catalog-ui/src/app/ng2/pages/properties-assignment/tosca-function/tosca-function.component.ts

   1 /*
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2021 Nordix Foundation
   4  *  ================================================================================
   5  *  Licensed under the Apache License, Version 2.0 (the "License");
   6  *  you may not use this file except in compliance with the License.
   7  *  You may obtain a copy of the License at
   8  *
   9  *        http://www.apache.org/licenses/LICENSE-2.0
  10  *  Unless required by applicable law or agreed to in writing, software
  11  *  distributed under the License is distributed on an "AS IS" BASIS,
  12  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *  See the License for the specific language governing permissions and
  14  *  limitations under the License.
  15  *
  16  *  SPDX-License-Identifier: Apache-2.0
  17  *  ============LICENSE_END=========================================================
  18  */
  19
  20 import {Component, EventEmitter, Input, OnChanges, OnInit, Output, SimpleChanges} from '@angular/core';
  21 import {ComponentMetadata, PropertyBEModel, PropertyDeclareAPIModel, DerivedFEProperty} from 'app/models';
  22 import {TopologyTemplateService} from "../../../services/component-services/topology-template.service";
  23 import {WorkspaceService} from "../../workspace/workspace.service";
  24 import {ToscaGetFunctionType} from "../../../../models/tosca-get-function-type";
  25 import {InstanceFeDetails} from "../../../../models/instance-fe-details";
  26 import {ToscaGetFunction} from "../../../../models/tosca-get-function";
  27 import {FormControl, FormGroup, Validators} from "@angular/forms";
  28 import {ToscaFunctionType} from "../../../../models/tosca-function-type.enum";
  29 import {ToscaGetFunctionValidationEvent} from "./tosca-get-function/tosca-get-function.component";
  30 import {ToscaFunction} from "../../../../models/tosca-function";
  31 import {ToscaConcatFunctionValidationEvent} from "./tosca-concat-function/tosca-concat-function.component";
  32 import {PROPERTY_TYPES} from "../../../../utils/constants";
  33 import {YamlFunctionValidationEvent} from "./yaml-function/yaml-function.component";
  34 import {ToscaConcatFunction} from "../../../../models/tosca-concat-function";
  35 import {YamlFunction} from "../../../../models/yaml-function";
  36
  37 @Component({
  38     selector: 'tosca-function',
  39     templateUrl: './tosca-function.component.html',
  40     styleUrls: ['./tosca-function.component.less'],
  41 })
  42 export class ToscaFunctionComponent implements OnInit, OnChanges {
  43
  44     @Input() property: PropertyBEModel;
  45     @Input() componentInstanceMap: Map<string, InstanceFeDetails> = new Map<string, InstanceFeDetails>();
  46     @Input() allowClear: boolean = true;
  47     @Output() onValidFunction: EventEmitter<ToscaGetFunction> = new EventEmitter<ToscaGetFunction>();
  48     @Output() onValidityChange: EventEmitter<ToscaFunctionValidationEvent> = new EventEmitter<ToscaFunctionValidationEvent>();
  49
  50     toscaFunctionForm: FormControl = new FormControl(undefined, [Validators.required]);
  51     toscaFunctionTypeForm: FormControl = new FormControl(undefined, Validators.required);
  52     formGroup: FormGroup = new FormGroup({
  53         'toscaFunction': this.toscaFunctionForm,
  54         'toscaFunctionType': this.toscaFunctionTypeForm,
  55     });
  56
  57     isLoading: boolean = false;
  58     toscaFunction: ToscaFunction;
  59     toscaFunctions: Array<string> = [];
  60
  61     private isInitialized: boolean = false;
  62     private componentMetadata: ComponentMetadata;
  63
  64     constructor(private topologyTemplateService: TopologyTemplateService,
  65                 private workspaceService: WorkspaceService) {
  66     }
  67
  68     ngOnInit(): void {
  69         this.componentMetadata = this.workspaceService.metadata;
  70         this.toscaFunction = this.property.toscaFunction ? this.property.toscaFunction : undefined;
  71         this.loadToscaFunctions();
  72         this.formGroup.valueChanges.subscribe(() => {
  73             if (!this.isInitialized) {
  74                 return;
  75             }
  76             this.emitValidityChange();
  77             if (this.formGroup.valid) {
  78                 this.onValidFunction.emit(this.toscaFunctionForm.value);
  79             }
  80         });
  81         this.initToscaFunction();
  82         this.emitValidityChange();
  83         this.isInitialized = true;
  84     }
  85
  86     ngOnChanges(changes: SimpleChanges): void {
  87         if (changes.property) {
  88             this.resetForm();
  89             this.toscaFunction = this.property.toscaFunction ? this.property.toscaFunction : undefined;
  90             this.initToscaFunction();
  91             this.loadToscaFunctions();
  92             this.emitValidityChange();
  93         }
  94     }
  95
  96     private validate(): boolean {
  97         return (!this.toscaFunctionForm.value && !this.toscaFunctionTypeForm.value) || this.formGroup.valid;
  98     }
  99
 100     private initToscaFunction(): void {
 101             if (this.property instanceof PropertyDeclareAPIModel && this.property.subPropertyToscaFunctions && (<PropertyDeclareAPIModel> this.property).propertiesName){
 102                 let propertiesPath = (<PropertyDeclareAPIModel> this.property).propertiesName.split("#");
 103             if (propertiesPath.length > 1){
 104                     let keyToFind = this.property.type === PROPERTY_TYPES.MAP ? [(<DerivedFEProperty>this.property.input).mapKey] : propertiesPath.slice(1);
 105                 let subPropertyToscaFunction = this.property.subPropertyToscaFunctions.find(subPropertyToscaFunction => this.areEqual(subPropertyToscaFunction.subPropertyPath, keyToFind !== null ? keyToFind : propertiesPath.slice(1)));
 106
 107                 if (subPropertyToscaFunction){
 108                         this.toscaFunction = subPropertyToscaFunction.toscaFunction;
 109                     this.toscaFunctionForm.setValue(this.toscaFunction);
 110                     this.toscaFunctionTypeForm.setValue(this.toscaFunction.type);
 111                 }
 112                 return;
 113             }
 114         }
 115
 116         if (!this.property.isToscaFunction()) {
 117             return;
 118         }
 119         this.toscaFunctionForm.setValue(this.property.toscaFunction);
 120         this.toscaFunctionTypeForm.setValue(this.property.toscaFunction.type);
 121     }
 122
 123     private areEqual(array1: string[], array2: string[]): boolean {
 124             return array1.length === array2.length && array1.every(function(value, index) { return value === array2[index]})
 125     }
 126
 127     private loadToscaFunctions(): void {
 128         this.toscaFunctions = [];
 129         this.toscaFunctions.push(ToscaFunctionType.GET_ATTRIBUTE);
 130         this.toscaFunctions.push(ToscaFunctionType.GET_INPUT);
 131         this.toscaFunctions.push(ToscaFunctionType.GET_PROPERTY);
 132         if (this.property.type === PROPERTY_TYPES.STRING) {
 133             this.toscaFunctions.push(ToscaFunctionType.CONCAT);
 134         }
 135         this.toscaFunctions.push(ToscaFunctionType.YAML);
 136     }
 137
 138     private resetForm(): void {
 139         this.formGroup.reset();
 140         this.toscaFunction = undefined;
 141     }
 142
 143     private isGetPropertySelected(): boolean {
 144         return this.formGroup.get('toscaFunctionType').value === ToscaGetFunctionType.GET_PROPERTY;
 145     }
 146
 147     private isGetAttributeSelected(): boolean {
 148         return this.formGroup.get('toscaFunctionType').value === ToscaGetFunctionType.GET_ATTRIBUTE;
 149     }
 150
 151     private isGetInputSelected(): boolean {
 152         return this.formGroup.get('toscaFunctionType').value === ToscaGetFunctionType.GET_INPUT;
 153     }
 154
 155     isConcatSelected(): boolean {
 156         return this.formGroup.get('toscaFunctionType').value === ToscaFunctionType.CONCAT;
 157     }
 158
 159     isGetFunctionSelected(): boolean {
 160         return this.isGetInputSelected() || this.isGetPropertySelected() || this.isGetAttributeSelected();
 161     }
 162
 163     isYamlFunctionSelected(): boolean {
 164         return this.formGroup.get('toscaFunctionType').value === ToscaFunctionType.YAML;
 165     }
 166
 167     onClearValues(): void {
 168         this.resetForm();
 169     }
 170
 171     showClearButton(): boolean {
 172         return this.allowClear && this.toscaFunctionTypeForm.value;
 173     }
 174
 175     onConcatFunctionValidityChange(validationEvent: ToscaConcatFunctionValidationEvent): void {
 176         if (validationEvent.isValid) {
 177             this.toscaFunctionForm.setValue(validationEvent.toscaConcatFunction);
 178         } else {
 179             this.toscaFunctionForm.setValue(undefined);
 180         }
 181     }
 182
 183     onGetFunctionValidityChange(validationEvent: ToscaGetFunctionValidationEvent): void {
 184         if (validationEvent.isValid) {
 185             this.toscaFunctionForm.setValue(validationEvent.toscaGetFunction);
 186         } else {
 187             this.toscaFunctionForm.setValue(undefined);
 188         }
 189     }
 190
 191     onYamlFunctionValidityChange(validationEvent: YamlFunctionValidationEvent): void {
 192         if (validationEvent.isValid) {
 193             this.toscaFunctionForm.setValue(validationEvent.value);
 194         } else {
 195             this.toscaFunctionForm.setValue(undefined);
 196         }
 197     }
 198
 199     onFunctionTypeChange(): void {
 200         this.toscaFunction = undefined;
 201         this.toscaFunctionForm.reset();
 202     }
 203
 204     private emitValidityChange(): void {
 205         const isValid: boolean = this.validate();
 206         this.onValidityChange.emit({
 207             isValid: isValid,
 208             toscaFunction: isValid ? this.buildFunctionFromForm() : undefined
 209         });
 210     }
 211
 212     private buildFunctionFromForm(): ToscaFunction {
 213         if (!this.toscaFunctionTypeForm.value) {
 214             return undefined;
 215         }
 216         if (this.isConcatSelected()) {
 217             return new ToscaConcatFunction(this.toscaFunctionForm.value);
 218         }
 219         if (this.isGetFunctionSelected()) {
 220             return new ToscaGetFunction(this.toscaFunctionForm.value);
 221         }
 222         if (this.isYamlFunctionSelected()) {
 223             return new YamlFunction(this.toscaFunctionForm.value);
 224         }
 225
 226         console.error(`Function ${this.toscaFunctionTypeForm.value} not supported`);
 227     }
 228 }
 229
 230 export class ToscaFunctionValidationEvent {
 231     isValid: boolean;
 232     toscaFunction: ToscaFunction;
 233 }