Language is not chaged using use if the language is the same as the d…

…efault #92 (#93)

* Language is not chaged using use if the language is the same as the default #92

* Language is not chaged using use if the language is the same as the default #92
Fix codacy issue

Co-authored-by: Carlos Rodriguez Aguado <crodriguez2@werfen.com>

projects/systelab-translate/README.md

@@ -29,6 +29,12 @@ If you want to get the browser language, call the method:
 this.i18nService.getBrowserLang()
 ```
 
+If you want to force reloading a language
+
+```javascript
+ this.i18nService.reloadLanguage('en-US').subscribe(() => console.log('Translations for American English reloaded.'));
+```
+
 ### Translate
 
 There are two convenient methods to set or append new keys to an specific locale:

projects/systelab-translate/package.json

@@ -7,7 +7,7 @@
     "Translate",
     "i18n"
   ],
-  "version": "11.1.0",
+  "version": "11.1.1",
   "license": "MIT",
   "homepage": "https://github.com/systelab/systelab-translate.git",
   "repository": {

projects/systelab-translate/src/lib/i18n.service.ts

@@ -38,6 +38,10 @@ export class I18nService {
 		return this.translateService.getBrowserLang();
 	}
 
+	public reloadLanguage(lang: string): Observable<any> {
+		return this.translateService.reloadLang(lang);
+	}
+
 	public setTranslation(locale: string, translations: Object): void {
 		this.translateService.setTranslation(locale, translations, false);
 	}

projects/systelab-translate/src/test/i18n.service.spec.ts

@@ -2,6 +2,7 @@ import { httpLoaderFactory, I18nService } from '../public-api';
 import { TestBed } from '@angular/core/testing';
 import { TranslateLoader, TranslateModule } from '@ngx-translate/core';
 import { HttpClient, HttpClientModule } from '@angular/common/http';
+import { switchMap } from 'rxjs/operators';
 
 describe('Translate Service', () => {
 	let service: I18nService;
@@ -318,4 +319,29 @@ describe('Translate Service', () => {
 			});
 	});
 
+	it('Check using reloadLanguage the translation of a key in english', (done) => {
+		service.use('en-US')
+			.pipe(
+				switchMap(()=>service.reloadLanguage('en-US'))
+			)
+			.subscribe(() => {
+					expect(service.instant('COMMON_DAY'))
+						.toBe('Day');
+					done();
+				},
+				(error) => {
+				});
+	});
+
+	it('Check using reloadLanguage the translation of a key in spanish', (done) => {
+		service.use('es-ES')
+			.pipe(
+				switchMap(()=>service.reloadLanguage('es-ES'))
+			)
+			.subscribe(() => {
+				expect(service.instant('COMMON_DAY'))
+					.toBe('Día');
+				done();
+			});
+	});
 });