| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| import {Component, EventEmitter, forwardRef, Input, OnInit, Output} from '@angular/core'; |
| import {FetchRequest} from '../../services/domain/paging/fetch-request.model'; |
| import {Observable} from 'rxjs/Observable'; |
| import {ControlValueAccessor, FormControl, NG_VALUE_ACCESSOR} from '@angular/forms'; |
| import {PortfolioService} from '../../services/portfolio/portfolio.service'; |
| import {ProductPage} from '../../services/portfolio/domain/product-page.model'; |
| import {Product} from '../../services/portfolio/domain/product.model'; |
| |
| const noop: () => void = () => { |
| // empty method |
| }; |
| |
| @Component({ |
| providers: [ |
| { provide: NG_VALUE_ACCESSOR, useExisting: forwardRef(() => ProductSelectComponent), multi: true } |
| ], |
| selector: 'fims-product-select', |
| templateUrl: './product-select.component.html' |
| }) |
| export class ProductSelectComponent implements ControlValueAccessor, OnInit { |
| |
| private _onTouchedCallback: () => void = noop; |
| |
| private _onChangeCallback: (_: any) => void = noop; |
| |
| formControl: FormControl; |
| |
| @Input() title: string; |
| |
| @Input() required: boolean; |
| |
| @Output() onProductSelected: EventEmitter<Product> = new EventEmitter<Product>(); |
| |
| products: Observable<Product[]>; |
| |
| constructor(private portfolioService: PortfolioService) {} |
| |
| ngOnInit(): void { |
| this.formControl = new FormControl(''); |
| |
| this.products = this.formControl.valueChanges |
| .distinctUntilChanged() |
| .debounceTime(500) |
| .do(product => { |
| if (this.isObject(product)) { |
| this.onProductSelected.emit(product); |
| } |
| }) |
| .map(product => this.isObject(product) ? product.name : product) |
| .do(product => this.changeValue(product)) |
| .switchMap(name => this.onSearch(name)); |
| } |
| |
| private isObject(product: Product): boolean { |
| return product && typeof product === 'object'; |
| } |
| |
| changeValue(value: string): void { |
| this._onChangeCallback(value); |
| } |
| |
| writeValue(value: any): void { |
| this.formControl.setValue(value); |
| } |
| |
| registerOnChange(fn: any): void { |
| this._onChangeCallback = fn; |
| } |
| |
| registerOnTouched(fn: any): void { |
| this._onTouchedCallback = fn; |
| } |
| |
| onSearch(searchTerm?: string): Observable<Product[]> { |
| const fetchRequest: FetchRequest = { |
| page: { |
| pageIndex: 0, |
| size: 5 |
| }, |
| searchTerm |
| }; |
| |
| return this.portfolioService.findAllProducts(false, fetchRequest) |
| .map((productPage: ProductPage) => productPage.elements); |
| } |
| |
| } |