Initial Commit - NG UI
[osm/NG-UI.git] / src / app / instances / pdu-instances / PDUInstancesComponent.ts
diff --git a/src/app/instances/pdu-instances/PDUInstancesComponent.ts b/src/app/instances/pdu-instances/PDUInstancesComponent.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 PDU Instance Component
+ */
+import { Component, Injector, OnDestroy, OnInit } from '@angular/core';
+import { NgbModal, NgbModalRef } from '@ng-bootstrap/ng-bootstrap';
+import { TranslateService } from '@ngx-translate/core';
+import { AddPDUInstancesComponent } from 'AddPDUInstancesComponent';
+import { ERRORDATA, MODALCLOSERESPONSEDATA } from 'CommonModel';
+import { DataService } from 'DataService';
+import { environment } from 'environment';
+import { LocalDataSource } from 'ng2-smart-table';
+import { PDUInstanceDetails } from 'PDUInstanceModel';
+import { PDUInstancesActionComponent } from 'PDUInstancesActionComponent';
+import { RestService } from 'RestService';
+import { Subscription } from 'rxjs';
+import { SharedService } from 'SharedService';
+
+/**
+ * Creating component
+ * @Component takes PDUInstancesComponent.html as template url
+ */
+@Component({
+    templateUrl: './PDUInstancesComponent.html',
+    styleUrls: ['./PDUInstancesComponent.scss']
+})
+/** Exporting a class @exports PDUInstancesComponent */
+export class PDUInstancesComponent implements OnInit, OnDestroy {
+    /** Injector to invoke other services @public */
+    public injector: Injector;
+
+    /** NS Instance array @public */
+    public pduInstanceData: object[] = [];
+
+    /** Datasource instance @public */
+    public dataSource: LocalDataSource = new LocalDataSource();
+
+    /** SelectedRows array @public */
+    public selectedRows: object[] = [];
+
+    /** Selected list array @public */
+    public selectList: object[] = [];
+
+    /** Instance component are stored in settings @public */
+    public settings: {} = {};
+
+    /** Contains objects for menu settings @public */
+    public columnList: {} = {};
+
+    /** 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 modal service @private */
+    private modalService: NgbModal;
+
+    /** dataService to pass the data from one component to another @private */
+    private dataService: DataService;
+
+    /** Utilizes rest service for any CRUD operations @private */
+    private restService: RestService;
+
+    /** 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);
+        this.modalService = this.injector.get(NgbModal);
+    }
+
+    /**
+     * 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 = {
+            columns: this.columnList,
+            actions: { add: false, edit: false, delete: false, position: 'right' },
+            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%' },
+            name: { title: this.translateService.instant('NAME'), width: '20%', sortDirection: 'asc' },
+            type: { title: this.translateService.instant('TYPE'), width: '15%' },
+            usageState: { title: this.translateService.instant('USAGESTATE'), width: '15%' },
+            CreatedAt: { title: this.translateService.instant('CREATEDAT'), width: '15%' },
+            Actions: {
+                name: 'Action', width: '10%', filter: false, sort: false, type: 'custom',
+                title: this.translateService.instant('ACTIONS'),
+                valuePrepareFunction: (cell: PDUInstanceDetails, row: PDUInstanceDetails): PDUInstanceDetails => row,
+                renderComponent: PDUInstancesActionComponent
+            }
+        };
+    }
+
+    /** generateData initiate the ns-instance list @public */
+    public generateData(): void {
+        this.pduInstanceData = [];
+        this.isLoadingResults = true;
+        this.restService.getResource(environment.PDUINSTANCE_URL).subscribe((pduInstancesData: PDUInstanceDetails[]) => {
+            pduInstancesData.forEach((pduInstanceData: PDUInstanceDetails) => {
+                const pduDataObj: {} = {
+                    name: pduInstanceData.name,
+                    identifier: pduInstanceData._id,
+                    type: pduInstanceData.type,
+                    usageState: pduInstanceData._admin.usageState,
+                    CreatedAt: this.sharedService.convertEpochTime(Number(pduInstanceData._admin.created))
+                };
+                this.pduInstanceData.push(pduDataObj);
+            });
+            if (this.pduInstanceData.length > 0) {
+                this.checkDataClass = 'dataTables_present';
+            } else {
+                this.checkDataClass = 'dataTables_empty';
+            }
+            this.dataSource.load(this.pduInstanceData).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: 'pdu-instances' });
+        this.dataService.changeMessage(event.data);
+    }
+
+    /** Add PDU Instance modal using modalservice @public */
+    public addPDUInstanceModal(): void {
+        const modalRef: NgbModalRef = this.modalService.open(AddPDUInstancesComponent, { backdrop: 'static' });
+        modalRef.componentInstance.title = this.translateService.instant('PAGE.PDUINSTANCE.NEWPDUINSTANCE');
+        modalRef.result.then((result: MODALCLOSERESPONSEDATA) => {
+            if (result) {
+                this.generateData();
+            }
+        }).catch();
+    }
+
+    /**
+     * Lifecyle hook which get trigger on component destruction
+     */
+    public ngOnDestroy(): void {
+        this.generateDataSub.unsubscribe();
+    }
+}