31 lines
1.5 KiB
Swift
31 lines
1.5 KiB
Swift
import Combine
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import Foundation
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final class MessagesMiddleware {
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static let shared = MessagesMiddleware()
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func middleware(state: AppState, action: AppAction) -> AnyPublisher<AppAction, Never> {
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switch action {
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case .conversationAction(.makeConversationActive(let chat, let roster)):
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return Future<AppAction, Never> { promise in
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if let currentClient = state.accountsState.accounts.first(where: { $0.bareJid == chat.account }) {
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let features = state.accountsState.discoFeatures[currentClient.bareJid] ?? []
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if features.map({ $0.xep }).contains("XEP-0313") {
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let oldestMessageDate = state.conversationsState.currentMessages.first?.date ?? Date()
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let archivesRequestDate = Calendar.current.date(byAdding: .day, value: -Const.mamRequestLength, to: oldestMessageDate) ?? Date()
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promise(.success(.xmppAction(.xmppLoadArchivedMessages(jid: currentClient.bareJid, to: roster?.bareJid, fromDate: archivesRequestDate))))
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} else {
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promise(.success(.info("MessageMiddleware: XEP-0313 not supported for client \(currentClient.bareJid)")))
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}
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} else {
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promise(.success(.info("MessageMiddleware: No client found for account \(chat.account), probably some error here")))
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}
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}
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.eraseToAnyPublisher()
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default:
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return Empty().eraseToAnyPublisher()
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}
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}
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}
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