Asymmetrik/ngx-starter

import { HttpClient } from '@angular/common/http';
import { Injectable, inject } from '@angular/core';

import { Observable, of } from 'rxjs';
import { catchError, map } from 'rxjs/operators';

import { NULL_PAGING_RESULTS, PagingResults } from '../../common';
import { LocalStorageService } from '../../common/storage/local-storage.service';
import { User } from '../auth';

const LOCAL_STORAGE_KEY = 'MASQ_DN';

@Injectable({ providedIn: 'root' })
export class MasqueradeService {
    #http = inject(HttpClient);

    #storage = new LocalStorageService();

    clear() {
        this.#storage.removeValue(LOCAL_STORAGE_KEY);
    }

    setMasqueradeDn(dn: string | null | undefined) {
        this.#storage.setValue(LOCAL_STORAGE_KEY, dn);
    }

    getMasqueradeDn(): string | undefined {
        return this.#storage.getValue(LOCAL_STORAGE_KEY);
    }

    searchUsers(
        query: unknown = {},
        search = '',
        options: unknown = {}
    ): Observable<PagingResults<User>> {
        return this.#http.post<PagingResults>('api/users', { q: query, s: search, options }).pipe(
            map((pagingResults) => {
                return {
                    ...pagingResults,
                    elements: pagingResults.elements.map((model) => new User(model))
                } as PagingResults<User>;
            }),
            catchError(() => of(NULL_PAGING_RESULTS as PagingResults<User>))
        );
    }
}