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Viewing file:     messageHandler.js (1.09 KB)      -rw-r--r--

const path = require("path");
const redis = require(path.resolve(process.cwd(), "config", "redisClient"));
const { chatQueue } = require("./queue/index.js");

const DELAY_MS = 1000; // 10 seconds idle delay

const handleIncomingMessage = async (userId,senderId, text) => {  
  // Push message to Redis buffer
  await redis.rpush(`buffer:${senderId}`, text);
  // Update last message timestamp
  await redis.set(`buffer:${senderId}:lastMessageAt`, Date.now());

  // Remove any previous delayed job for this user
  const existingJobId = await redis.get(`buffer:${senderId}:job`);  
  if (existingJobId) {
    try {
      const job = await chatQueue.getJob(existingJobId);
      if (job) await job.remove();
    } catch (err) {
      console.log("No existing job to remove:", err.message);
    }
  }

  // Add a new delayed job
  const job = await chatQueue.add(
    { userId, senderId },
    { delay: DELAY_MS, attempts: 5, backoff: 5000 }
  );

  // Save job id in Redis
  await redis.set(`buffer:${senderId}:job`, job.id);
  return true;
};

module.exports = { handleIncomingMessage };