mirror of
https://github.com/yattee/yattee.git
synced 2024-11-10 08:18:19 +00:00
459 lines
16 KiB
Swift
459 lines
16 KiB
Swift
import AVFoundation
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import Foundation
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import Siesta
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import SwiftyJSON
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final class PipedAPI: Service, ObservableObject, VideosAPI {
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static var authorizedEndpoints = ["subscriptions", "subscribe", "unsubscribe"]
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@Published var account: Account!
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init(account: Account? = nil) {
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super.init()
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guard account != nil else {
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return
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}
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setAccount(account!)
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}
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func setAccount(_ account: Account) {
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self.account = account
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configure()
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}
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func configure() {
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invalidateConfiguration()
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configure {
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$0.pipeline[.parsing].add(SwiftyJSONTransformer, contentTypes: ["*/json"])
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}
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configure(whenURLMatches: { url in self.needsAuthorization(url) }) {
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$0.headers["Authorization"] = self.account.token
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}
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configureTransformer(pathPattern("channel/*")) { (content: Entity<JSON>) -> Channel? in
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self.extractChannel(from: content.json)
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}
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configureTransformer(pathPattern("playlists/*")) { (content: Entity<JSON>) -> ChannelPlaylist? in
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self.extractChannelPlaylist(from: content.json)
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}
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configureTransformer(pathPattern("streams/*")) { (content: Entity<JSON>) -> Video? in
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self.extractVideo(from: content.json)
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}
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configureTransformer(pathPattern("trending")) { (content: Entity<JSON>) -> [Video] in
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self.extractVideos(from: content.json)
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}
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configureTransformer(pathPattern("search")) { (content: Entity<JSON>) -> SearchPage in
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let nextPage = content.json.dictionaryValue["nextpage"]?.stringValue
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return SearchPage(
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results: self.extractContentItems(from: content.json.dictionaryValue["items"]!),
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nextPage: nextPage,
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last: nextPage == "null"
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)
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}
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configureTransformer(pathPattern("suggestions")) { (content: Entity<JSON>) -> [String] in
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content.json.arrayValue.map(String.init)
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}
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configureTransformer(pathPattern("subscriptions")) { (content: Entity<JSON>) -> [Channel] in
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content.json.arrayValue.map { self.extractChannel(from: $0)! }
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}
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configureTransformer(pathPattern("feed")) { (content: Entity<JSON>) -> [Video] in
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content.json.arrayValue.map { self.extractVideo(from: $0)! }
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}
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configureTransformer(pathPattern("comments/*")) { (content: Entity<JSON>) -> CommentsPage in
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let details = content.json.dictionaryValue
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let comments = details["comments"]?.arrayValue.map { self.extractComment(from: $0)! } ?? []
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let nextPage = details["nextpage"]?.stringValue
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let disabled = details["disabled"]?.boolValue ?? false
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return CommentsPage(comments: comments, nextPage: nextPage, disabled: disabled)
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}
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if account.token.isNil {
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updateToken()
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}
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}
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func needsAuthorization(_ url: URL) -> Bool {
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Self.authorizedEndpoints.contains { url.absoluteString.contains($0) }
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}
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func updateToken() {
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guard !account.anonymous else {
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return
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}
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account.token = nil
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login.request(
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.post,
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json: ["username": account.username, "password": account.password]
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)
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.onSuccess { response in
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self.account.token = response.json.dictionaryValue["token"]?.string ?? ""
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self.configure()
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}
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}
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var login: Resource {
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resource(baseURL: account.url, path: "login")
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}
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func channel(_ id: String) -> Resource {
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resource(baseURL: account.url, path: "channel/\(id)")
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}
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func channelVideos(_ id: String) -> Resource {
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channel(id)
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}
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func channelPlaylist(_ id: String) -> Resource? {
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resource(baseURL: account.url, path: "playlists/\(id)")
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}
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func trending(country: Country, category _: TrendingCategory? = nil) -> Resource {
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resource(baseURL: account.instance.apiURL, path: "trending")
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.withParam("region", country.rawValue)
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}
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func search(_ query: SearchQuery, page: String?) -> Resource {
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let path = page.isNil ? "search" : "nextpage/search"
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let resource = resource(baseURL: account.instance.apiURL, path: path)
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.withParam("q", query.query)
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.withParam("filter", "all")
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if page.isNil {
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return resource
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}
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return resource.withParam("nextpage", page)
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}
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func searchSuggestions(query: String) -> Resource {
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resource(baseURL: account.instance.apiURL, path: "suggestions")
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.withParam("query", query.lowercased())
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}
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func video(_ id: Video.ID) -> Resource {
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resource(baseURL: account.instance.apiURL, path: "streams/\(id)")
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}
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var signedIn: Bool {
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!account.anonymous && !(account.token?.isEmpty ?? true)
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}
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var subscriptions: Resource? {
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resource(baseURL: account.instance.apiURL, path: "subscriptions")
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}
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var feed: Resource? {
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resource(baseURL: account.instance.apiURL, path: "feed")
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.withParam("authToken", account.token)
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}
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var home: Resource? { nil }
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var popular: Resource? { nil }
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var playlists: Resource? { nil }
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func subscribe(_ channelID: String, onCompletion: @escaping () -> Void = {}) {
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resource(baseURL: account.instance.apiURL, path: "subscribe")
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.request(.post, json: ["channelId": channelID])
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.onCompletion { _ in onCompletion() }
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}
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func unsubscribe(_ channelID: String, onCompletion: @escaping () -> Void = {}) {
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resource(baseURL: account.instance.apiURL, path: "unsubscribe")
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.request(.post, json: ["channelId": channelID])
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.onCompletion { _ in onCompletion() }
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}
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func playlist(_: String) -> Resource? { nil }
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func playlistVideo(_: String, _: String) -> Resource? { nil }
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func playlistVideos(_: String) -> Resource? { nil }
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func comments(_ id: Video.ID, page: String?) -> Resource? {
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let path = page.isNil ? "comments/\(id)" : "nextpage/comments/\(id)"
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let resource = resource(baseURL: account.url, path: path)
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if page.isNil {
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return resource
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}
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return resource.withParam("nextpage", page)
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}
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private func pathPattern(_ path: String) -> String {
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"**\(path)"
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}
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private func extractContentItem(from content: JSON) -> ContentItem? {
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let details = content.dictionaryValue
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let url: String! = details["url"]?.string
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let contentType: ContentItem.ContentType
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if !url.isNil {
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if url.contains("/playlist") {
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contentType = .playlist
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} else if url.contains("/channel") {
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contentType = .channel
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} else {
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contentType = .video
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}
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} else {
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contentType = .video
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}
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switch contentType {
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case .video:
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if let video = extractVideo(from: content) {
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return ContentItem(video: video)
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}
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case .playlist:
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if let playlist = extractChannelPlaylist(from: content) {
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return ContentItem(playlist: playlist)
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}
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case .channel:
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if let channel = extractChannel(from: content) {
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return ContentItem(channel: channel)
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}
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}
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return nil
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}
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private func extractContentItems(from content: JSON) -> [ContentItem] {
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content.arrayValue.compactMap { extractContentItem(from: $0) }
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}
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private func extractChannel(from content: JSON) -> Channel? {
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let attributes = content.dictionaryValue
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guard let id = attributes["id"]?.stringValue ??
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(attributes["url"] ?? attributes["uploaderUrl"])?.stringValue.components(separatedBy: "/").last
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else {
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return nil
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}
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let subscriptionsCount = attributes["subscriberCount"]?.intValue ?? attributes["subscribers"]?.intValue
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var videos = [Video]()
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if let relatedStreams = attributes["relatedStreams"] {
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videos = extractVideos(from: relatedStreams)
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}
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let name = attributes["name"]?.stringValue ?? attributes["uploaderName"]?.stringValue ?? attributes["uploader"]?.stringValue ?? ""
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let thumbnailURL = attributes["avatarUrl"]?.url ?? attributes["uploaderAvatar"]?.url ?? attributes["avatar"]?.url ?? attributes["thumbnail"]?.url
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return Channel(
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id: id,
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name: name,
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thumbnailURL: thumbnailURL,
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subscriptionsCount: subscriptionsCount,
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videos: videos
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)
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}
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func extractChannelPlaylist(from json: JSON) -> ChannelPlaylist? {
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let details = json.dictionaryValue
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let id = details["url"]?.stringValue.components(separatedBy: "?list=").last ?? UUID().uuidString
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let thumbnailURL = details["thumbnail"]?.url ?? details["thumbnailUrl"]?.url
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var videos = [Video]()
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if let relatedStreams = details["relatedStreams"] {
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videos = extractVideos(from: relatedStreams)
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}
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return ChannelPlaylist(
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id: id,
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title: details["name"]!.stringValue,
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thumbnailURL: thumbnailURL,
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channel: extractChannel(from: json)!,
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videos: videos,
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videosCount: details["videos"]?.int
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)
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}
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private func extractVideo(from content: JSON) -> Video? {
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let details = content.dictionaryValue
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let url = details["url"]?.string
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if !url.isNil {
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guard url!.contains("/watch") else {
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return nil
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}
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}
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let channelId = details["uploaderUrl"]!.stringValue.components(separatedBy: "/").last!
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let thumbnails: [Thumbnail] = Thumbnail.Quality.allCases.compactMap {
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if let url = buildThumbnailURL(from: content, quality: $0) {
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return Thumbnail(url: url, quality: $0)
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}
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return nil
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}
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let author = details["uploaderName"]?.stringValue ?? details["uploader"]!.stringValue
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let authorThumbnailURL = details["avatarUrl"]?.url ?? details["uploaderAvatar"]?.url ?? details["avatar"]?.url
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let published = (details["uploadedDate"] ?? details["uploadDate"])?.stringValue ??
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(details["uploaded"]!.double! / 1000).formattedAsRelativeTime()!
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let live = details["livestream"]?.boolValue ?? (details["duration"]?.intValue == -1)
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return Video(
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videoID: extractID(from: content),
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title: details["title"]!.stringValue,
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author: author,
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length: details["duration"]!.doubleValue,
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published: published,
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views: details["views"]!.intValue,
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description: extractDescription(from: content),
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channel: Channel(id: channelId, name: author, thumbnailURL: authorThumbnailURL),
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thumbnails: thumbnails,
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live: live,
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likes: details["likes"]?.int,
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dislikes: details["dislikes"]?.int,
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streams: extractStreams(from: content),
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related: extractRelated(from: content)
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)
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}
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private func extractID(from content: JSON) -> Video.ID {
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content.dictionaryValue["url"]?.stringValue.components(separatedBy: "?v=").last ??
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extractThumbnailURL(from: content)!.relativeString.components(separatedBy: "/")[4]
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}
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private func extractThumbnailURL(from content: JSON) -> URL? {
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content.dictionaryValue["thumbnail"]?.url! ?? content.dictionaryValue["thumbnailUrl"]!.url!
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}
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private func buildThumbnailURL(from content: JSON, quality: Thumbnail.Quality) -> URL? {
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let thumbnailURL = extractThumbnailURL(from: content)
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guard !thumbnailURL.isNil else {
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return nil
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}
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return URL(string: thumbnailURL!
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.absoluteString
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.replacingOccurrences(of: "hqdefault", with: quality.filename)
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.replacingOccurrences(of: "maxresdefault", with: quality.filename)
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)!
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}
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private func extractDescription(from content: JSON) -> String? {
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guard var description = content.dictionaryValue["description"]?.string else {
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return nil
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}
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description = description.replacingOccurrences(
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of: "<br/>|<br />|<br>",
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with: "\n",
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options: .regularExpression,
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range: nil
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)
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description = description.replacingOccurrences(
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of: "<[^>]+>",
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with: "",
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options: .regularExpression,
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range: nil
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)
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return description
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}
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private func extractVideos(from content: JSON) -> [Video] {
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content.arrayValue.compactMap(extractVideo(from:))
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}
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private func extractStreams(from content: JSON) -> [Stream] {
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var streams = [Stream]()
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if let hlsURL = content.dictionaryValue["hls"]?.url {
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streams.append(Stream(hlsURL: hlsURL))
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}
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guard let audioStream = compatibleAudioStreams(from: content).first else {
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return streams
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}
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let videoStreams = compatibleVideoStream(from: content)
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videoStreams.forEach { videoStream in
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let audioAsset = AVURLAsset(url: audioStream.dictionaryValue["url"]!.url!)
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let videoAsset = AVURLAsset(url: videoStream.dictionaryValue["url"]!.url!)
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let videoOnly = videoStream.dictionaryValue["videoOnly"]?.boolValue ?? true
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let resolution = Stream.Resolution.from(resolution: videoStream.dictionaryValue["quality"]!.stringValue)
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if videoOnly {
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streams.append(
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Stream(audioAsset: audioAsset, videoAsset: videoAsset, resolution: resolution, kind: .adaptive)
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)
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} else {
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streams.append(
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SingleAssetStream(avAsset: videoAsset, resolution: resolution, kind: .stream)
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)
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}
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}
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return streams
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}
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private func extractRelated(from content: JSON) -> [Video] {
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content
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.dictionaryValue["relatedStreams"]?
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.arrayValue
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.compactMap(extractVideo(from:)) ?? []
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}
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private func compatibleAudioStreams(from content: JSON) -> [JSON] {
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content
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.dictionaryValue["audioStreams"]?
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.arrayValue
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.filter { $0.dictionaryValue["format"]?.stringValue == "M4A" }
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.sorted {
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$0.dictionaryValue["bitrate"]?.intValue ?? 0 > $1.dictionaryValue["bitrate"]?.intValue ?? 0
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} ?? []
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}
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private func compatibleVideoStream(from content: JSON) -> [JSON] {
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content
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.dictionaryValue["videoStreams"]?
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.arrayValue
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.filter { $0.dictionaryValue["format"] == "MPEG_4" } ?? []
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}
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private func extractComment(from content: JSON) -> Comment? {
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let details = content.dictionaryValue
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let author = details["author"]?.stringValue ?? ""
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let commentorUrl = details["commentorUrl"]?.stringValue
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let channelId = commentorUrl?.components(separatedBy: "/")[2] ?? ""
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return Comment(
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id: details["commentId"]?.stringValue ?? UUID().uuidString,
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author: author,
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authorAvatarURL: details["thumbnail"]?.stringValue ?? "",
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time: details["commentedTime"]?.stringValue ?? "",
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pinned: details["pinned"]?.boolValue ?? false,
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hearted: details["hearted"]?.boolValue ?? false,
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likeCount: details["likeCount"]?.intValue ?? 0,
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text: details["commentText"]?.stringValue ?? "",
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repliesPage: details["repliesPage"]?.stringValue,
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channel: Channel(id: channelId, name: author)
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)
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}
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}
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