41 lines
1.3 KiB
TypeScript
41 lines
1.3 KiB
TypeScript
import type { ILeagueRepository } from '../../domain/repositories/ILeagueRepository';
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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 { UseCaseOutputPort } from '@core/shared/application';
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export type GetTotalLeaguesInput = {};
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export type GetTotalLeaguesResult = {
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totalLeagues: number;
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};
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export type GetTotalLeaguesErrorCode = 'REPOSITORY_ERROR';
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export class GetTotalLeaguesUseCase {
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constructor(
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private readonly leagueRepository: ILeagueRepository,
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private readonly output: UseCaseOutputPort<GetTotalLeaguesResult>,
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) {}
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async execute(
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_input: GetTotalLeaguesInput,
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): Promise<Result<void, ApplicationErrorCode<GetTotalLeaguesErrorCode, { message: string }>>> {
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try {
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const leagues = await this.leagueRepository.findAll();
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const result: GetTotalLeaguesResult = { totalLeagues: leagues.length };
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this.output.present(result);
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return Result.ok(undefined);
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} catch (err) {
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const error = err as { message?: string } | undefined;
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return Result.err({
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code: 'REPOSITORY_ERROR',
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details: {
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message: error?.message ?? 'Failed to compute total leagues',
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},
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});
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}
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}
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} |