Add Group Message Read Receipt Functionality#1029
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rookiewwj wants to merge 1 commit intoopenimsdk:mainfrom
Open
Add Group Message Read Receipt Functionality#1029rookiewwj wants to merge 1 commit intoopenimsdk:mainfrom
rookiewwj wants to merge 1 commit intoopenimsdk:mainfrom
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part of openimsdk/open-im-server#3527
Summary
SDK-side support for group message read receipts: introduce a cursor model, a sync API, and improved notification handling.
Part of openimsdk/open-im-server#3527
Data Model
readCursorState: stores the latest per-conversationcursorVersionused as the anchor for incremental sync.ReadCursor: maintains (convID, uid) → maxReadSeq for each user in a conversation.Message.AttachmentInfo.cursorVersion: records thecursorVersionat the last projection/update, enabling idempotency and preventing duplicate projections.API
getConversationReadCursors(): syncs conversation read cursors from the server to local storage; persists(convID, uid, maxReadSeq)and updates local caches/indexes.projectGroupReadInfo(): projects cursor data from the local DB ontoMessage.AttachmentInfo; recommended to call for messages in the visible viewport.Notifications
readCursorStateandReadCursor.