ngrx-model/source/model/singletonModel.ts

Model classes for integrating ngrx store with a REST API

import { Observable } from 'rxjs';

import { RequestService } from '../request/request.service';
import { BaseModel, IBaseModelConfig } from './baseModel';

export interface ISingletonModelConfig<T> extends IBaseModelConfig<T> {

}

export class SingletonModel<T> extends BaseModel<T> {
	constructor(config: ISingletonModelConfig<T>, requestService: RequestService) {
		super(config, requestService);
	}

	update(newModel: T): Observable<T> {
		const request = this.requestService.update({
			domainObject: newModel,
			endpoint: this.url,
		});
		request.subscribe(model => this.dataStream$.next(model));
		return request;
	}

	init(): void {
		super.init();
		this.requestService.getItem<T>({
			endpoint: this.url,
		}).subscribe(model => this.dataStream$.next(model));
	}
}