feat: Implement file management and authorization features

- Add RequiresPermissionAttribute for gRPC method access control.
- Create IFileManagementService interface for file upload and management.
- Implement AddProductImageCommand and handler for adding product images.
- Implement CreateNewProductsCommand and handler for creating new products with image uploads.
- Implement DeleteProductsCommand and handler for deleting products and their associations.
- Implement RemoveProductImageCommand and handler for removing product images from galleries.
- Implement UpdateProductsCommand and handler for updating product details and images.
- Create GetProductGalleryQuery and handler for retrieving product galleries.
- Implement PermissionService for role-based access control using JWT claims.
- Implement FileManagementService for handling file uploads and image optimization.
- Define gRPC service and messages for file management in fms.proto.
- Add FluentValidation for request validation in various commands.
- Create PermissionInterceptor for enforcing permissions on gRPC methods.

src/CMSMicroservice.Domain/Entities/OtpToken.cs

@@ -18,14 +18,11 @@ public class OtpToken : BaseAuditableEntity
     public bool IsUsed { get; set; }
 
     /// <summary>
-    /// Validates if the provided code is correct and token is not expired
+    /// Checks if token is still valid (not used and not expired).
+    /// Code verification should be done in the handler using IHashService.
     /// </summary>
-    public bool IsValid(string providedCode)
+    public bool IsValid()
     {
-        if (IsUsed || DateTime.UtcNow > ExpiresAt)
-            return false;
-
-        // Use BCrypt to verify the provided code against the stored hash
-        return BCrypt.Net.BCrypt.Verify(providedCode, CodeHash);
+        return !IsUsed && DateTime.Now > ExpiresAt == false;
     }
 }