Rework content commands, add audio player

CHDataManagement/Model/FileResource.swift

@@ -1,9 +1,7 @@
 import Foundation
 import SwiftUI
 
-final class FileResource: ObservableObject {
-
-    unowned let content: Content
+final class FileResource: Item {
 
     let type: FileType
 
@@ -24,24 +22,24 @@ final class FileResource: ObservableObject {
     var size: CGSize = .zero
 
     init(content: Content, id: String, isExternallyStored: Bool, en: String, de: String) {
-        self.content = content
         self.id = id
         self.type = FileType(fileExtension: id.fileExtension)
         self.englishDescription = en
         self.germanDescription = de
         self.isExternallyStored = isExternallyStored
+        super.init(content: content)
     }
 
     /**
      Only for bundle images
      */
     init(resourceImage: String, type: ImageFileType) {
-        self.content = .mock // TODO: Add images to mock
         self.type = .image(type)
         self.id = resourceImage
         self.englishDescription = "A test image included in the bundle"
         self.germanDescription = "Ein Testbild aus dem Bundle"
         self.isExternallyStored = true
+        super.init(content: .mock) // TODO: Add images to mock
     }
 
     func getDescription(for language: ContentLanguage) -> String {
@@ -62,6 +60,10 @@ final class FileResource: ObservableObject {
         }
     }
 
+    func dataContent() throws -> Data {
+        try content.storage.fileData(for: id)
+    }
+
     // MARK: Images
 
     var aspectRatio: CGFloat {
@@ -94,6 +96,26 @@ final class FileResource: ObservableObject {
     private var failureImage: Image {
         Image(systemSymbol: .exclamationmarkTriangle)
     }
+
+    // MARK: Paths
+
+    /**
+     Get the url path to a file in the output folder.
+     The result is an absolute path from the output folder for use in HTML.
+     */
+    var absoluteUrl: String {
+        let path = pathPrefix + "/" + id
+        return makeCleanAbsolutePath(path)
+    }
+
+
+    private var pathPrefix: String {
+        switch type {
+        case .image: return content.settings.paths.imagesOutputFolderPath
+        case .video: return content.settings.paths.videosOutputFolderPath
+        default: return content.settings.paths.filesOutputFolderPath
+        }
+    }
 }
 
 extension FileResource: Identifiable {