Initial Commit - NG UI
[osm/NG-UI.git] / src / app / instances / ns-primitive / NSPrimitiveComponent.ts
diff --git a/src/app/instances/ns-primitive/NSPrimitiveComponent.ts b/src/app/instances/ns-primitive/NSPrimitiveComponent.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 NS Instance Primitive Component
+ */
+import { Component, Injector, Input, OnInit } from '@angular/core';
+import { AbstractControl, FormArray, FormBuilder, FormGroup, Validators } from '@angular/forms';
+import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap';
+import { TranslateService } from '@ngx-translate/core';
+import { NotifierService } from 'angular-notifier';
+import { APIURLHEADER, ERRORDATA, URLPARAMS } from 'CommonModel';
+import { DataService } from 'DataService';
+import { environment } from 'environment';
+import { NSData } from 'NSDModel';
+import { NSPrimitiveParams } from 'NSInstanceModel';
+import { RestService } from 'RestService';
+import { SharedService } from 'SharedService';
+import { isNullOrUndefined } from 'util';
+
+/**
+ * Creating component
+ * @Component takes NSPrimitiveComponent.html as template url
+ */
+@Component({
+    templateUrl: './NSPrimitiveComponent.html',
+    styleUrls: ['./NSPrimitiveComponent.scss']
+})
+/** Exporting a class @exports NSPrimitiveComponent */
+export class NSPrimitiveComponent implements OnInit {
+    /** Form valid on submit trigger @public */
+    public submitted: boolean = false;
+
+    /** To inject services @public */
+    public injector: Injector;
+
+    /** Instance for active modal service @public */
+    public activeModal: NgbActiveModal;
+
+    /** FormGroup instance added to the form @ html @public */
+    public primitiveForm: FormGroup;
+
+    /** Primitive params array @public */
+    public primitiveParams: FormArray;
+
+    /** Variable set for twoway binding @public */
+    public nsdId: string;
+
+    /** Check the loading results @public */
+    public isLoadingResults: boolean = false;
+
+    /** Give the message for the loading @public */
+    public message: string = 'PLEASEWAIT';
+
+    /** Contains list of primitive parameter @public */
+    public primitiveParameter: {}[] = [];
+
+    /** Input contains component objects @public */
+    @Input() public params: URLPARAMS;
+
+    /** Contains list of primitive actions @public */
+    public primitiveList: {}[];
+
+    /** Contains objects that is used to hold types of primitive @public */
+    public primitiveTypeList: {}[] = [];
+
+    /** Model value used to hold selected primitive type @public */
+    public primitiveType: string;
+
+    /** FormBuilder instance added to the formBuilder @private */
+    private formBuilder: FormBuilder;
+
+    /** Utilizes rest service for any CRUD operations @private */
+    private restService: RestService;
+
+    /** packages data service collections @private */
+    private dataService: DataService;
+
+    /** Contains tranlsate instance @private */
+    private translateService: TranslateService;
+
+    /** Notifier service to popup notification @private */
+    private notifierService: NotifierService;
+
+    /** Contains all methods related to shared @private */
+    private sharedService: SharedService;
+
+    /** Contains objects that is used to convert key/value pair @private */
+    private objectPrimitiveParams: {} = {};
+
+    constructor(injector: Injector) {
+        this.injector = injector;
+        this.restService = this.injector.get(RestService);
+        this.dataService = this.injector.get(DataService);
+        this.translateService = this.injector.get(TranslateService);
+        this.notifierService = this.injector.get(NotifierService);
+        this.sharedService = this.injector.get(SharedService);
+        this.activeModal = this.injector.get(NgbActiveModal);
+        this.formBuilder = this.injector.get(FormBuilder);
+        this.primitiveTypeList = [{ title: this.translateService.instant('VNFPRIMITIVE'), value: 'VNF_Primitive' }];
+        this.primitiveType = 'VNF_Primitive';
+    }
+
+    /**
+     * Lifecyle Hooks the trigger before component is instantiate
+     */
+    public ngOnInit(): void {
+        /** Setting up initial value for NSD */
+        this.dataService.currentMessage.subscribe((event: NSData) => {
+            if (event.identifier !== undefined || event.identifier !== '' || event.identifier !== null) {
+                this.nsdId = event.identifier;
+            }
+        });
+        if (!isNullOrUndefined(this.params.nsConfig)) {
+            this.primitiveTypeList.push({ title: this.translateService.instant('NSPRIMITIVE'), value: 'NS_Primitive' });
+        }
+        this.initializeForm();
+    }
+
+    /** convenience getter for easy access to form fields */
+    get f(): FormGroup['controls'] { return this.primitiveForm.controls; }
+
+    /** initialize Forms @public */
+    public initializeForm(): void {
+        this.primitiveForm = this.formBuilder.group({
+            primitive: [null, [Validators.required]],
+            vnf_member_index: [null, [Validators.required]],
+            primitive_params: this.formBuilder.array([this.primitiveParamsBuilder()])
+        });
+    }
+
+    /** Generate primitive params @public */
+    public primitiveParamsBuilder(): FormGroup {
+        return this.formBuilder.group({
+            primitive_params_name: [null, [Validators.required]],
+            primitive_params_value: ['', [Validators.required]]
+        });
+    }
+
+    /** Handle FormArray Controls @public */
+    public getControls(): AbstractControl[] {
+        return (this.getFormControl('primitive_params') as FormArray).controls;
+    }
+
+    /** Push all primitive params on user's action @public */
+    public createPrimitiveParams(): void {
+        this.primitiveParams = this.getFormControl('primitive_params') as FormArray;
+        this.primitiveParams.push(this.primitiveParamsBuilder());
+    }
+
+    /** Remove primitive params on user's action @public */
+    public removePrimitiveParams(index: number): void {
+        this.primitiveParams.removeAt(index);
+    }
+
+    /** Execute NS Primitive @public */
+    public execNSPrimitive(): void {
+        this.submitted = true;
+        this.objectPrimitiveParams = {};
+        this.sharedService.cleanForm(this.primitiveForm);
+        if (this.primitiveForm.invalid) { return; } // Proceed, onces form is valid
+        this.primitiveForm.value.primitive_params.forEach((params: NSPrimitiveParams) => {
+            if (params.primitive_params_name !== null && params.primitive_params_value !== '') {
+                this.objectPrimitiveParams[params.primitive_params_name] = params.primitive_params_value;
+            }
+        });
+        //Prepare primitive params
+        const primitiveParamsPayLoads: {} = {
+            primitive: this.primitiveForm.value.primitive,
+            primitive_params: this.objectPrimitiveParams
+        };
+        if (this.primitiveType === 'VNF_Primitive') {
+            // tslint:disable-next-line: no-string-literal
+            primitiveParamsPayLoads['vnf_member_index'] = this.primitiveForm.value.vnf_member_index;
+        }
+        const apiURLHeader: APIURLHEADER = {
+            url: environment.NSDINSTANCES_URL + '/' + this.nsdId + '/action'
+        };
+        this.isLoadingResults = true;
+        this.restService.postResource(apiURLHeader, primitiveParamsPayLoads).subscribe((result: {}) => {
+            this.activeModal.dismiss();
+            this.notifierService.notify('success', this.translateService.instant('PAGE.NSPRIMITIVE.EXECUTEDSUCCESSFULLY'));
+            this.isLoadingResults = false;
+        }, (error: ERRORDATA) => {
+            this.isLoadingResults = false;
+            this.restService.handleError(error, 'post');
+        });
+    }
+    /** Primitive type change event @public */
+    public primitiveTypeChange(data: { value: string }): void {
+        this.primitiveList = [];
+        this.primitiveParameter = [];
+        this.initializeForm();
+        if (data.value === 'NS_Primitive') {
+            this.primitiveList = !isNullOrUndefined(this.params.nsConfig['config-primitive']) ?
+                this.params.nsConfig['config-primitive'] : [];
+            this.getFormControl('vnf_member_index').setValidators([]);
+        }
+    }
+    /** Member index change event */
+    public indexChange(data: {}): void {
+        if (data) {
+            this.getVnfdInfo(data['vnfd-id-ref']);
+        } else {
+            this.primitiveList = [];
+            this.getFormControl('primitive').setValue(null);
+            this.primitiveParameter = [];
+        }
+    }
+    /** Primivtive change event */
+    public primitiveChange(data: { parameter: {}[] }): void {
+        this.primitiveParameter = [];
+        const formArr: FormArray = this.getFormControl('primitive_params') as FormArray;
+        formArr.controls = [];
+        this.createPrimitiveParams();
+        if (data) {
+            this.updatePrimitive(data);
+        }
+    }
+    /** Update primitive value based on parameter */
+    private updatePrimitive(primitive: { parameter: {}[] }): void {
+        if (primitive.parameter) {
+            this.primitiveParameter = primitive.parameter;
+        } else {
+            this.primitiveParameter = [];
+            const formArr: AbstractControl[] = this.getControls();
+            formArr.forEach((formGp: FormGroup) => {
+                formGp.controls.primitive_params_name.setValidators([]);
+                formGp.controls.primitive_params_name.updateValueAndValidity();
+                formGp.controls.primitive_params_value.setValidators([]);
+                formGp.controls.primitive_params_value.updateValueAndValidity();
+            });
+        }
+    }
+    /** Get primivitive actions from vnfd data */
+    private getVnfdInfo(vnfdRef: string): void {
+        this.primitiveList = [];
+        this.primitiveParameter = [];
+        this.getFormControl('primitive').setValue(null);
+        const apiUrl: string = environment.VNFPACKAGES_URL + '?short-name=' + vnfdRef;
+        this.isLoadingResults = true;
+        this.restService.getResource(apiUrl)
+            .subscribe((vnfdInfo: {}) => {
+                if (vnfdInfo[0]['vnf-configuration']) {
+                    this.primitiveList = vnfdInfo[0]['vnf-configuration']['config-primitive'];
+                }
+                this.isLoadingResults = false;
+            }, (error: ERRORDATA) => {
+                this.isLoadingResults = false;
+                this.restService.handleError(error, 'get');
+            });
+    }
+    /** Used to get the AbstractControl of controlName passed @private */
+    private getFormControl(controlName: string): AbstractControl {
+        return this.primitiveForm.controls[controlName];
+    }
+}