flyer-crawler.projectium.com/src/services/systemService.ts

// src/services/systemService.ts
import { exec } from 'child_process';
import { promisify } from 'util';
import { logger } from './logger.server';

const execAsync = promisify(exec);

class SystemService {
  async getPm2Status(): Promise<{ success: boolean; message: string }> {
    try {
      const { stdout } = await execAsync('pm2 describe flyer-crawler-api');
      const isOnline = /│ status\s+│ online\s+│/m.test(stdout);
      const message = isOnline
        ? 'Application is online and running under PM2.'
        : 'Application process exists but is not online.';
      return { success: isOnline, message };
    } catch (error: any) {
      if (error.stdout && error.stdout.includes("doesn't exist")) {
        logger.warn('[SystemService] PM2 process "flyer-crawler-api" not found.');
        return {
          success: false,
          message: 'Application process is not running under PM2.',
        };
      }
      logger.error({ error: error.stderr || error.message }, '[SystemService] Error executing pm2 describe:');
      throw error;
    }
  }
}

export const systemService = new SystemService();