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[CST-6876] Refactoring in order to remove nested subscriptions

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This commit is contained in:
Giuseppe Digilio
2022-10-03 14:07:59 +02:00
parent ac36cc20dc
commit f16dcc7942
1 changed files with 34 additions and 36 deletions
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70
src/app/shared/search/search-filters/search-filter/search-facet-filter/search-facet-filter.component.ts
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@@ -120,11 +120,10 @@ export class SearchFacetFilterComponent implements OnInit, OnDestroy {
this.searchOptions$.subscribe(() => this.updateFilterValueList()),
this.refreshFilters.asObservable().pipe(
filter((toRefresh: boolean) => toRefresh),
).subscribe(() => {
this.retrieveFilterValues(false);
})
mergeMap(() => this.retrieveFilterValues(false))
).subscribe()
);
this.retrieveFilterValues();
this.retrieveFilterValues().subscribe();
}
/**
@@ -279,7 +278,7 @@ export class SearchFacetFilterComponent implements OnInit, OnDestroy {
return getFacetValueForType(facet, this.filterConfig);
}
protected retrieveFilterValues(useCachedVersionIfAvailable = true) {
protected retrieveFilterValues(useCachedVersionIfAvailable = true): Observable<RemoteData<PaginatedList<FacetValue>[]>> {
const facetValues$ = observableCombineLatest([this.searchOptions$, this.currentPage]).pipe(
map(([options, page]) => {
return { options, page };
@@ -301,40 +300,39 @@ export class SearchFacetFilterComponent implements OnInit, OnDestroy {
);
let filterValues = [];
this.subs.push(
facetValues$.pipe(
mergeMap((facetOutcome) => {
const newValues$ = facetOutcome.values;
return facetValues$.pipe(
mergeMap((facetOutcome) => {
const newValues$ = facetOutcome.values;
if (this.collapseNextUpdate) {
this.showFirstPageOnly();
facetOutcome.page = 1;
this.collapseNextUpdate = false;
}
if (facetOutcome.page === 1) {
filterValues = [];
}
if (this.collapseNextUpdate) {
this.showFirstPageOnly();
facetOutcome.page = 1;
this.collapseNextUpdate = false;
}
if (facetOutcome.page === 1) {
filterValues = [];
}
filterValues = [...filterValues, newValues$];
filterValues = [...filterValues, newValues$];
return this.rdbs.aggregate(filterValues);
}),
tap((rd: RemoteData<PaginatedList<FacetValue>[]>) => {
this.selectedValues$ = this.filterService.getSelectedValuesForFilter(this.filterConfig).pipe(
map((selectedValues) => {
return selectedValues.map((value: string) => {
const fValue = [].concat(...rd.payload.map((page) => page.page))
.find((facetValue: FacetValue) => this.getFacetValue(facetValue) === value);
if (hasValue(fValue)) {
return fValue;
}
const filterValue = stripOperatorFromFilterValue(value);
return Object.assign(new FacetValue(), { label: filterValue, value: filterValue });
});
})
);
})
).subscribe((rd: RemoteData<PaginatedList<FacetValue>[]>) => {
return this.rdbs.aggregate(filterValues);
}),
tap((rd: RemoteData<PaginatedList<FacetValue>[]>) => {
this.selectedValues$ = this.filterService.getSelectedValuesForFilter(this.filterConfig).pipe(
map((selectedValues) => {
return selectedValues.map((value: string) => {
const fValue = [].concat(...rd.payload.map((page) => page.page))
.find((facetValue: FacetValue) => this.getFacetValue(facetValue) === value);
if (hasValue(fValue)) {
return fValue;
}
const filterValue = stripOperatorFromFilterValue(value);
return Object.assign(new FacetValue(), { label: filterValue, value: filterValue });
});
})
);
}),
tap((rd: RemoteData<PaginatedList<FacetValue>[]>) => {
this.animationState = 'ready';
this.filterValues$.next(rd);
})