47 lines
1.2 KiB
Swift
47 lines
1.2 KiB
Swift
//
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// Modelable.swift
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// VDS
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//
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// Created by Matt Bruce on 7/22/22.
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//
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import Foundation
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import Combine
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public protocol ModelHandlerable: AnyObject {
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associatedtype ModelType: Modelable
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var model: ModelType { get set }
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var modelPublished: Published<ModelType> { get }
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var modelPublisher: Published<ModelType>.Publisher { get }
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var subscribers: Set<AnyCancellable> { get set }
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init(with model: ModelType)
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func set(with model: ModelType)
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func shouldUpdateView(viewModel: ModelType) -> Bool
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func updateView(viewModel: ModelType)
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}
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extension ModelHandlerable {
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public func set(with model: ModelType) {
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if shouldUpdateView(viewModel: model){
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updateView(viewModel: model)
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self.model = model
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}
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}
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public func setupUpdateView() {
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modelPublisher
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.filter { [weak self] viewModel in
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return self?.shouldUpdateView(viewModel: viewModel) ?? false
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}
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.debounce(for: .seconds(Constants.ModelStateDebounce), scheduler: RunLoop.main)
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.sink { [weak self] viewModel in
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self?.updateView(viewModel: viewModel)
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}
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.store(in: &subscribers)
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}
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}
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