Consolidate images and files

CHDataManagement/Main/MainContentView.swift

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+import SwiftUI
+
+protocol MainContentView: View {
+
+    associatedtype Item: Identifiable
+
+    init(item: Item)
+
+    static var itemDescription: String { get }
+}

CHDataManagement/Main/MainView.swift

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+import SwiftUI
+import SFSafeSymbols
+
+
+#warning("Consolidate images and files")
+#warning("Allow selection of pages as navigation bar items")
+#warning("Transfer images of posts to other language")
+
+@main
+struct MainView: App {
+
+    private let sidebarWidth: CGFloat = 250
+
+    private let detailWidth: CGFloat = 300
+
+    @StateObject
+    private var content: Content = .init()
+
+    @State
+    private var language: ContentLanguage = .english
+
+    @State
+    private var selectedTab: MainViewTab = .posts
+
+    @State
+    private var selectedPost: Post?
+
+    @State
+    private var selectedPage: Page?
+
+    @State
+    private var selectedTag: Tag?
+
+    @State
+    private var selectedImage: ImageResource?
+
+    @State
+    private var selectedFile: FileResource?
+
+    @State
+    private var selectedSection: SettingsSection? = .generation
+
+    @State
+    private var showAddSheet = false
+
+    @ViewBuilder
+    var sidebar: some View {
+        switch selectedTab {
+        case .posts:
+            PostListView(selectedPost: $selectedPost)
+        case .pages:
+            PageListView(selectedPage: $selectedPage)
+        case .tags:
+            TagListView(selectedTag: $selectedTag)
+        case .files:
+            FileListView(selectedFile: $selectedFile)
+        case .generation:
+            List(SettingsSection.allCases, selection: $selectedSection) { item in
+                Label(item.rawValue, systemSymbol: item.icon).tag(item)
+            }
+        }
+    }
+
+    @ViewBuilder
+    var viewContent: some View {
+        switch selectedTab {
+        case .posts:
+            SelectedContentView<PostContentView>(selected: $selectedPost)
+        case .pages:
+            SelectedContentView<PageContentView>(selected: $selectedPage)
+        case .tags:
+            SelectedContentView<TagContentView>(selected: $selectedTag)
+        case .files:
+            SelectedContentView<FileContentView>(selected: $selectedFile)
+        case .generation:
+            GenerationDetailView(section: selectedSection)
+        }
+    }
+
+    @ViewBuilder
+    var detail: some View {
+        switch selectedTab {
+        case .posts:
+            SelectedDetailView<PostDetailView>(selected: $selectedPost)
+        case .pages:
+            SelectedDetailView<PageDetailView>(selected: $selectedPage)
+        case .tags:
+            SelectedDetailView<TagDetailView>(selected: $selectedTag)
+        case .files:
+            SelectedDetailView<FileDetailView>(selected: $selectedFile)
+        case .generation:
+            Text("")
+        }
+    }
+
+    @ViewBuilder
+    var addItemSheet: some View {
+        switch selectedTab {
+        case .posts:
+            AddPostView(selected: $selectedPost)
+        case .pages:
+            AddPageView(selected: $selectedPage)
+        case .tags:
+            AddTagView(selected: $selectedTag)
+        case .files:
+            AddFileView(selectedImage: $selectedImage, selectedFile: $selectedFile)
+        case .generation:
+            Text("Not implemented")
+        }
+    }
+
+    var body: some Scene {
+        WindowGroup {
+            NavigationSplitView {
+                sidebar
+                    .toolbar {
+                        ToolbarItem(placement: .navigation) {
+                            Picker("", selection: $selectedTab) {
+                                Text("Posts").tag(MainViewTab.posts)
+                                Text("Pages").tag(MainViewTab.pages)
+                                Text("Tags").tag(MainViewTab.tags)
+                                Text("Files").tag(MainViewTab.files)
+                                Text("Generation").tag(MainViewTab.generation)
+                            }.pickerStyle(.segmented)
+                        }
+                    }
+                    .navigationSplitViewColumnWidth(min: sidebarWidth, ideal: sidebarWidth, max: sidebarWidth)
+                    .toolbar {
+                        ToolbarItem(placement: .primaryAction) {
+                            Button(action: { showAddSheet = true }) {
+                                Label("Add", systemSymbol: .plus)
+                            }
+                            .disabled(!selectedTab.canAddItems)
+                        }
+                    }
+            } content: {
+                viewContent
+            } detail: {
+                detail
+                    .navigationSplitViewColumnWidth(min: detailWidth, ideal: detailWidth, max: detailWidth)
+            }
+            .toolbar {
+                ToolbarItem(placement: .primaryAction) {
+                    Picker("", selection: $language) {
+                        Text("English")
+                            .tag(ContentLanguage.english)
+                        Text("German")
+                            .tag(ContentLanguage.german)
+                    }.pickerStyle(.segmented)
+                }
+                ToolbarItem(placement: .primaryAction) {
+                    Button(action: save) {
+                        Text("Save")
+                    }
+                }
+            }
+            .navigationTitle("")
+            .environment(\.language, language)
+            .environmentObject(content)
+            .onAppear(perform: loadContent)
+            .onReceive(Timer.publish(every: 60.0, on: .main, in: .common).autoconnect()) { _ in
+                save()
+            }
+            .sheet(isPresented: $showAddSheet) {
+                addItemSheet
+                    .environment(\.language, language)
+                    .environmentObject(content)
+            }
+        }
+    }
+
+    private func save() {
+        // Save all changed files
+        content.saveToDisk()
+    }
+
+    private func loadContent() {
+        do {
+            try content.loadFromDisk()
+        } catch {
+            print("Failed to load content: \(error.localizedDescription)")
+        }
+    }
+}
+

CHDataManagement/Main/SelectedContentView.swift

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+import SwiftUI
+
+struct SelectedContentView<Contained>: View where Contained: MainContentView {
+
+    @Binding
+    var selected: Contained.Item?
+
+    init(selected: Binding<Contained.Item?>) {
+        self._selected = selected
+    }
+
+    var body: some View {
+        if let item = selected {
+            Contained(item: item)
+        } else {
+            HStack {
+                Spacer()
+                Text("Select \(Contained.itemDescription) from the sidebar")
+                    .font(.largeTitle)
+                    .foregroundColor(.secondary)
+                Spacer()
+            }
+        }
+    }
+}

CHDataManagement/Main/SelectedDetailView.swift

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+import SwiftUI
+
+struct SelectedDetailView<Contained>: View where Contained: MainContentView {
+
+    @Binding
+    var selected: Contained.Item?
+
+    init(selected: Binding<Contained.Item?>) {
+        self._selected = selected
+    }
+
+    var body: some View {
+        if let item = selected {
+            Contained(item: item)
+                .id(item.id)
+        } else {
+            EmptyView()
+        }
+    }
+}

CHDataManagement/Main/TabSelection.swift

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+import SwiftUI
+import SFSafeSymbols
+
+enum MainViewTab {
+    case posts
+    case pages
+    case tags
+    case files
+    case generation
+
+    var canAddItems: Bool {
+        if case .generation = self {
+            return false
+        }
+        return true
+    }
+}
+