Implement message deduplication to prevent duplicate webhooks in GOWS #1718
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Pull request overview
This PR implements message deduplication to prevent duplicate webhooks in the GOWS (Go-WhatsApp) engine, addressing issue #1564. The solution handles cases where WhatsApp delivers the same message multiple times, either with identical IDs or with different chat identifiers (LID vs JID) but the same underlying unique message ID.
Key Changes:
- Added
DistinctMessages()operator that deduplicates messages based on WhatsApp's unique message ID combined with thefromMeflag - Applied deduplication to both incoming message streams (
messagesFromMe$andmessagesFromOthers$) in the GOWS session
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| src/core/utils/reactive.ts | Adds the DistinctMessages() RxJS operator and helper function extractUniqueMessageId() to extract the unique WhatsApp-generated message ID from serialized message IDs for deduplication purposes |
| src/core/engines/gows/session.gows.core.ts | Imports and applies DistinctMessages() to both message streams, with filter(Boolean) added before deduplication to handle null messages from processIncomingMessage() |
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This was referenced Dec 17, 2025
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