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chore: improve performance #41

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reya merged 9 commits from fix-perf into master 2026-07-11 12:45:54 +00:00
Conversation 0 Commits 9 Files Changed 34 +29 -40
2 changed files with 29 additions and 40 deletions
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Showing only changes of commit 8ea66d1769 - Show all commits

47
shared/src/commonMain/kotlin/su/reya/coop/viewmodel/ChatViewModel.kt
View File

@@ -24,7 +24,7 @@ import su.reya.coop.repository.MediaRepository
import su.reya.coop.roomId
data class ChatState(
val rooms: Set<Room> = emptySet(),
val rooms: Map<Long, Room> = emptyMap(),
val isSyncing: Boolean = false,
val isPartialProcessedGiftWrap: Boolean = false,
)
@@ -48,8 +48,8 @@ class ChatViewModel(private val nostr: Nostr) : BaseViewModel() {
private val _sentReports = MutableSharedFlow<Map<EventId, List<RelayUrl>>>()
val sentReport = _sentReports.asSharedFlow()
val chatRooms = state.map { it.rooms }
.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), emptySet())
val chatRooms = state.map { it.rooms.values.sortedByDescending { it.createdAt.asSecs() } }
.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), emptyList())
val isSyncing = state.map { it.isSyncing }
.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), false)
@@ -80,16 +80,12 @@ class ChatViewModel(private val nostr: Nostr) : BaseViewModel() {
launch {
nostr.newEvents.collect { event ->
val roomId = event.roomId()
val existingRoom = _state.value.rooms.firstOrNull { it.id == roomId }
val existingRoom = _state.value.rooms[roomId]
if (existingRoom == null) {
val currentUser = nostr.signer.getPublicKeyAsync() ?: return@collect
val newRoom = Room.new(event, currentUser)
_state.update {
it.copy(
rooms = (it.rooms + newRoom).sortedDescending().toSet()
)
}
_state.update { it.copy(rooms = it.rooms + (newRoom.id to newRoom)) }
} else {
updateRoomList(roomId, event)
}
@@ -117,7 +113,7 @@ class ChatViewModel(private val nostr: Nostr) : BaseViewModel() {
// Check if the room already exists
val id = rumor.roomId()
val existingRoom = _state.value.rooms.firstOrNull { it.id == id }
val existingRoom = _state.value.rooms[id]
// If the room already exists, return its ID
if (existingRoom != null) {
@@ -128,7 +124,7 @@ class ChatViewModel(private val nostr: Nostr) : BaseViewModel() {
val room = Room.new(rumor, currentUser)
// Update the chat rooms state
_state.update { it.copy(rooms = (it.rooms + room).sortedDescending().toSet()) }
_state.update { it.copy(rooms = it.rooms + (room.id to room)) }
return room.id
} catch (e: Exception) {
@@ -137,18 +133,16 @@ class ChatViewModel(private val nostr: Nostr) : BaseViewModel() {
}
fun getChatRoom(id: Long): Room? {
return _state.value.rooms.firstOrNull { it.id == id }
return _state.value.rooms[id]
}
suspend fun refreshChatRooms() {
try {
val rooms = nostr.messages.getChatRooms() ?: emptySet()
_state.update { currentState ->
val merged = currentState.rooms.associateBy { it.id }.toMutableMap()
// Add or update rooms from the database
rooms.forEach { room -> merged[room.id] = room }
// Return as a sorted set to maintain UI consistency
currentState.copy(rooms = merged.values.sortedDescending().toSet())
val newMap = currentState.rooms.toMutableMap()
rooms.forEach { room -> newMap[room.id] = room }
currentState.copy(rooms = newMap)
}
} catch (e: Exception) {
showError("Error: ${e.message}")
@@ -230,24 +224,19 @@ class ChatViewModel(private val nostr: Nostr) : BaseViewModel() {
private fun updateRoomList(roomId: Long, newMessage: UnsignedEvent) {
_state.update { currentState ->
val updatedRooms = currentState.rooms.map { room ->
if (room.id == roomId) {
room.copy(
lastMessage = newMessage.content(),
createdAt = newMessage.createdAt()
)
} else {
room
}
}.sortedDescending().toSet()
currentState.copy(rooms = updatedRooms)
val room = currentState.rooms[roomId] ?: return@update currentState
val updatedRoom = room.copy(
lastMessage = newMessage.content(),
createdAt = newMessage.createdAt()
)
currentState.copy(rooms = currentState.rooms + (roomId to updatedRoom))
}
}
fun resetInternalState() {
_state.update {
it.copy(
rooms = emptySet(),
rooms = emptyMap(),
isPartialProcessedGiftWrap = false,
)
}

22
shared/src/commonMain/kotlin/su/reya/coop/viewmodel/NostrViewModel.kt
View File

@@ -71,7 +71,7 @@ class NostrViewModel(private val nostr: Nostr) : BaseViewModel() {
private val profiles = mutableMapOf<PublicKey, MutableStateFlow<Profile?>>()
private val metadataRequestChannel = Channel<PublicKey>(Channel.UNLIMITED)
private val seenPublicKeys = mutableSetOf<PublicKey>()
val isRelayListEmpty = appState.map { it.isRelayListEmpty }
.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), false)
@@ -158,12 +158,14 @@ class NostrViewModel(private val nostr: Nostr) : BaseViewModel() {
viewModelScope.launch {
// Wait until the client is ready
nostr.waitUntilInitialized()
val cache = nostr.profiles.getAllCacheMetadata()
nostr.profiles.getAllCacheMetadata().forEach { (pubkey, metadata) ->
// Update the metadata state
updateMetadata(pubkey, Profile(pubkey, metadata))
// Update seenPublicKeys to avoid duplicate requests
seenPublicKeys.add(pubkey)
profilesMutex.withLock {
cache.forEach { (pubkey, metadata) ->
val profile = Profile(pubkey, metadata)
profiles.getOrPut(pubkey) { MutableStateFlow(null) }.value = profile
seenPublicKeys.add(pubkey)
}
}
}
}
@@ -196,11 +198,9 @@ class NostrViewModel(private val nostr: Nostr) : BaseViewModel() {
}
}
private fun updateMetadata(pubkey: PublicKey, profile: Profile) {
viewModelScope.launch {
profilesMutex.withLock {
profiles.getOrPut(pubkey) { MutableStateFlow(null) }.value = profile
}
private suspend fun updateMetadata(pubkey: PublicKey, profile: Profile) {
profilesMutex.withLock {
profiles.getOrPut(pubkey) { MutableStateFlow(null) }.value = profile
}
}