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[#570] TodoDetailView에 TCA를 적용한다 (#588)
* feat: TodoDetailFeature 리듀서 추가 * refactor: TodoDetailViewModel을 TodoDetailFeature로 대체 * refactor: TodoDetail Store 조립 방식 정리 * refactor: TodoDetail 시트 Store 스코프 정리 * refactor: TodoDetail 시트 상태 enum 정리 * refactor: Bindable 적용 * chore: 폴더링 수정 * refactor: TodoDetail 로딩 상태를 LoadingFeature로 분리
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18 files changed

Lines changed: 1017 additions & 264 deletions

‎Application/DevLogPresentation/Sources/Common/LoadingFeature.swift‎

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//
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// LoadingFeature.swift
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// DevLogPresentation
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//
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// Created by opfic on 6/11/26.
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//
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import ComposableArchitecture
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@Reducer
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struct LoadingFeature {
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@ObservableState
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struct State: Equatable {
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var isLoading = false
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var immediateCountByTarget: [Target: Int] = [:]
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var delayedCountByTarget: [Target: Int] = [:]
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var scheduledDelayedTargets = Set<Target>()
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var visibleDelayedTargets = Set<Target>()
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var visibleTargets = Set<Target>()
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}
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struct Target: Hashable, Sendable {
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static let `default` = Self("default")
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let id: String
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init(_ id: String) {
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self.id = id
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}
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}
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enum Mode: Equatable, Sendable {
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case immediate
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case delayed
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}
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enum Action: Equatable {
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case begin(target: Target, mode: Mode)
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case end(target: Target, mode: Mode)
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case delayedLoadingDidBecomeVisible(target: Target)
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}
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private enum CancelID: Hashable {
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case delayedLoading(Target)
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}
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@Dependency(\.continuousClock) var clock
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private let delay = Duration.seconds(0.3)
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var body: some ReducerOf<Self> {
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Reduce { state, action in
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switch action {
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case .begin(let target, let mode):
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return begin(target: target, mode: mode, state: &state)
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case .end(let target, let mode):
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return end(target: target, mode: mode, state: &state)
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case .delayedLoadingDidBecomeVisible(let target):
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return delayedLoadingDidBecomeVisible(target: target, state: &state)
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}
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}
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}
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}
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private extension LoadingFeature {
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func begin(
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target: Target,
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mode: Mode,
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state: inout State
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) -> Effect<Action> {
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switch mode {
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case .immediate:
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state.immediateCountByTarget[target, default: 0] += 1
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state.setVisibilityIfNeeded(for: target, isVisible: true)
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return .none
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case .delayed:
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state.delayedCountByTarget[target, default: 0] += 1
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return scheduleDelayedLoadingIfNeeded(for: target, state: &state)
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}
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}
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func end(
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target: Target,
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mode: Mode,
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state: inout State
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) -> Effect<Action> {
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switch mode {
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case .immediate:
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let count = state.immediateCountByTarget[target, default: 0]
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state.immediateCountByTarget[target] = max(0, count - 1)
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case .delayed:
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let count = state.delayedCountByTarget[target, default: 0]
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state.delayedCountByTarget[target] = max(0, count - 1)
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}
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return updateLoadingVisibility(for: target, state: &state)
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}
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func delayedLoadingDidBecomeVisible(
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target: Target,
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state: inout State
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) -> Effect<Action> {
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state.scheduledDelayedTargets.remove(target)
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guard 0 < state.delayedCountByTarget[target, default: 0] else { return .none }
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state.visibleDelayedTargets.insert(target)
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if state.immediateCountByTarget[target, default: 0] == 0 {
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state.setVisibilityIfNeeded(for: target, isVisible: true)
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}
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return .none
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}
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func scheduleDelayedLoadingIfNeeded(
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for target: Target,
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state: inout State
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) -> Effect<Action> {
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guard !state.scheduledDelayedTargets.contains(target),
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!state.visibleDelayedTargets.contains(target),
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0 < state.delayedCountByTarget[target, default: 0] else { return .none }
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state.scheduledDelayedTargets.insert(target)
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return .run { [clock, delay] send in
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try await clock.sleep(for: delay)
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await send(.delayedLoadingDidBecomeVisible(target: target))
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}
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.cancellable(id: CancelID.delayedLoading(target), cancelInFlight: true)
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}
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func updateLoadingVisibility(
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for target: Target,
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state: inout State
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) -> Effect<Action> {
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if 0 < state.immediateCountByTarget[target, default: 0] {
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state.setVisibilityIfNeeded(for: target, isVisible: true)
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return .none
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}
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if state.visibleDelayedTargets.contains(target) {
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if state.delayedCountByTarget[target, default: 0] == 0 {
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state.visibleDelayedTargets.remove(target)
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state.setVisibilityIfNeeded(for: target, isVisible: false)
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} else {
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state.setVisibilityIfNeeded(for: target, isVisible: true)
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}
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return .none
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}
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if 0 < state.delayedCountByTarget[target, default: 0] {
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state.setVisibilityIfNeeded(
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for: target,
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isVisible: state.visibleTargets.contains(target)
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)
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return scheduleDelayedLoadingIfNeeded(for: target, state: &state)
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}
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state.scheduledDelayedTargets.remove(target)
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state.setVisibilityIfNeeded(for: target, isVisible: false)
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return .cancel(id: CancelID.delayedLoading(target))
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}
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}
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private extension LoadingFeature.State {
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mutating func setVisibilityIfNeeded(
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for target: LoadingFeature.Target,
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isVisible: Bool
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) {
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if isVisible {
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visibleTargets.insert(target)
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} else {
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visibleTargets.remove(target)
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}
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isLoading = !visibleTargets.isEmpty
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}
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}

‎Application/DevLogPresentation/Sources/Common/LoadingState.swift‎

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@@ -26,7 +26,7 @@ public final class LoadingState {
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private var visibleDelayedTargets = Set<AnyHashable>()
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private var visibleTargets = Set<AnyHashable>()
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init(delay: Duration = .seconds(0.3)) {
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nonisolated init(delay: Duration = .seconds(0.3)) {
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self.delay = delay
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}
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Application/DevLogPresentation/Sources/Home/CategoryManage/CategoryManageFeature.swift renamed to Application/DevLogPresentation/Sources/Home/Category/CategoryManageFeature.swift

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Application/DevLogPresentation/Sources/Home/CategoryManage/CategoryManageView.swift renamed to Application/DevLogPresentation/Sources/Home/Category/CategoryManageView.swift

File renamed without changes.

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