private void Generator()
{
if (_Weight != 0)
{
int User_age = DateTime.Now.Year - ((Users)BindingContext).birthdate.Year;
Double length = ((Users)BindingContext).length;
//Double mass = Convert.ToDouble(WeightEntry.Text);
BMIs BMI = new BMIs();
BMI.time = DateTime.UtcNow;
BMI.UserID = ((Users)BindingContext).ID;
BMI.BMI = _Weight / ((length / 100) * (length / 100));
BMI.weight = _Weight;
if (((Users)BindingContext).Gender == 1) // Gender = 1 means User Gender is Man
{
BMI.BMR = (_Weight * 13.7) - (length * 5) + (User_age * 8.6) + 66;
}
else
{
BMI.BMR = (_Weight * 9.7) - (length * 1.7) + (User_age * 4.7) + 655;
}
//Res.Text += (" BMR =" + BMR);
App.Database.AddBMI(BMI);
_BMI = BMI;
ShowBMIResult();
}
}
public string AddBMI(BMIs BMI)
{
try
{
_database.Insert(BMI);
return("Sucessfully Added");
}
catch (Exception e)
{
return($"Error :{e.Message}");
}
}
private Double GetCalorieBMR()
{
List <BMIs> _BMIs = App.Database.GetBMI(App.UserID);
if (_BMIs.Count > 0)
{
BMIs _BMI = _BMIs[_BMIs.Count - 1];
return(_BMI.BMR * _BetaMultiplier);
}
else
{
return(0);// dont have BMR
}
}
//private int User_age=0;
//private Double length=0;
//private Double mass =0;
//public float BMI;
//public float BMR;
//public static readonly BindableProperty UserProperty = BindableProperty.Create<Users, user>(p => p.user, new Users());
//public Users user
//{
// get => (Users)GetValue(UserProperty);
// set => SetValue(UserProperty, value);
//}
//Users user;
//public int age
//{
// //get { return (int)GetValue(length); }
//}
public BMIPage()
{
InitializeComponent();
_BMIs = App.Database.GetBMI(App.UserID);
if (_BMIs.Count > 0)
{
_BMI = _BMIs[_BMIs.Count - 1];
ShowBMIResult();
}
else
{
ShowBMINoResult();
}
}
public void SetBMIClass(DataTable bmiData)
{
//get the last bmi observation
if (BMIs.Count() > 0 && (Sex.ToLower() == "male" || Sex.ToLower() == "female"))
{
//determine the age at the last observation
var lastObs = BMIs.Last();
double ageInMonths = (lastObs.Date.Subtract(Date_Of_Birth).TotalDays / 365.25) * 12;
//if over 20 use standard bmi
if (ageInMonths > 20 * 12)
{
if (lastObs.Measurement < (decimal)18.5)
{
BMIClass = BMIClassification.Underweight;
}
else if (lastObs.Measurement < (decimal)25.0)
{
BMIClass = BMIClassification.Normal;
}
else if (lastObs.Measurement < (decimal)25.0)
{
BMIClass = BMIClassification.Overweight;
}
else
{
BMIClass = BMIClassification.Obese;
}
}
else if (ageInMonths > 24)
{
//otherwise use the childhood chart
//round the age in months to the nearest .5
ageInMonths = Math.Round(ageInMonths) + .5;
//select the data rows that are relevant
var results = from myRow in bmiData.AsEnumerable()
where myRow.Field <string>("age_in_months") == ageInMonths.ToString() && Sex.ToLower() == myRow.Field <string>("gender")
select myRow;
//if
var underweight = from row in results
where row.Field <string>("bmi_percentile") == "0.5"
select row;
var normal = from row in results
where row.Field <string>("bmi_percentile") == "0.85"
select row;
var overweight = from row in results
where row.Field <string>("bmi_percentile") == "0.95"
select row;
if (lastObs.Measurement < Decimal.Parse(underweight.First().Field <string>("bmi")))
{
BMIClass = BMIClassification.Underweight;
}
else if (lastObs.Measurement < Decimal.Parse(normal.First().Field <string>("bmi")))
{
BMIClass = BMIClassification.Normal;
}
else if (lastObs.Measurement < Decimal.Parse(overweight.First().Field <string>("bmi")))
{
BMIClass = BMIClassification.Overweight;
}
else
{
BMIClass = BMIClassification.Obese;
}
}
else
{
BMIClass = BMIClassification.Normal;
}
}
else
{
//if there are no observations just set it to normal
BMIClass = BMIClassification.Normal;
}
}
public Patient(HL7.Patient patient)
{
Random rand = new Random();
ID = patient.Id;
FirstName = patient.Name.ElementAt(0).Given.ElementAt(0);
LastName = patient.Name.ElementAt(0).Family.ElementAt(0);
MiddleName = "";
Sex = patient.GenderElement.Value.ToString();
Ethnicity = ethnicities[rand.Next(0, ethnicities.Length)];
Insurance_Type = "Unknown";
Date_Of_Birth = Convert.ToDateTime(patient.BirthDate);
Add_Address(patient.Address.ElementAt(0).Line.ElementAt(0), patient.Address.ElementAt(0).City, patient.Address.ElementAt(0).State, patient.Address.ElementAt(0).PostalCode, patient.Address.ElementAt(0).District);
//if there isn't a saved practitioner generate and add it to the list, otherwise uses the provided one
if (patient.CareProvider.Count == 0)
{
PractitionerIDs.Add(rand.Next(1, 5));
}
else
{
foreach (var practitionerRef in patient.CareProvider)
{
PractitionerIDs.Add(Int32.Parse(practitionerRef.Reference.Replace("Practitioner/", "")));
}
}
//default hypertension
Has_HyperTension = false;
HypertensionClass = HypertensionClassification.Normal;
//default bmi
BMIClass = BMIClassification.Normal;
foreach (Data_Holder dh in Patient_Data.PatientInfo(ID))
{
switch (dh.Type)
{
case "BMI":
BMIs.Add(new BMI(dh.Date, dh.Measurement));
break;
case "WEIGHT":
Weights.Add(new Weight(dh.Date, dh.Measurement));
break;
case "HEIGHT":
Heights.Add(new Height(dh.Date, dh.Measurement));
break;
case "HEMOGLOBIN":
Hemoglobins.Add(new Hemoglobin(dh.Date, dh.Measurement));
HemoglobinClass = (dh.Measurement < (decimal)0.057) ? HemoglobinClassification.Normal : HemoglobinClassification.High;
break;
case "HYPERTENSION":
Has_HyperTension = true;
HypertensionClass = HypertensionClassification.Diagnosed;
break;
}
}
}
