91 lines
2.6 KiB
TypeScript
91 lines
2.6 KiB
TypeScript
/**
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* Use Case: SelectAvatarUseCase
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*
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* Handles the business logic for selecting a generated avatar from the options.
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*/
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import type { IAvatarGenerationRepository } from '../../domain/repositories/IAvatarGenerationRepository';
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import type { Logger, UseCaseOutputPort } from '@core/shared/application';
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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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export interface SelectAvatarInput {
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requestId: string;
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selectedIndex: number;
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}
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export interface SelectAvatarResult {
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requestId: string;
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selectedAvatarUrl: string;
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}
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export type SelectAvatarErrorCode =
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| 'REQUEST_NOT_FOUND'
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| 'REQUEST_NOT_COMPLETED'
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| 'REPOSITORY_ERROR';
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export type SelectAvatarApplicationError = ApplicationErrorCode<
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SelectAvatarErrorCode,
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{ message: string }
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>;
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export class SelectAvatarUseCase {
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constructor(
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private readonly avatarRepo: IAvatarGenerationRepository,
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private readonly output: UseCaseOutputPort<SelectAvatarResult>,
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private readonly logger: Logger,
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) {}
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async execute(input: SelectAvatarInput): Promise<Result<void, SelectAvatarApplicationError>> {
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this.logger.info('[SelectAvatarUseCase] Selecting avatar', {
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requestId: input.requestId,
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selectedIndex: input.selectedIndex,
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});
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try {
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const request = await this.avatarRepo.findById(input.requestId);
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if (!request) {
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return Result.err<void, SelectAvatarApplicationError>({
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code: 'REQUEST_NOT_FOUND',
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details: { message: 'Avatar generation request not found' },
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});
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}
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if (request.status !== 'completed') {
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return Result.err<void, SelectAvatarApplicationError>({
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code: 'REQUEST_NOT_COMPLETED',
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details: { message: 'Avatar generation is not completed yet' },
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});
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}
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request.selectAvatar(input.selectedIndex);
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await this.avatarRepo.save(request);
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const selectedAvatarUrl = request.selectedAvatarUrl!;
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this.output.present({
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requestId: input.requestId,
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selectedAvatarUrl,
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});
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this.logger.info('[SelectAvatarUseCase] Avatar selected successfully', {
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requestId: input.requestId,
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selectedAvatarUrl,
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});
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return Result.ok(undefined);
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} catch (error) {
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const err = error instanceof Error ? error : new Error(String(error));
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this.logger.error('[SelectAvatarUseCase] Error selecting avatar', err, {
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requestId: input.requestId,
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});
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return Result.err({
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code: 'REPOSITORY_ERROR',
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details: { message: err.message ?? 'Unexpected repository error' },
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});
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}
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}
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} |