Optimized image storage

Wave/Components/Account/Pages/Manage/Index.razor

@@ -60,8 +60,10 @@
         var guid = await ImageService.StoreImageAsync(tempFilePath);
         if (!guid.HasValue) throw new ApplicationException("Processing Image failed.");
 
+        Guid? imageToDelete = null;
         await using var context = await ContextFactory.CreateDbContextAsync();
         if (User.ProfilePicture is not null) {
+            imageToDelete = User.ProfilePicture.ImageId;
             context.Remove(User.ProfilePicture);
         }
 
@@ -72,7 +74,9 @@
         context.Update(User);
         await context.SaveChangesAsync();
 
-        // TODO notify changed pfp
+        if (imageToDelete is not null)
+            ImageService.Delete(imageToDelete.Value);
+        await InvokeAsync(StateHasChanged);
     }
 
 }

Wave/Components/FileUploadComponent.razor

@@ -31,6 +31,7 @@
             string tempPath = await FileUtilities.StoreTemporary(args.File.OpenReadStream(MaxFileSize));
             await FileUploadedCallback.InvokeAsync(tempPath);
             Message = string.Empty;
+            File.Delete(tempPath);
         } catch (Exception ex) {
             Message = "File upload failed: " + ex.Message;
         } finally {

Wave/Services/ImageService.cs

@@ -1,4 +1,5 @@
 using ImageMagick;
+using static System.Net.Mime.MediaTypeNames;
 
 namespace Wave.Services;
 
@@ -47,4 +48,9 @@ public class ImageService(ILogger<ImageService> logger) {
             return null;
         }
     }
+
+    public void Delete(Guid imageId) {
+        string path = Path.Combine(BasePath, imageId + ImageExtension);
+        File.Delete(path);
+    }
 }