AndroidAPS/app/src/main/java/info/nightscout/utils/BolusWizard.java
2018-04-01 11:09:58 +02:00

136 lines
5.3 KiB
Java

package info.nightscout.utils;
import info.nightscout.androidaps.data.GlucoseStatus;
import info.nightscout.androidaps.data.IobTotal;
import info.nightscout.androidaps.data.Profile;
import info.nightscout.androidaps.db.TempTarget;
import info.nightscout.androidaps.interfaces.TreatmentsInterface;
import info.nightscout.androidaps.plugins.ConfigBuilder.ConfigBuilderPlugin;
import info.nightscout.androidaps.plugins.Treatments.TreatmentsPlugin;
/**
* Created by mike on 11.10.2016.
*/
public class BolusWizard {
// Inputs
private Profile specificProfile = null;
private TempTarget tempTarget;
public Integer carbs = 0;
private Double bg = 0d;
private Double correction;
private Boolean includeBolusIOB = true;
private Boolean includeBasalIOB = true;
public Boolean superBolus = false;
private Boolean trend = false;
// Intermediate
public Double sens = 0d;
public Double ic = 0d;
public GlucoseStatus glucoseStatus;
public Double targetBGLow = 0d;
public Double targetBGHigh = 0d;
public Double bgDiff = 0d;
public Double insulinFromBG = 0d;
public Double insulinFromCarbs = 0d;
public Double insulingFromBolusIOB = 0d;
public Double insulingFromBasalsIOB = 0d;
public Double insulinFromCorrection = 0d;
public Double insulinFromSuperBolus = 0d;
public Double insulinFromCOB = 0d;
public Double insulinFromTrend = 0d;
// Result
public Double calculatedTotalInsulin = 0d;
public Double totalBeforePercentageAdjustment = 0d;
public Double carbsEquivalent = 0d;
public Double doCalc(Profile specificProfile, TempTarget tempTarget, Integer carbs, Double cob, Double bg, Double correction, Boolean includeBolusIOB, Boolean includeBasalIOB, Boolean superBolus, Boolean trend) {
return doCalc(specificProfile, tempTarget, carbs, cob, bg, correction, 100d, includeBolusIOB, includeBasalIOB, superBolus, trend);
}
public Double doCalc(Profile specificProfile, TempTarget tempTarget, Integer carbs, Double cob, Double bg, Double correction, double percentageCorrection, Boolean includeBolusIOB, Boolean includeBasalIOB, Boolean superBolus, Boolean trend) {
this.specificProfile = specificProfile;
this.tempTarget = tempTarget;
this.carbs = carbs;
this.bg = bg;
this.correction = correction;
this.includeBolusIOB = includeBolusIOB;
this.includeBasalIOB = includeBasalIOB;
this.superBolus = superBolus;
this.trend = trend;
// Insulin from BG
sens = specificProfile.getIsf();
targetBGLow = specificProfile.getTargetLow();
targetBGHigh = specificProfile.getTargetHigh();
if (tempTarget != null) {
targetBGLow = Profile.fromMgdlToUnits(tempTarget.low, specificProfile.getUnits());
targetBGHigh = Profile.fromMgdlToUnits(tempTarget.high, specificProfile.getUnits());
}
if (bg >= targetBGLow && bg <= targetBGHigh) {
bgDiff = 0d;
} else if (bg <= targetBGLow) {
bgDiff = bg - targetBGLow;
} else {
bgDiff = bg - targetBGHigh;
}
insulinFromBG = bg != 0d ? bgDiff / sens : 0d;
// Insulin from 15 min trend
glucoseStatus = GlucoseStatus.getGlucoseStatusData();
if (glucoseStatus != null && trend) {
insulinFromTrend = (Profile.fromMgdlToUnits(glucoseStatus.short_avgdelta, specificProfile.getUnits()) * 3) / sens;
}
// Insuling from carbs
ic = specificProfile.getIc();
insulinFromCarbs = carbs / ic;
insulinFromCOB = cob / ic;
// Insulin from IOB
// IOB calculation
TreatmentsInterface treatments = TreatmentsPlugin.getPlugin();
treatments.updateTotalIOBTreatments();
IobTotal bolusIob = treatments.getLastCalculationTreatments().round();
treatments.updateTotalIOBTempBasals();
IobTotal basalIob = treatments.getLastCalculationTempBasals().round();
insulingFromBolusIOB = includeBolusIOB ? -bolusIob.iob : 0d;
insulingFromBasalsIOB = includeBasalIOB ? -basalIob.basaliob : 0d;
// Insulin from correction
insulinFromCorrection = correction;
// Insulin from superbolus for 2h. Get basal rate now and after 1h
if (superBolus) {
insulinFromSuperBolus = specificProfile.getBasal();
long timeAfter1h = System.currentTimeMillis();
timeAfter1h += 60L * 60 * 1000;
insulinFromSuperBolus += specificProfile.getBasal(timeAfter1h);
}
// Total
calculatedTotalInsulin = insulinFromBG + insulinFromTrend + insulinFromCarbs + insulingFromBolusIOB + insulingFromBasalsIOB + insulinFromCorrection + insulinFromSuperBolus + insulinFromCOB;
// Percentage adjustment
totalBeforePercentageAdjustment = calculatedTotalInsulin;
if (calculatedTotalInsulin > 0) {
calculatedTotalInsulin = calculatedTotalInsulin * percentageCorrection / 100d;
}
if (calculatedTotalInsulin < 0) {
carbsEquivalent = -calculatedTotalInsulin * ic;
calculatedTotalInsulin = 0d;
}
double bolusStep = ConfigBuilderPlugin.getActivePump().getPumpDescription().bolusStep;
calculatedTotalInsulin = Round.roundTo(calculatedTotalInsulin, bolusStep);
return calculatedTotalInsulin;
}
}