Added questionnaire-unitOption extension support to numeric answers

tiloc · May 26, 2023 · 8711dbb · 8711dbb
1 parent 347bf1a
commit 8711dbb
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## 0.9.0-dev.1
 ### Faiadashu
 * Added displaying units in numeric answer input
+* Added questionnaire-unitOption extension support to make ability choose quantity units in numeric answers
 
 ## 0.9.0-alpha.1
 **[Breaking]** This alpha release is beginning to use Flutter 3.10.0 and fhir 0.11.0. 

diff --git a/example/pubspec.lock b/example/pubspec.lock
@@ -55,7 +55,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.8.0"
+    version: "0.9.0-dev.1"
   ffi:
     dependency: transitive
     description:

diff --git a/lib/questionnaires/model/item/answer/src/numerical_answer_model.dart b/lib/questionnaires/model/item/answer/src/numerical_answer_model.dart
@@ -158,6 +158,18 @@ class NumericalAnswerModel extends AnswerModel<String, Quantity> {
         },
         context: qi.linkId,
       );
+    } else {
+      final unitOptionUri = FhirUri(
+        'http://hl7.org/fhir/StructureDefinition/questionnaire-unitOption',
+      );
+      qi.extension_
+          ?.where((e) => e.url == unitOptionUri)
+          .map((e) => e.valueCoding)
+          .forEach((coding) {
+        if (coding != null) {
+          _units[keyForUnitChoice(coding)] = coding;
+        }
+      });
     }
   }