@Override
public EvaluatedPersonData evaluate(PersonDataDefinition definition, EvaluationContext context)
throws EvaluationException {
FirstEncounterAtFacilityDataDefinition def =
(FirstEncounterAtFacilityDataDefinition) definition;
EvaluatedPersonData c = new EvaluatedPersonData(def, context);
if (context.getBaseCohort() == null || context.getBaseCohort().isEmpty()) {
return c;
}
// find the facility number
MOHFacility facility = (MOHFacility) context.getParameterValue("facility");
// fail quickly if the facility does not exist
if (facility == null) {
log.warn("No facility provided; returning empty data.");
return c;
}
// use HQL to do our bidding
String hql =
"from Encounter"
+ " where voided=false"
+ " and patientId in (:patientIds)"
+ " and location in (:locationList)"
+ " and encounterDatetime <= :onOrBefore"
+ " order by encounterDatetime asc";
Map<String, Object> m = new HashMap<String, Object>();
m.put("patientIds", context.getBaseCohort());
m.put("locationList", facility.getLocations());
m.put("onOrBefore", context.getEvaluationDate());
DataSetQueryService qs = Context.getService(DataSetQueryService.class);
List<Object> queryResult = qs.executeHqlQuery(hql, m);
ListMap<Integer, Encounter> encForPatients = new ListMap<Integer, Encounter>();
for (Object o : queryResult) {
Encounter enc = (Encounter) o;
encForPatients.putInList(enc.getPatientId(), enc);
}
for (Integer pId : encForPatients.keySet()) {
List<Encounter> l = encForPatients.get(pId);
c.addData(pId, l.get(0));
}
return c;
}
public PatientDataResult calculateResult(
List<PatientDataResult> results, EvaluationContext context) {
PatientAttributeResult alert = new PatientAttributeResult(null, null);
ProgramWorkflowState state = (ProgramWorkflowState) context.getParameterValue("state");
StringBuffer alerts = new StringBuffer();
double height = 0;
double weight = 0;
for (PatientDataResult result : results) {
if (result.getName().equals("CD4Test")) {
AllObservationValuesResult cd4 = (AllObservationValuesResult) result;
if (cd4.getValue() != null) {
int decline = calculateDecline(cd4.getValue());
if (decline > 50
&& (state.toString().contains("GROUP") || state.toString().contains("FOLLOWING"))) {
alerts.append("CD4 decline(");
alerts.append(decline);
alerts.append(").\n");
}
Obs lastCd4 = null;
if (cd4.getValue().size() > 0) {
lastCd4 = cd4.getValue().get(cd4.getValue().size() - 1);
}
if (lastCd4 == null) {
alerts.append("No CD4 recorded.\n");
} else {
Date dateCd4 = lastCd4.getObsDatetime();
Date date = Calendar.getInstance().getTime();
int diff = calculateMonthsDifference(date, dateCd4);
if (diff > 12) {
alerts.append("Very late CD4(" + diff + " months ago).\n");
} else if ((diff > 6) && state.toString().contains("FOLLOWING")) {
alerts.append("Late CD4(" + diff + " months ago).\n");
}
if (state.toString().contains("FOLLOWING")
&& lastCd4.getValueNumeric() != null
&& lastCd4.getValueNumeric() < 500) {
alerts.append("Eligible for Treatment.\n");
}
}
}
}
if (result.getName().equals("viralLoadTest")) {
AllObservationValuesResult viraload = (AllObservationValuesResult) result;
if (viraload.getValue() != null) {
Obs lastviraload = null;
if (viraload.getValue().size() > 0) {
lastviraload = viraload.getValue().get(viraload.getValue().size() - 1);
}
if (state.toString().contains("GROUP") && (lastviraload == null)) {
alerts.append("No VL recorded.\n");
} else {
try {
Date dateVl = lastviraload.getObsDatetime();
Date date = Calendar.getInstance().getTime();
int diff = calculateMonthsDifference(date, dateVl);
if (state.toString().contains("GROUP")) {
if (diff > 12) {
alerts.append("Late VL(" + diff + " months ago).\n");
}
if (lastviraload.getValueNumeric() != null
&& lastviraload.getValueNumeric() > 1000) {
alerts.append("VL Failure " + lastviraload.getValueNumeric() + ".\n");
}
}
} catch (Exception e) {
}
}
}
}
if (result.getName().equals("weightObs")) {
AllObservationValuesResult wt = (AllObservationValuesResult) result;
if (wt.getValue() != null) {
int decline = calculatePercentageDecline(wt.getValue());
if (decline > 5) {
alerts.append("WT decline(");
alerts.append(decline);
alerts.append("%, ");
int kilosLost = calculateDecline(wt.getValue());
alerts.append(kilosLost);
alerts.append("kg)\n");
}
if (wt.getValue().size() > 0) {
weight = wt.getValue().get(wt.getValue().size() - 1).getValueNumeric();
}
}
if (wt.getValue() == null || wt.getValue().size() == 0) {
alerts.append("No weight recorded.\n");
}
}
if (result.getName().equals("RecentHeight")) {
ObservationResult heightOb = (ObservationResult) result;
if (heightOb.getValue() == null || heightOb.getValue().trim().length() == 0) {
alerts.append("No height recorded.\n");
} else {
height = Double.parseDouble(heightOb.getValue());
}
}
if (result.getName().equals("lastEncInMonth")) {
DateValueResult encinmonths = (DateValueResult) result;
if (encinmonths.getValue() != null) {
Date dateVl = encinmonths.getDateOfObservation();
Date date = Calendar.getInstance().getTime();
int diff = calculateMonthsDifference(date, dateVl);
if (diff > 12) {
alerts.append("LTFU determine status.\n");
}
}
}
if (result.getName().equals("IO") && result.getValue() != null) {
alerts.append("OI reported last visit: " + result.getValue() + "\n");
}
if (result.getName().equals("SideEffects") && result.getValue() != null) {
alerts.append("Side effects reported last visit: " + result.getValue() + "\n");
}
}
if (height > 0 && weight > 0) {
double bmi = weight / (height / 100 * height / 100);
int decimalPlace = 1;
BigDecimal bd = new BigDecimal(Double.toString(bmi));
bd = bd.setScale(decimalPlace, BigDecimal.ROUND_HALF_UP);
if (bmi < 16) {
alerts.append("Very low BMI (" + bd.doubleValue() + ").\n");
} else if (bmi < 18.5) {
alerts.append("Low BMI (" + bd.doubleValue() + ").\n");
}
}
alert.setValue(alerts.toString().trim());
return alert;
}