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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | 18x 18x 18x 18x 18x 34x 34x 8x 8x 7x 7x 6x 1x 1x | /**
* Search sort service.
* @packageDocumentation
*/
import { Injectable, Inject, forwardRef } from '@nestjs/common';
import { DBService } from '../db/db.service';
import { NBSearchSort } from './search-sort.interface';
import { ServiceException } from '../service.exception';
/**
* Search sort table name.
*/
export const searchSortTableName = 'NB_SEARCH_SORT';
/**
* Search sort table service.
*/
@Injectable()
export class SearchSortService {
constructor(
@Inject(forwardRef(() => DBService))
private readonly dbService: DBService,
) {}
/**
* Determine whether or not a search sort option exists.
*
* @param sortID The sort option ID.
* @returns Whether or not the search sort option exists.
*/
public async sortOptionExists(sortID: number): Promise<boolean> {
const sortOption = await this.dbService.getByID<NBSearchSort>(
searchSortTableName,
sortID,
);
return !!sortOption;
}
/**
* Get a search sort option.
*
* @param sortID The sort option ID.
* @returns The search sort option.
*/
public async getSortOption(sortID: number): Promise<NBSearchSort> {
const sortOption = await this.dbService.getByID<NBSearchSort>(
searchSortTableName,
sortID,
);
if (sortOption) {
return sortOption;
} else {
throw new ServiceException('Search sort option does not exist');
}
}
/**
* Get all search sort options.
*/
public async getSortOptions(): Promise<NBSearchSort[]> {
return this.dbService.list<NBSearchSort>(searchSortTableName, {
fieldName: 'id',
sortOrder: 'ASC',
});
}
}
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