a67559299a
* Update the template screen to use the new(ish) Observation framework. * Add a variant of deferFulfillment that supports observables. * Update snapshot fulfilment to work with either a publisher or a stream.
48 lines
1.7 KiB
Swift
48 lines
1.7 KiB
Swift
//
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// Copyright 2022-2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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// Please see LICENSE files in the repository root for full details.
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//
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import Combine
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import SwiftUI
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typealias TemplateScreenViewModelType = StateStoreViewModelV2<TemplateScreenViewState, TemplateScreenViewAction>
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class TemplateScreenViewModel: TemplateScreenViewModelType, TemplateScreenViewModelProtocol {
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private let actionsSubject: PassthroughSubject<TemplateScreenViewModelAction, Never> = .init()
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var actionsPublisher: AnyPublisher<TemplateScreenViewModelAction, Never> {
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actionsSubject.eraseToAnyPublisher()
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}
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init() {
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super.init(initialViewState: TemplateScreenViewState(title: "Template title",
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placeholder: "Enter something here",
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bindings: .init(composerText: "Initial composer text")))
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}
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// MARK: - Public
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override func process(viewAction: TemplateScreenViewAction) {
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MXLog.info("View model: received view action: \(viewAction)")
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switch viewAction {
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case .done:
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actionsSubject.send(.done)
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case .textChanged:
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MXLog.info("View model: composer text changed to: \(state.bindings.composerText)")
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case .incrementCounter:
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Task {
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try await Task.sleep(for: .seconds(.random(in: 1.0...2.0)))
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state.counter += 1
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}
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case .decrementCounter:
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Task {
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try await Task.sleep(for: .seconds(.random(in: 1.0...2.0)))
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state.counter -= 1
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}
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}
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}
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}
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