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Merge pull request #1 from ra1028/example-themoviedb
Add an example app using the movie DB API
2 parents 9b1b3ff + c5b2125 commit 00a61c2

17 files changed

+739
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‎.github/workflows/test.yml

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- name: Build for watchOS
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run: set -o pipefail && xcodebuild build -scheme Hooks -configuration Release -sdk watchsimulator -destination 'platform=watchOS Simulator,name=Apple Watch Series 6 - 44mm' ENABLE_TESTABILITY=YES | xcpretty -c
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- name: Build TheMovieDBExample
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run: set -o pipefail && xcodebuild build -scheme TheMovieDBExample -configuration Release -sdk iphonesimulator -destination 'platform=iOS Simulator,name=iPhone 12 Pro' ENABLE_TESTABILITY=YES | xcpretty -c
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- name: Build BasicExample
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run: set -o pipefail && xcodebuild build -scheme BasicExample -configuration Release -sdk iphonesimulator -destination 'platform=iOS Simulator,name=iPhone 12 Pro' ENABLE_TESTABILITY=YES | xcpretty -c
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‎.swift-format.json

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"NoVoidReturnOnFunctionSignature": true,
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"OneCasePerLine": true,
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"OneVariableDeclarationPerLine": true,
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"OnlyOneTrailingClosureArgument": true,
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"OnlyOneTrailingClosureArgument": false,
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"OrderedImports": true,
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"ReturnVoidInsteadOfEmptyTuple": true,
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"UseLetInEveryBoundCaseVariable": true,

‎Examples/TheMovieDB/App.swift

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import SwiftUI
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@main
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struct TheMovieDBApp: App {
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var body: some Scene {
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WindowGroup {
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TopRatedMoviesPage()
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}
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}
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}

‎Examples/TheMovieDB/CustomHooks/UseFetch.swift

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import Foundation
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import Hooks
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func useFetch<Response: Decodable>(
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_: Response.Type,
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path: String,
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parameters: [String: String] = [:],
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onReceiveResponse: ((Response) -> Void)? = nil
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) -> (status: AsyncStatus<Response, URLError>, fetch: () -> Void) {
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func makeURLRequest() -> URLRequest {
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let url = URL(string: "https://api.themoviedb.org/3").unsafelyUnwrapped.appendingPathComponent(path)
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var urlComponents = URLComponents(url: url, resolvingAgainstBaseURL: true).unsafelyUnwrapped
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urlComponents.queryItems = [
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URLQueryItem(name: "api_key", value: "3de15b0402484d3d089399ea0b8d98f1")
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]
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for (name, value) in parameters {
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urlComponents.queryItems?.append(URLQueryItem(name: name, value: value))
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}
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var urlRequest = URLRequest(url: urlComponents.url.unsafelyUnwrapped)
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urlRequest.httpMethod = "GET"
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return urlRequest
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}
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let (status, subscribe) = usePublisherSubscribe {
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URLSession.shared.dataTaskPublisher(for: makeURLRequest())
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.map(\.data)
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.decode(type: Response.self, decoder: jsonDecoder)
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.mapError { $0 as? URLError ?? URLError(.cannotDecodeContentData) }
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.receive(on: DispatchQueue.main)
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.handleEvents(receiveOutput: onReceiveResponse)
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}
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return (status: status, fetch: subscribe)
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}
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private let jsonDecoder: JSONDecoder = {
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let formatter = DateFormatter()
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let decoder = JSONDecoder()
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formatter.dateFormat = "yyy-MM-dd"
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decoder.keyDecodingStrategy = .convertFromSnakeCase
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decoder.dateDecodingStrategy = .formatted(formatter)
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return decoder
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}()

‎Examples/TheMovieDB/CustomHooks/UseFetchPage.swift

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import Foundation
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import Hooks
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func useFetchPage<Response: Decodable>(
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_: Response.Type,
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path: String,
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parameters: [String: String] = [:]
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) -> (status: AsyncStatus<[Response], URLError>, fetch: () -> Void) {
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let page = useRef(0)
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let results = useRef([Response]())
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var parameters = parameters
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parameters["page"] = String(page.current + 1)
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let (status, fetch) = useFetch(PagedResponse<Response>.self, path: path, parameters: parameters) { response in
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page.current = response.page
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results.current += response.results
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}
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guard page.current == 0 else {
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return (status: .success(results.current), fetch: fetch)
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}
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switch status {
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case .pending:
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return (status: .pending, fetch: fetch)
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case .running:
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return (status: .running, fetch: fetch)
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case .success:
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return (status: .success(results.current), fetch: fetch)
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case .failure(let error):
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return (status: .failure(error), fetch: fetch)
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}
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}

‎Examples/TheMovieDB/CustomHooks/UseFetchTopRatedMovies.swift

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import Foundation
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import Hooks
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func useFetchTopRatedMovies() -> (status: AsyncStatus<[Movie], URLError>, fetch: () -> Void) {
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useFetchPage(Movie.self, path: "movie/top_rated")
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}

‎Examples/TheMovieDB/CustomHooks/UseNetworkImage.swift

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import Combine
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import Hooks
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import UIKit
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func useNetworkImage(for path: String, size: NetworkImageSize) -> UIImage? {
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func makeURL() -> URL {
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URL(string: "https://image.tmdb.org/t/p/\(size.rawValue)").unsafelyUnwrapped.appendingPathComponent(path)
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}
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let status = usePublisher(.preserved(by: [path, size.rawValue])) {
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URLSession.shared.dataTaskPublisher(for: makeURL())
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.map { data, _ in UIImage(data: data) }
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.catch { _ in Just(nil) }
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.receive(on: DispatchQueue.main)
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}
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switch status {
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case .success(let image):
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return image
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case .failure, .pending, .running:
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return nil
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}
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}

‎Examples/TheMovieDB/Entity/Movie.swift

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import Foundation
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struct Movie: Codable, Identifiable {
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let id: Int
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let title: String
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let overview: String
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let posterPath: String
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let backdropPath: String
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let voteAverage: Float
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let releaseDate: Date
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}

‎Examples/TheMovieDB/Entity/NetworkImageSize.swift

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enum NetworkImageSize: String {
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case original
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case small = "w154"
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case medium = "w500"
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case cast = "w185"
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}

‎Examples/TheMovieDB/Entity/PagedResponse.swift

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struct PagedResponse<T: Decodable>: Decodable {
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let page: Int
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let results: [T]
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}

‎Examples/TheMovieDB/Info.plist

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>CFBundleDevelopmentRegion</key>
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<string>$(DEVELOPMENT_LANGUAGE)</string>
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<key>CFBundleExecutable</key>
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<string>$(EXECUTABLE_NAME)</string>
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<key>CFBundleIdentifier</key>
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<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
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<key>CFBundleInfoDictionaryVersion</key>
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<string>6.0</string>
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<key>CFBundleName</key>
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<string>$(PRODUCT_NAME)</string>
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<key>CFBundlePackageType</key>
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<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
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<key>CFBundleShortVersionString</key>
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<string>1.0</string>
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<key>CFBundleVersion</key>
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<string>1</string>
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<key>LSRequiresIPhoneOS</key>
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<true/>
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<key>UIApplicationSceneManifest</key>
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<dict>
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<key>UIApplicationSupportsMultipleScenes</key>
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<true/>
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</dict>
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<key>UIApplicationSupportsIndirectInputEvents</key>
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<true/>
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<key>UILaunchScreen</key>
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<dict/>
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<key>UIRequiredDeviceCapabilities</key>
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<array>
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<string>armv7</string>
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</array>
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<key>UISupportedInterfaceOrientations</key>
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<array>
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<string>UIInterfaceOrientationPortrait</string>
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<string>UIInterfaceOrientationLandscapeLeft</string>
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<string>UIInterfaceOrientationLandscapeRight</string>
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</array>
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<key>UISupportedInterfaceOrientations~ipad</key>
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<array>
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<string>UIInterfaceOrientationPortrait</string>
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<string>UIInterfaceOrientationPortraitUpsideDown</string>
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<string>UIInterfaceOrientationLandscapeLeft</string>
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<string>UIInterfaceOrientationLandscapeRight</string>
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</array>
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</dict>
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</plist>

‎Examples/TheMovieDB/MovieDetailPage.swift

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import Hooks
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import SwiftUI
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struct MovieDetailPage: HookView {
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let movie: Movie
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var hookBody: some View {
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ScrollView {
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VStack(alignment: .leading, spacing: 24) {
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ZStack(alignment: .topLeading) {
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backdropImage
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closeButton
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HStack(alignment: .top) {
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posterImage
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Text(movie.title)
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.font(.title)
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.fontWeight(.heavy)
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.foregroundColor(Color(.label))
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.colorInvert()
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.padding(8)
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.shadow(radius: 4, y: 2)
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}
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.padding(.top, 70)
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.padding(.horizontal, 16)
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}
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VStack(alignment: .leading, spacing: 16) {
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informationSection
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overviewSection
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}
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.padding(.horizontal, 16)
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.padding(.bottom, 24)
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}
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}
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.background(Color(.secondarySystemBackground).ignoresSafeArea())
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}
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@ViewBuilder
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var closeButton: some View {
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let presentation = useEnvironment(\.presentationMode)
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Button(action: { presentation.wrappedValue.dismiss() }) {
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ZStack {
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Color(.systemGray)
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.opacity(0.4)
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.clipShape(Circle())
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.frame(width: 34, height: 34)
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Image(systemName: "xmark")
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.imageScale(.large)
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.font(Font.subheadline.bold())
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.foregroundColor(Color(.systemGray))
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}
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.padding(16)
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}
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}
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@ViewBuilder
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var backdropImage: some View {
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let image = useNetworkImage(for: movie.backdropPath, size: .medium)
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ZStack {
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Color(.systemGroupedBackground)
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if let image = image {
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Image(uiImage: image)
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.resizable()
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.aspectRatio(contentMode: .fill)
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}
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Color(.systemBackground).colorInvert().opacity(0.8)
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}
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.aspectRatio(CGSize(width: 5, height: 2), contentMode: .fit)
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}
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@ViewBuilder
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var posterImage: some View {
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let image = useNetworkImage(for: movie.posterPath, size: .medium)
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ZStack {
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Color(.systemGroupedBackground)
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if let image = image {
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Image(uiImage: image)
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.resizable()
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.aspectRatio(contentMode: .fill)
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}
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}
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.frame(width: 150, height: 230)
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.cornerRadius(8)
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.shadow(radius: 4, y: 2)
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}
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var informationSection: some View {
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HStack {
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Text(Int(movie.voteAverage * 10).description)
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.bold()
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.font(.title)
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.foregroundColor(Color(.systemGreen))
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+ Text("%")
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.bold()
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.font(.caption)
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.foregroundColor(Color(.systemGreen))
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Text(DateFormatter.shared.string(from: movie.releaseDate))
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.font(.headline)
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.foregroundColor(Color(.secondaryLabel))
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}
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}
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var overviewSection: some View {
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VStack(alignment: .leading, spacing: 8) {
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Text("Overview")
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.font(.title)
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.bold()
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Text(movie.overview)
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.font(.system(size: 24))
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.foregroundColor(Color(.secondaryLabel))
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}
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}
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}
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private extension DateFormatter {
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static let shared: DateFormatter = {
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let formatter = DateFormatter()
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formatter.dateStyle = .medium
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formatter.timeStyle = .none
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return formatter
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}()
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}

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