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Move the recording side effects into the RecordingViewModel view model in the Recording package target.

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This commit is contained in:
javier
2026-07-04 14:50:41 +02:00
parent 5e102f21e1
commit 702333038c
3 changed files with 97 additions and 124 deletions
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Packages/Features/Sources/Recording/View Models/RecordingViewModel.swift
+22 -43
View File
@@ -15,7 +15,7 @@ extension RecordingView {
// MARK: Properties
/// The current state of the recording flow.
var state: State = .notRecording
private(set) var state: State = .notRecording
/// The number of seconds spent recording, excluding any time spent paused.
private(set) var elapsedSeconds: Int = 0
@@ -30,6 +30,10 @@ extension RecordingView {
/// The instant the current recording stretch started, or `nil` while not recording.
@ObservationIgnored
private var anchor: ContinuousClock.Instant?
/// The service that captures the audio from a microphone.
@ObservationIgnored
private let capturer: any Capturing
/// The clock that measures the recording time.
@ObservationIgnored
@@ -39,10 +43,6 @@ extension RecordingView {
@ObservationIgnored
private let locale: Binding<Locale>
/// The service that captures the audio from a microphone.
@ObservationIgnored
private let capturer: any Capturing
/// The task that updates ``elapsedSeconds`` from the measured recording time once per second while recording.
@ObservationIgnored
private var taskTimer: Task<Void, Never>?
@@ -119,20 +119,28 @@ extension RecordingView {
/// Handles a press of the main button.
///
/// Starts a recording when idle, pauses an ongoing recording, or resumes
/// a paused one. Does nothing while the input is being processed.
/// Starts a recording when idle, pauses an ongoing recording, or resumes a paused one — starting and stopping the timer
/// and the audio capture accordingly. Does nothing while the input is being processed.
func pressedMain() {
guard state != .processing else {
return
}
switch state {
case .notRecording:
state = .recording
startTimer(true)
startCapturer(true)
case .recording:
state = .paused
stopTimer()
Task {
try? await capturer.pause()
}
case .paused:
state = .recording
startTimer(false)
startCapturer(false)
case .processing:
break
}
@@ -140,48 +148,19 @@ extension RecordingView {
/// Handles a press of the send button.
///
/// Moves a paused recording into processing. Does nothing in any other state.
/// Moves a paused recording into processing, stopping the timer and kicking off ``processInput()``. Does nothing in any other state.
func pressedSend() {
guard state == .paused else {
return
}
switch state {
case .paused:
state = .processing
default:
break
}
}
/// Reacts to a change of ``state``, expected to be called from the view whenever it observes one.
///
/// Starts the timer and the audio capture when a recording begins or resumes, stops the timer in every other state — pausing the capture
/// while paused — and kicks off ``processInput()`` when the input is sent.
///
/// - Parameter shouldRestartTimer: Whether ``elapsedSeconds`` should be reset to zero before the timer starts, which is the case for
/// a new recording as opposed to one resuming from a pause.
func updatedState(
shouldRestartTimer: Bool
) {
switch state {
case .recording:
startTimer(shouldRestartTimer)
startCapturer(shouldRestartTimer)
case .paused:
stopTimer()
Task {
try? await capturer.pause()
}
case .processing:
stopTimer()
Task {
await processInput()
}
case .notRecording:
stopTimer()
default:
break
}
}
Packages/Features/Sources/Recording/Views/RecordingView.swift
+3 -11
View File
@@ -5,7 +5,7 @@ import SwiftUI
/// The view shows a main button that starts, pauses, and resumes a recording, with a label above it displaying the elapsed recording time.
/// While paused, a send button lets the user submit the recording for processing, showing a progress indicator until the processing finishes.
///
/// All state and control behavior lives in the view's ``Model``; the view itself only renders it and forwards button presses and state changes.
/// All state and control behavior lives in the view's ``Model``; the view itself only renders it and forwards button presses.
public struct RecordingView: View {
// MARK: Properties
@@ -44,8 +44,8 @@ public struct RecordingView: View {
// MARK: Body
/// The content of the view: the timer label above the main and send buttons, with every change of the model's state forwarded back
/// to ``Model/updatedState(shouldRestartTimer:)``.
/// The content of the view: the timer label above the main and send buttons, with the transcription of every processed recording
/// forwarded to the closure given at initialization.
public var body: some View {
VStack(
spacing: Constant.Spacing.stack
@@ -98,14 +98,6 @@ public struct RecordingView: View {
}
}
}
.onChange(
of: model.state,
initial: false
) { oldValue, _ in
model.updatedState(
shouldRestartTimer: oldValue == .notRecording
)
}
.onChange(
of: model.transcription,
initial: false
Packages/Features/Tests/Recording/View Models/RecordingViewModelTests.swift
+72 -70
View File
@@ -41,7 +41,7 @@ struct RecordingViewModelTests {
) {
let model = Model()
model.state = initial
model.drive(to: initial)
model.pressedMain()
@@ -58,7 +58,7 @@ struct RecordingViewModelTests {
) {
let model = Model()
model.state = initial
model.drive(to: initial)
model.pressedSend()
@@ -83,7 +83,7 @@ struct RecordingViewModelTests {
) {
let model = Model()
model.state = state
model.drive(to: state)
#expect(model.iconMain == expected)
}
@@ -98,7 +98,7 @@ struct RecordingViewModelTests {
) {
let model = Model()
model.state = state
model.drive(to: state)
#expect(model.iconSend == expected)
}
@@ -113,7 +113,7 @@ struct RecordingViewModelTests {
) {
let model = Model()
model.state = state
model.drive(to: state)
#expect(model.isProcessing == expected)
}
@@ -128,7 +128,7 @@ struct RecordingViewModelTests {
) {
let model = Model()
model.state = state
model.drive(to: state)
#expect(model.shouldDisableMain == expected)
}
@@ -143,7 +143,7 @@ struct RecordingViewModelTests {
) {
let model = Model()
model.state = state
model.drive(to: state)
#expect(model.shouldShowSend == expected)
}
@@ -158,7 +158,7 @@ struct RecordingViewModelTests {
) {
let model = Model()
model.state = state
model.drive(to: state)
#expect(model.shouldShowTimer == expected)
}
@@ -174,28 +174,24 @@ struct RecordingViewModelTests {
@Test func `ticks while recording`() async throws {
let model = Model()
model.state = .recording
model.updatedState(shouldRestartTimer: true)
model.pressedMain()
try await Task.sleep(for: .seconds(1.2))
#expect(model.elapsedSeconds >= 1)
#expect(model.textTimer == "00:01")
model.state = .notRecording
model.updatedState(shouldRestartTimer: false)
model.pressedMain()
}
@Test func `stops while paused`() async throws {
let model = Model()
model.state = .recording
model.updatedState(shouldRestartTimer: true)
model.pressedMain()
try await Task.sleep(for: .seconds(1.2))
model.state = .paused
model.updatedState(shouldRestartTimer: false)
model.pressedMain()
let secondsWhenPaused = model.elapsedSeconds
@@ -208,43 +204,42 @@ struct RecordingViewModelTests {
@Test func `keeps elapsed seconds when resumed`() async throws {
let model = Model()
model.state = .recording
model.updatedState(shouldRestartTimer: true)
model.pressedMain()
try await Task.sleep(for: .seconds(1.2))
model.state = .paused
model.updatedState(shouldRestartTimer: false)
model.pressedMain()
let secondsWhenPaused = model.elapsedSeconds
model.state = .recording
model.updatedState(shouldRestartTimer: false)
model.pressedMain()
#expect(model.elapsedSeconds == secondsWhenPaused)
model.state = .notRecording
model.updatedState(shouldRestartTimer: false)
model.pressedMain()
}
@Test func `restarts for a new recording`() async throws {
let model = Model()
let model = Model(
transcribe: TranscribingMock()
)
model.state = .recording
model.updatedState(shouldRestartTimer: true)
model.pressedMain()
try await Task.sleep(for: .seconds(1.2))
model.state = .paused
model.updatedState(shouldRestartTimer: false)
model.pressedMain()
model.pressedSend()
model.state = .recording
model.updatedState(shouldRestartTimer: true)
try await Task.sleep(for: .seconds(0.5))
#expect(model.state == .notRecording)
model.pressedMain()
#expect(model.elapsedSeconds == 0)
model.state = .notRecording
model.updatedState(shouldRestartTimer: false)
model.pressedMain()
}
}
@@ -259,27 +254,22 @@ struct RecordingViewModelTests {
let capturer = CapturingMock()
let model = Model(capturer: capturer)
model.state = .recording
model.updatedState(shouldRestartTimer: true)
model.pressedMain()
try await Task.sleep(for: .seconds(0.1))
#expect(capturer.countStart == 1)
#expect(capturer.countResume == 0)
model.state = .notRecording
model.updatedState(shouldRestartTimer: false)
model.pressedMain()
}
@Test func `pauses the capture while paused`() async throws {
let capturer = CapturingMock()
let model = Model(capturer: capturer)
model.state = .recording
model.updatedState(shouldRestartTimer: true)
model.state = .paused
model.updatedState(shouldRestartTimer: false)
model.pressedMain()
model.pressedMain()
try await Task.sleep(for: .seconds(0.1))
@@ -290,22 +280,16 @@ struct RecordingViewModelTests {
let capturer = CapturingMock()
let model = Model(capturer: capturer)
model.state = .recording
model.updatedState(shouldRestartTimer: true)
model.state = .paused
model.updatedState(shouldRestartTimer: false)
model.state = .recording
model.updatedState(shouldRestartTimer: false)
model.pressedMain()
model.pressedMain()
model.pressedMain()
try await Task.sleep(for: .seconds(0.1))
#expect(capturer.countStart == 1)
#expect(capturer.countResume == 1)
model.state = .notRecording
model.updatedState(shouldRestartTimer: false)
model.pressedMain()
}
@Test func `stops the capture when the input is sent`() async throws {
@@ -315,8 +299,7 @@ struct RecordingViewModelTests {
transcribe: TranscribingMock()
)
model.state = .processing
model.updatedState(shouldRestartTimer: false)
model.drive(to: .processing)
try await Task.sleep(for: .seconds(0.5))
@@ -330,8 +313,7 @@ struct RecordingViewModelTests {
let model = Model(capturer: capturer)
model.state = .recording
model.updatedState(shouldRestartTimer: true)
model.pressedMain()
try await Task.sleep(for: .seconds(0.1))
@@ -351,18 +333,15 @@ struct RecordingViewModelTests {
transcribe: TranscribingMock()
)
model.state = .recording
model.updatedState(shouldRestartTimer: true)
model.pressedMain()
try await Task.sleep(for: .seconds(1.2))
model.state = .paused
model.updatedState(shouldRestartTimer: false)
model.pressedMain()
#expect(model.elapsedSeconds >= 1)
model.state = .processing
model.updatedState(shouldRestartTimer: false)
model.pressedSend()
try await Task.sleep(for: .seconds(0.5))
@@ -380,8 +359,7 @@ struct RecordingViewModelTests {
transcribe: transcriber
)
model.state = .processing
model.updatedState(shouldRestartTimer: false)
model.drive(to: .processing)
try await Task.sleep(for: .seconds(0.5))
@@ -395,26 +373,50 @@ struct RecordingViewModelTests {
transcribe: TranscribingMock()
)
model.state = .processing
model.updatedState(shouldRestartTimer: false)
model.drive(to: .processing)
try await Task.sleep(for: .seconds(0.5))
#expect(model.transcription != nil)
model.state = .recording
model.updatedState(shouldRestartTimer: true)
model.pressedMain()
#expect(model.transcription == nil)
model.state = .notRecording
model.updatedState(shouldRestartTimer: false)
model.pressedMain()
}
}
}
// MARK: - Helpers
private extension RecordingView.Model {
/// Drives the model from its initial state to the given state through its press handlers, as the view's buttons would.
///
/// - Parameter state: The state to drive the model to.
func drive(
to state: State
) {
switch state {
case .notRecording:
break
case .recording:
pressedMain()
case .paused:
pressedMain()
pressedMain()
case .processing:
pressedMain()
pressedMain()
pressedSend()
}
}
}
// MARK: - Mocks
/// A recording service that counts its invocations and can be configured to fail.