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9cd979a6b5
Change userService name to templateUserProfileService for templating. Remove test subclass from MockScreenTest
92 lines
3.2 KiB
Swift
92 lines
3.2 KiB
Swift
//
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// Copyright 2021 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import SwiftUI
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import Combine
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@available(iOS 14.0, *)
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class TemplateUserProfileViewModel: ObservableObject, TemplateUserProfileViewModelProtocol {
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// MARK: - Properties
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// MARK: Private
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private let templateUserProfileService: TemplateUserProfileServiceProtocol
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private var cancellables = Set<AnyCancellable>()
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// MARK: Public
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@Published private(set) var viewState: TemplateUserProfileViewState
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var completion: ((TemplateUserProfileViewModelResult) -> Void)?
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// MARK: - Setup
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init(templateUserProfileService: TemplateUserProfileServiceProtocol, initialState: TemplateUserProfileViewState? = nil) {
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self.templateUserProfileService = templateUserProfileService
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self.viewState = initialState ?? Self.defaultState(templateUserProfileService: templateUserProfileService)
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templateUserProfileService.presenceSubject
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.map(TemplateUserProfileStateAction.updatePresence)
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.receive(on: DispatchQueue.main)
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.sink(receiveValue: { [weak self] action in
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self?.dispatch(action:action)
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})
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.store(in: &cancellables)
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}
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private static func defaultState(templateUserProfileService: TemplateUserProfileServiceProtocol) -> TemplateUserProfileViewState {
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return TemplateUserProfileViewState(
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avatar: templateUserProfileService.avatarData,
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displayName: templateUserProfileService.displayName,
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presence: templateUserProfileService.presenceSubject.value
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)
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}
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// MARK: - Public
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func process(viewAction: TemplateUserProfileViewAction) {
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switch viewAction {
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case .cancel:
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cancel()
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case .done:
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done()
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}
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}
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// MARK: - Private
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/**
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Send state actions to mutate the state.
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*/
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private func dispatch(action: TemplateUserProfileStateAction) {
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Self.reducer(state: &self.viewState, action: action)
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}
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/**
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A redux style reducer, all modifications to state happen here. Receives a state and a state action and produces a new state.
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*/
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private static func reducer(state: inout TemplateUserProfileViewState, action: TemplateUserProfileStateAction) {
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switch action {
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case .updatePresence(let presence):
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state.presence = presence
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}
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UILog.debug("[TemplateUserProfileViewModel] reducer with action \(action) produced state: \(state)")
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}
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private func done() {
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completion?(.done)
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}
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private func cancel() {
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completion?(.cancel)
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}
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}
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