From 7ea883b0721fd3bdb209f88a2c9870715aab6c09 Mon Sep 17 00:00:00 2001
From: Dennis <github@geldhof.eu>
Date: Fri, 18 Aug 2023 18:29:28 +0200
Subject: [PATCH] Add illuminance units (#38)

* Add illuminance units

* Fix description

* Format + adapted code style

---------

Co-authored-by: Dennis Geldhof <dennis@nurtio.com>
Co-authored-by: Damiano Ferrari <damianoferrari1998@gmail.com>
---
 lib/models/property.dart        |  1 +
 lib/properties/illuminance.dart | 38 +++++++++++++++++++++++++++++++++
 lib/units_converter.dart        |  1 +
 lib/utils/utils.dart            |  3 +++
 test/conversion_test.dart       |  8 +++++++
 test/extension_test.dart        |  2 ++
 test/getters_test.dart          |  8 +++++++
 7 files changed, 61 insertions(+)
 create mode 100644 lib/properties/illuminance.dart

diff --git a/lib/models/property.dart b/lib/models/property.dart
index d64e371..32dd75c 100644
--- a/lib/models/property.dart
+++ b/lib/models/property.dart
@@ -9,6 +9,7 @@ enum PROPERTY {
   energy,
   force,
   fuelConsumption,
+  illuminance,
   length,
   mass,
   molarmass,
diff --git a/lib/properties/illuminance.dart b/lib/properties/illuminance.dart
new file mode 100644
index 0000000..75de5af
--- /dev/null
+++ b/lib/properties/illuminance.dart
@@ -0,0 +1,38 @@
+import 'package:units_converter/models/conversion_node.dart';
+import 'package:units_converter/models/double_property.dart';
+import 'package:units_converter/models/property.dart';
+import 'package:units_converter/models/unit.dart';
+
+enum ILLUMINANCE {
+  lux,
+  footCandle,
+}
+
+class Illuminance extends DoubleProperty<ILLUMINANCE> {
+  ///Class for light conversions, e.g. if you want to convert 1 lux in to foot-candle:
+  ///```dart
+  ///var illuminance = Illuminance(removeTrailingZeros: false);
+  ///illuminance.convert(Unit(ILLUMINANCE.lux, value: 1));
+  ///print(illuminance.footCandle);
+  /// ```
+  Illuminance(
+      {super.significantFigures,
+      super.removeTrailingZeros,
+      super.useScientificNotation,
+      name})
+      : super(
+            name: name ?? PROPERTY.illuminance,
+            mapSymbols: {
+              ILLUMINANCE.lux: 'lx',
+              ILLUMINANCE.footCandle: 'fc',
+            },
+            conversionTree: ConversionNode(name: ILLUMINANCE.lux, leafNodes: [
+              ConversionNode(
+                coefficientProduct: 10.763910416709722,
+                name: ILLUMINANCE.footCandle,
+              ),
+            ]));
+
+  Unit get lux => getUnit(ILLUMINANCE.lux);
+  Unit get footCandle => getUnit(ILLUMINANCE.footCandle);
+}
diff --git a/lib/units_converter.dart b/lib/units_converter.dart
index d9012f2..68062bd 100644
--- a/lib/units_converter.dart
+++ b/lib/units_converter.dart
@@ -26,3 +26,4 @@ export 'package:units_converter/properties/digital_data.dart';
 export 'package:units_converter/properties/shoe_size.dart';
 export 'package:units_converter/properties/numeral_systems.dart';
 export 'package:units_converter/properties/density.dart';
+export 'package:units_converter/properties/illuminance.dart';
diff --git a/lib/utils/utils.dart b/lib/utils/utils.dart
index 9707a65..0b24485 100644
--- a/lib/utils/utils.dart
+++ b/lib/utils/utils.dart
@@ -1,6 +1,7 @@
 import 'dart:math';
 import 'package:units_converter/models/property.dart';
 import 'package:units_converter/properties/amount_of_substance.dart';
+import 'package:units_converter/properties/illuminance.dart';
 import 'package:units_converter/properties/length.dart';
 import 'package:units_converter/properties/area.dart';
 import 'package:units_converter/properties/molar_mass.dart';
@@ -41,6 +42,8 @@ Property? getPropertyFromEnum(dynamic propertyEnum) {
       return Force();
     case FUEL_CONSUMPTION:
       return FuelConsumption();
+    case ILLUMINANCE:
+      return Illuminance();
     case LENGTH:
       return Length();
     case MASS:
diff --git a/test/conversion_test.dart b/test/conversion_test.dart
index b79ad28..9eb2fda 100644
--- a/test/conversion_test.dart
+++ b/test/conversion_test.dart
@@ -174,6 +174,14 @@ void main() {
     runConversionTest(expectedResult, FuelConsumption());
   });
 
+  group('Illuminance', () {
+    const Map<ILLUMINANCE, double> expectedResult = {
+      ILLUMINANCE.lux: 1,
+      ILLUMINANCE.footCandle: 0.09290304,
+    };
+    runConversionTest(expectedResult, Illuminance());
+  });
+
   group('Length', () {
     const Map<LENGTH, double> expectedResult = {
       LENGTH.meters: 1,
diff --git a/test/extension_test.dart b/test/extension_test.dart
index 79ad598..a206e91 100644
--- a/test/extension_test.dart
+++ b/test/extension_test.dart
@@ -10,6 +10,8 @@ void main() {
     expect(1.convertFromTo(DIGITAL_DATA.byte, DIGITAL_DATA.nibble), 2);
     expect(1.convertFromTo(ENERGY.kilocalories, ENERGY.calories), 1e3);
     expect(1.convertFromTo(FORCE.dyne, FORCE.newton), 1e-5);
+    expect(
+        1.convertFromTo(ILLUMINANCE.lux, ILLUMINANCE.footCandle), 0.09290304);
     expect(
         1.convertFromTo(FUEL_CONSUMPTION.kilometersPerLiter,
             FUEL_CONSUMPTION.litersPer100km),
diff --git a/test/getters_test.dart b/test/getters_test.dart
index 4f42e10..9329c5d 100644
--- a/test/getters_test.dart
+++ b/test/getters_test.dart
@@ -169,6 +169,14 @@ void main() {
         property.getUnit(FUEL_CONSUMPTION.milesPerImperialGallon));
   });
 
+  group('Illuminance test', () {
+    var property = Illuminance();
+    property.convert(ILLUMINANCE.lux, 1);
+    runGetterTest(property.lux, property.getUnit(ILLUMINANCE.lux));
+    runGetterTest(
+        property.footCandle, property.getUnit(ILLUMINANCE.footCandle));
+  });
+
   group('Length test', () {
     var property = Length();
     property.convert(LENGTH.meters, 1);