102 lines
4.4 KiB
Swift
102 lines
4.4 KiB
Swift
import Combine
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import Foundation
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import Martin
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final class XMPPMiddleware {
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static let shared = XMPPMiddleware()
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private let service = XMPPService(manager: Database.shared)
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private var cancellables: Set<AnyCancellable> = []
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private init() {
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service.clientState.sink { client, state in
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let jid = client.userBareJid.stringValue
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let status = ConnectionStatus.from(state)
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let action = AppAction.xmppAction(.clientConnectionChanged(jid: jid, state: status))
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DispatchQueue.main.async {
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store.dispatch(action)
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}
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}
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.store(in: &cancellables)
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service.clientMessages.sink { _, martinMessage in
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guard let message = Message.map(martinMessage) else { return }
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DispatchQueue.main.async {
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store.dispatch(.xmppAction(.xmppMessageReceived(message)))
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}
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}
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.store(in: &cancellables)
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}
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func middleware(state: AppState, action: AppAction) -> AnyPublisher<AppAction, Never> {
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switch action {
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case .accountsAction(.tryAddAccountWithCredentials):
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return Future<AppAction, Never> { [weak self] promise in
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self?.service.updateClients(for: state.accountsState.accounts)
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promise(.success(.empty))
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}
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.eraseToAnyPublisher()
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case .accountsAction(.addAccountError):
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return Future<AppAction, Never> { [weak self] promise in
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self?.service.updateClients(for: state.accountsState.accounts)
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promise(.success(.empty))
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}
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.eraseToAnyPublisher()
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case .databaseAction(.storedAccountsLoaded(let accounts)):
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return Future<AppAction, Never> { [weak self] promise in
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self?.service.updateClients(for: accounts.filter { $0.isActive && !$0.isTemp })
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promise(.success(.empty))
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}
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.eraseToAnyPublisher()
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case .rostersAction(.addRoster(let ownerJID, let contactJID, let name, let groups)):
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return Future<AppAction, Never> { [weak self] promise in
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guard let service = self?.service, let client = service.clients.first(where: { $0.connectionConfiguration.userJid.stringValue == ownerJID }) else {
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return promise(.success(.rostersAction(.addRosterError(reason: XMPPError.item_not_found.localizedDescription))))
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}
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let module = client.modulesManager.module(RosterModule.self)
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module.addItem(jid: JID(contactJID), name: name, groups: groups, completionHandler: { result in
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switch result {
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case .success:
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promise(.success(.rostersAction(.addRosterDone(jid: contactJID))))
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case .failure(let error):
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promise(.success(.rostersAction(.addRosterError(reason: error.localizedDescription))))
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}
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})
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}
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.eraseToAnyPublisher()
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case .rostersAction(.deleteRoster(let ownerJID, let contactJID)):
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return Future<AppAction, Never> { [weak self] promise in
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guard let service = self?.service, let client = service.clients.first(where: { $0.connectionConfiguration.userJid.stringValue == ownerJID }) else {
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return promise(.success(.rostersAction(.rosterDeletingFailed(reason: XMPPError.item_not_found.localizedDescription))))
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}
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let module = client.modulesManager.module(RosterModule.self)
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module.removeItem(jid: JID(contactJID), completionHandler: { result in
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switch result {
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case .success:
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promise(.success(.empty))
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case .failure(let error):
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promise(.success(.rostersAction(.rosterDeletingFailed(reason: error.localizedDescription))))
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}
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})
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}
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.eraseToAnyPublisher()
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case .conversationAction(.sendMessage(let from, let to, let body)):
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return Future<AppAction, Never> { [weak self] promise in
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// TODO: handle errors
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self?.service.sendMessage(from: from, to: to, body: body)
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promise(.success(.empty))
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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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