| /** |
| * 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 {Injectable} from '@angular/core'; |
| import {Http} from '@angular/http'; |
| import {Observable} from 'rxjs/Observable'; |
| import {Country} from './model/country.model'; |
| import {TranslateService} from '@ngx-translate/core'; |
| import {escapeRegexPattern} from '../../common/regex/escape'; |
| |
| @Injectable() |
| export class CountryService { |
| |
| private countries: Country[] = []; |
| |
| constructor(private http: Http, private translateService: TranslateService) { |
| } |
| |
| init(): void { |
| this.getCountries() |
| .map(countries => this.translate(countries)) |
| .subscribe(countries => this.countries = countries); |
| |
| this.translateService.onLangChange |
| .map(() => this.translate(this.countries)) |
| .subscribe(countries => this.countries = countries); |
| } |
| |
| fetchCountries(term): Country[] { |
| const regTerm = new RegExp(`^${escapeRegexPattern(term)}`, 'gi'); |
| |
| let result: Country[]; |
| |
| if (term) { |
| result = this.countries.filter((country: Country) => regTerm.test(country.displayName)); |
| } else { |
| result = this.countries.slice(); |
| } |
| return result; |
| } |
| |
| fetchByCountryCode(countryCode: string): Country { |
| return this.countries.find((country: Country) => country.alpha2Code === countryCode); |
| } |
| |
| private translate(countries: Country[]): Country[] { |
| return countries.map(country => this.mapTranslation(country)); |
| } |
| |
| private mapTranslation(country: Country): Country { |
| const currentLang = this.translateService.currentLang; |
| return Object.assign({}, country, { |
| displayName: currentLang !== 'en' && country.translations[currentLang] ? country.translations[currentLang] : country.name |
| }); |
| } |
| |
| private getCountries(): Observable<Country[]> { |
| return this.http.get('https://restcountries.eu/rest/v2/all?fields=name;alpha2Code;translations') |
| .map(response => response.json()); |
| } |
| |
| } |