Skip mark-read only when the server has no message in the channel - #6646
Skip mark-read only when the server has no message in the channel#6646gpunto wants to merge 2 commits into
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WalkthroughThe change clarifies ChangesMessage read marking
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: 🔵 Low · up to When the current user has not loaded yet, the updated guard may treat an own local-only message as server-backed and mark the channel read prematurely, potentially clearing unread state. The PR is otherwise mergeable, but this bounded lifecycle case should be fixed or explicitly accepted by the owner. Suggested reviewers: Poem
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Actionable comments posted: 1
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Inline comments:
In
`@stream-chat-android-ui-common/src/main/kotlin/io/getstream/chat/android/ui/common/feature/messages/list/MessageListController.kt`:
- Around line 1729-1732: Update the message-list read-marking flow around
hasServerSideMessage to return without calling markRead when
clientState.user.value is unavailable; only evaluate local-only ownership after
a non-null current user is obtained. Add a test covering the debounced callback
running before user state loads and verifying that markRead is not triggered.
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📒 Files selected for processing (3)
stream-chat-android-client/src/main/java/io/getstream/chat/android/client/utils/message/MessageUtils.ktstream-chat-android-ui-common/src/main/kotlin/io/getstream/chat/android/ui/common/feature/messages/list/MessageListController.ktstream-chat-android-ui-common/src/test/kotlin/io/getstream/chat/android/ui/common/feature/messages/list/MessageListControllerTests.kt
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andremion
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andremion
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Looks good. One non-blocking note inline.
| if (message != null && message.user.id == currentUserId && message.isLocalOnly()) { | ||
| logger.v { "[markLastMessageRead] cid: $cid; rejected[$isInThread] (own local-only): $messageId" } | ||
| val hasServerSideMessage = messageItems.any { item -> | ||
| !(item.message.isMine(currentUserId) && item.message.isLocalOnly()) |
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Not blocking, just noting it while this is fresh: the gate treats any message that is not our own local-only one as proof the server has something to resolve, but the server also leaves silent and shadowed messages out of its read state. Both fields are on Message and neither is filtered out of messageItems, so a channel whose only message is a silent system message (the text passed to addMembers, say) still reaches markRead with nothing to resolve, and the same goes for a shadow-banned user's own message. The old check let both through too, so nothing got worse here. Any appetite for adding silent and shadowed to the predicate, or would you rather keep that separate?
2 participants
Goal
The mark-read guard added in #6643 skips whenever the last item in the list is the current user's own local-only message, which also suppresses legitimate mark-read in channels the server does have messages for. An
errormessage is terminal, so a rejected or moderation-bounced send stays the last item and keeps those channels unread indefinitely. Narrow the skip to the only case that produces the malformed read event: no loaded message came from the server.v6 port of #6644. Closes AND-1395
Implementation
MessageListController.markLastMessageReadInternal: replace the "last item is our own local-only message" check with "no message in the list came from the server".isLocalOnlyKDoc: an ephemeral row is persisted server side, it is left out of message queries and read state.Testing
last_read_message_id.Summary by CodeRabbit
Bug Fixes
Documentation