Refactor tag file, remove subtitle

CHDataManagement/Model/Content+Load.swift

@@ -7,10 +7,9 @@ extension Content {
             content: self,
             urlComponent: tag.urlComponent,
             name: tag.name,
-            subtitle: tag.subtitle,
-            description: tag.description,
-            thumbnail: tag.thumbnail.map { images[$0] },
             linkPreviewTitle: tag.linkPreviewTitle,
+            linkPreviewDescription: tag.linkPreviewDescription,
+            linkPreviewImage: tag.linkPreviewImage.map { images[$0] },
             originalUrl: tag.originalURL)
     }
 

CHDataManagement/Model/Content+Save.swift

@@ -11,7 +11,7 @@ extension Content {
         var failedSaves = 0
         failedSaves += pages.count { !storage.save(pageMetadata: $0.pageFile, for: $0.id) }
         failedSaves += posts.count { !storage.save(post: $0.postFile, for: $0.id) }
-        failedSaves += tags.count { !storage.save(tagMetadata: $0.tagFile, for: $0.id) }
+        failedSaves += tags.count { !storage.save(tagMetadata: $0.file, for: $0.id) }
         failedSaves.increment(!storage.save(settings: settings.file))
 
         let fileDescriptions: [FileDescriptions] = files.sorted().compactMap { file in
@@ -111,27 +111,3 @@ private extension LocalizedPost {
               linkPreviewDescription: linkPreviewDescription)
     }
 }
-
-
-private extension Tag {
-
-    var tagFile: TagFile {
-        .init(id: id,
-              isVisible: isVisible,
-              german: german.tagFile,
-              english: english.tagFile)
-    }
-}
-
-private extension LocalizedTag {
-
-    var tagFile: LocalizedTagFile {
-        .init(urlComponent: urlComponent,
-              name: name,
-              subtitle: subtitle,
-              description: description,
-              linkPreviewTitle: linkPreviewTitle,
-              thumbnail: linkPreviewImage?.id,
-              originalURL: originalUrl)
-    }
-}

CHDataManagement/Model/FileResource.swift

@@ -63,34 +63,43 @@ final class FileResource: Item {
         return imageDimensions.width / imageDimensions.height
     }
 
+    private func update(imageDimensions size: CGSize?) {
+        guard let imageDimensions, let size else {
+            // First computation
+            DispatchQueue.main.async {
+                self.imageDimensions = size
+            }
+            return
+        }
+        guard imageDimensions != size else {
+            return
+        }
+        // Image must have changed, so force regeneration
+        DispatchQueue.main.async {
+            self.imageDimensions = size
+            self.didChange()
+            self.removeGeneratedImages()
+        }
+    }
+
     var imageToDisplay: Image {
         guard let imageData = content.storage.fileData(for: id) else {
             print("Failed to load data for image \(id)")
             return failureImage
         }
-        if fileSize == nil {
-            DispatchQueue.main.async {
-                self.fileSize = imageData.count
-            }
-        }
+        update(fileSize: imageData.count)
         guard let loadedImage = NSImage(data: imageData) else {
             print("Failed to create image \(id)")
             return failureImage
         }
-        if loadedImage.size != imageDimensions {
-            DispatchQueue.main.async {
-                self.imageDimensions = loadedImage.size
-            }
-        }
+        update(imageDimensions: loadedImage.size)
+
         return .init(nsImage: loadedImage)
     }
 
     func determineImageDimensions() {
         let size = getImageDimensions()
-
-        DispatchQueue.main.async {
-            self.imageDimensions = size
-        }
+        self.update(imageDimensions: size)
     }
 
     private func getImageDimensions() -> CGSize? {
@@ -106,16 +115,34 @@ final class FileResource: Item {
         return loadedImage.size
     }
 
-    func determineFileSize() {
-        DispatchQueue.global(qos: .userInitiated).async {
-            let size = self.content.storage.size(of: self.id)
+    func update(fileSize size: Int?) {
+        guard let fileSize, let size else {
+            // First computation
             DispatchQueue.main.async {
                 self.fileSize = size
             }
+            return
+        }
+        guard fileSize != size else {
+            return
+        }
+        // File must have changed
+        DispatchQueue.main.async {
+            self.fileSize = size
+            self.didChange()
+            self.removeGeneratedImages()
+        }
+    }
+
+    func determineFileSize() {
+        DispatchQueue.global(qos: .userInitiated).async {
+            let size = self.content.storage.size(of: self.id)
+            self.update(fileSize: size)
         }
     }
 
     func removeGeneratedImages() {
+        guard type.isImage else { return }
         content.imageGenerator.removeVersions(of: id)
         content.storage.deleteInOutputFolder(path: outputImageFolder)
     }

CHDataManagement/Model/LocalizedTag.swift

@@ -12,36 +12,31 @@ final class LocalizedTag: ObservableObject {
     var name: String
 
     @Published
-    var subtitle: String?
+    var linkPreviewTitle: String?
 
     @Published
-    var description: String?
+    var linkPreviewDescription: String?
 
     /// The image id of the thumbnail
     @Published
     var linkPreviewImage: FileResource?
 
-    @Published
-    var linkPreviewTitle: String?
-
     /// The original url in the previous site layout
     let originalUrl: String?
 
     init(content: Content,
          urlComponent: String,
          name: String,
-         subtitle: String? = nil,
-         description: String? = nil,
-         thumbnail: FileResource? = nil,
          linkPreviewTitle: String? = nil,
+         linkPreviewDescription: String? = nil,
+         linkPreviewImage: FileResource? = nil,
          originalUrl: String? = nil) {
         self.content = content
         self.urlComponent = urlComponent
         self.name = name
-        self.subtitle = subtitle
-        self.description = description
-        self.linkPreviewImage = thumbnail
         self.linkPreviewTitle = linkPreviewTitle
+        self.linkPreviewDescription = linkPreviewDescription
+        self.linkPreviewImage = linkPreviewImage
         self.originalUrl = originalUrl
     }
 
@@ -58,7 +53,16 @@ final class LocalizedTag: ObservableObject {
 
 extension LocalizedTag: LinkPreviewItem {
 
-    var linkPreviewDescription: String? {
-        description
+}
+
+extension LocalizedTag {
+
+    var tagFile: LocalizedTagFile {
+        .init(urlComponent: urlComponent,
+              name: name,
+              linkPreviewTitle: linkPreviewTitle,
+              linkPreviewDescription: linkPreviewDescription,
+              linkPreviewImage: linkPreviewImage?.id,
+              originalURL: originalUrl)
     }
 }

CHDataManagement/Model/Tag.swift

@@ -71,3 +71,13 @@ final class Tag: Item {
 extension Tag: LocalizedItem {
 
 }
+
+extension Tag {
+
+    var file: TagFile {
+        .init(id: id,
+              isVisible: isVisible,
+              german: german.tagFile,
+              english: english.tagFile)
+    }
+}