org.openmrs.mobile.utilities.ObservationDeserializer.java Source code

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Here is the source code for org.openmrs.mobile.utilities.ObservationDeserializer.java

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/*
 * The contents of this file are subject to the OpenMRS Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://license.openmrs.org
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 *
 * Copyright (C) OpenMRS, LLC.  All Rights Reserved.
 */

package org.openmrs.mobile.utilities;

import com.google.gson.JsonArray;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonNull;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;

import org.openmrs.mobile.models.Concept;
import org.openmrs.mobile.models.Encounter;
import org.openmrs.mobile.models.Observation;
import org.openmrs.mobile.models.Person;
import org.openmrs.mobile.models.User;
import org.openmrs.mobile.models.Visit;

import java.lang.reflect.Type;

public class ObservationDeserializer implements JsonDeserializer<Observation> {

    private static final String UUID_KEY = "uuid";
    private static final String DISPLAY_KEY = "display";
    private static final String VALUE_KEY = "value";
    private static final String COMMENT_KEY = "comment";
    private static final String DATE_KEY = "obsDatetime";
    private static final String NAME_KEY = "name";

    @Override
    public Observation deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
            throws JsonParseException {

        JsonObject jsonObject = json.getAsJsonObject();

        Observation observation = new Observation();
        observation.setUuid(jsonObject.get(UUID_KEY).getAsString());
        if (jsonObject.get(DISPLAY_KEY) != JsonNull.INSTANCE && jsonObject.get(DISPLAY_KEY) != null) {
            observation.setDisplay(jsonObject.get(DISPLAY_KEY).getAsString());
        }

        if (jsonObject.get(COMMENT_KEY) != JsonNull.INSTANCE && jsonObject.get(COMMENT_KEY) != null) {
            observation.setComment(jsonObject.get(COMMENT_KEY).getAsString());
        }

        if (jsonObject.get(DATE_KEY) != JsonNull.INSTANCE && jsonObject.get(DATE_KEY) != null) {
            observation.setObsDatetime(jsonObject.get(DATE_KEY).getAsString());
        }

        JsonElement encounterJson = jsonObject.get("encounter");
        if (null != encounterJson && !encounterJson.isJsonNull()) {
            Encounter encounter = new Encounter();
            encounter.setUuid(encounterJson.getAsJsonObject().get(UUID_KEY).getAsString());

            Visit visit = new Visit();
            JsonElement visitElement = encounterJson.getAsJsonObject().get("visit");
            if (null != visitElement && !visitElement.isJsonNull()) {
                visit.setUuid(visitElement.getAsJsonObject().get(UUID_KEY).getAsString());
            }

            encounter.setVisit(visit);
            observation.setEncounter(encounter);
        }

        JsonElement conceptJson = jsonObject.get("concept");

        if (conceptJson != null
                && "Visit Diagnoses".equals(conceptJson.getAsJsonObject().get(DISPLAY_KEY).getAsString())) {
            JsonArray diagnosisDetailJSONArray = jsonObject.get("groupMembers").getAsJsonArray();
            for (int i = 0; i < diagnosisDetailJSONArray.size(); i++) {

                JsonObject diagnosisDetails = diagnosisDetailJSONArray.get(i).getAsJsonObject();
                String diagnosisDetail = diagnosisDetails.get("concept").getAsJsonObject().get(DISPLAY_KEY)
                        .getAsString();

                if ("Diagnosis order".equals(diagnosisDetail)) {
                    observation.setDiagnosisOrder(diagnosisDetails.getAsJsonObject().get(VALUE_KEY)
                            .getAsJsonObject().get(DISPLAY_KEY).getAsString());
                } else if ("Diagnosis certainty".equals(diagnosisDetail)) {
                    observation.setDiagnosisCertanity(diagnosisDetails.getAsJsonObject().get(VALUE_KEY)
                            .getAsJsonObject().get(DISPLAY_KEY).getAsString());
                } else {
                    try {
                        observation.setDiagnosisList(diagnosisDetails.getAsJsonObject().get(VALUE_KEY)
                                .getAsJsonObject().get(DISPLAY_KEY).getAsString());
                        observation.setValueCodedName(diagnosisDetails.getAsJsonObject().get(VALUE_KEY)
                                .getAsJsonObject().get(UUID_KEY).getAsString());
                    } catch (IllegalStateException e) {
                        observation
                                .setDiagnosisList(diagnosisDetails.getAsJsonObject().get(VALUE_KEY).getAsString());
                    }
                }
            }
        } else if (conceptJson != null
                && "Text of encounter note".equals(conceptJson.getAsJsonObject().get(DISPLAY_KEY).getAsString())) {
            JsonElement encounterNote = jsonObject.getAsJsonObject().get(VALUE_KEY);
            observation.setDiagnosisNote(!encounterNote.isJsonNull() ? encounterNote.getAsString() : "");
        }
        if (conceptJson != null) {
            Concept concept = new Concept();
            concept.setUuid(conceptJson.getAsJsonObject().get(UUID_KEY).getAsString());
            observation.setConcept(concept);
        }

        JsonElement personJson = jsonObject.get("person");
        if (personJson != null) {
            Person person = new Person();
            person.setUuid(personJson.getAsJsonObject().get(UUID_KEY).getAsString());
            person.setDisplay(personJson.getAsJsonObject().get(DISPLAY_KEY).getAsString());
            observation.setPerson(person);
        }

        JsonElement creatorJson = jsonObject.get("creator");
        if (creatorJson != null) {
            User user = new User();
            user.setUuid(creatorJson.getAsJsonObject().get(UUID_KEY).getAsString());
            user.setDisplay(creatorJson.getAsJsonObject().get(DISPLAY_KEY).getAsString());

            JsonElement creatorPersonJson = creatorJson.getAsJsonObject().get("person");
            if (creatorPersonJson != null) {
                Person person = new Person();
                person.setUuid(creatorPersonJson.getAsJsonObject().get(UUID_KEY).getAsString());
                person.setDisplay(creatorPersonJson.getAsJsonObject().get(DISPLAY_KEY).getAsString());
                user.setPerson(person);
            }

            observation.setCreator(user);
        }

        JsonElement dateCreatedJson = jsonObject.get("dateCreated");
        if (dateCreatedJson != null) {
            observation.setDateCreated(DateUtils.convertTimeString(dateCreatedJson.getAsString()).toDate());
        }

        JsonElement voidedJson = jsonObject.get("voided");
        if (voidedJson != null) {
            observation.setVoided(Boolean.getBoolean(voidedJson.getAsString()));
        }

        return observation;
    }

}