intermediate

app/lib/extensions/image.dart

@@ -0,0 +1,20 @@
+import 'dart:ui';
+
+import 'package:crypto/crypto.dart';
+import 'package:lensai/domain/entities/equatable_image.dart';
+
+extension ImageHash on Image {
+  Future<String?> calculateHash() async {
+    final bytes = await toByteData();
+    if (bytes != null) {
+      final digest = sha1.convert(bytes.buffer.asUint8List());
+      return digest.toString();
+    }
+
+    return null;
+  }
+
+  Future<EquatableImage> toEquatable() {
+    return EquatableImage.calculate(this);
+  }
+}