element-ios/RiotSwiftUI/Modules/Template/SimpleUserProfileExample/TemplateUserProfileViewMode...

61 lines
2.1 KiB
Swift

//
// Copyright 2021-2024 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only
// Please see LICENSE in the repository root for full details.
//
import Combine
import SwiftUI
typealias TemplateUserProfileViewModelType = StateStoreViewModel<TemplateUserProfileViewState, TemplateUserProfileViewAction>
class TemplateUserProfileViewModel: TemplateUserProfileViewModelType, TemplateUserProfileViewModelProtocol {
private let templateUserProfileService: TemplateUserProfileServiceProtocol
var completion: ((TemplateUserProfileViewModelResult) -> Void)?
static func makeTemplateUserProfileViewModel(templateUserProfileService: TemplateUserProfileServiceProtocol) -> TemplateUserProfileViewModelProtocol {
TemplateUserProfileViewModel(templateUserProfileService: templateUserProfileService)
}
private init(templateUserProfileService: TemplateUserProfileServiceProtocol) {
self.templateUserProfileService = templateUserProfileService
super.init(initialViewState: Self.defaultState(templateUserProfileService: templateUserProfileService))
setupPresenceObserving()
}
private static func defaultState(templateUserProfileService: TemplateUserProfileServiceProtocol) -> TemplateUserProfileViewState {
TemplateUserProfileViewState(
avatar: templateUserProfileService.avatarData,
displayName: templateUserProfileService.displayName,
presence: templateUserProfileService.presenceSubject.value,
count: 0
)
}
private func setupPresenceObserving() {
templateUserProfileService
.presenceSubject
.sink(receiveValue: { [weak self] presence in
self?.state.presence = presence
})
.store(in: &cancellables)
}
// MARK: - Public
override func process(viewAction: TemplateUserProfileViewAction) {
switch viewAction {
case .cancel:
completion?(.cancel)
case .done:
completion?(.done)
case .incrementCount:
state.count += 1
case .decrementCount:
state.count -= 1
}
}
}