Add images to posts, saving

CHDataManagement/Model/Content.swift

@@ -17,7 +17,7 @@ final class Content: ObservableObject {
     var images: [ImageResource] = []
 
     @Published
-    var files: [FileResources] = []
+    var files: [FileResource] = []
 
     @AppStorage("contentPath")
     private var storedContentPath: String = ""
@@ -37,7 +37,7 @@ final class Content: ObservableObject {
          pages: [Page] = [],
          tags: [Tag] = [],
          images: [ImageResource] = [],
-         files: [FileResources] = [],
+         files: [FileResource] = [],
          storedContentPath: String) {
         self.posts = posts
         self.pages = pages
@@ -209,13 +209,13 @@ final class Content: ObservableObject {
             dict[file] = ImageResource(uniqueId: file, altText: .init(en: "", de: ""), fileUrl: url)
         }
 
-        let files: [FileResources] = filesData.compactMap { file, url in
+        let files: [FileResource] = filesData.compactMap { file, url in
             let ext = file.components(separatedBy: ".").last!.lowercased()
             let type = FileType(fileExtension: ext)
             guard type == .file else {
                 return nil
             }
-            return FileResources(uniqueId: file, description: "")
+            return FileResource(uniqueId: file, description: "")
         }
         
         let posts = postsData.map { postId, post in
@@ -293,6 +293,27 @@ final class Content: ObservableObject {
         }
     }
 
+    // MARK: Saving
+
+    func saveToDisk() {
+        print("Starting save")
+        for page in pages {
+            storage.save(pageMetadata: page.pageFile, for: page.id)
+        }
+
+        for post in posts {
+            storage.save(post: post.postFile, for: post.id)
+        }
+
+        for tag in tags {
+            storage.save(tagMetadata: tag.tagFile, for: tag.id)
+        }
+        // TODO: Remove all files that are no longer in use (they belong to deleted items)
+        print("Finished save")
+    }
+
+    // MARK: Folder access
+
     static func accessFolderFromBookmark(key: String, operation: (URL) -> Void) {
         guard let bookmarkData = UserDefaults.standard.data(forKey: key) else {
             print("No bookmark data to access folder")

CHDataManagement/Model/FileResource.swift

@@ -1,6 +1,6 @@
 import Foundation
 
-final class FileResources: ObservableObject {
+final class FileResource: ObservableObject {
 
     /// Globally unique id
     @Published

CHDataManagement/Model/ImageResource.swift

@@ -50,6 +50,13 @@ extension ImageResource: Equatable {
     }
 }
 
+extension ImageResource: Hashable {
+
+    func hash(into hasher: inout Hasher) {
+        hasher.combine(id)
+    }
+}
+
 extension ImageResource {
 
     var imageToDisplay: Image {

CHDataManagement/Model/LocalizedPost.swift

@@ -25,10 +25,6 @@ final class LocalizedPost: ObservableObject {
         self.images = images
     }
 
-    var displayImages: [Image] {
-        images.map { $0.imageToDisplay }
-    }
-
     @MainActor
     func editableTitle() -> Binding<String> {
         Binding(

CHDataManagement/Model/Post+Storage.swift

@@ -0,0 +1,26 @@
+import Foundation
+
+extension Post {
+
+    var postFile: PostFile {
+        .init(
+            isDraft: isDraft,
+            createdDate: createdDate,
+            startDate: startDate,
+            endDate: hasEndDate ? endDate : nil,
+            tags: tags.map { $0.id },
+            german: german.postFile,
+            english: english.postFile,
+            linkedPageId: linkedPage?.id)
+    }
+}
+
+extension LocalizedPost {
+
+    var postFile: LocalizedPostFile {
+        .init(images: images.map { $0.id },
+              title: title.nonEmpty,
+              content: content,
+              lastModifiedDate: lastModified)
+    }
+}

CHDataManagement/Model/Tag+Storage.swift

@@ -0,0 +1,22 @@
+import Foundation
+
+extension Tag {
+
+    var tagFile: TagFile {
+        .init(id: id,
+              german: german.tagFile,
+              english: english.tagFile)
+    }
+}
+
+extension LocalizedTag {
+
+    var tagFile: LocalizedTagFile {
+        .init(urlComponent: urlComponent,
+              name: name,
+              subtitle: subtitle,
+              description: description,
+              thumbnail: thumbnail,
+              originalURL: originalUrl)
+    }
+}