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//
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// RouteComposer
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// ContextTaskBox.swift
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// https://github.com/ekazaev/route-composer
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//
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// Created by Eugene Kazaev in 2018-2022.
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// Distributed under the MIT license.
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//
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// Become a sponsor:
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// https://github.com/sponsors/ekazaev
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//
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import Foundation
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import UIKit
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struct ContextTaskBox<CT: ContextTask>: AnyContextTask, PreparableEntity, MainThreadChecking, CustomStringConvertible {
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var contextTask: CT
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var isPrepared = false
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init(_ contextTask: CT) {
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self.contextTask = contextTask
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}
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mutating func prepare(with context: AnyContext) throws {
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let typedContext: CT.Context = try context.value()
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try contextTask.prepare(with: typedContext)
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isPrepared = true
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}
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func perform(on viewController: UIViewController, with context: AnyContext) throws {
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guard let typedViewController = viewController as? CT.ViewController else {
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throw RoutingError.typeMismatch(type: type(of: context),
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expectedType: CT.Context.self,
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.init("\(String(describing: contextTask.self)) does not accept \(String(describing: context.self)) as a context."))
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}
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let typedContext: CT.Context = try context.value()
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assertIfNotMainThread()
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assertIfNotPrepared()
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try contextTask.perform(on: typedViewController, with: typedContext)
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}
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var description: String {
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String(describing: contextTask)
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}
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}
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