1 files changed, 13 insertions, 4 deletions

diff --git a/lib/data/models/units.dart b/lib/data/models/units.dart
index 9e71213..c299a12 100644
--- a/lib/data/models/units.dart
+++ b/lib/data/models/units.dart
@@ -4,32 +4,39 @@ enum DistanceUnit { kilometers, miles }
 
 enum TemperatureUnit { celsius, fahrenheit }
 
+enum PressureUnit { kilopascals, psi }
+
 @immutable
 class Units {
   final DistanceUnit distanceUnit;
   final TemperatureUnit temperatureUnit;
+  final PressureUnit pressureUnit;
 
   const Units(
     this.distanceUnit,
     this.temperatureUnit,
+    this.pressureUnit,
   );
   const Units.initial()
       : distanceUnit = DistanceUnit.kilometers,
-        temperatureUnit = TemperatureUnit.celsius;
+        temperatureUnit = TemperatureUnit.celsius,
+        pressureUnit = PressureUnit.kilopascals;
 
   Units copyWith({
     DistanceUnit? distanceUnit,
     TemperatureUnit? temperatureUnit,
+    PressureUnit? pressureUnit,
   }) {
     return Units(
       distanceUnit ?? this.distanceUnit,
       temperatureUnit ?? this.temperatureUnit,
+      pressureUnit ?? this.pressureUnit,
     );
   }
 
   @override
   String toString() =>
-      'Units(distanceUnit: $distanceUnit, temperatureUnit: $temperatureUnit)';
+      'Units(distanceUnit: $distanceUnit, temperatureUnit: $temperatureUnit, pressureUnit: $pressureUnit)';
 
   @override
   bool operator ==(Object other) {
@@ -37,9 +44,11 @@ class Units {
 
     return other is Units &&
         other.distanceUnit == distanceUnit &&
-        other.temperatureUnit == temperatureUnit;
+        other.temperatureUnit == temperatureUnit &&
+        other.pressureUnit == pressureUnit;
   }
 
   @override
-  int get hashCode => distanceUnit.hashCode ^ temperatureUnit.hashCode;
+  int get hashCode =>
+      distanceUnit.hashCode ^ temperatureUnit.hashCode ^ pressureUnit.hashCode;
 }