Fix file deletion

CHDataManagement/Model/Content.swift

@@ -123,6 +123,22 @@ final class Content: ObservableObject {
 
     func remove(_ file: FileResource) {
         files.remove(file)
-        #warning("Remove file from required files, thumbnails, post images, etc.")
+        for post in posts {
+            post.remove(file)
+        }
+
+        for page in pages {
+            page.remove(file)
+        }
+
+        for tag in tags {
+            tag.remove(file)
+        }
+        settings.remove(file)
+        #warning("Remove MainView.selectedFile when deleting file")
+    }
+
+    func file(withOutputPath: String) -> FileResource? {
+        files.first { $0.absoluteUrl == withOutputPath }
     }
 }

CHDataManagement/Model/Item/LinkPreviewItem.swift

@@ -1,9 +1,18 @@
 
-protocol LinkPreviewItem {
+protocol LinkPreviewItem: AnyObject {
 
-    var linkPreviewImage: FileResource? { get }
+    var linkPreviewImage: FileResource? { get set }
 
     var linkPreviewTitle: String? { get }
 
     var linkPreviewDescription: String? { get }
 }
+
+extension LinkPreviewItem {
+
+    func remove(linkPreviewImage file: FileResource) {
+        if linkPreviewImage == file {
+            linkPreviewImage = nil
+        }
+    }
+}

CHDataManagement/Model/LocalizedPost.swift

@@ -79,6 +79,13 @@ final class LocalizedPost: ObservableObject {
         }
         return text.contains(string)
     }
+
+    func remove(_ file: FileResource) {
+        if images.contains(file) {
+            images.remove(file)
+        }
+        remove(linkPreviewImage: file)
+    }
 }
 
 extension LocalizedPost: LinkPreviewItem {

CHDataManagement/Model/Page.swift

@@ -156,6 +156,14 @@ final class Page: Item {
     func hasContent(in language: ContentLanguage) -> Bool {
         content.storage.hasPageContent(for: id, language: language)
     }
+
+    func remove(_ file: FileResource) {
+        if requiredFiles.contains(file) {
+            requiredFiles.remove(file)
+        }
+        english.remove(linkPreviewImage: file)
+        german.remove(linkPreviewImage: file)
+    }
 }
 
 extension Page: DateItem {

CHDataManagement/Model/Post.swift

@@ -135,6 +135,11 @@ final class Post: Item {
         id = newId
         return true
     }
+
+    func remove(_ file: FileResource) {
+        english.remove(file)
+        german.remove(file)
+    }
 }
 
 extension Post: DateItem {

CHDataManagement/Model/Settings/AudioPlayerSettings.swift

@@ -51,6 +51,15 @@ final class AudioPlayerSettings: ObservableObject {
               german: german.file,
               english: english.file)
     }
+
+    func remove(_ file: FileResource) {
+        if audioPlayerJsFile == file {
+            audioPlayerJsFile = nil
+        }
+        if audioPlayerCssFile == file {
+            audioPlayerCssFile = nil
+        }
+    }
 }
 
 extension AudioPlayerSettings {

CHDataManagement/Model/Settings/PageSettings.swift

@@ -57,6 +57,24 @@ final class PageSettings: ObservableObject {
               german: german.file,
               english: english.file)
     }
+
+    func remove(_ file: FileResource) {
+        if codeHighlightingJsFile == file {
+            codeHighlightingJsFile = nil
+        }
+        if modelViewerJsFile == file {
+            modelViewerJsFile = nil
+        }
+        if defaultCssFile == file {
+            defaultCssFile = nil
+        }
+        if imageCompareJsFile == file {
+            imageCompareJsFile = nil
+        }
+        if imageCompareCssFile == file {
+            imageCompareCssFile = nil
+        }
+    }
 }
 
 extension PageSettings: LocalizedItem {

CHDataManagement/Model/Settings/PostSettings.swift

@@ -62,6 +62,18 @@ final class PostSettings: ObservableObject {
               german: german.file,
               english: english.file)
     }
+
+    func remove(_ file: FileResource) {
+        if swiperJsFile == file {
+            swiperJsFile = nil
+        }
+        if swiperCssFile == file {
+            swiperCssFile = nil
+        }
+        if defaultCssFile == file {
+            defaultCssFile = nil
+        }
+    }
 }
 
 extension PostSettings {

CHDataManagement/Model/Settings/Settings.swift

@@ -48,6 +48,12 @@ final class Settings: ObservableObject {
             audioPlayer: audioPlayer.file,
             tagOverview: tagOverview?.file)
     }
+
+    func remove(_ file: FileResource) {
+        pages.remove(file)
+        posts.remove(file)
+        audioPlayer.remove(file)
+    }
 }
 
 extension Settings {

CHDataManagement/Model/Tag.swift

@@ -66,6 +66,11 @@ final class Tag: Item {
     func contains(urlComponent: String) -> Bool {
         german.urlComponent == urlComponent || english.urlComponent == urlComponent
     }
+
+    func remove(_ file: FileResource) {
+        english.remove(linkPreviewImage: file)
+        german.remove(linkPreviewImage: file)
+    }
 }
 
 extension Tag: LocalizedItem {