README.md

nasa-images-search-data-access

• nasa-images-search-data-access
  • Description
  • Services
    • NasaImagesApiService
  • State
    • Actions
    • Facade
  • Running unit tests
  • Useful links

Description

This library gives some state management and services to deal with NASA Images API and internal app state.

Services

NasaImagesApiService

It extends ApiService and implement concrete logic to send API calls and map the response, send request result, manage errors. Use as usual with a regular service, usually inside an `@ngrx Effects'.

State

export interface NasaImage {
  id: string;
  title: string;
  description: string;
  keywords?: string[];
  dateCreated: Date;
  creator: string;
  links: NasaImageLink[];
  location?: string;
}

// The store feature is called 'images'.
export const NASA_IMAGES_FEATURE_KEY = 'images';

export interface NasaImagesState extends EntityState<NasaImage> {
  selectedId?: string;
  loading: boolean;
  count: number;
  error?: string | null;
}

Import the store feature and the corresponding Effects array it in the feature module as usual.

Actions

• load
• loadSuccess
• loadFailure
• cleanUp

Facade

To use selectors and dispatch actions, DI the NasaImagesFacade service.

Running unit tests

Run nx test nasa-images-search-data-access to execute the unit tests.

Useful links

• @ngrx/store
• @ngrx/effects