Rework storage structs, link preview

CHDataManagement/Model/Settings/LocalizedPostSettings.swift

@@ -2,15 +2,23 @@ import Foundation
 
 final class LocalizedPostSettings: ObservableObject {
 
+    /// The page title for the post feed
     @Published
     var title: String
 
+    /// The page description for the post feed
     @Published
     var description: String
 
+    /// The path to the feed in the final website, appended with the page number
     @Published
     var feedUrlPrefix: String
 
+    /**
+     The text to display when linking to a page
+
+     Each post may define a custom text.
+     */
     @Published
     var defaultPageLinkText: String
 
@@ -20,21 +28,32 @@ final class LocalizedPostSettings: ObservableObject {
         self.feedUrlPrefix = feedUrlPrefix
         self.defaultPageLinkText = defaultPageLinkText
     }
+}
 
-    // MARK: Storage
+// MARK: Storage
 
-    init(file: LocalizedPostSettingsFile) {
-        self.title = file.feedTitle
-        self.description = file.feedDescription
-        self.feedUrlPrefix = file.feedUrlPrefix
-        self.defaultPageLinkText = file.defaultPageLinkText ?? "View"
+extension LocalizedPostSettings {
+
+    convenience init(data: Data) {
+        self.init(
+            title: data.feedTitle,
+            description: data.feedDescription,
+            feedUrlPrefix: data.feedUrlPrefix,
+            defaultPageLinkText: data.defaultPageLinkText)
     }
 
-    var file: LocalizedPostSettingsFile {
+    var data: Data {
         .init(
             feedTitle: title,
             feedDescription: description,
             feedUrlPrefix: feedUrlPrefix,
             defaultPageLinkText: defaultPageLinkText)
     }
+
+    struct Data: Codable {
+        let feedTitle: String
+        let feedDescription: String
+        let feedUrlPrefix: String
+        let defaultPageLinkText: String
+    }
 }