64 lines
2.0 KiB
TypeScript
64 lines
2.0 KiB
TypeScript
import type { Logger, UseCase, 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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import type { IPageViewRepository } from '../../domain/repositories/IPageViewRepository';
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export interface GetAnalyticsMetricsInput {
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startDate?: Date;
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endDate?: Date;
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}
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export interface GetAnalyticsMetricsOutput {
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pageViews: number;
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uniqueVisitors: number;
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averageSessionDuration: number;
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bounceRate: number;
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}
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export type GetAnalyticsMetricsErrorCode = 'REPOSITORY_ERROR';
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export class GetAnalyticsMetricsUseCase implements UseCase<GetAnalyticsMetricsInput, void, GetAnalyticsMetricsErrorCode> {
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constructor(
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private readonly pageViewRepository: IPageViewRepository,
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private readonly logger: Logger,
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private readonly output: UseCaseOutputPort<GetAnalyticsMetricsOutput>,
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) {}
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async execute(input: GetAnalyticsMetricsInput = {}): Promise<Result<void, ApplicationErrorCode<GetAnalyticsMetricsErrorCode, { message: string }>>> {
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try {
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const startDate = input.startDate ?? new Date(Date.now() - 30 * 24 * 60 * 60 * 1000); // 30 days ago
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const endDate = input.endDate ?? new Date();
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// TODO static data
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const pageViews = 0;
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const uniqueVisitors = 0;
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const averageSessionDuration = 0;
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const bounceRate = 0;
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const resultModel: GetAnalyticsMetricsOutput = {
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pageViews,
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uniqueVisitors,
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averageSessionDuration,
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bounceRate,
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};
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this.output.present(resultModel);
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this.logger.info('Analytics metrics retrieved', {
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startDate,
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endDate,
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pageViews,
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uniqueVisitors,
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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 as Error;
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this.logger.error('Failed to get analytics metrics', err, { input });
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return Result.err({
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code: 'REPOSITORY_ERROR',
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details: { message: err.message ?? 'Failed to get analytics metrics' },
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});
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}
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}
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} |