Commit 79a72e1

@@ -314,3 +314,41 @@ class BloodPressureRecord {
   const BloodPressureRecord(
       this.creationTime, this.systolic, this.diastolic, this.pulse, this.notes);
 }
+
+// source: https://pressbooks.library.torontomu.ca/vitalsign/chapter/blood-pressure-ranges/ (last access: 20.05.2023)
+class BloodPressureWarnValues {
+  BloodPressureWarnValues._create();
+
+  static String source = 'https://pressbooks.library.torontomu.ca/vitalsign/chapter/blood-pressure-ranges/';
+
+  static int getUpperDiaWarnValue(int age) {
+    if (age <= 2) {
+      return 70;
+    } else if (age <= 13) {
+      return 80;
+    } else if (age <= 18) {
+      return 80;
+    } else if (age <= 40) {
+      return 80;
+    } else if (age <= 60) {
+      return 90;
+    } else {
+      return 90;
+    }
+  }
+  static int getUpperSysWarnValue(int age) {
+    if (age <= 2) {
+      return 100;
+    } else if (age <= 13) {
+      return 120;
+    } else if (age <= 18) {
+      return 120;
+    } else if (age <= 40) {
+      return 125;
+    } else if (age <= 60) {
+      return 145;
+    } else {
+      return 145;
+    }
+  }
+}

@@ -1,3 +1,4 @@
+import 'package:blood_pressure_app/model/blood_pressure.dart';
 import 'package:flutter/material.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
@@ -129,6 +130,9 @@ class Settings extends ChangeNotifier {
 
   // high blood pressure marking according to https://www.texasheart.org/heart-health/heart-information-center/topics/high-blood-pressure-hypertension/
   double get sysWarn {
+    if (!overrideWarnValues) {
+      return BloodPressureWarnValues.getUpperSysWarnValue(age).toDouble();
+    }
     return _prefs.getInt('sysWarn')?.toDouble() ?? 130;
   }
   set sysWarn(double newWarn) {
@@ -137,6 +141,9 @@ class Settings extends ChangeNotifier {
   }
 
   double get diaWarn {
+    if (!overrideWarnValues) {
+      return BloodPressureWarnValues.getUpperDiaWarnValue(age).toDouble();
+    }
     return _prefs.getInt('diaWarn')?.toDouble() ?? 80;
   }
   set diaWarn(double newWarn) {