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This commit is contained in:
Adina Țeudan 2024-03-06 17:25:53 +02:00
parent 9faca532c6
commit 47e371a41e
1 changed files with 25 additions and 34 deletions
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59
src/lib/listing/services/paginated-entities.service.ts
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@ -25,7 +25,7 @@ const DEFAULT_PAGE_SIZE = 100;
/**
* By default, if no implementation (class) is provided, Class = Interface & IListable
*/
export class PaginatedEntitiesService<
export abstract class PaginatedEntitiesService<
Interface,
Class extends Interface & IListable<PrimaryKey>,
SearchOptions,
@ -38,50 +38,41 @@ export class PaginatedEntitiesService<
totalHits: 0,
};
searchQuery = '';
protected abstract readonly _searchKey: keyof SearchOptions;
get searchQuery(): string {
return this._currentConfig.options[this._searchKey] as string;
}
get config(): PaginatedConfig<SearchOptions> {
return this._currentConfig;
}
updateSearchOptionsAndReload(options: SearchOptions): Observable<Class[]> {
this._currentConfig = { ...this._currentConfig, options };
return this.loadPage(0);
updateSearchQueryAndReload(value: string): Observable<Class[]> {
return this.loadPage(0, this._currentConfig.pageSize, { [this._searchKey]: value } as SearchOptions);
}
reloadPage(): Observable<Class[]> {
return this.loadPage(this._currentConfig.page);
}
loadPage(page = 0, pageSize?: number): Observable<Class[]> {
const options = this._currentConfig.options;
return super
._post<PaginatedResponse<Interface>>({
page,
size: pageSize ?? this._currentConfig.pageSize,
options,
})
.pipe(
tap(
response =>
(this._currentConfig = {
options,
page: response.page,
pageSize: response.pageSize,
totalHits: response.totalHits,
}),
),
map(response => response.data),
mapEach(entity => (this._entityClass ? new this._entityClass(entity) : (entity as unknown as Class))),
tap((entities: Class[]) => this.setEntities(entities)),
);
}
loadPage(page = 0, pageSize?: number, searchOptions?: SearchOptions): Observable<Class[]> {
const options = searchOptions ?? this._currentConfig.options;
const size = pageSize ?? this._currentConfig.pageSize;
loadNextPage(): Observable<Class[]> {
return this.loadPage(this._currentConfig.page + 1);
}
loadPreviousPage(): Observable<Class[]> {
return this.loadPage(this._currentConfig.page - 1);
return super._post<PaginatedResponse<Interface>>({ page, size, options }).pipe(
tap(
response =>
(this._currentConfig = {
options,
page: response.page,
pageSize: response.pageSize,
totalHits: response.totalHits,
}),
),
map(response => response.data),
mapEach(entity => (this._entityClass ? new this._entityClass(entity) : (entity as unknown as Class))),
tap((entities: Class[]) => this.setEntities(entities)),
);
}
}