adpa-enterprise-framework-automation/dist/services/DocumentService.js

Modular, standards-compliant Node.js/TypeScript automation framework for enterprise requirements, project, and data management. Provides CLI and API for BABOK v3, PMBOK 7th Edition, and DMBOK 2.0 (in progress). Production-ready Express.js API with TypeSpe

import { v4 as uuidv4 } from 'uuid';
import { logger } from '../config/logger.js';
export class DocumentService {
    jobs = new Map();
    async createConversionJob(jobData) {
        logger.info(`Creating conversion job ${jobData.id}`);
        this.jobs.set(jobData.id, jobData);
        // Simulate async processing
        this.simulateProcessing(jobData.id);
        return jobData;
    }
    async createBatchConversionJobs(batchId, jobs, userId, options) {
        logger.info(`Creating batch conversion jobs for batch ${batchId}`);
        const conversionJobs = jobs.map(job => ({
            id: uuidv4(),
            templateId: job.templateId,
            data: job.data,
            outputFormat: job.outputFormat || 'docx',
            options: options,
            userId,
            status: 'pending',
            createdAt: new Date(),
            updatedAt: new Date(),
            filename: job.filename
        }));
        // Store all jobs
        for (const job of conversionJobs) {
            this.jobs.set(job.id, job);
            this.simulateProcessing(job.id);
        }
        return conversionJobs;
    }
    async getJobStatus(jobId, userId) {
        const job = this.jobs.get(jobId);
        if (!job) {
            return null;
        }
        // Basic access control - users can only see their own jobs
        if (userId && job.userId !== userId && userId !== 'admin') {
            return null;
        }
        return job;
    }
    async downloadDocument(jobId, userId) {
        const job = await this.getJobStatus(jobId, userId);
        if (!job) {
            throw new Error('Job not found');
        }
        if (job.status !== 'completed') {
            throw new Error('Document not ready for download');
        }
        // Mock file stream
        const stream = {
            pipe: (res) => {
                res.write(`Mock document content for job ${jobId}`);
                res.end();
            }
        };
        return {
            stream,
            filename: job.filename || `document-${jobId}.${job.outputFormat}`,
            mimeType: this.getMimeType(job.outputFormat)
        };
    }
    async listJobs(page, limit, sort, order, filters) {
        let allJobs = Array.from(this.jobs.values());
        // Apply filters
        if (filters.userId) {
            allJobs = allJobs.filter(job => job.userId === filters.userId);
        }
        if (filters.status) {
            allJobs = allJobs.filter(job => job.status === filters.status);
        }
        if (filters.templateId) {
            allJobs = allJobs.filter(job => job.templateId === filters.templateId);
        }
        if (filters.createdAfter) {
            allJobs = allJobs.filter(job => job.createdAt >= filters.createdAfter);
        }
        if (filters.createdBefore) {
            allJobs = allJobs.filter(job => job.createdAt <= filters.createdBefore);
        }
        // Apply sorting
        allJobs.sort((a, b) => {
            let comparison = 0;
            switch (sort) {
                case 'created':
                    comparison = a.createdAt.getTime() - b.createdAt.getTime();
                    break;
                case 'updated':
                    comparison = a.updatedAt.getTime() - b.updatedAt.getTime();
                    break;
                case 'status':
                    comparison = a.status.localeCompare(b.status);
                    break;
                default:
                    comparison = a.createdAt.getTime() - b.createdAt.getTime();
            }
            return order === 'desc' ? -comparison : comparison;
        });
        // Apply pagination
        const startIndex = (page - 1) * limit;
        const endIndex = startIndex + limit;
        const paginatedJobs = allJobs.slice(startIndex, endIndex);
        return {
            jobs: paginatedJobs,
            total: allJobs.length,
            page,
            limit
        };
    }
    async cancelJob(jobId, userId) {
        const job = await this.getJobStatus(jobId, userId);
        if (!job) {
            return false;
        }
        if (job.status === 'completed' || job.status === 'failed') {
            return false; // Cannot cancel completed/failed jobs
        }
        job.status = 'cancelled';
        job.updatedAt = new Date();
        this.jobs.set(jobId, job);
        logger.info(`Job ${jobId} cancelled by user ${userId}`);
        return true;
    }
    simulateProcessing(jobId) {
        // Simulate async processing
        setTimeout(() => {
            const job = this.jobs.get(jobId);
            if (job && job.status === 'pending') {
                job.status = 'processing';
                job.progress = 25;
                job.updatedAt = new Date();
                this.jobs.set(jobId, job);
                setTimeout(() => {
                    const job = this.jobs.get(jobId);
                    if (job && job.status === 'processing') {
                        job.status = 'completed';
                        job.progress = 100;
                        job.completedAt = new Date();
                        job.updatedAt = new Date();
                        job.filename = `document-${jobId}.${job.outputFormat}`;
                        job.mimeType = this.getMimeType(job.outputFormat);
                        this.jobs.set(jobId, job);
                        logger.info(`Job ${jobId} completed successfully`);
                    }
                }, 15000); // Complete after 15 seconds
            }
        }, 5000); // Start processing after 5 seconds
    }
    getMimeType(format) {
        const mimeTypes = {
            'docx': 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
            'pdf': 'application/pdf',
            'html': 'text/html'
        };
        return mimeTypes[format] || 'application/octet-stream';
    }
}
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