element-ios/RiotSwiftUI/Modules/Spaces/SpaceCreation/SpaceCreationSettings/ViewModel/SpaceCreationSettingsViewMo...

144 lines
5.3 KiB
Swift

// File created from TemplateAdvancedRoomsExample
// $ createSwiftUITwoScreen.sh Spaces/SpaceCreation SpaceCreation SpaceCreationMenu SpaceCreationSettings
//
// 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 SpaceCreationSettingsViewModelType = StateStoreViewModel<SpaceCreationSettingsViewState, SpaceCreationSettingsViewAction>
class SpaceCreationSettingsViewModel: SpaceCreationSettingsViewModelType, SpaceCreationSettingsViewModelProtocol {
// MARK: - Properties
// MARK: Private
private let spaceCreationSettingsService: SpaceCreationSettingsServiceProtocol
private let creationParameters: SpaceCreationParameters
// MARK: Public
var callback: ((SpaceCreationSettingsViewModelAction) -> Void)?
// MARK: - Setup
init(spaceCreationSettingsService: SpaceCreationSettingsServiceProtocol, creationParameters: SpaceCreationParameters) {
self.spaceCreationSettingsService = spaceCreationSettingsService
self.creationParameters = creationParameters
let defaultState = Self.defaultState(creationParameters: creationParameters, validationStatus: spaceCreationSettingsService.addressValidationSubject.value)
super.init(initialViewState: defaultState)
setupServiceObserving()
}
private func setupServiceObserving() {
spaceCreationSettingsService
.defaultAddressSubject
.sink(receiveValue: { [weak self] address in
self?.state.defaultAddress = address
})
.store(in: &cancellables)
spaceCreationSettingsService
.addressValidationSubject
.sink(receiveValue: { [weak self] status in
self?.state.addressMessage = status.message
self?.state.isAddressValid = status.isValid
})
.store(in: &cancellables)
spaceCreationSettingsService
.avatarViewDataSubject
.sink(receiveValue: { [weak self] avatar in
self?.state.avatar = avatar
})
.store(in: &cancellables)
}
private static func defaultState(creationParameters: SpaceCreationParameters, validationStatus: SpaceCreationSettingsAddressValidationStatus) -> SpaceCreationSettingsViewState {
let bindings = SpaceCreationSettingsViewModelBindings(
roomName: creationParameters.name ?? "",
topic: creationParameters.topic ?? "",
address: creationParameters.userDefinedAddress ?? ""
)
return SpaceCreationSettingsViewState(
title: creationParameters.isPublic ? VectorL10n.spacesCreationPublicSpaceTitle : VectorL10n.spacesCreationPrivateSpaceTitle,
showRoomAddress: creationParameters.showAddress,
defaultAddress: creationParameters.address ?? "",
roomNameError: nil,
addressMessage: validationStatus.message,
isAddressValid: validationStatus.isValid,
avatar: AvatarInput(mxContentUri: nil, matrixItemId: "", displayName: nil),
avatarImage: creationParameters.userSelectedAvatar,
bindings: bindings
)
}
// MARK: - Public
func updateAvatarImage(with image: UIImage?) {
creationParameters.userSelectedAvatar = image
state.avatarImage = image
}
override func process(viewAction: SpaceCreationSettingsViewAction) {
switch viewAction {
case .done:
done()
case .back:
back()
case .cancel:
cancel()
case .pickImage(let sourceRect):
pickImage(from: sourceRect)
case .nameChanged(let newValue):
spaceCreationSettingsService.roomName = newValue
creationParameters.address = spaceCreationSettingsService.defaultAddressSubject.value
creationParameters.name = newValue
state.roomNameError = newValue.isEmpty ? VectorL10n.spacesCreationEmptyRoomNameError : nil
case .addressChanged(let newValue):
spaceCreationSettingsService.userDefinedAddress = newValue
creationParameters.userDefinedAddress = newValue
case .topicChanged(let newValue):
creationParameters.topic = newValue
}
}
// MARK: - Private
private func done() {
guard !context.roomName.isEmpty else {
state.roomNameError = VectorL10n.spacesCreationEmptyRoomNameError
return
}
guard !creationParameters.isPublic || spaceCreationSettingsService.isAddressValid else {
return
}
creationParameters.name = context.roomName
creationParameters.topic = context.topic
creationParameters.userDefinedAddress = context.address
creationParameters.address = spaceCreationSettingsService.defaultAddressSubject.value
state.roomNameError = nil
callback?(.done)
}
private func cancel() {
callback?(.cancel)
}
private func back() {
callback?(.back)
}
private func pickImage(from sourceRect: CGRect) {
callback?(.pickImage(sourceRect))
}
}