fase(15): reporting module with pdf generation

src/modules/reporting/application/commands/GenerateReportCommand.ts

@@ -0,0 +1,50 @@
+import { UseCase } from '../../../../shared/application/UseCase';
+import { Result, Ok, Err } from '../../../../shared/domain/Result';
+import { EventBus } from '../../../../shared/application/EventBus';
+import { IReportRepository } from '../../domain/ports/IReportRepository';
+import { Report, ReportFilters } from '../../domain/entities/Report';
+import { ReportFormat } from '../../domain/value-objects/ReportFormat';
+
+export interface GenerateReportRequest {
+  title: string;
+  format: 'html' | 'json' | 'pdf';
+  filters?: ReportFilters;
+}
+
+export interface GenerateReportResponse {
+  reportId: string;
+  status: string;
+}
+
+export class GenerateReportCommand
+  implements UseCase<GenerateReportRequest, GenerateReportResponse, string>
+{
+  constructor(
+    private readonly reportRepository: IReportRepository,
+    private readonly eventBus: EventBus
+  ) {}
+
+  async execute(request: GenerateReportRequest): Promise<Result<GenerateReportResponse, string>> {
+    let format: ReportFormat;
+    try {
+      format = ReportFormat.fromString(request.format);
+    } catch {
+      return Err(`Invalid format: ${request.format}`);
+    }
+
+    const report = Report.create({
+      title: request.title,
+      format,
+      filters: request.filters ?? {},
+    });
+
+    await this.reportRepository.save(report);
+
+    const events = report.clearEvents();
+    for (const event of events) {
+      await this.eventBus.publish(event);
+    }
+
+    return Ok({ reportId: report.id.toString(), status: report.status.value });
+  }
+}