Evaluating variables in answerExpressions #2066
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FikriMilano
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Jul 11, 2023
datacapture/src/main/java/com/google/android/fhir/datacapture/QuestionnaireViewModel.kt
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@MJ1998 this looks good to me, it will be nice to also merge this to master. We can perhaps have this enhancement in future PRs?
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@jingtang10 kindly review |
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jingtang10
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* Add X-FHIR-Query support for variable extension * Add unit tests * Fix dynamic answerExpression based on #2066 * Address review - Use viewModelScope for calculated-expression - Move the runBlocking to QuestionnaireItemViewItem for cqf-expression - Rename questionnaireVariablesMap to questionnaireVariableMap * Makes sure initial value got emitted to the questionnaireStateFlow Notifies the flow which will update the data stream when updateDependentQuestionnaireResponseItems finished running * Notify to not delay the update of UI - updateDependentQuestionnaireResponseItems can evaluate X-FHIR-Query expression which can delay the update of UI for 1-2 seconds depending on the retrieved resource size. - In the case of clicking next page after selecting an answer that shows the next pages based on skip logic (tapping this and that very quickly). We notify the UI pages immediately, then once the X-FHIR-Query expression is processed (1-2 seconds), we notify the UI again. Without this changes, when the user taps next page, the next pages that is supposed to be shown by skip logic will be shown late enough that the user don't see it, but if the user taps previous page button, user will see the shown pages decided by skip logic. And that looks like a bug. * WIP * Adjust code after major merge conflict * spotlessApply * Fix test * Fix test * Integrate suspend functions Related to enable when expressions. * spotlessApply * Add missing xFhirQueryResolver param * Address review * Address review and refactor to use suspend function * Run suspend for Barcode * Address review * Remove hasMissingParamValue Better alternative is to limit the received resource by using the _count common parameter. Example: Patient?name=&_count=2 * Fix test * Update QuestionnaireViewItemTest * Use runTest in QuestionnaireUiEspressoTest * Add missing import to access child of ChipGroup * spotlessApply * Fix test * Add missing coroutine launch * spotlessApply
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IMPORTANT: All PRs must be linked to an issue (except for extremely trivial and straightforward changes).
Fixes #2052
Description
There are 2 errors:
Solution here is to
xFhirExpressionStringhas been constructedAlternative(s) considered
Removing caching of answer options but that makes it slow.
Type
Bug fix | Feature
Screenshots (if applicable)
[Used questionnaire json given in the issue linked]
Checklist
./gradlew spotlessApplyand./gradlew spotlessCheckto check my code follows the style guide of this project../gradlew checkand./gradlew connectedCheckto test my changes locally.