another.im-ios/ConversationsClassic/AppCore/Middlewares/ArchivedMessagesMiddleware.swift

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Swift
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2024-08-07 22:27:47 +00:00
import Combine
import Foundation
final class ArchivedMessagesMiddleware {
static let shared = ArchivedMessagesMiddleware()
func middleware(state: AppState, action: AppAction) -> AnyPublisher<AppAction, Never> {
switch action {
case .conversationAction(.messagesUpdated(let messages)):
if state.conversationsState.archivedMessagesRequested {
return Empty().eraseToAnyPublisher()
} else {
guard let chat = state.conversationsState.currentChat else {
return Empty().eraseToAnyPublisher()
}
return Deferred {
Future<AppAction, Never> { promise in
if let currentClient = state.accountsState.accounts.first(where: { $0.bareJid == chat.account }) {
let features = state.accountsState.discoFeatures[currentClient.bareJid] ?? []
if features.map({ $0.xep }).contains("XEP-0313") {
let roster = chat.participant
if let lastMessage = state.conversationsState.currentMessages.first {
promise(.success(.xmppAction(.xmppLoadArchivedMessages(jid: currentClient.bareJid, to: roster?.bareJid, fromDate: lastMessage.date))))
} else {
let date = Date()
let archivesRequestDate = Calendar.current.date(byAdding: .day, value: -Const.mamRequestLength, to: date) ?? date
promise(.success(.xmppAction(.xmppLoadArchivedMessages(jid: currentClient.bareJid, to: roster?.bareJid, fromDate: archivesRequestDate))))
}
// let oldestMessageDate = state.conversationsState.currentMessages.first?.date ?? Date()
// let archivesRequestDate = Calendar.current.date(byAdding: .day, value: -Const.mamRequestLength, to: oldestMessageDate) ?? Date()
// promise(.success(.xmppAction(.xmppLoadArchivedMessages(jid: currentClient.bareJid, to: roster?.bareJid, fromDate: archivesRequestDate))))
} else {
promise(.success(.info("MessageMiddleware: XEP-0313 not supported for client \(currentClient.bareJid)")))
}
} else {
promise(.success(.info("MessageMiddleware: No client found for account \(chat.account), probably some error here")))
}
}
}
.eraseToAnyPublisher()
}
default:
return Empty().eraseToAnyPublisher()
}
}
}