Files
letro-ios/ElementX/Sources/Screens/BlockedUsersScreen/BlockedUsersScreenViewModel.swift

99 lines
3.8 KiB
Swift

//
// Copyright 2022 New Vector Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
import Combine
import SwiftUI
typealias BlockedUsersScreenViewModelType = StateStoreViewModel<BlockedUsersScreenViewState, BlockedUsersScreenViewAction>
class BlockedUsersScreenViewModel: BlockedUsersScreenViewModelType, BlockedUsersScreenViewModelProtocol {
let clientProxy: ClientProxyProtocol
let userIndicatorController: UserIndicatorControllerProtocol
init(clientProxy: ClientProxyProtocol,
userIndicatorController: UserIndicatorControllerProtocol) {
self.clientProxy = clientProxy
self.userIndicatorController = userIndicatorController
super.init(initialViewState: BlockedUsersScreenViewState(blockedUsers: clientProxy.ignoredUsersPublisher.value ?? []))
showLoadingIndicator()
clientProxy.ignoredUsersPublisher
.receive(on: DispatchQueue.main)
.sink { [weak self] blockedUsers in
guard let self else { return }
if let blockedUsers {
hideLoadingIndicator()
state.blockedUsers = blockedUsers
}
}
.store(in: &cancellables)
}
// MARK: - Public
override func process(viewAction: BlockedUsersScreenViewAction) {
switch viewAction {
case .unblockUser(let userID):
state.bindings.alertInfo = .init(id: .unblock,
title: L10n.screenBlockedUsersUnblockAlertTitle,
message: L10n.screenBlockedUsersUnblockAlertDescription,
primaryButton: .init(title: L10n.screenBlockedUsersUnblockAlertAction, role: .destructive) { [weak self] in
self?.unblockUser(userID)
},
secondaryButton: .init(title: L10n.actionCancel, role: .cancel, action: nil))
}
}
func stop() {
hideLoadingIndicator()
}
// MARK: - Private
private func unblockUser(_ userID: String) {
showLoadingIndicator()
state.processingUserID = userID
Task {
if case .failure = await clientProxy.unignoreUser(userID) {
state.bindings.alertInfo = .init(id: .error)
}
state.processingUserID = nil
hideLoadingIndicator()
}
}
// MARK: Loading indicator
private static let loadingIndicatorIdentifier = "BlockedUsersLoading"
private func showLoadingIndicator() {
userIndicatorController.submitIndicator(UserIndicator(id: Self.loadingIndicatorIdentifier,
type: .modal(progress: .indeterminate, interactiveDismissDisabled: false, allowsInteraction: true),
title: L10n.commonLoading,
persistent: true),
delay: .milliseconds(100))
}
private func hideLoadingIndicator() {
userIndicatorController.retractIndicatorWithId(Self.loadingIndicatorIdentifier)
}
}