wip

0221-pflive-dependencies-stacks/README.md

@@ -0,0 +1,5 @@
+## [Point-Free](https://www.pointfree.co)
+
+> #### This directory contains code from Point-Free Episode: [Point-Free Live: Dependencies & Stacks](https://www.pointfree.co/episodes/ep221-point-free-live-dependencies-stacks)
+>
+> Our first ever livestream! We talk about a few new features that made it into our [Dependencies](https://github.com/pointfreeco/swift-dependencies) library when we extracted it from the Composable Architecture, live code our way through a `NavigationStack` refactor of our [Standups](https://github.com/pointfreeco/standups) app, and answer your questions along the way!

0222-composable-navigation-pt1/Inventory/Inventory.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

0222-composable-navigation-pt1/Inventory/Inventory/Assets.xcassets/AccentColor.colorset/Contents.json

@@ -0,0 +1,11 @@
+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

0222-composable-navigation-pt1/Inventory/Inventory/Assets.xcassets/AppIcon.appiconset/Contents.json

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+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

0222-composable-navigation-pt1/Inventory/Inventory/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

0222-composable-navigation-pt1/Inventory/Inventory/ContentView.swift

@@ -0,0 +1,99 @@
+import ComposableArchitecture
+import SwiftUI
+
+struct AppFeature: Reducer {
+  struct State: Equatable {
+    var firstTab = FirstTabFeature.State()
+    var inventory = InventoryFeature.State()
+    var selectedTab: Tab = .one
+    var thirdTab = ThirdTabFeature.State()
+  }
+  enum Action: Equatable {
+    case firstTab(FirstTabFeature.Action)
+    case inventory(InventoryFeature.Action)
+    case selectedTabChanged(Tab)
+    case thirdTab(ThirdTabFeature.Action)
+  }
+  var body: some ReducerOf<Self> {
+    Reduce<State, Action> { state, action in
+      switch action {
+      case let .firstTab(.delegate(action)):
+        switch action {
+        case .switchToInventoryTab:
+          state.selectedTab = .inventory
+          return .none
+        }
+
+      case let .selectedTabChanged(tab):
+        state.selectedTab = tab
+        return .none
+
+      case .firstTab, .inventory, .thirdTab:
+        return .none
+      }
+    }
+    Scope(state: \.firstTab, action: /Action.firstTab) {
+      FirstTabFeature()
+    }
+    Scope(state: \.inventory, action: /Action.inventory) {
+      InventoryFeature()
+    }
+    Scope(state: \.thirdTab, action: /Action.thirdTab) {
+      ThirdTabFeature()
+    }
+  }
+}
+
+enum Tab {
+  case one, inventory, three
+}
+
+struct ContentView: View {
+  //@State var selectedTab: Tab = .one
+  let store: StoreOf<AppFeature>
+  // Store<AppFeature.State, AppFeature.Action>
+
+  var body: some View {
+    WithViewStore(self.store, observe: \.selectedTab) { viewStore in
+      TabView(selection: viewStore.binding(send: AppFeature.Action.selectedTabChanged)) {
+        FirstTabView(
+          store: self.store.scope(
+            state: \.firstTab,
+            action: AppFeature.Action.firstTab
+          )
+        )
+        .tabItem { Text("One") }
+        .tag(Tab.one)
+
+        InventoryView(
+          store: self.store.scope(
+            state: \.inventory,
+            action: AppFeature.Action.inventory
+          )
+        )
+        .tabItem { Text("Inventory") }
+        .tag(Tab.inventory)
+
+        ThirdTabView(
+          store: self.store.scope(
+            state: \.thirdTab,
+            action: AppFeature.Action.thirdTab
+          )
+        )
+        .tabItem { Text("Three") }
+        .tag(Tab.three)
+      }
+    }
+  }
+}
+
+struct ContentView_Previews: PreviewProvider {
+  static var previews: some View {
+    ContentView(
+      store: Store(
+        initialState: AppFeature.State(),
+        reducer: AppFeature()
+      )
+    )
+  }
+}

0222-composable-navigation-pt1/Inventory/Inventory/FirstTab.swift

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+import ComposableArchitecture
+import SwiftUI
+
+struct FirstTabFeature: Reducer {
+  struct State: Equatable {}
+  enum Action: Equatable {
+    case goToInventoryButtonTapped
+    case delegate(Delegate)
+
+    enum Delegate: Equatable {
+      case switchToInventoryTab
+    }
+  }
+
+  func reduce(into state: inout State, action: Action) -> Effect<Action> {
+    switch action {
+    case .delegate:
+      return .none
+
+    case .goToInventoryButtonTapped:
+      return .send(.delegate(.switchToInventoryTab))
+    }
+  }
+}
+
+struct FirstTabView: View {
+  let store: StoreOf<FirstTabFeature>
+
+  var body: some View {
+    WithViewStore(self.store, observe: { $0 }) { viewStore in
+      Button {
+        viewStore.send(.goToInventoryButtonTapped)
+      } label: {
+        Text("Go to inventory")
+      }
+    }
+  }
+}

0222-composable-navigation-pt1/Inventory/Inventory/Inventory.swift

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+import ComposableArchitecture
+import SwiftUI
+
+struct InventoryFeature: Reducer {
+  struct State: Equatable {}
+  enum Action: Equatable {}
+
+  func reduce(into state: inout State, action: Action) -> Effect<Action> {
+  }
+}
+
+struct InventoryView: View {
+  let store: StoreOf<InventoryFeature>
+
+  var body: some View {
+    Text("Inventory")
+  }
+}

0222-composable-navigation-pt1/Inventory/Inventory/InventoryApp.swift

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+import ComposableArchitecture
+import SwiftUI
+
+@main
+struct InventoryApp: App {
+  var body: some Scene {
+    WindowGroup {
+      ContentView(
+        store: Store(
+          initialState: AppFeature.State(),
+          reducer: AppFeature()
+        )
+      )
+    }
+  }
+}

0222-composable-navigation-pt1/Inventory/Inventory/Preview Content/Preview Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

0222-composable-navigation-pt1/Inventory/Inventory/ThirdTab.swift

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+import ComposableArchitecture
+import SwiftUI
+
+struct ThirdTabFeature: Reducer {
+  struct State: Equatable {}
+  enum Action: Equatable {}
+
+  func reduce(into state: inout State, action: Action) -> Effect<Action> {
+  }
+}
+
+struct ThirdTabView: View {
+  let store: StoreOf<ThirdTabFeature>
+
+  var body: some View {
+    Text("Three")
+  }
+}

0222-composable-navigation-pt1/Inventory/Inventory/Vanilla.swift

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+import SwiftUI
+import XCTestDynamicOverlay
+
+class AppModel: ObservableObject {
+  @Published var firstTab: FirstTabModel {
+    didSet { self.bind() }
+  }
+  @Published var selectedTab: Tab
+
+  init(
+    firstTab: FirstTabModel,
+    selectedTab: Tab = .one
+  ) {
+    self.firstTab = firstTab
+    self.selectedTab = selectedTab
+    self.bind()
+  }
+
+  private func bind() {
+    self.firstTab.switchToInventoryTab = { [weak self] in
+      self?.selectedTab = .inventory
+    }
+  }
+}
+
+class FirstTabModel: ObservableObject {
+  var switchToInventoryTab: () -> Void = unimplemented("FirstTabModel.switchToInventoryTab")
+
+  func goToInventoryTab() {
+    self.switchToInventoryTab()
+  }
+}

0222-composable-navigation-pt1/Inventory/InventoryTests/InventoryTests.swift

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+import ComposableArchitecture
+import XCTest
+@testable import Inventory
+
+@MainActor
+final class InventoryTests: XCTestCase {
+  func testGoToInventory() async {
+    let store = TestStore(
+      initialState: AppFeature.State(),
+      reducer: AppFeature()
+    )
+
+    await store.send(.firstTab(.goToInventoryButtonTapped))
+    await store.receive(.firstTab(.delegate(.switchToInventoryTab))) {
+      $0.selectedTab = .inventory
+    }
+  }
+}

0222-composable-navigation-pt1/Inventory/InventoryTests/VanillaTests.swift

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+import XCTest
+
+@testable import Inventory
+
+class VanillaTests: XCTestCase {
+  func testFirstTabModel() {
+    let model = FirstTabModel()
+
+//    let expectation = self.expectation(description: "switchToInventoryTab")
+    model.switchToInventoryTab = {
+//      expectation.fulfill()
+    }
+
+    model.goToInventoryTab()
+//    self.wait(for: [expectation], timeout: 0)
+  }
+
+  func testAppModel() {
+    let model = AppModel(
+      firstTab: FirstTabModel()
+    )
+
+    model.firstTab.goToInventoryTab()
+//    XCTAssertEqual(model.selectedTab, .inventory)
+  }
+}

0222-composable-navigation-pt1/README.md

@@ -0,0 +1,5 @@
+## [Point-Free](https://www.pointfree.co)
+
+> #### This directory contains code from Point-Free Episode: [Composable Navigation: Tabs](https://www.pointfree.co/episodes/ep222-composable-navigation-tabs)
+>
+> It’s finally time to tackle navigation in the Composable Architecture. We’ll port the Inventory app we first built to understand SwiftUI navigation, which will push us to understand what makes the architecture “composable,” how it facilitates communication between features, and testing.

README.md

@@ -222,3 +222,5 @@ This repository is the home of code written on episodes of [Point-Free](https://
 1. [Modern SwiftUI: Effects, Part 2](0218-modern-swiftui-pt5)
 1. [Modern SwiftUI: Dependencies & Testing, Part 1](0219-modern-swiftui-pt6)
 1. [Modern SwiftUI: Dependencies & Testing, Part 2](0220-modern-swiftui-pt7)
+1. [Point-Free Live: Dependencies & Stacks](0221-pf-live-dependencies-stacks)
+1. [Composable Navigation: Tabs](0222-composable-navigation-pt1)