init

filcnaplo/lib/helpers/average_helper.dart

@@ -0,0 +1,25 @@
+import 'package:filcnaplo_kreta_api/models/grade.dart';
+
+class AverageHelper {
+  static double averageEvals(List<Grade> grades, {bool finalAvg = false}) {
+    double average = 0.0;
+
+    List<String> ignoreInFinal = ["5,SzorgalomErtek", "4,MagatartasErtek"];
+
+    if (finalAvg)
+      grades.removeWhere((e) =>
+          (e.value.value == 0) ||
+          (ignoreInFinal.contains(e.gradeType?.id)));
+
+    grades.forEach((e) {
+      average += e.value.value * ((finalAvg ? 100 : e.value.weight) / 100);
+    });
+
+    average = average /
+        grades
+            .map((e) => (finalAvg ? 100 : e.value.weight) / 100)
+            .fold(0.0, (a, b) => a + b);
+
+    return average.isNaN ? 0.0 : average;
+  }
+}