🚀 Elite Accountant Hub: Foundation & Trojan Horse deployment

backend/src/modules/invoices/bulk-upload.processor.ts

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+import { Processor, Process } from '@nestjs/bull';
+import { Job } from 'bull';
+import { Logger } from '@nestjs/common';
+import { InjectRedis } from '@liaoliaots/nestjs-redis';
+import Redis from 'ioredis';
+import { InvoicesService } from './invoice.service';
+
+@Processor('invoice-bulk-queue')
+export class BulkUploadProcessor {
+  private readonly logger = new Logger(BulkUploadProcessor.name);
+
+  constructor(
+    private readonly invoicesService: InvoicesService,
+    @InjectRedis() private readonly redis: Redis,
+  ) {}
+
+  @Process('process-zip')
+  async handleBulkZip(job: Job<{ filePath: string, companyId: string, tenantId: string }>) {
+    const { filePath, companyId, tenantId } = job.data;
+    this.logger.log(`Processing bulk ZIP: ${filePath} for Company: ${companyId}`);
+
+    // TODO: Implement ZIP extraction (adm-zip or unzipper)
+    // TODO: For each file in ZIP:
+    // 1. Calculate Hash (MD5/SHA256)
+    // 2. Check Redis SMEMBERS to prevent duplicate processing
+    // const hash = 'calculated_file_hash';
+    // const exists = await this.redis.sismember(`company:${companyId}:invoice-hashes`, hash);
+    // if (exists) return;
+    
+    // 3. Save hash and trigger individual processing
+    // await this.redis.sadd(`company:${companyId}:invoice-hashes`, hash);
+    // await this.invoicesService.processSingleFile(fileInZip, tenantId, companyId);
+  }
+}