conversations-classic-ios/ConversationsClassic/AppData/Client/Client+MartinMAM.swift
2024-08-19 04:38:06 +02:00

59 lines
1.8 KiB
Swift

import Combine
import Foundation
import GRDB
import Martin
final class ClientMartinMAM {
private var cancellables: Set<AnyCancellable> = []
private weak var module: MessageArchiveManagementModule?
private var afterAvailable = true
private var beforeAvailable = true
init(_ xmppConnection: XMPPClient) {
module = xmppConnection.module(.mam)
subscribe()
}
private func subscribe() {
// subscribe to archived messages
module?.archivedMessagesPublisher
.delay(for: 0.7, scheduler: DispatchQueue.main)
.sink(receiveValue: { [weak self] archived in
guard let self = self else { return }
Task {
await self.handleMessage(archived)
}
})
.store(in: &cancellables)
}
private func handleMessage(_ received: Martin.MessageArchiveManagementModule.ArchivedMessageReceived) async {
let message = received.message
let date = received.timestamp
let msgId = received.messageId
try? await Database.shared.dbQueue.write { db in
if try Message.fetchOne(db, key: msgId) != nil {
#if DEBUG
print("---")
print("Skipping archived message with id \(message.id ?? "???") (message exists)")
print("---")
#endif
return
} else {
#if DEBUG
print("---")
print("Archive message received: \(message)")
print("Date: \(date)")
print("---")
#endif
if var msg = Message.map(message) {
msg.date = received.timestamp
try msg.insert(db)
}
}
}
}
}