Rework content commands, add audio player

CHDataManagement/Views/Pages/LocalizedPageContentView.swift

@@ -6,18 +6,14 @@ struct LocalizedPageContentView: View {
 
     let pageId: String
 
+    let language: ContentLanguage
+
     @ObservedObject
     var page: LocalizedPage
 
-    @Environment(\.language)
-    private var language
-
     @State
     private var isGeneratingWebsite = false
 
-    @State
-    private var loadedPageContentLanguage: ContentLanguage?
-
     @State
     private var pageContent: String = ""
 
@@ -27,10 +23,13 @@ struct LocalizedPageContentView: View {
     @State
     private var generationResults = PageGenerationResults()
 
+    @State
+    private var didChangeContent = false
 
-    init(pageId: String, page: LocalizedPage) {
+    init(pageId: String, page: LocalizedPage, language: ContentLanguage) {
         self.pageId = pageId
         self.page = page
+        self.language = language
     }
 
     var body: some View {
@@ -55,6 +54,9 @@ struct LocalizedPageContentView: View {
             HighlightedTextEditor(
                 text: $pageContent,
                 highlightRules: .markdown)
+            .onChange(of: pageContent) {
+                didChangeContent = true
+            }
         }
         .padding()
         .onAppear(perform: loadContent)
@@ -68,25 +70,33 @@ struct LocalizedPageContentView: View {
 
             guard content != "" else {
                 pageContent = "New file"
-                loadedPageContentLanguage = nil
+                DispatchQueue.main.async {
+                    didChangeContent = false
+                }
                 return
             }
             pageContent = content
-            loadedPageContentLanguage = language
             checkContent()
         } catch {
             print("Failed to load page content: \(error)")
             pageContent = "Failed to load"
-            loadedPageContentLanguage = nil
+        }
+        DispatchQueue.main.async {
+            didChangeContent = false
         }
     }
 
     private func saveContent() {
-        guard let loadedPageContentLanguage else {
+        guard pageContent != "New file", pageContent != "" else {
+            // TODO: Delete file?
+            return
+        }
+        guard didChangeContent else {
             return
         }
         do {
-            try page.content.storage.save(pageContent: pageContent, for: pageId, language: loadedPageContentLanguage)
+            try page.content.storage.save(pageContent: pageContent, for: pageId, language: language)
+            didChangeContent = false
         } catch {
             print("Failed to save content: \(error)")
         }