early work on supporting multiple files

Controllers/HomeController.cs

@@ -12,9 +12,10 @@ public class HomeController : Controller
         this.noteService = noteService;
     }
 
-    public IActionResult Index()
+    [Route("{noteName?}")]
+    public IActionResult Index(string? noteName)
     {
-        var content = noteService.Get();
+        var content = noteService.Get(noteName);
 
         return View((object)content);
     }

NoteHub.cs

@@ -12,9 +12,9 @@ namespace BinaryDad.Notes
             this.noteService = noteService;
         }
 
-        public async Task SaveNote(string content)
+        public async Task SaveNote(string content, string? noteName)
         {
-            noteService.Save(content);
+            noteService.Save(content, noteName);
 
             await Clients.Others.SendAsync("updateNote", content);
         }

Services/FileNoteService.cs

@@ -2,27 +2,38 @@
 {
     public class FileNoteService : INoteService
     {
-        private readonly string? filePath;
+        private readonly string? defaultFileName;
 
         public FileNoteService(IConfiguration configuration)
         {
-            filePath = configuration["ContentFilePath"];
+            defaultFileName = configuration["ContentFilePath"];
+
+            CheckFile(defaultFileName);
+        }
+
+        public string Get(string? noteName)
+        {
+            CheckFile(noteName);
+
+            return File.ReadAllText(GetFileName(noteName));
+        }
+
+        public void Save(string content, string? noteName)
+        {
+            File.WriteAllText(GetFileName(noteName), content);
+        }
+
+        private void CheckFile(string noteName)
+        {
+            var fileName = GetFileName(noteName);
 
             // ensure initialized
-            if (!File.Exists(filePath))
+            if (!File.Exists(fileName))
             {
-                Save("Hi! Feel free to start typing. Everything will be saved soon after you are done typing.");
+                Save("Hi! Feel free to start typing. Everything will be saved soon after you are done typing.", fileName);
             }
         }
 
-        public string Get()
-        {
-            return File.ReadAllText(filePath);
-        }
-
-        public void Save(string content)
-        {
-            File.WriteAllText(filePath, content);
-        }
+        private string GetFileName(string? noteName) => string.IsNullOrWhiteSpace(noteName) ? defaultFileName : noteName;
     }
 }

Services/INoteService.cs

@@ -2,7 +2,7 @@
 {
     public interface INoteService
     {
-        string Get();
-        void Save(string content);
+        string Get(string? noteName);
+        void Save(string content, string? noteName);
     }
 }

appsettings.json

@@ -6,5 +6,5 @@
     }
   },
   "AllowedHosts": "*",
-  "ContentFilePath": "content.txt"
+  "ContentFilePath": "content"
 }

wwwroot/js/site.js

@@ -1,4 +1,6 @@
-let connection = new signalR.HubConnectionBuilder()
+const noteName = document.location.pathname.substring(1);
+
+let connection = new signalR.HubConnectionBuilder()
     .withAutomaticReconnect()
     .withUrl("/noteHub")
     .build();
@@ -29,7 +31,7 @@ function saveContent($textarea) {
 
     var content = $textarea.val();
 
-    connection.invoke('SaveNote', content).then(function () {
+    connection.invoke('SaveNote', content, noteName).then(function () {
         showToast('#saved-indicator');
     }).catch(function (err) {
         console.error(err.toString());