Added Model.hasChanges property (#129)

vapor · Jan 16, 2020 · d3bb891 · d3bb891
1 parent 877bf49
commit d3bb891
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/Sources/FluentKit/Model/Model.swift b/Sources/FluentKit/Model/Model.swift
@@ -108,6 +108,12 @@ private struct ContainerEncoder: Encoder, SingleValueEncodingContainer {
 }
 
 extension Model {
+
+    /// Indicates whether the model has fields that have been set, but the model has not yet been saved to the database.
+    public var hasChanges: Bool {
+        return !self.input.isEmpty
+    }
+
     public static func key<Field>(for field: KeyPath<Self, Field>) -> String
         where Field: FieldRepresentable
     {