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//
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// RouteComposer
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// ConvertingStep.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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struct ConvertingStep<CT: ContextTransformer>: RoutingStep,
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ChainableStep,
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PerformableStep {
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private let contextTransformer: CT
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private var previousStep: RoutingStep?
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init(contextTransformer: CT, previousStep: RoutingStep?) {
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self.contextTransformer = contextTransformer
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self.previousStep = previousStep
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}
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func getPreviousStep(with context: AnyContext) -> RoutingStep? {
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return previousStep
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}
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func perform(with context: AnyContext) throws -> PerformableStepResult {
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let typedContext: CT.SourceContext = try context.value()
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let newContext = try contextTransformer.transform(typedContext)
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return .updateContext(AnyContextBox(newContext))
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}
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}
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