Asymmetrik/ngx-starter

import { Directive, OnInit, inject } from '@angular/core';

import { map } from 'rxjs/operators';

import { PagingOptions } from '../../../common';
import { AsyHeaderTypeaheadFilterComponent } from '../../../common/table';
import { AuditService } from '../audit.service';

@Directive({
    selector: 'asy-header-filter[typeahead-filter][audit-actor-filter]',
    standalone: true
})
export class AuditActorFilterDirective implements OnInit {
    readonly #typeaheadFilter = inject(AsyHeaderTypeaheadFilterComponent);
    readonly #auditService = inject(AuditService);

    ngOnInit() {
        this.#typeaheadFilter.typeaheadFunc = this.typeaheadSearch.bind(this);
        this.#typeaheadFilter.buildFilterFunc = this.buildFilter;
    }

    typeaheadSearch(term: string) {
        return this.#auditService
            .matchUser(new PagingOptions(), {}, term)
            .pipe(map((pagingResult) => pagingResult.elements));
    }

    buildFilter(selectedValue: { _id: unknown }): object {
        if (!selectedValue) {
            return {};
        }
        return {
            ['audit.actor._id']: {
                $obj: selectedValue._id
            }
        };
    }
}