// THIS FILE IS GENERATED BY https://github.com/fastenhealth/fasten-onprem/blob/main/backend/pkg/models/database/generate.go
// PLEASE DO NOT EDIT BY HAND

package database

import (
	"encoding/json"
	"fmt"
	goja "github.com/dop251/goja"
	models "github.com/fastenhealth/fastenhealth-onprem/backend/pkg/models"
	datatypes "gorm.io/datatypes"
	"time"
)

type FhirDeviceRequest struct {
	models.ResourceBase
	// When the request transitioned to being actionable
	// https://hl7.org/fhir/r4/search.html#date
	AuthoredOn time.Time `gorm:"column:authoredOn;type:datetime" json:"authoredOn,omitempty"`
	// Plan/proposal/order fulfilled by this request
	// https://hl7.org/fhir/r4/search.html#reference
	BasedOn datatypes.JSON `gorm:"column:basedOn;type:text;serializer:json" json:"basedOn,omitempty"`
	/*
	   Multiple Resources:

	   * [AllergyIntolerance](allergyintolerance.html): Code that identifies the allergy or intolerance
	   * [Condition](condition.html): Code for the condition
	   * [DeviceRequest](devicerequest.html): Code for what is being requested/ordered
	   * [DiagnosticReport](diagnosticreport.html): The code for the report, as opposed to codes for the atomic results, which are the names on the observation resource referred to from the result
	   * [FamilyMemberHistory](familymemberhistory.html): A search by a condition code
	   * [List](list.html): What the purpose of this list is
	   * [Medication](medication.html): Returns medications for a specific code
	   * [MedicationAdministration](medicationadministration.html): Return administrations of this medication code
	   * [MedicationDispense](medicationdispense.html): Returns dispenses of this medicine code
	   * [MedicationRequest](medicationrequest.html): Return prescriptions of this medication code
	   * [MedicationStatement](medicationstatement.html): Return statements of this medication code
	   * [Observation](observation.html): The code of the observation type
	   * [Procedure](procedure.html): A code to identify a  procedure
	   * [ServiceRequest](servicerequest.html): What is being requested/ordered
	*/
	// https://hl7.org/fhir/r4/search.html#token
	Code datatypes.JSON `gorm:"column:code;type:text;serializer:json" json:"code,omitempty"`
	// Reference to resource that is being requested/ordered
	// https://hl7.org/fhir/r4/search.html#reference
	Device datatypes.JSON `gorm:"column:device;type:text;serializer:json" json:"device,omitempty"`
	/*
	   Multiple Resources:

	   * [Composition](composition.html): Context of the Composition
	   * [DeviceRequest](devicerequest.html): Encounter during which request was created
	   * [DiagnosticReport](diagnosticreport.html): The Encounter when the order was made
	   * [DocumentReference](documentreference.html): Context of the document  content
	   * [Flag](flag.html): Alert relevant during encounter
	   * [List](list.html): Context in which list created
	   * [NutritionOrder](nutritionorder.html): Return nutrition orders with this encounter identifier
	   * [Observation](observation.html): Encounter related to the observation
	   * [Procedure](procedure.html): Encounter created as part of
	   * [RiskAssessment](riskassessment.html): Where was assessment performed?
	   * [ServiceRequest](servicerequest.html): An encounter in which this request is made
	   * [VisionPrescription](visionprescription.html): Return prescriptions with this encounter identifier
	*/
	// https://hl7.org/fhir/r4/search.html#reference
	Encounter datatypes.JSON `gorm:"column:encounter;type:text;serializer:json" json:"encounter,omitempty"`
	// When service should occur
	// https://hl7.org/fhir/r4/search.html#date
	EventDate time.Time `gorm:"column:eventDate;type:datetime" json:"eventDate,omitempty"`
	// Composite request this is part of
	// https://hl7.org/fhir/r4/search.html#token
	GroupIdentifier datatypes.JSON `gorm:"column:groupIdentifier;type:text;serializer:json" json:"groupIdentifier,omitempty"`
	/*
	   Multiple Resources:

	   * [AllergyIntolerance](allergyintolerance.html): External ids for this item
	   * [CarePlan](careplan.html): External Ids for this plan
	   * [CareTeam](careteam.html): External Ids for this team
	   * [Composition](composition.html): Version-independent identifier for the Composition
	   * [Condition](condition.html): A unique identifier of the condition record
	   * [Consent](consent.html): Identifier for this record (external references)
	   * [DetectedIssue](detectedissue.html): Unique id for the detected issue
	   * [DeviceRequest](devicerequest.html): Business identifier for request/order
	   * [DiagnosticReport](diagnosticreport.html): An identifier for the report
	   * [DocumentManifest](documentmanifest.html): Unique Identifier for the set of documents
	   * [DocumentReference](documentreference.html): Master Version Specific Identifier
	   * [Encounter](encounter.html): Identifier(s) by which this encounter is known
	   * [EpisodeOfCare](episodeofcare.html): Business Identifier(s) relevant for this EpisodeOfCare
	   * [FamilyMemberHistory](familymemberhistory.html): A search by a record identifier
	   * [Goal](goal.html): External Ids for this goal
	   * [ImagingStudy](imagingstudy.html): Identifiers for the Study, such as DICOM Study Instance UID and Accession number
	   * [Immunization](immunization.html): Business identifier
	   * [List](list.html): Business identifier
	   * [MedicationAdministration](medicationadministration.html): Return administrations with this external identifier
	   * [MedicationDispense](medicationdispense.html): Returns dispenses with this external identifier
	   * [MedicationRequest](medicationrequest.html): Return prescriptions with this external identifier
	   * [MedicationStatement](medicationstatement.html): Return statements with this external identifier
	   * [NutritionOrder](nutritionorder.html): Return nutrition orders with this external identifier
	   * [Observation](observation.html): The unique id for a particular observation
	   * [Procedure](procedure.html): A unique identifier for a procedure
	   * [RiskAssessment](riskassessment.html): Unique identifier for the assessment
	   * [ServiceRequest](servicerequest.html): Identifiers assigned to this order
	   * [SupplyDelivery](supplydelivery.html): External identifier
	   * [SupplyRequest](supplyrequest.html): Business Identifier for SupplyRequest
	   * [VisionPrescription](visionprescription.html): Return prescriptions with this external identifier
	*/
	// https://hl7.org/fhir/r4/search.html#token
	Identifier datatypes.JSON `gorm:"column:identifier;type:text;serializer:json" json:"identifier,omitempty"`
	// Instantiates FHIR protocol or definition
	// https://hl7.org/fhir/r4/search.html#reference
	InstantiatesCanonical datatypes.JSON `gorm:"column:instantiatesCanonical;type:text;serializer:json" json:"instantiatesCanonical,omitempty"`
	// Instantiates external protocol or definition
	// https://hl7.org/fhir/r4/search.html#uri
	InstantiatesUri string `gorm:"column:instantiatesUri;type:text" json:"instantiatesUri,omitempty"`
	// Associated insurance coverage
	// https://hl7.org/fhir/r4/search.html#reference
	Insurance datatypes.JSON `gorm:"column:insurance;type:text;serializer:json" json:"insurance,omitempty"`
	// proposal | plan | original-order |reflex-order
	// https://hl7.org/fhir/r4/search.html#token
	Intent datatypes.JSON `gorm:"column:intent;type:text;serializer:json" json:"intent,omitempty"`
	// Language of the resource content
	// https://hl7.org/fhir/r4/search.html#token
	Language datatypes.JSON `gorm:"column:language;type:text;serializer:json" json:"language,omitempty"`
	// When the resource version last changed
	// https://hl7.org/fhir/r4/search.html#date
	LastUpdated time.Time `gorm:"column:lastUpdated;type:datetime" json:"lastUpdated,omitempty"`
	// Desired performer for service
	// https://hl7.org/fhir/r4/search.html#reference
	Performer datatypes.JSON `gorm:"column:performer;type:text;serializer:json" json:"performer,omitempty"`
	// Request takes the place of referenced completed or terminated requests
	// https://hl7.org/fhir/r4/search.html#reference
	PriorRequest datatypes.JSON `gorm:"column:priorRequest;type:text;serializer:json" json:"priorRequest,omitempty"`
	// Profiles this resource claims to conform to
	// https://hl7.org/fhir/r4/search.html#reference
	Profile datatypes.JSON `gorm:"column:profile;type:text;serializer:json" json:"profile,omitempty"`
	// Who/what is requesting service
	// https://hl7.org/fhir/r4/search.html#reference
	Requester datatypes.JSON `gorm:"column:requester;type:text;serializer:json" json:"requester,omitempty"`
	// Identifies where the resource comes from
	// https://hl7.org/fhir/r4/search.html#uri
	SourceUri string `gorm:"column:sourceUri;type:text" json:"sourceUri,omitempty"`
	// entered-in-error | draft | active |suspended | completed
	// https://hl7.org/fhir/r4/search.html#token
	Status datatypes.JSON `gorm:"column:status;type:text;serializer:json" json:"status,omitempty"`
	// Individual the service is ordered for
	// https://hl7.org/fhir/r4/search.html#reference
	Subject datatypes.JSON `gorm:"column:subject;type:text;serializer:json" json:"subject,omitempty"`
	// Tags applied to this resource
	// https://hl7.org/fhir/r4/search.html#token
	Tag datatypes.JSON `gorm:"column:tag;type:text;serializer:json" json:"tag,omitempty"`
	// Text search against the narrative
	// https://hl7.org/fhir/r4/search.html#string
	Text datatypes.JSON `gorm:"column:text;type:text;serializer:json" json:"text,omitempty"`
	// A resource type filter
	// https://hl7.org/fhir/r4/search.html#special
	Type datatypes.JSON `gorm:"column:type;type:text;serializer:json" json:"type,omitempty"`
}

func (s *FhirDeviceRequest) GetSearchParameters() map[string]string {
	searchParameters := map[string]string{
		"authoredOn":            "date",
		"basedOn":               "reference",
		"code":                  "token",
		"device":                "reference",
		"encounter":             "reference",
		"eventDate":             "date",
		"groupIdentifier":       "token",
		"identifier":            "token",
		"instantiatesCanonical": "reference",
		"instantiatesUri":       "uri",
		"insurance":             "reference",
		"intent":                "token",
		"language":              "token",
		"lastUpdated":           "date",
		"performer":             "reference",
		"priorRequest":          "reference",
		"profile":               "reference",
		"requester":             "reference",
		"sourceUri":             "uri",
		"status":                "token",
		"subject":               "reference",
		"tag":                   "token",
		"text":                  "string",
		"type":                  "special",
	}
	return searchParameters
}
func (s *FhirDeviceRequest) PopulateAndExtractSearchParameters(resourceRaw json.RawMessage) error {
	s.ResourceRaw = datatypes.JSON(resourceRaw)
	// unmarshal the raw resource (bytes) into a map
	var resourceRawMap map[string]interface{}
	err := json.Unmarshal(resourceRaw, &resourceRawMap)
	if err != nil {
		return err
	}
	if len(fhirPathJs) == 0 {
		return fmt.Errorf("fhirPathJs script is empty")
	}
	vm := goja.New()
	// setup the global window object
	vm.Set("window", vm.NewObject())
	// set the global FHIR Resource object
	vm.Set("fhirResource", resourceRawMap)
	// compile the fhirpath library
	fhirPathJsProgram, err := goja.Compile("fhirpath.min.js", fhirPathJs, true)
	if err != nil {
		return err
	}
	// add the fhirpath library in the goja vm
	_, err = vm.RunProgram(fhirPathJsProgram)
	if err != nil {
		return err
	}
	// execute the fhirpath expression for each search parameter
	// extracting AuthoredOn
	authoredOnResult, err := vm.RunString("window.fhirpath.evaluate(fhirResource, 'DeviceRequest.authoredOn')[0]")
	if err == nil && authoredOnResult.String() != "undefined" {
		t, err := time.Parse(time.RFC3339, authoredOnResult.String())
		if err == nil {
			s.AuthoredOn = t
		}
	}
	// extracting BasedOn
	basedOnResult, err := vm.RunString("JSON.stringify(window.fhirpath.evaluate(fhirResource, 'DeviceRequest.basedOn'))")
	if err == nil && basedOnResult.String() != "undefined" {
		s.BasedOn = []byte(basedOnResult.String())
	}
	// extracting Code
	codeResult, err := vm.RunString(` 
							CodeResult = window.fhirpath.evaluate(fhirResource, 'AllergyIntolerance.code | AllergyIntolerance.reaction.substance | Condition.code | (DeviceRequest.codeCodeableConcept) | DiagnosticReport.code | FamilyMemberHistory.condition.code | List.code | Medication.code | (MedicationAdministration.medicationCodeableConcept) | (MedicationDispense.medicationCodeableConcept) | (MedicationRequest.medicationCodeableConcept) | (MedicationStatement.medicationCodeableConcept) | Observation.code | Procedure.code | ServiceRequest.code')
							CodeProcessed = CodeResult.reduce((accumulator, currentValue) => {
								if (currentValue.coding) {
									//CodeableConcept
									currentValue.coding.map((coding) => {
										accumulator.push({
											"code": coding.code,	
											"system": coding.system,
											"text": currentValue.text
										})
									})
								} else if (currentValue.value) {
									//ContactPoint, Identifier
									accumulator.push({
										"code": currentValue.value,
										"system": currentValue.system,
										"text": currentValue.type?.text
									})
								} else if (currentValue.code) {
									//Coding
									accumulator.push({
										"code": currentValue.code,
										"system": currentValue.system,
										"text": currentValue.display
									})
								} else if ((typeof currentValue === 'string') || (typeof currentValue === 'boolean')) {
									//string, boolean
									accumulator.push({
										"code": currentValue,
									})
								}
								return accumulator
							}, [])
						
				
							JSON.stringify(CodeProcessed)
						 `)
	if err == nil && codeResult.String() != "undefined" {
		s.Code = []byte(codeResult.String())
	}
	// extracting Device
	deviceResult, err := vm.RunString("JSON.stringify(window.fhirpath.evaluate(fhirResource, '(DeviceRequest.codeReference)'))")
	if err == nil && deviceResult.String() != "undefined" {
		s.Device = []byte(deviceResult.String())
	}
	// extracting Encounter
	encounterResult, err := vm.RunString("JSON.stringify(window.fhirpath.evaluate(fhirResource, 'Composition.encounter | DeviceRequest.encounter | DiagnosticReport.encounter | DocumentReference.context.encounter.where(resolve() is Encounter) | Flag.encounter | List.encounter | NutritionOrder.encounter | Observation.encounter | Procedure.encounter | RiskAssessment.encounter | ServiceRequest.encounter | VisionPrescription.encounter'))")
	if err == nil && encounterResult.String() != "undefined" {
		s.Encounter = []byte(encounterResult.String())
	}
	// extracting EventDate
	eventDateResult, err := vm.RunString("window.fhirpath.evaluate(fhirResource, '(DeviceRequest.occurrenceDateTime) | (DeviceRequest.occurrencePeriod)')[0]")
	if err == nil && eventDateResult.String() != "undefined" {
		t, err := time.Parse(time.RFC3339, eventDateResult.String())
		if err == nil {
			s.EventDate = t
		}
	}
	// extracting GroupIdentifier
	groupIdentifierResult, err := vm.RunString(` 
							GroupIdentifierResult = window.fhirpath.evaluate(fhirResource, 'DeviceRequest.groupIdentifier')
							GroupIdentifierProcessed = GroupIdentifierResult.reduce((accumulator, currentValue) => {
								if (currentValue.coding) {
									//CodeableConcept
									currentValue.coding.map((coding) => {
										accumulator.push({
											"code": coding.code,	
											"system": coding.system,
											"text": currentValue.text
										})
									})
								} else if (currentValue.value) {
									//ContactPoint, Identifier
									accumulator.push({
										"code": currentValue.value,
										"system": currentValue.system,
										"text": currentValue.type?.text
									})
								} else if (currentValue.code) {
									//Coding
									accumulator.push({
										"code": currentValue.code,
										"system": currentValue.system,
										"text": currentValue.display
									})
								} else if ((typeof currentValue === 'string') || (typeof currentValue === 'boolean')) {
									//string, boolean
									accumulator.push({
										"code": currentValue,
									})
								}
								return accumulator
							}, [])
						
				
							JSON.stringify(GroupIdentifierProcessed)
						 `)
	if err == nil && groupIdentifierResult.String() != "undefined" {
		s.GroupIdentifier = []byte(groupIdentifierResult.String())
	}
	// extracting Identifier
	identifierResult, err := vm.RunString(` 
							IdentifierResult = window.fhirpath.evaluate(fhirResource, 'AllergyIntolerance.identifier | CarePlan.identifier | CareTeam.identifier | Composition.identifier | Condition.identifier | Consent.identifier | DetectedIssue.identifier | DeviceRequest.identifier | DiagnosticReport.identifier | DocumentManifest.masterIdentifier | DocumentManifest.identifier | DocumentReference.masterIdentifier | DocumentReference.identifier | Encounter.identifier | EpisodeOfCare.identifier | FamilyMemberHistory.identifier | Goal.identifier | ImagingStudy.identifier | Immunization.identifier | List.identifier | MedicationAdministration.identifier | MedicationDispense.identifier | MedicationRequest.identifier | MedicationStatement.identifier | NutritionOrder.identifier | Observation.identifier | Procedure.identifier | RiskAssessment.identifier | ServiceRequest.identifier | SupplyDelivery.identifier | SupplyRequest.identifier | VisionPrescription.identifier')
							IdentifierProcessed = IdentifierResult.reduce((accumulator, currentValue) => {
								if (currentValue.coding) {
									//CodeableConcept
									currentValue.coding.map((coding) => {
										accumulator.push({
											"code": coding.code,	
											"system": coding.system,
											"text": currentValue.text
										})
									})
								} else if (currentValue.value) {
									//ContactPoint, Identifier
									accumulator.push({
										"code": currentValue.value,
										"system": currentValue.system,
										"text": currentValue.type?.text
									})
								} else if (currentValue.code) {
									//Coding
									accumulator.push({
										"code": currentValue.code,
										"system": currentValue.system,
										"text": currentValue.display
									})
								} else if ((typeof currentValue === 'string') || (typeof currentValue === 'boolean')) {
									//string, boolean
									accumulator.push({
										"code": currentValue,
									})
								}
								return accumulator
							}, [])
						
				
							JSON.stringify(IdentifierProcessed)
						 `)
	if err == nil && identifierResult.String() != "undefined" {
		s.Identifier = []byte(identifierResult.String())
	}
	// extracting InstantiatesCanonical
	instantiatesCanonicalResult, err := vm.RunString("JSON.stringify(window.fhirpath.evaluate(fhirResource, 'DeviceRequest.instantiatesCanonical'))")
	if err == nil && instantiatesCanonicalResult.String() != "undefined" {
		s.InstantiatesCanonical = []byte(instantiatesCanonicalResult.String())
	}
	// extracting InstantiatesUri
	instantiatesUriResult, err := vm.RunString("window.fhirpath.evaluate(fhirResource, 'DeviceRequest.instantiatesUri')[0]")
	if err == nil && instantiatesUriResult.String() != "undefined" {
		s.InstantiatesUri = instantiatesUriResult.String()
	}
	// extracting Insurance
	insuranceResult, err := vm.RunString("JSON.stringify(window.fhirpath.evaluate(fhirResource, 'DeviceRequest.insurance'))")
	if err == nil && insuranceResult.String() != "undefined" {
		s.Insurance = []byte(insuranceResult.String())
	}
	// extracting Intent
	intentResult, err := vm.RunString(` 
							IntentResult = window.fhirpath.evaluate(fhirResource, 'DeviceRequest.intent')
							IntentProcessed = IntentResult.reduce((accumulator, currentValue) => {
								if (currentValue.coding) {
									//CodeableConcept
									currentValue.coding.map((coding) => {
										accumulator.push({
											"code": coding.code,	
											"system": coding.system,
											"text": currentValue.text
										})
									})
								} else if (currentValue.value) {
									//ContactPoint, Identifier
									accumulator.push({
										"code": currentValue.value,
										"system": currentValue.system,
										"text": currentValue.type?.text
									})
								} else if (currentValue.code) {
									//Coding
									accumulator.push({
										"code": currentValue.code,
										"system": currentValue.system,
										"text": currentValue.display
									})
								} else if ((typeof currentValue === 'string') || (typeof currentValue === 'boolean')) {
									//string, boolean
									accumulator.push({
										"code": currentValue,
									})
								}
								return accumulator
							}, [])
						
				
							JSON.stringify(IntentProcessed)
						 `)
	if err == nil && intentResult.String() != "undefined" {
		s.Intent = []byte(intentResult.String())
	}
	// extracting Language
	languageResult, err := vm.RunString(` 
							LanguageResult = window.fhirpath.evaluate(fhirResource, 'Resource.language')
							LanguageProcessed = LanguageResult.reduce((accumulator, currentValue) => {
								if (currentValue.coding) {
									//CodeableConcept
									currentValue.coding.map((coding) => {
										accumulator.push({
											"code": coding.code,	
											"system": coding.system,
											"text": currentValue.text
										})
									})
								} else if (currentValue.value) {
									//ContactPoint, Identifier
									accumulator.push({
										"code": currentValue.value,
										"system": currentValue.system,
										"text": currentValue.type?.text
									})
								} else if (currentValue.code) {
									//Coding
									accumulator.push({
										"code": currentValue.code,
										"system": currentValue.system,
										"text": currentValue.display
									})
								} else if ((typeof currentValue === 'string') || (typeof currentValue === 'boolean')) {
									//string, boolean
									accumulator.push({
										"code": currentValue,
									})
								}
								return accumulator
							}, [])
						
				
							JSON.stringify(LanguageProcessed)
						 `)
	if err == nil && languageResult.String() != "undefined" {
		s.Language = []byte(languageResult.String())
	}
	// extracting LastUpdated
	lastUpdatedResult, err := vm.RunString("window.fhirpath.evaluate(fhirResource, 'Resource.meta.lastUpdated')[0]")
	if err == nil && lastUpdatedResult.String() != "undefined" {
		t, err := time.Parse(time.RFC3339, lastUpdatedResult.String())
		if err == nil {
			s.LastUpdated = t
		}
	}
	// extracting Performer
	performerResult, err := vm.RunString("JSON.stringify(window.fhirpath.evaluate(fhirResource, 'DeviceRequest.performer'))")
	if err == nil && performerResult.String() != "undefined" {
		s.Performer = []byte(performerResult.String())
	}
	// extracting PriorRequest
	priorRequestResult, err := vm.RunString("JSON.stringify(window.fhirpath.evaluate(fhirResource, 'DeviceRequest.priorRequest'))")
	if err == nil && priorRequestResult.String() != "undefined" {
		s.PriorRequest = []byte(priorRequestResult.String())
	}
	// extracting Profile
	profileResult, err := vm.RunString("JSON.stringify(window.fhirpath.evaluate(fhirResource, 'Resource.meta.profile'))")
	if err == nil && profileResult.String() != "undefined" {
		s.Profile = []byte(profileResult.String())
	}
	// extracting Requester
	requesterResult, err := vm.RunString("JSON.stringify(window.fhirpath.evaluate(fhirResource, 'DeviceRequest.requester'))")
	if err == nil && requesterResult.String() != "undefined" {
		s.Requester = []byte(requesterResult.String())
	}
	// extracting SourceUri
	sourceUriResult, err := vm.RunString("window.fhirpath.evaluate(fhirResource, 'Resource.meta.source')[0]")
	if err == nil && sourceUriResult.String() != "undefined" {
		s.SourceUri = sourceUriResult.String()
	}
	// extracting Status
	statusResult, err := vm.RunString(` 
							StatusResult = window.fhirpath.evaluate(fhirResource, 'DeviceRequest.status')
							StatusProcessed = StatusResult.reduce((accumulator, currentValue) => {
								if (currentValue.coding) {
									//CodeableConcept
									currentValue.coding.map((coding) => {
										accumulator.push({
											"code": coding.code,	
											"system": coding.system,
											"text": currentValue.text
										})
									})
								} else if (currentValue.value) {
									//ContactPoint, Identifier
									accumulator.push({
										"code": currentValue.value,
										"system": currentValue.system,
										"text": currentValue.type?.text
									})
								} else if (currentValue.code) {
									//Coding
									accumulator.push({
										"code": currentValue.code,
										"system": currentValue.system,
										"text": currentValue.display
									})
								} else if ((typeof currentValue === 'string') || (typeof currentValue === 'boolean')) {
									//string, boolean
									accumulator.push({
										"code": currentValue,
									})
								}
								return accumulator
							}, [])
						
				
							JSON.stringify(StatusProcessed)
						 `)
	if err == nil && statusResult.String() != "undefined" {
		s.Status = []byte(statusResult.String())
	}
	// extracting Subject
	subjectResult, err := vm.RunString("JSON.stringify(window.fhirpath.evaluate(fhirResource, 'DeviceRequest.subject'))")
	if err == nil && subjectResult.String() != "undefined" {
		s.Subject = []byte(subjectResult.String())
	}
	// extracting Tag
	tagResult, err := vm.RunString(` 
							TagResult = window.fhirpath.evaluate(fhirResource, 'Resource.meta.tag')
							TagProcessed = TagResult.reduce((accumulator, currentValue) => {
								if (currentValue.coding) {
									//CodeableConcept
									currentValue.coding.map((coding) => {
										accumulator.push({
											"code": coding.code,	
											"system": coding.system,
											"text": currentValue.text
										})
									})
								} else if (currentValue.value) {
									//ContactPoint, Identifier
									accumulator.push({
										"code": currentValue.value,
										"system": currentValue.system,
										"text": currentValue.type?.text
									})
								} else if (currentValue.code) {
									//Coding
									accumulator.push({
										"code": currentValue.code,
										"system": currentValue.system,
										"text": currentValue.display
									})
								} else if ((typeof currentValue === 'string') || (typeof currentValue === 'boolean')) {
									//string, boolean
									accumulator.push({
										"code": currentValue,
									})
								}
								return accumulator
							}, [])
						
				
							JSON.stringify(TagProcessed)
						 `)
	if err == nil && tagResult.String() != "undefined" {
		s.Tag = []byte(tagResult.String())
	}
	return nil
}

// TableName overrides the table name from fhir_observations (pluralized) to `fhir_observation`. https://gorm.io/docs/conventions.html#TableName
func (s *FhirDeviceRequest) TableName() string {
	return "fhir_device_request"
}