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Add LLM functionality from SpeziFHIR (#53)
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| Original file line number | Diff line number | Diff line change |
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| // | ||
| // This source file is part of the Stanford Spezi project | ||
| // | ||
| // SPDX-FileCopyrightText: 2023 Stanford University | ||
| // | ||
| // SPDX-License-Identifier: MIT | ||
| // | ||
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| import SpeziFHIR | ||
| import SwiftUI | ||
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| /// Displays a `List` of all available FHIR resources. | ||
| /// | ||
| /// The ``FHIRResourcesView`` displays a SwiftUI `List` of all available resources in the `SpeziFHIR` [`FHIRStore`](https://swiftpackageindex.com/stanfordspezi/spezifhir/documentation/spezifhir/fhirstore). | ||
| /// The FHIR resources are displayed in sections, for example conditions, medications etc. | ||
| /// In order to simply locating a concrete FHIR resource, the ``FHIRResourcesView`` provides a search bar on top of the `List`. | ||
| /// | ||
| /// The ``FHIRResourcesView`` contains an optional content as well as action `View` that are located on top of the resource `List` and can be configured via ``FHIRResourcesView/init(navigationTitle:contentView:actionView:)``. | ||
| /// The content and action `View`s are placed within the Swift `List` as a `Section`, enabling proper visual integration with the remainder of the `List`. | ||
| /// | ||
| /// - Warning: Ensure that the `SpeziFHIR` [`FHIRStore`](https://swiftpackageindex.com/stanfordspezi/spezifhir/documentation/spezifhir/fhirstore) is properly set up and accessible within the SwiftUI `Environment`. | ||
| /// | ||
| /// ### Usage | ||
| /// | ||
| /// The example below showcases a minimal example of using the ``FHIRResourcesView``. | ||
| /// | ||
| /// ```swift | ||
| /// struct ResourcesView: View { | ||
| /// var body: some View { | ||
| /// FHIRResourcesView(navigationTitle: "...") { | ||
| /// Button("Some Action") { | ||
| /// // Action to perform | ||
| /// // ... | ||
| /// } | ||
| /// } | ||
| /// } | ||
| /// } | ||
| /// ``` | ||
| public struct FHIRResourcesView<ContentView: View, ActionView: View>: View { | ||
| @Environment(FHIRStore.self) private var fhirStore | ||
| @State private var searchText = "" | ||
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| private let navigationTitle: Text | ||
| private let contentView: ContentView | ||
| private let actionView: ActionView | ||
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| public var body: some View { | ||
| List { | ||
| Section { | ||
| contentView | ||
| } | ||
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| if searchText.isEmpty { | ||
| Section { | ||
| actionView | ||
| } | ||
| } | ||
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| if fhirStore.allResources.filterByDisplayName(with: searchText).isEmpty { | ||
| Text("FHIR_RESOURCES_EMPTY_SEARCH_MESSAGE") | ||
| } else { | ||
| resourcesSection | ||
| } | ||
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| Section { } footer: { | ||
| Text("Total Number of Resources: \(fhirStore.allResources.count)") | ||
| } | ||
| } | ||
| .searchable(text: $searchText) | ||
| .navigationDestination(for: FHIRResource.self) { resource in | ||
| InspectResourceView(resource: resource) | ||
| } | ||
| .navigationTitle(navigationTitle) | ||
| } | ||
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| @ViewBuilder private var resourcesSection: some View { | ||
| section(for: \.conditions, sectionName: String(localized: "Conditions")) | ||
| section(for: \.diagnostics, sectionName: String(localized: "Diagnostics")) | ||
| section(for: \.encounters, sectionName: String(localized: "Encounters")) | ||
| section(for: \.immunizations, sectionName: String(localized: "Immunizations")) | ||
| section(for: \.medications, sectionName: String(localized: "Medications")) | ||
| section(for: \.observations, sectionName: String(localized: "Observations")) | ||
| section(for: \.procedures, sectionName: String(localized: "Procedures")) | ||
| section(for: \.otherResources, sectionName: String(localized: "Other Resources")) | ||
| } | ||
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| /// Creates a ``FHIRResourcesView`` displaying a `List` of all available FHIR resources. | ||
| /// | ||
| /// - Parameters: | ||
| /// - navigationTitle: The localized title displayed for purposes of navigation. | ||
| /// - contentView: A custom content `View` that is displayed as the first `Section` of the `List`. | ||
| /// - actionView: A custom action `View` that is displayed as the second `Section` of the `List`. Only shown if no search `String` is present. | ||
| public init( | ||
| navigationTitle: LocalizedStringResource, | ||
| @ViewBuilder contentView: () -> ContentView = { EmptyView() }, | ||
| @ViewBuilder _ actionView: () -> ActionView = { EmptyView() } | ||
| ) { | ||
| self.navigationTitle = Text(navigationTitle) | ||
| self.contentView = contentView() | ||
| self.actionView = actionView() | ||
| } | ||
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| /// Creates a ``FHIRResourcesView`` displaying a `List` of all available FHIR resources. | ||
| /// | ||
| /// - Parameters: | ||
| /// - navigationTitle: The title displayed for purposes of navigation. | ||
| /// - contentView: A custom content `View` that is displayed as the first `Section` of the `List`. | ||
| /// - actionView: A custom action `View` that is displayed as the second `Section` of the `List`. Only shown if no search `String` is present. | ||
| @_disfavoredOverload | ||
| public init<Title: StringProtocol>( | ||
| navigationTitle: Title, | ||
| @ViewBuilder contentView: () -> ContentView = { EmptyView() }, | ||
| @ViewBuilder _ actionView: () -> ActionView = { EmptyView() } | ||
| ) { | ||
| self.navigationTitle = Text(verbatim: String(navigationTitle)) | ||
| self.contentView = contentView() | ||
| self.actionView = actionView() | ||
| } | ||
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| private func section(for keyPath: KeyPath<FHIRStore, [FHIRResource]>, sectionName: String) -> some View { | ||
| var resources = fhirStore[keyPath: keyPath] | ||
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| if !searchText.isEmpty { | ||
| resources = resources.filterByDisplayName(with: searchText) | ||
| } | ||
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| guard !resources.isEmpty else { | ||
| return AnyView(EmptyView()) | ||
| } | ||
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| return AnyView( | ||
| Section(sectionName) { | ||
| ForEach(resources) { resource in | ||
| NavigationLink(value: resource) { | ||
| FHIRResourceSummaryView(resource: resource) | ||
| } | ||
| } | ||
| } | ||
| ) | ||
| } | ||
| } |
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