typescript movies.query.ts

Posted 2021-05-20

export class MoviesQuery extends QueryEntity<State, Movie> {

  constructor(protected store: MoviesStore, 
              private actorsQuery: ActorsQuery, 
              private genresQuery: GenresQuery) {
    super(store);
  }

  selectMovies() {
    return combineLatest(
        this.selectAll(), 
        this.actorsQuery.selectAll({ asObject: true }), 
        this.genresQuery.selectAll({ asObject: true }))
     .pipe(
       auditTime(0),
       map(([movies, actors, genres]) => {
         return movies.map(movie => {
          return {
            ...movie,
            actors: movie.actors.map(actorId => actors[actorId]),
            genres: movie.genres.map(genreId => genres[genreId])
          };
        });
      })
    );
  }
}