Explicit asset property

CHDataManagement/Model/FileResource.swift

@@ -43,6 +43,10 @@ final class FileResource: Item, LocalizedItem {
     @Published
     var modifiedDate: Date
 
+    /// Identify this file as an asset to be placed in the `asset` folder on generation
+    @Published
+    var isAsset: Bool
+
     /// The dimensions of the image
     @Published
     var imageDimensions: CGSize? = nil
@@ -63,7 +67,8 @@ final class FileResource: Item, LocalizedItem {
          generatedImageVersions: Set<String> = [],
          customOutputPath: String? = nil,
          addedDate: Date = .now,
-         modifiedDate: Date = .now) {
+         modifiedDate: Date = .now,
+         isAsset: Bool = false) {
         self.type = FileType(fileExtension: id.fileExtension)
         self.isExternallyStored = isExternallyStored
         self.german = german
@@ -74,6 +79,7 @@ final class FileResource: Item, LocalizedItem {
         self.customOutputPath = customOutputPath
         self.addedDate = addedDate
         self.modifiedDate = modifiedDate
+        self.isAsset = isAsset
         super.init(content: content, id: id)
     }
 
@@ -91,6 +97,7 @@ final class FileResource: Item, LocalizedItem {
         self.customOutputPath = nil
         self.addedDate = Date.now
         self.modifiedDate = Date.now
+        self.isAsset = false
         super.init(content: content, id: resourceImage)
     }
 
@@ -306,6 +313,9 @@ final class FileResource: Item, LocalizedItem {
     }
 
     private var pathPrefix: String {
+        if isAsset {
+            return content.settings.paths.assetsOutputFolderPath
+        }
         if type.isImage {
             return content.settings.paths.imagesOutputFolderPath
         }
@@ -315,9 +325,6 @@ final class FileResource: Item, LocalizedItem {
         if type.isAudio {
             return content.settings.paths.audioOutputFolderPath
         }
-        if type.isAsset {
-            return content.settings.paths.assetsOutputFolderPath
-        }
         return content.settings.paths.filesOutputFolderPath
     }
 
@@ -365,7 +372,8 @@ extension FileResource: StorageItem {
             generatedImageVersions: Set(data.generatedImages ?? []),
             customOutputPath: data.customOutputPath,
             addedDate: data.addedDate,
-            modifiedDate: data.modifiedDate)
+            modifiedDate: data.modifiedDate,
+            isAsset: data.isAsset ?? false)
         savedData = data
     }
 
@@ -378,7 +386,8 @@ extension FileResource: StorageItem {
             version: version,
             sourceUrl: sourceUrl,
             addedDate: addedDate,
-            modifiedDate: modifiedDate)
+            modifiedDate: modifiedDate,
+            isAsset: isAsset ? true : nil)
     }
 
     /// This struct holds metadata about a file resource that is stored in the content folder.
@@ -391,6 +400,7 @@ extension FileResource: StorageItem {
         let sourceUrl: String?
         let addedDate: Date
         let modifiedDate: Date
+        let isAsset: Bool?
     }
 
     func saveToDisk(_ data: Data) -> Bool {