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https://github.com/cranci1/Sora.git
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416 lines
17 KiB
Swift
416 lines
17 KiB
Swift
//
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// JSController.swift
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// Sora
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//
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// Created by Francesco on 05/01/25.
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//
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import JavaScriptCore
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class JSController: ObservableObject {
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private var context: JSContext
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init() {
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self.context = JSContext()
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setupContext()
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}
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private func setupContext() {
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let logFunction: @convention(block) (String) -> Void = { message in
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Logger.shared.log("JavaScript log: \(message)", level: .info)
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}
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context.setObject(logFunction, forKeyedSubscript: "log" as NSString)
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// Override console.log
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let consoleLogOverride = """
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var console = {
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log: function() {
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var message = Array.from(arguments).map(String).join(" ");
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log(message);
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}
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};
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"""
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context.evaluateScript(consoleLogOverride)
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// Add other JavaScript functions like fetchNative
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let fetchNativeFunction: @convention(block) (String, JSValue, JSValue) -> Void = { urlString, resolve, reject in
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guard let url = URL(string: urlString) else {
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Logger.shared.log("Invalid URL", level: .error)
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reject.call(withArguments: ["Invalid URL"])
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return
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}
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let task = URLSession.shared.dataTask(with: url) { data, _, error in
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if let error = error {
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Logger.shared.log("Network error in fetchNative: \(error.localizedDescription)", level: .error)
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reject.call(withArguments: [error.localizedDescription])
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return
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}
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guard let data = data, let text = String(data: data, encoding: .utf8) else {
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Logger.shared.log("Failed to decode response data", level: .error)
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reject.call(withArguments: ["Failed to decode response data"])
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return
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}
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resolve.call(withArguments: [text])
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}
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task.resume()
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}
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context.setObject(fetchNativeFunction, forKeyedSubscript: "fetchNative" as NSString)
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let fetchDefinition = """
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function fetch(url) {
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return new Promise(function(resolve, reject) {
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fetchNative(url, resolve, reject);
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});
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}
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"""
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context.evaluateScript(fetchDefinition)
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}
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func loadScript(_ script: String) {
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context = JSContext()
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setupContext()
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context.evaluateScript(script)
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}
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func fetchSearchResults(keyword: String, module: ScrapingModule, completion: @escaping ([SearchItem]) -> Void) {
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let searchUrl = module.metadata.searchBaseUrl.replacingOccurrences(of: "%s", with: keyword.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) ?? "")
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guard let url = URL(string: searchUrl) else {
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completion([])
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return
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}
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URLSession.custom.dataTask(with: url) { [weak self] data, _, error in
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guard let self = self else { return }
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if let error = error {
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Logger.shared.log("Network error: \(error)")
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DispatchQueue.main.async { completion([]) }
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return
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}
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guard let data = data, let html = String(data: data, encoding: .utf8) else {
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Logger.shared.log("Failed to decode HTML")
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DispatchQueue.main.async { completion([]) }
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return
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}
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Logger.shared.log(html)
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if let parseFunction = self.context.objectForKeyedSubscript("searchResults"),
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let results = parseFunction.call(withArguments: [html]).toArray() as? [[String: String]] {
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let resultItems = results.map { item in
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SearchItem(
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title: item["title"] ?? "",
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imageUrl: item["image"] ?? "",
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href: item["href"] ?? ""
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)
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}
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DispatchQueue.main.async {
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completion(resultItems)
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}
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} else {
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Logger.shared.log("Failed to parse results")
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DispatchQueue.main.async { completion([]) }
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}
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}.resume()
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}
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func fetchDetails(url: String, completion: @escaping ([MediaItem], [EpisodeLink]) -> Void) {
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guard let url = URL(string: url) else {
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completion([], [])
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return
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}
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URLSession.custom.dataTask(with: url) { [weak self] data, _, error in
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guard let self = self else { return }
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if let error = error {
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Logger.shared.log("Network error: \(error)")
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DispatchQueue.main.async { completion([], []) }
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return
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}
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guard let data = data, let html = String(data: data, encoding: .utf8) else {
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Logger.shared.log("Failed to decode HTML")
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DispatchQueue.main.async { completion([], []) }
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return
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}
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var resultItems: [MediaItem] = []
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var episodeLinks: [EpisodeLink] = []
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Logger.shared.log(html)
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if let parseFunction = self.context.objectForKeyedSubscript("extractDetails"),
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let results = parseFunction.call(withArguments: [html]).toArray() as? [[String: String]] {
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resultItems = results.map { item in
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MediaItem(
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description: item["description"] ?? "",
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aliases: item["aliases"] ?? "",
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airdate: item["airdate"] ?? ""
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)
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}
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} else {
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Logger.shared.log("Failed to parse results")
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}
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if let fetchEpisodesFunction = self.context.objectForKeyedSubscript("extractEpisodes"),
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let episodesResult = fetchEpisodesFunction.call(withArguments: [html]).toArray() as? [[String: String]] {
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for episodeData in episodesResult {
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if let num = episodeData["number"], let link = episodeData["href"], let number = Int(num) {
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episodeLinks.append(EpisodeLink(number: number, href: link))
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}
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}
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}
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DispatchQueue.main.async {
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completion(resultItems, episodeLinks)
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}
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}.resume()
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}
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func fetchStreamUrl(episodeUrl: String, completion: @escaping (String?) -> Void) {
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guard let url = URL(string: episodeUrl) else {
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completion(nil)
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return
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}
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URLSession.custom.dataTask(with: url) { [weak self] data, _, error in
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guard let self = self else { return }
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if let error = error {
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Logger.shared.log("Network error: \(error)")
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DispatchQueue.main.async { completion(nil) }
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return
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}
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guard let data = data, let html = String(data: data, encoding: .utf8) else {
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Logger.shared.log("Failed to decode HTML")
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DispatchQueue.main.async { completion(nil) }
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return
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}
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Logger.shared.log(html)
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if let parseFunction = self.context.objectForKeyedSubscript("extractStreamUrl"),
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let streamUrl = parseFunction.call(withArguments: [html]).toString() {
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Logger.shared.log("Staring stream from: \(streamUrl)", level: .info)
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DispatchQueue.main.async {
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completion(streamUrl)
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}
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} else {
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Logger.shared.log("Failed to extract stream URL")
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DispatchQueue.main.async { completion(nil) }
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}
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}.resume()
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}
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func fetchJsSearchResults(keyword: String, module: ScrapingModule, completion: @escaping ([SearchItem]) -> Void) {
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if let exception = context.exception {
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Logger.shared.log("JavaScript exception: \(exception)")
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completion([])
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return
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}
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guard let searchResultsFunction = context.objectForKeyedSubscript("searchResults") else {
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Logger.shared.log("No JavaScript function searchResults found")
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completion([])
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return
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}
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let promiseValue = searchResultsFunction.call(withArguments: [keyword])
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guard let promise = promiseValue else {
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Logger.shared.log("searchResults did not return a Promise")
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completion([])
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return
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}
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let thenBlock: @convention(block) (JSValue) -> Void = { result in
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Logger.shared.log(result.toString())
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if let jsonString = result.toString(),
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let data = jsonString.data(using: .utf8) {
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do {
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if let array = try JSONSerialization.jsonObject(with: data, options: []) as? [[String: Any]] {
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let resultItems = array.map { item -> SearchItem in
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let title = item["title"] as? String ?? ""
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let imageUrl = item["image"] as? String ?? "https://s4.anilist.co/file/anilistcdn/character/large/default.jpg"
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let href = item["href"] as? String ?? ""
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return SearchItem(title: title, imageUrl: imageUrl, href: href)
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}
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DispatchQueue.main.async {
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completion(resultItems)
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}
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} else {
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Logger.shared.log("Failed to parse JSON", level: .error)
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DispatchQueue.main.async {
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completion([])
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}
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}
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} catch {
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Logger.shared.log("JSON parsing error: \(error)", level: .error)
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DispatchQueue.main.async {
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completion([])
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}
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}
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} else {
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Logger.shared.log("Result is not a string")
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DispatchQueue.main.async {
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completion([])
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}
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}
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}
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let catchBlock: @convention(block) (JSValue) -> Void = { error in
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Logger.shared.log("Promise rejected: \(String(describing: error.toString()))")
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DispatchQueue.main.async {
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completion([])
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}
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}
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let thenFunction = JSValue(object: thenBlock, in: context)
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let catchFunction = JSValue(object: catchBlock, in: context)
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promise.invokeMethod("then", withArguments: [thenFunction as Any])
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promise.invokeMethod("catch", withArguments: [catchFunction as Any])
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}
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func fetchDetailsJS(url: String, completion: @escaping ([MediaItem], [EpisodeLink]) -> Void) {
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guard let url = URL(string: url) else {
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completion([], [])
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return
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}
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if let exception = context.exception {
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Logger.shared.log("JavaScript exception: \(exception)")
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completion([], [])
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return
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}
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guard let extractDetailsFunction = context.objectForKeyedSubscript("extractDetails") else {
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Logger.shared.log("No JavaScript function extractDetails found")
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completion([], [])
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return
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}
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guard let extractEpisodesFunction = context.objectForKeyedSubscript("extractEpisodes") else {
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Logger.shared.log("No JavaScript function extractEpisodes found")
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completion([], [])
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return
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}
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var resultItems: [MediaItem] = []
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var episodeLinks: [EpisodeLink] = []
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let promiseValueDetails = extractDetailsFunction.call(withArguments: [url.absoluteString])
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guard let promiseDetails = promiseValueDetails else {
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Logger.shared.log("extractDetails did not return a Promise")
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completion([], [])
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return
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}
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let thenBlockDetails: @convention(block) (JSValue) -> Void = { result in
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Logger.shared.log(result.toString())
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if let jsonOfDetails = result.toString(),
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let dataDetails = jsonOfDetails.data(using: .utf8) {
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do {
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if let array = try JSONSerialization.jsonObject(with: dataDetails, options: []) as? [[String: Any]] {
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resultItems = array.map { item -> MediaItem in
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let description = item["description"] as? String ?? ""
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let aliases = item["aliases"] as? String ?? ""
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let airdate = item["airdate"] as? String ?? ""
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return MediaItem(description: description, aliases: aliases, airdate: airdate)
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}
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} else {
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Logger.shared.log("Failed to parse JSON of extractDetails")
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DispatchQueue.main.async {
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completion([], [])
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}
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}
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} catch {
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Logger.shared.log("JSON parsing error of extract details: \(error)")
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DispatchQueue.main.async {
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completion([], [])
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}
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}
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} else {
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Logger.shared.log("Result is not a string of extractDetails")
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DispatchQueue.main.async {
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completion([], [])
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}
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}
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}
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let catchBlockDetails: @convention(block) (JSValue) -> Void = { error in
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Logger.shared.log("Promise rejected of extractDetails: \(String(describing: error.toString()))")
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DispatchQueue.main.async {
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completion([], [])
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}
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}
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let thenFunctionDetails = JSValue(object: thenBlockDetails, in: context)
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let catchFunctionDetails = JSValue(object: catchBlockDetails, in: context)
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promiseDetails.invokeMethod("then", withArguments: [thenFunctionDetails as Any])
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promiseDetails.invokeMethod("catch", withArguments: [catchFunctionDetails as Any])
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let promiseValueEpisodes = extractEpisodesFunction.call(withArguments: [url.absoluteString])
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guard let promiseEpisodes = promiseValueEpisodes else {
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Logger.shared.log("extractEpisodes did not return a Promise")
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completion([], [])
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return
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}
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let thenBlockEpisodes: @convention(block) (JSValue) -> Void = { result in
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Logger.shared.log(result.toString())
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if let jsonOfEpisodes = result.toString(),
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let dataEpisodes = jsonOfEpisodes.data(using: .utf8) {
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do {
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if let array = try JSONSerialization.jsonObject(with: dataEpisodes, options: []) as? [[String: Any]] {
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episodeLinks = array.map { item -> EpisodeLink in
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let number = item["number"] as? Int ?? 0
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let href = item["href"] as? String ?? ""
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return EpisodeLink(number: number, href: href)
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}
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DispatchQueue.main.async {
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completion(resultItems, episodeLinks)
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}
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} else {
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Logger.shared.log("Failed to parse JSON of extractEpisodes")
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DispatchQueue.main.async {
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completion([], [])
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}
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}
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} catch {
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Logger.shared.log("JSON parsing error of extractEpisodes: \(error)")
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DispatchQueue.main.async {
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completion([], [])
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}
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}
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} else {
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Logger.shared.log("Result is not a string of extractEpisodes")
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DispatchQueue.main.async {
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completion([], [])
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}
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}
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}
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let catchBlockEpisodes: @convention(block) (JSValue) -> Void = { error in
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Logger.shared.log("Promise rejected of extractEpisodes: \(String(describing: error.toString()))")
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DispatchQueue.main.async {
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completion([], [])
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}
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}
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let thenFunctionEpisodes = JSValue(object: thenBlockEpisodes, in: context)
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let catchFunctionEpisodes = JSValue(object: catchBlockEpisodes, in: context)
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promiseEpisodes.invokeMethod("then", withArguments: [thenFunctionEpisodes as Any])
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promiseEpisodes.invokeMethod("catch", withArguments: [catchFunctionEpisodes as Any])
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}
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}
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