Propagated the Transcription type and locale binding through the RecordingView view and its view model in the Recording package target.

Apps/Attendi/View Models/ContentViewModel.swift

@@ -15,6 +15,9 @@ extension ContentView {
 
         // MARK: Properties
 
+        /// The locale of the spoken language to transcribe.
+        var locale: Locale = .current
+
         /// The transcription currently presented in the modal sheet, or `nil` when none is shown.
         var transcription: Transcription?
 
@@ -28,13 +31,13 @@ extension ContentView {
 
         // MARK: Methods
 
-        /// Handles the transcribed text of a processed recording, presenting it in the modal sheet.
+        /// Handles the transcription of a processed recording, presenting it in the modal sheet.
         ///
-        /// - Parameter text: The transcribed text of the processed recording.
+        /// - Parameter transcription: The transcription of the processed recording.
         func received(
-            _ text: String
+            _ transcription: Transcription
         ) {
-            transcription = .init(text: text)
+            self.transcription = transcription
         }
 
         /// Handles the dismissal of the modal sheet.

Apps/Attendi/Views/ContentView.swift

@@ -23,9 +23,10 @@ struct ContentView: View {
         NavigationStack {
             RecordingView(
                 recorder: model.recorder,
-                transcriber: model.transcriber
-            ) { text in
-                model.received(text)
+                transcriber: model.transcriber,
+                locale: $model.locale,
+            ) { transcription in
+                model.received(transcription)
             }
             .navigationTitle("view.recording.navigation.title")
             #if !os(macOS)

Packages/Features/Sources/Recording/Models/Transcription.swift

@@ -1,7 +1,7 @@
 import Foundation
 
 /// A transcription of a processed recording.
-public struct Transcription: Identifiable, Sendable {
+public struct Transcription: Equatable, Identifiable, Sendable {
     
     // MARK: Properties
 

Packages/Features/Sources/Recording/View Models/RecordingViewModel.swift

@@ -21,7 +21,11 @@ extension RecordingView {
         private(set) var elapsedSeconds: Int = 0
         
         /// The transcription of the last processed recording, or `nil` when none has been processed yet.
-        private(set) var textTranscription: String?
+        private(set) var transcription: Transcription?
+
+        /// The binding to the locale of the spoken language to transcribe.
+        @ObservationIgnored
+        private let locale: Binding<Locale>
 
         /// The service that captures the audio from a microphone.
         @ObservationIgnored
@@ -42,12 +46,15 @@ extension RecordingView {
         /// - Parameters:
         ///   - recorder: The service that captures the audio from a microphone. Defaults to ``DummyRecordingService``.
         ///   - transcribe: The callable service that transcribes the recorded audio into text. Defaults to ``DummyTranscribing``.
+        ///   - locale: The binding to the locale of the spoken language to transcribe. Defaults to a constant binding to the user's current locale.
         init(
             recorder: any RecordingService = DummyRecordingService(),
-            transcribe: any Transcribing = DummyTranscribing()
+            transcribe: any Transcribing = DummyTranscribing(),
+            locale: Binding<Locale> = .constant(.current)
         ) {
             self.recorder = recorder
             self.transcribe = transcribe
+            self.locale = locale
         }
 
         // MARK: Computed
@@ -175,7 +182,7 @@ private extension RecordingView.Model {
 
     // MARK: Methods
 
-    /// Processes the recorded input: it stops the audio capture, transcribes the captured audio, and publishes the result in ``textTranscription``;
+    /// Processes the recorded input: it stops the audio capture, transcribes the captured audio, and publishes the result in ``transcription``;
     /// when finished — or when either service fails — it resets ``elapsedSeconds`` and returns the model to the not-recording state.
     func processInput() async {
         guard state == .processing else {
@@ -185,12 +192,12 @@ private extension RecordingView.Model {
         do {
             let audio = try await recorder.stop()
 
-            textTranscription = try await transcribe(
+            transcription = try await transcribe(
                 audio,
-                locale: .current
-            ).text
+                locale: locale.wrappedValue
+            )
         } catch {
-            textTranscription = nil
+            transcription = nil
         }
 
         elapsedSeconds = 0
@@ -218,14 +225,14 @@ private extension RecordingView.Model {
 
     /// Starts the timer task, which increments ``elapsedSeconds`` once per second until it is cancelled. Any previously running timer task is cancelled first.
     ///
-    /// - Parameter shouldRestartTimer: Whether ``elapsedSeconds`` and ``textTranscription`` should be cleared before the timer starts,
+    /// - Parameter shouldRestartTimer: Whether ``elapsedSeconds`` and ``transcription`` should be cleared before the timer starts,
     /// which is the case for a new recording as opposed to one resuming from a pause.
     func startTimer(
         _ shouldRestartTimer: Bool
     ) {
         if shouldRestartTimer {
             elapsedSeconds = 0
-            textTranscription = nil
+            transcription = nil
         }
 
         taskTimer?.cancel()

Packages/Features/Sources/Recording/Views/RecordingView.swift

@@ -13,8 +13,8 @@ public struct RecordingView: View {
     /// The model that owns the recording state and drives the view's controls.
     @State private var model: Model
 
-    /// The closure invoked with the transcribed text of every processed recording.
-    private let onTranscription: (String) -> Void
+    /// The closure invoked with the transcription of every processed recording.
+    private let onTranscription: (Transcription) -> Void
 
     // MARK: Initializers
 
@@ -23,15 +23,18 @@ public struct RecordingView: View {
     /// - Parameters:
     ///   - recorder: The service that captures the audio from a microphone.
     ///   - transcriber: The service that transcribes the recorded audio into text.
-    ///   - onTranscription: The closure invoked with the transcribed text of every processed recording. Defaults to a closure that does nothing.
+    ///   - locale: The binding to the locale of the spoken language to transcribe.
+    ///   - onTranscription: The closure invoked with the transcription of every processed recording. Defaults to a closure that does nothing.
     public init(
         recorder: any RecordingService,
         transcriber: any Transcribing,
-        onTranscription: @escaping (String) -> Void = { _ in }
+        locale: Binding<Locale>,
+        onTranscription: @escaping (Transcription) -> Void
     ) {
         self.model = .init(
             recorder: recorder,
-            transcribe: transcriber
+            transcribe: transcriber,
+            locale: locale
         )
         self.onTranscription = onTranscription
     }
@@ -101,7 +104,7 @@ public struct RecordingView: View {
             )
         }
         .onChange(
-            of: model.textTranscription,
+            of: model.transcription,
             initial: false
         ) { _, newValue in
             if let newValue {
@@ -130,6 +133,9 @@ private enum Constant {
 ) {
     RecordingView(
         recorder: DummyRecordingService(),
-        transcriber: DummyTranscribing()
-    )
+        transcriber: DummyTranscribing(),
+        locale: .constant(.current)
+    ) { _ in
+        // On transcription closure.
+    }
 }

Packages/Features/Tests/Recording/View Models/RecordingViewModelTests.swift

@@ -20,7 +20,7 @@ struct RecordingViewModelTests {
             #expect(model.state == .notRecording)
             #expect(model.elapsedSeconds == 0)
             #expect(model.textTimer == "00:00")
-            #expect(model.textTranscription == nil)
+            #expect(model.transcription == nil)
         }
 
     }
@@ -368,7 +368,7 @@ struct RecordingViewModelTests {
 
             #expect(model.state == .notRecording)
             #expect(model.elapsedSeconds == 0)
-            #expect(model.textTranscription != nil)
+            #expect(model.transcription != nil)
         }
 
         @Test func `clears the transcription when the transcriber fails`() async throws {
@@ -387,7 +387,7 @@ struct RecordingViewModelTests {
 
             #expect(model.state == .notRecording)
             #expect(model.elapsedSeconds == 0)
-            #expect(model.textTranscription == nil)
+            #expect(model.transcription == nil)
         }
 
         @Test func `clears the transcription when a new recording starts`() async throws {
@@ -400,12 +400,12 @@ struct RecordingViewModelTests {
 
             try await Task.sleep(for: .seconds(0.5))
 
-            #expect(model.textTranscription != nil)
+            #expect(model.transcription != nil)
 
             model.state = .recording
             model.updatedState(shouldRestartTimer: true)
 
-            #expect(model.textTranscription == nil)
+            #expect(model.transcription == nil)
 
             model.state = .notRecording
             model.updatedState(shouldRestartTimer: false)