Cut views over to ConversationStore; delete legacy store, bridge, resolver

Feature models observe per-conversation objects directly: PublicChatModel
forwards the active Conversation's objectWillChange, PrivateInboxModel
republishes only for the selected peer's conversation - background
appends no longer invalidate foreground views. LegacyConversationStore,
the coalescing bridge, and IdentityResolver are deleted (resolver
canonicalization proved display-invisible: nothing enumerates direct
conversations, lookups are by exact peer ID, and raw keying is strictly
more robust - documented as a design deviation). Selection state moves
into the store. ChatViewModel.messages/privateChats survive as derived
read views for coordinators that genuinely need them; hot paths use a
new store-direct privateMessages(for:) witness.

Final numbers vs pre-migration baselines:
pipeline.privateIngest 9.7k -> 24.0k msg/s (2.5x)
pipeline.publicIngest  6.8k -> 13.7k msg/s (2.0x)
delivery updates       38k  -> 117-133k/s

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
jack
2026-06-11 13:57:12 +02:00
co-authored by Claude Fable 5
parent 7fb1f4a219
commit 38331e62f1
32 changed files with 542 additions and 1214 deletions
+3 -310
View File
@@ -66,12 +66,12 @@ actor AppEventStream {
}
}
/// Identity key for a direct conversation. Equality and hashing use the
/// canonical `id` only; `routingPeerID` carries the transport-level peer ID
/// the conversation is keyed under (see `ConversationID.directPeer`).
struct PeerHandle: Sendable, Identifiable {
let id: String
let routingPeerID: PeerID
let displayName: String?
let noisePublicKeyHex: String?
let nostrPublicKey: String?
}
extension PeerHandle: Equatable {
@@ -100,310 +100,3 @@ enum ConversationID: Hashable, Sendable {
}
}
}
@MainActor
final class IdentityResolver {
private var handlesByRoutingPeerID: [PeerID: PeerHandle] = [:]
private var handlesByNoiseKey: [String: PeerHandle] = [:]
private var handlesByNostrKey: [String: PeerHandle] = [:]
func register(peers: [BitchatPeer]) {
for peer in peers {
_ = register(peer: peer)
}
}
@discardableResult
func register(peer: BitchatPeer) -> PeerHandle {
let handle = buildHandle(
routingPeerID: peer.peerID,
displayName: peer.displayName,
noisePublicKeyHex: peer.noisePublicKey.isEmpty ? nil : peer.noisePublicKey.hexEncodedString().lowercased(),
nostrPublicKey: normalizedNostrKey(peer.nostrPublicKey)
)
cache(handle)
return handle
}
func canonicalHandle(for peerID: PeerID, displayName: String? = nil) -> PeerHandle {
if let handle = handlesByRoutingPeerID[peerID] {
return handle
}
if peerID.isNoiseKeyHex, let handle = handlesByNoiseKey[peerID.bare] {
return handle
}
if (peerID.isGeoDM || peerID.isGeoChat), let handle = handlesByNostrKey[peerID.bare] {
return handle
}
let handle = buildHandle(
routingPeerID: peerID,
displayName: displayName,
noisePublicKeyHex: peerID.isNoiseKeyHex ? peerID.bare : nil,
nostrPublicKey: (peerID.isGeoDM || peerID.isGeoChat) ? peerID.bare : nil
)
cache(handle)
return handle
}
private func buildHandle(
routingPeerID: PeerID,
displayName: String?,
noisePublicKeyHex: String?,
nostrPublicKey: String?
) -> PeerHandle {
let canonicalID: String
if let noisePublicKeyHex {
canonicalID = "noise:\(noisePublicKeyHex)"
} else if let nostrPublicKey {
canonicalID = "nostr:\(nostrPublicKey)"
} else {
canonicalID = "mesh:\(routingPeerID.id)"
}
let normalizedDisplayName: String?
if let displayName, !displayName.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
normalizedDisplayName = displayName
} else {
normalizedDisplayName = nil
}
return PeerHandle(
id: canonicalID,
routingPeerID: routingPeerID,
displayName: normalizedDisplayName,
noisePublicKeyHex: noisePublicKeyHex,
nostrPublicKey: nostrPublicKey
)
}
private func normalizedNostrKey(_ nostrPublicKey: String?) -> String? {
guard let nostrPublicKey else { return nil }
let trimmed = nostrPublicKey.trimmingCharacters(in: .whitespacesAndNewlines).lowercased()
return trimmed.isEmpty ? nil : trimmed
}
private func cache(_ handle: PeerHandle) {
handlesByRoutingPeerID[handle.routingPeerID] = handle
if let noisePublicKeyHex = handle.noisePublicKeyHex {
handlesByNoiseKey[noisePublicKeyHex] = handle
}
if let nostrPublicKey = handle.nostrPublicKey {
handlesByNostrKey[nostrPublicKey] = handle
}
}
}
@MainActor
final class LegacyConversationStore: ObservableObject {
@Published private(set) var activeChannel: ChannelID = .mesh
@Published private(set) var selectedPrivatePeerID: PeerID?
@Published private(set) var selectedConversationID: ConversationID = .mesh
@Published private(set) var unreadConversations: Set<ConversationID> = []
@Published private(set) var messagesByConversation: [ConversationID: [BitchatMessage]] = [:]
private var directHandlesByConversation: [ConversationID: PeerHandle] = [:]
func setActiveChannel(_ channelID: ChannelID) {
if activeChannel != channelID {
activeChannel = channelID
}
if selectedPrivatePeerID == nil {
let conversationID = ConversationID(channelID: channelID)
if selectedConversationID != conversationID {
selectedConversationID = conversationID
}
}
}
func setSelectedPeerID(
_ peerID: PeerID?,
activeChannel: ChannelID,
identityResolver: IdentityResolver
) {
if self.activeChannel != activeChannel {
self.activeChannel = activeChannel
}
if selectedPrivatePeerID != peerID {
selectedPrivatePeerID = peerID
}
if let peerID {
let conversationID = directConversationID(
for: peerID,
identityResolver: identityResolver
)
if selectedConversationID != conversationID {
selectedConversationID = conversationID
}
} else {
let conversationID = ConversationID(channelID: activeChannel)
if selectedConversationID != conversationID {
selectedConversationID = conversationID
}
}
}
func replaceMessages(_ messages: [BitchatMessage], for conversationID: ConversationID) {
let normalizedMessages = normalized(messages)
guard messagesByConversation[conversationID] != normalizedMessages else { return }
messagesByConversation[conversationID] = normalizedMessages
}
func replaceMessages(_ messages: [BitchatMessage], for channelID: ChannelID) {
replaceMessages(messages, for: ConversationID(channelID: channelID))
}
func synchronizePublicConversation(_ messages: [BitchatMessage], activeChannel: ChannelID) {
setActiveChannel(activeChannel)
replaceMessages(messages, for: activeChannel)
}
func messages(for conversationID: ConversationID) -> [BitchatMessage] {
messagesByConversation[conversationID] ?? []
}
func directMessages(
for peerID: PeerID,
identityResolver: IdentityResolver
) -> [BitchatMessage] {
messages(for: directConversationID(for: peerID, identityResolver: identityResolver))
}
func directMessagesByPeerID() -> [PeerID: [BitchatMessage]] {
var messagesByPeerID: [PeerID: [BitchatMessage]] = [:]
for (conversationID, handle) in directHandlesByConversation {
messagesByPeerID[handle.routingPeerID] = messages(for: conversationID)
}
return messagesByPeerID
}
func unreadDirectPeerIDs() -> Set<PeerID> {
unreadConversations.reduce(into: Set<PeerID>()) { result, conversationID in
guard case .direct(let handle) = conversationID else { return }
result.insert(directHandlesByConversation[conversationID]?.routingPeerID ?? handle.routingPeerID)
}
}
func synchronizeSelection(
activeChannel: ChannelID,
selectedPeerID: PeerID?,
identityResolver: IdentityResolver
) {
setSelectedPeerID(
selectedPeerID,
activeChannel: activeChannel,
identityResolver: identityResolver
)
}
func synchronizePrivateChats(
_ privateChats: [PeerID: [BitchatMessage]],
unreadPeerIDs: Set<PeerID>,
identityResolver: IdentityResolver
) {
var liveConversations = Set<ConversationID>()
for (peerID, messages) in privateChats {
let handle = identityResolver.canonicalHandle(for: peerID, displayName: messages.last?.sender)
let conversationID = ConversationID.direct(handle)
liveConversations.insert(conversationID)
directHandlesByConversation[conversationID] = handle
replaceMessages(messages, for: conversationID)
}
let staleDirectConversations = messagesByConversation.keys.filter { conversationID in
guard case .direct = conversationID else { return false }
return !liveConversations.contains(conversationID)
}
for conversationID in staleDirectConversations {
messagesByConversation.removeValue(forKey: conversationID)
unreadConversations.remove(conversationID)
directHandlesByConversation.removeValue(forKey: conversationID)
}
let publicUnread = unreadConversations.filter { conversationID in
switch conversationID {
case .mesh, .geohash:
return true
case .direct:
return false
}
}
let nextUnreadConversations = unreadPeerIDs.reduce(into: publicUnread) { result, peerID in
let handle = identityResolver.canonicalHandle(for: peerID)
result.insert(.direct(handle))
}
if unreadConversations != nextUnreadConversations {
unreadConversations = nextUnreadConversations
}
}
func markRead(_ conversationID: ConversationID) {
unreadConversations.remove(conversationID)
}
func markRead(
peerID: PeerID,
identityResolver: IdentityResolver
) {
markRead(directConversationID(for: peerID, identityResolver: identityResolver))
}
// MARK: Migration step 2 bridge entry points (DELETE IN STEP 5)
// Used only by `LegacyConversationStoreBridge` to mirror single
// conversations out of the new `ConversationStore` without the
// full-dictionary `synchronizePrivateChats` pass.
func replaceDirectMessages(
_ messages: [BitchatMessage],
for peerID: PeerID,
identityResolver: IdentityResolver
) {
let handle = identityResolver.canonicalHandle(for: peerID, displayName: messages.last?.sender)
let conversationID = ConversationID.direct(handle)
directHandlesByConversation[conversationID] = handle
replaceMessages(messages, for: conversationID)
}
func markUnread(
peerID: PeerID,
identityResolver: IdentityResolver
) {
let conversationID = directConversationID(for: peerID, identityResolver: identityResolver)
if !unreadConversations.contains(conversationID) {
unreadConversations.insert(conversationID)
}
}
private func normalized(_ messages: [BitchatMessage]) -> [BitchatMessage] {
var uniqueMessages: [String: BitchatMessage] = [:]
for message in messages {
uniqueMessages[message.id] = message
}
return uniqueMessages.values.sorted { lhs, rhs in
if lhs.timestamp != rhs.timestamp {
return lhs.timestamp < rhs.timestamp
}
return lhs.id < rhs.id
}
}
private func directConversationID(
for peerID: PeerID,
identityResolver: IdentityResolver
) -> ConversationID {
let handle = identityResolver.canonicalHandle(for: peerID)
let conversationID = ConversationID.direct(handle)
directHandlesByConversation[conversationID] = handle
return conversationID
}
}