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Add config Composition section to support custom search parameters
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.../java/org/smartregister/fhircore/engine/configuration/app/CustomSearchParameterService.kt
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| /* | ||
| * Copyright 2021-2024 Ona Systems, Inc | ||
| * | ||
| * 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 org.smartregister.fhircore.engine.configuration.app | ||
|
|
||
| import ca.uhn.fhir.parser.IParser | ||
| import java.io.File | ||
| import java.io.FileInputStream | ||
| import java.io.FileOutputStream | ||
| import kotlinx.coroutines.withContext | ||
| import org.hl7.fhir.r4.model.Bundle | ||
| import org.hl7.fhir.r4.model.Composition | ||
| import org.hl7.fhir.r4.model.Enumerations | ||
| import org.hl7.fhir.r4.model.Reference | ||
| import org.hl7.fhir.r4.model.ResourceType | ||
| import org.hl7.fhir.r4.model.SearchParameter | ||
| import org.smartregister.fhircore.engine.util.DispatcherProvider | ||
| import org.smartregister.fhircore.engine.util.extension.extractType | ||
|
|
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| class CustomSearchParameterService( | ||
| private val storageDir: File, | ||
| private val iParser: IParser, | ||
| private val dispatcherProvider: DispatcherProvider, | ||
| ) { | ||
|
|
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| fun getCustomSearchParameters(): List<SearchParameter> { | ||
| return predefinedCustomSearchParameters + readSavedSearchParameters() | ||
| } | ||
|
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| private fun readSavedSearchParameters(): List<SearchParameter> { | ||
| val file = File(storageDir, CUSTOM_SEARCH_PARAMETER_FILE_NAME) | ||
| if (!file.exists()) { | ||
| return emptyList() | ||
| } | ||
|
|
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| val searchParametersBundle = | ||
| FileInputStream(file).bufferedReader().use { iParser.parseResource(Bundle::class.java, it) } | ||
| return searchParametersBundle.entry | ||
| .filter { it.resource.resourceType == ResourceType.SearchParameter } | ||
| .mapNotNull { it.resource as? SearchParameter } | ||
| } | ||
|
|
||
| suspend fun saveBundle(bundle: Bundle) { | ||
| val file = File(storageDir, CUSTOM_SEARCH_PARAMETER_FILE_NAME) | ||
| withContext(dispatcherProvider.io()) { | ||
| FileOutputStream(file).use { it.write(iParser.encodeResourceToString(bundle).toByteArray()) } | ||
| } | ||
| } | ||
|
|
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| /** List of predefined custom search parameters. */ | ||
| private val predefinedCustomSearchParameters: List<SearchParameter> | ||
| get() { | ||
| val activeGroupSearchParameter = | ||
| SearchParameter().apply { | ||
| url = "http://smartregister.org/SearchParameter/group-active" | ||
| addBase("Group") | ||
| name = ACTIVE_SEARCH_PARAM | ||
| code = ACTIVE_SEARCH_PARAM | ||
| type = Enumerations.SearchParamType.TOKEN | ||
| expression = "Group.active" | ||
| description = "Search the active field" | ||
| } | ||
|
|
||
| val flagStatusSearchParameter = | ||
| SearchParameter().apply { | ||
| url = "http://smartregister.org/SearchParameter/flag-status" | ||
| addBase("Flag") | ||
| name = STATUS_SEARCH_PARAM | ||
| code = STATUS_SEARCH_PARAM | ||
| type = Enumerations.SearchParamType.TOKEN | ||
| expression = "Flag.status" | ||
| description = "Search the status field" | ||
| } | ||
|
|
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| val medicationSortSearchParameter = | ||
| SearchParameter().apply { | ||
| url = MEDICATION_SORT_URL | ||
| addBase("Medication") | ||
| name = SORT_SEARCH_PARAM | ||
| code = SORT_SEARCH_PARAM | ||
| type = Enumerations.SearchParamType.NUMBER | ||
| expression = "Medication.extension.where(url = '$MEDICATION_SORT_URL').value" | ||
| description = "Search the sort field" | ||
| } | ||
|
|
||
| val patientSearchParameter = | ||
| SearchParameter().apply { | ||
| url = "http://smartregister.org/SearchParameter/patient-search" | ||
| addBase("Patient") | ||
| name = SEARCH_PARAM | ||
| code = SEARCH_PARAM | ||
| type = Enumerations.SearchParamType.STRING | ||
| expression = "Patient.name.text | Patient.identifier.value" | ||
| description = "Search patients by name and identifier fields" | ||
| } | ||
|
|
||
| return listOf( | ||
| activeGroupSearchParameter, | ||
| flagStatusSearchParameter, | ||
| medicationSortSearchParameter, | ||
| patientSearchParameter, | ||
| ) | ||
| } | ||
|
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| companion object { | ||
| private const val CUSTOM_SEARCH_PARAMETER_FILE_NAME = "customSearchParameters.json" | ||
|
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| private const val ACTIVE_SEARCH_PARAM = "active" | ||
| private const val STATUS_SEARCH_PARAM = "status" | ||
| private const val SORT_SEARCH_PARAM = "sort" | ||
| private const val SEARCH_PARAM = "search" | ||
| private const val MEDICATION_SORT_URL = | ||
| "http://smartregister.org/SearchParameter/medication-sort" | ||
| } | ||
| } | ||
|
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| fun isCompositionSectionSearchParameter(section: Composition.SectionComponent): Boolean = | ||
| section.code.coding.any { | ||
| it.system.lowercase() == SEARCH_PARAMETER_SECTION_SYSTEM_URL && | ||
| it.code.lowercase() == SEARCH_PARAMETER_SECTION_CODE | ||
| } | ||
|
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| fun isSearchParameterConfigReferenceValid(reference: Reference): Boolean = | ||
| reference.extractType() == ResourceType.Bundle | ||
|
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| private const val SEARCH_PARAMETER_SECTION_SYSTEM_URL = | ||
| "http://smartregister.org/CodeSystem/composition-section-codes" | ||
| private const val SEARCH_PARAMETER_SECTION_CODE = "custom-search-parameter-bundle" |
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