Rework storage structs, link preview

CHDataManagement/Main/InitialSetupView.swift

@@ -23,6 +23,7 @@ struct InitialSetupView: View {
             if let message {
                 Text(message)
                     .padding(.bottom)
+                    .lineLimit(10)
             }
         }
         .padding()
@@ -52,14 +53,25 @@ struct InitialSetupView: View {
             set(message: "Failed to set content path")
             return
         }
-        DispatchQueue.main.async {
-            do {
-                try content.loadFromDisk()
-            } catch {
-                set(message: "Failed to load database: \(error)")
+
+        DispatchQueue.global().async {
+            let loader = ModelLoader(content: content, storage: content.storage)
+            let result = loader.load()
+            guard result.errors.isEmpty else {
+                let message = "Failed to load database\n" + result.errors.sorted().joined(separator: "\n")
+                set(message: message)
                 return
             }
-            dismiss()
+
+            DispatchQueue.main.async {
+                content.files = result.files
+                content.posts = result.posts
+                content.pages = result.pages
+                content.tags = result.tags
+                content.settings = result.settings
+                content.tagOverview = result.tagOverview
+                dismiss()
+            }
         }
     }
 

CHDataManagement/Main/MainView.swift

@@ -69,6 +69,12 @@ struct MainView: App {
     @State
     private var showInitialSetupSheet = false
 
+    @State
+    private var showLoadErrorSheet = false
+
+    @State
+    private var loadErrors: [String] = []
+
     @ViewBuilder
     var sidebar: some View {
         switch selectedTab {
@@ -202,14 +208,30 @@ struct MainView: App {
                     .environment(\.language, language)
                     .environmentObject(content)
             }
+            .sheet(isPresented: $showLoadErrorSheet) {
+                VStack {
+                    Text("Failed to load database")
+                        .font(.headline)
+                    List(loadErrors, id: \.self) { error in
+                        HStack {
+                            Text(error)
+                            Spacer()
+                        }
+                    }
+                    .frame(minHeight: 200)
+                    Button("Dismiss", action: { showLoadErrorSheet = false })
+                        .padding()
+                }
+                .padding()
+            }
         }
     }
 
     private func save() {
-        do {
-            try content.saveToDisk()
-        } catch {
-            print("Failed to save content: \(error.localizedDescription)")
+        guard content.saveToDisk() else {
+            print("Failed to save content")
+            #warning("Show error message")
+            return
         }
     }
 
@@ -218,10 +240,12 @@ struct MainView: App {
             showInitialSheet()
             return
         }
-        do {
-            try content.loadFromDisk()
-        } catch {
-            print("Failed to load content: \(error.localizedDescription)")
+        content.loadFromDisk { errors in
+            guard !errors.isEmpty else {
+                return
+            }
+            self.loadErrors = errors
+            self.showLoadErrorSheet = true
         }
     }