@universis/common
Version:
Universis - common directives and services
112 lines (111 loc) • 12.5 kB
JavaScript
import * as tslib_1 from "tslib";
import { EventEmitter, Injectable, InjectionToken, Injector } from '@angular/core';
import { TranslateService } from '@ngx-translate/core';
import { HttpClient } from '@angular/common/http';
import { isDevMode } from '@angular/core';
import { DATA_CONTEXT_CONFIG } from '@themost/angular';
export let APP_CONFIGURATION = new InjectionToken('app.configuration');
/**
*
* This Service is used to get or set global configuration for the project
* @export
* @class ConfigurationService
*/
export class ConfigurationService {
constructor(_translateService, _injector, _http) {
this._translateService = _translateService;
this._injector = _injector;
this._http = _http;
this.loaded = new EventEmitter(null);
//
}
/**
*
* Load Configs saved in Project
* @returns {Promise<any>}
* @memberof ConfigurationService
*/
load() {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
if (this.config) {
return true;
}
// get environment
const env = isDevMode() ? 'development' : 'production';
// load configuration based on environment
// e.g. assets/config/app.production.json or
// assets/config/app.development.json
try {
return yield this.loadFrom(`assets/config/app.${env}.json`);
}
catch (err) {
if (err.status === 404) { // not found
// load default application configuration
return yield this.loadFrom(`assets/config/app.json`);
}
throw err;
}
});
}
loadFrom(url) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
// get configuration from url
this.config = yield new Promise((resolve, reject) => {
this._http.get(url).subscribe(result => {
return resolve(result);
}, err => {
return reject(err);
});
});
// get DATA_CONTEXT_CONFIG
const dataContextConfig = this._injector.get(DATA_CONTEXT_CONFIG);
// IMPORTANT: Set DATA_CONTEXT_CONFIG base URI from configuration
dataContextConfig.base = this.config.settings.remote.server;
// set locale for translate service
this._translateService.use(this.currentLocale);
// emit event for loaded configuration
this.loaded.emit(this.config);
// return
return true;
});
}
/**
* Gets current application settings
*/
get settings() {
return this.config && this.config.settings;
}
/**
* Gets the current user language
*/
get currentLocale() {
const currentLang = localStorage.getItem('currentLang');
if (currentLang) {
return currentLang;
}
if (this.settings &&
this.settings.i18n &&
this.settings.i18n.defaultLocale) {
// return current language
return this.settings.i18n.defaultLocale;
}
// use fallback language
return 'en';
}
set currentLocale(locale) {
// save current locale
localStorage.setItem('currentLang', locale);
// set locale for translate service
this._translateService.use(locale);
}
}
ConfigurationService.decorators = [
{ type: Injectable }
];
/** @nocollapse */
ConfigurationService.ctorParameters = () => [
{ type: TranslateService },
{ type: Injector },
{ type: HttpClient }
];
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'development' : 'production';\n    // load configuration based on environment\n    // e.g. assets/config/app.production.json or\n    // assets/config/app.development.json\n    try {\n      return await this.loadFrom(`assets/config/app.${env}.json`);\n    } catch (err) {\n      if (err.status === 404) { // not found\n        // load default application configuration\n        return await this.loadFrom(`assets/config/app.json`);\n      }\n      throw err;\n    }\n  }\n\n  public async loadFrom(url: string): Promise<boolean> {\n\n    // get configuration from url\n    this.config = await new Promise((resolve, reject) => {\n      this._http.get(url).subscribe( result => {\n        return resolve(result);\n      }, err => {\n        return reject(err);\n      });\n    });\n    // get DATA_CONTEXT_CONFIG\n    const dataContextConfig = this._injector.get(DATA_CONTEXT_CONFIG);\n    // IMPORTANT: Set DATA_CONTEXT_CONFIG base URI from configuration\n    dataContextConfig.base = this.config.settings.remote.server;\n    // set locale for translate service\n    this._translateService.use(this.currentLocale);\n    // emit event for loaded configuration\n    this.loaded.emit(this.config as ApplicationConfiguration);\n    // return\n    return true;\n  }\n\n  /**\n   * Gets current application settings\n   */\n  get settings(): SettingsConfiguration {\n    return this.config && this.config.settings;\n  }\n\n  /**\n   * Gets the current user language\n   */\n  get currentLocale(): string {\n    const currentLang = localStorage.getItem('currentLang');\n    if (currentLang) {\n      return currentLang;\n    }\n    if (this.settings &&\n        this.settings.i18n &&\n        this.settings.i18n.defaultLocale) {\n      // return current language\n      return this.settings.i18n.defaultLocale;\n    }\n    // use fallback language\n    return 'en';\n  }\n\n  set currentLocale(locale: string) {\n    // save current locale\n    localStorage.setItem('currentLang', locale);\n    // set locale for translate service\n    this._translateService.use(locale);\n  }\n\n}\n"]}