
+                delete: false,
+                position: 'right'
+            },
+            attr: this.sharedService.tableClassConfig(),
+            pager: this.sharedService.paginationPagerConfig(),
+            noDataMessage: this.translateService.instant('NODATAMSG')
+        };
+    }
+
+    /** smart table listing manipulation @public */
+    public onChange(perPageValue: number): void {
+        this.dataSource.setPaging(1, perPageValue, true);
+    }
+
+    /** OnUserRowSelect Function @public */
+    public onUserRowSelect(event: MessageEvent): void {
+        Object.assign(event.data, { page: 'ns-config-template' });
+        this.dataService.changeMessage(event.data);
+    }
+
+
+    /** Generate nsData object from loop and return for the datasource @public */
+    public generatetemplateData(nsData: NSCONFIG): NSConfigData {
+        return {
+            nsdId: nsData.nsdId,
+            identifier: nsData._id,
+            operationalState: nsData._admin.operationalState,
+            created: this.sharedService.convertEpochTime(Number(nsData._admin.created)),
+            modified: this.sharedService.convertEpochTime(Number(nsData._admin.modified)),
+            name: nsData.name
+        };
+    }
+    /** Handle compose new ns package method  @public */
+    public composeTemplate(): void {
+        // eslint-disable-next-line security/detect-non-literal-fs-filename
+        const modalRef: NgbModalRef = this.modalService.open(ComposePackages, { backdrop: 'static' });
+        modalRef.componentInstance.params = { page: 'ns-config-template' };
+        modalRef.result.then((result: MODALCLOSERESPONSEDATA) => {
+            if (result) {
+                this.sharedService.callData();
+            }
+        }).catch((): void => {
+            // Catch Navigation Error
+        });
+    }
+
+    /**
+     * Lifecyle hook which get trigger on component destruction
+     */
+    public ngOnDestroy(): void {
+        this.generateDataSub.unsubscribe();
+    }
+
+    /** Fetching the data from server to Load in the smarttable @protected */
+    protected generateData(): void {
+        this.isLoadingResults = true;
+        this.restService.getResource(environment.NSCONFIGTEMPLATE_URL).subscribe((nsdConfigData: NSCONFIG[]): void => {
+            this.nsConfigData = [];
+            nsdConfigData.forEach((nsddata: NSCONFIG): void => {
+                const vnfDataObj: NSConfigData = this.generatetemplateData(nsddata);
+                this.nsConfigData.push(vnfDataObj);
+            });
+            if (this.nsConfigData.length > 0) {
+                this.checkDataClass = 'dataTables_present';
+            } else {
+                this.checkDataClass = 'dataTables_empty';
+            }
+            this.dataSource.load(this.nsConfigData).then((data: boolean): void => {
+                this.isLoadingResults = false;
+            }).catch((): void => {
+                this.isLoadingResults = false;
+            });
+        }, (error: ERRORDATA): void => {
+            this.restService.handleError(error, 'get');
+            this.isLoadingResults = false;
+        });
+    }
+}