Integration20251001

[sh1l0n]

Note

Migrates to fhir_r4/fhir_r4_path with async FHIRPath evaluation, refactors types/APIs (valueX, enums, DateTime), updates UI/controllers/utils, and adjusts example and dependencies.

• Core library (FHIR R4 migration)
  • Replace fhir/fhir_path with fhir_r4/fhir_r4_path; update imports across library and example.
  • Refactor models to new types/APIs: use valueX, *.valueString/valueInt/valueBoolean, QuestionnaireItemTypeEnum, and FhirDateTime.fromDateTime.
  • Remove internal questionnaire_response_status enum; use FHIR R4 enum directly.
• Calculated expressions (FHIRPath) & response generation
  • Make FHIRPath evaluation and response generation async; pass resource objects instead of JSON; compute root variables and resolve calculated items asynchronously.
• UI/controllers
  • Update enableWhen logic to new value accessors; adjust choice/open-choice handling; quantity unit/comparator and attachment icon checks updated; add reusable title rendering; QuestionnaireView.onSubmit now async.
• Utils
  • Localization via Intl.defaultLocale; update date/time, coding/title helpers, and annotation author field (authorX).
• Example app
  • Switch to fhir_r4, adapt attachment utils and questionnaire samples; minor UI tweaks.
• Dependencies
  • Update pubspec.yaml to fhir_r4/fhir_r4_path and newer versions of related packages; lockfiles refreshed.

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[cursor]

Bug: Bug

The fhir_r4 migration changed Questionnaire.title and QuestionnaireItem.linkId to objects, requiring .valueString for their string content. The code inconsistently accesses these, sometimes using .valueString and other times relying on implicit toString() or direct isNotEmpty checks. Also, groupId is a nullable String? but isNotEmpty is called directly, which may cause a null pointer exception.

Additional Locations (1)

• lib/src/presentation/widgets/questionnaire_view.dart#L199-L200