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Refactor evaluation of cqf-calculatedValue in QuestionnaireViewModel
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| { | ||
| "resourceType": "Questionnaire", | ||
| "item": [ | ||
| { | ||
| "linkId": "1", | ||
| "text": "Enter a date", | ||
| "type": "date", | ||
| "extension": [ | ||
| { | ||
| "url": "http://hl7.org/fhir/StructureDefinition/entryFormat", | ||
| "valueString": "yyyy-mm-dd" | ||
| }, | ||
| { | ||
| "url": "http://hl7.org/fhir/StructureDefinition/minValue", | ||
| "valueDate": "2023-12-14", | ||
| "_valueDate": { | ||
| "extension": [ | ||
| { | ||
| "url": "http://hl7.org/fhir/StructureDefinition/cqf-calculatedValue", | ||
| "valueExpression": { | ||
| "language": "text/fhirpath", | ||
| "expression": "today() - 7days" | ||
| } | ||
| } | ||
| ] | ||
| } | ||
| } | ||
| ], | ||
| "item": [ | ||
| { | ||
| "extension": [ | ||
| { | ||
| "url": "http://hl7.org/fhir/StructureDefinition/questionnaire-displayCategory", | ||
| "valueCodeableConcept": { | ||
| "coding": [ | ||
| { | ||
| "system": "http://hl7.org/fhir/questionnaire-display-category", | ||
| "code": "instructions" | ||
| } | ||
| ] | ||
| } | ||
| } | ||
| ], | ||
| "linkId": "1-most-recent", | ||
| "text": "Use keyboard entry or date picker", | ||
| "type": "display" | ||
| } | ||
| ] | ||
| } | ||
| ] | ||
| } |
66 changes: 66 additions & 0 deletions
66
datacapture/src/androidTest/java/com/google/android/fhir/datacapture/JustTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| /* | ||
| * Copyright 2023 Google LLC | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package com.google.android.fhir.datacapture | ||
|
|
||
| import ca.uhn.fhir.context.FhirContext | ||
| import ca.uhn.fhir.context.FhirVersionEnum | ||
| import com.google.android.fhir.datacapture.fhirpath.fhirPathEngine | ||
| import org.hl7.fhir.r4.model.Expression | ||
| import org.hl7.fhir.r4.model.Questionnaire | ||
| import org.hl7.fhir.r4.model.Type | ||
| import org.junit.Test | ||
|
|
||
| class JustTest { | ||
|
|
||
| @Test | ||
| fun just_testing() { | ||
| val jsonString = readFileFromAssets("/test_date_cql-calculatedvalue.json") | ||
| val parser = FhirContext.forCached(FhirVersionEnum.R4).newJsonParser() | ||
| val questionnaire = parser.parseResource(jsonString) as Questionnaire | ||
| val minValExtension = | ||
| questionnaire.item.first().extension.first { | ||
| it.url == "http://hl7.org/fhir/StructureDefinition/minValue" | ||
| } | ||
| println(minValExtension.value) | ||
| println( | ||
| minValExtension.value.hasExtension( | ||
| "http://hl7.org/fhir/StructureDefinition/cqf-calculatedValue", | ||
| ), | ||
| ) | ||
|
|
||
| val expression = | ||
| minValExtension.value | ||
| .getExtensionByUrl("http://hl7.org/fhir/StructureDefinition/cqf-calculatedValue") | ||
| .value as Expression | ||
| val evaluatedValue = | ||
| fhirPathEngine.evaluate(minValExtension.value, expression.expression).singleOrNull()?.let { | ||
| it as Type | ||
| } | ||
| evaluatedValue?.apply { extension = minValExtension.value.extension } | ||
| minValExtension.setValue(evaluatedValue) | ||
|
|
||
| println(minValExtension.value) | ||
| println( | ||
| minValExtension.value.hasExtension( | ||
| "http://hl7.org/fhir/StructureDefinition/cqf-calculatedValue", | ||
| ), | ||
| ) | ||
| } | ||
|
|
||
| private fun readFileFromAssets(filename: String) = | ||
| javaClass.getResourceAsStream(filename)!!.bufferedReader().use { it.readText() } | ||
| } |
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