31 lines
1.2 KiB
TypeScript
31 lines
1.2 KiB
TypeScript
import type { IDriverRepository } from '../../domain/repositories/IDriverRepository';
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import type { TotalDriversResultDTO } from '../presenters/ITotalDriversPresenter';
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import { Result } from '@core/shared/application/Result';
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import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
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import type { AsyncUseCase } from '@core/shared/application';
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import type { Logger } from '@core/shared/application';
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/**
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* Use Case for retrieving total number of drivers.
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*/
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export class GetTotalDriversUseCase implements AsyncUseCase<void, TotalDriversResultDTO, 'REPOSITORY_ERROR'>
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{
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constructor(
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private readonly driverRepository: IDriverRepository,
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private readonly logger: Logger,
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) {}
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async execute(): Promise<Result<TotalDriversResultDTO, ApplicationErrorCode<'REPOSITORY_ERROR'>>> {
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try {
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const drivers = await this.driverRepository.findAll();
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const dto: TotalDriversResultDTO = {
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totalDrivers: drivers.length,
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};
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return Result.ok(dto);
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} catch (error) {
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this.logger.error('Error retrieving total drivers', error as Error);
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return Result.err({ code: 'REPOSITORY_ERROR', details: { message: 'Failed to retrieve total drivers' } });
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}
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}
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} |