Ilya Puchka
76 lines
2.9 KiB
Swift
76 lines
2.9 KiB
Swift
//
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// DependencyContainers.swift
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// Dip
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//
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// Created by Olivier Halligon on 10/10/2015.
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// Copyright © 2015 AliSoftware. All rights reserved.
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//
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import Foundation
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import Dip
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// MARK: Configuration
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/* Change this to toggle between real and fake data */
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private let FAKE_PERSONS = false
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private let FAKE_STARSHIPS = false
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/* ---- */
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enum DependencyTags: Int, DependencyTagConvertible {
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case Hardcoded
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case Dummy
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}
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// MARK: Dependency Container for Providers
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func configure(container dip: DependencyContainer) {
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// Register the NetworkLayer, same for everyone here (but we have the ability to register a different one for a specific WebService if we wanted to)
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dip.register(.singleton) { URLSessionNetworkLayer(baseURL: "http://swapi.co/api/")! as NetworkLayer }
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if FAKE_PERSONS {
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// 1) Register fake persons provider
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//Here we use constructor injection for one of the dependencies property injection for another, and we provide dependencies manually
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dip.register() { FakePersonsProvider(dummyProvider: DummyPilotProvider()) as PersonProviderAPI }
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.resolvingProperties { (_, resolved: PersonProviderAPI) in
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//here we resolve optional dependencies
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//see what happens when you comment this out
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(resolved as! FakePersonsProvider).plistProvider = PlistPersonProvider(plist: "mainPilot")
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}
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} else {
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// 1) Register the SWAPIPersonProvider (that hits the real swapi.co WebService)
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// Here we use constructor injection again, but let the container to resolve dependency for us
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dip.register() { SWAPIPersonProvider(webService: try dip.resolve()) as PersonProviderAPI }
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}
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if FAKE_STARSHIPS {
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// 2) Register fake starships provider
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//Here we register different implementations for the same protocol using tags
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dip.register(tag: DependencyTags.Hardcoded) { HardCodedStarshipProvider() as StarshipProviderAPI }
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//Here we register factory that will require a runtime argument
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dip.register(tag: DependencyTags.Dummy) { DummyStarshipProvider(pilotName: $0) as StarshipProviderAPI }
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//Here we use constructor injection, but instead of providing dependencies manually container resolves them for us
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dip.register() {
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FakeStarshipProvider(
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dummyProvider: try dip.resolve(tag: DependencyTags.Dummy, arguments: "Main Pilot"),
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hardCodedProvider: try dip.resolve(tag: DependencyTags.Hardcoded)) as StarshipProviderAPI
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}
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} else {
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// 2) Register the SWAPIStarshipProvider (that hits the real swapi.co WebService)
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// Here we use constructor injection again, but let the container to resolve dependency for us
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dip.register() { SWAPIStarshipProvider(webService: try dip.resolve()) as StarshipProviderAPI }
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}
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}
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