yattee/Model/Applications/VideosAPI.swift

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import AVFoundation
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import Foundation
import Siesta
protocol VideosAPI {
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var account: Account! { get }
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var signedIn: Bool { get }
func channel(_ id: String) -> Resource
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func channelVideos(_ id: String) -> Resource
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func trending(country: Country, category: TrendingCategory?) -> Resource
func search(_ query: SearchQuery, page: String?) -> Resource
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func searchSuggestions(query: String) -> Resource
func video(_ id: Video.ID) -> Resource
var subscriptions: Resource? { get }
var feed: Resource? { get }
var home: Resource? { get }
var popular: Resource? { get }
var playlists: Resource? { get }
func subscribe(_ channelID: String, onCompletion: @escaping () -> Void)
func unsubscribe(_ channelID: String, onCompletion: @escaping () -> Void)
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func playlist(_ id: String) -> Resource?
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func playlistVideo(_ playlistID: String, _ videoID: String) -> Resource?
func playlistVideos(_ id: String) -> Resource?
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func addVideoToPlaylist(
_ videoID: String,
_ playlistID: String,
onFailure: @escaping (RequestError) -> Void,
onSuccess: @escaping () -> Void
)
func removeVideoFromPlaylist(
_ index: String,
_ playlistID: String,
onFailure: @escaping (RequestError) -> Void,
onSuccess: @escaping () -> Void
)
func playlistForm(
_ name: String,
_ visibility: String,
playlist: Playlist?,
onFailure: @escaping (RequestError) -> Void,
onSuccess: @escaping (Playlist?) -> Void
)
func deletePlaylist(
_ playlist: Playlist,
onFailure: @escaping (RequestError) -> Void,
onSuccess: @escaping () -> Void
)
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func channelPlaylist(_ id: String) -> Resource?
func loadDetails(_ item: PlayerQueueItem, completionHandler: @escaping (PlayerQueueItem) -> Void)
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func shareURL(_ item: ContentItem, frontendHost: String?, time: CMTime?) -> URL?
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func comments(_ id: Video.ID, page: String?) -> Resource?
}
extension VideosAPI {
func loadDetails(_ item: PlayerQueueItem, completionHandler: @escaping (PlayerQueueItem) -> Void = { _ in }) {
guard (item.video?.streams ?? []).isEmpty else {
completionHandler(item)
return
}
video(item.videoID).load().onSuccess { response in
guard let video: Video = response.typedContent() else {
return
}
var newItem = item
newItem.video = video
completionHandler(newItem)
}
}
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func shareURL(_ item: ContentItem, frontendHost: String? = nil, time: CMTime? = nil) -> URL? {
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guard let frontendHost = frontendHost ?? account?.instance?.frontendHost,
var urlComponents = account?.instance?.urlComponents
else {
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return nil
}
urlComponents.host = frontendHost
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var queryItems = [URLQueryItem]()
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switch item.contentType {
case .video:
urlComponents.path = "/watch"
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queryItems.append(.init(name: "v", value: item.video.videoID))
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case .channel:
urlComponents.path = "/channel/\(item.channel.id)"
case .playlist:
urlComponents.path = "/playlist"
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queryItems.append(.init(name: "list", value: item.playlist.id))
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default:
return nil
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}
if !time.isNil, time!.seconds.isFinite {
queryItems.append(.init(name: "t", value: "\(Int(time!.seconds))s"))
}
if !queryItems.isEmpty {
urlComponents.queryItems = queryItems
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}
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return urlComponents.url
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}
func extractChapters(from description: String) -> [Chapter] {
guard let chaptersRegularExpression = try? NSRegularExpression(
pattern: "(?<start>(?:[0-9]+:){1,}(?:[0-9]+))(?:\\s)+(?:- ?)?(?<title>.*)",
options: .caseInsensitive
) else { return [] }
let chapterLines = chaptersRegularExpression.matches(
in: description,
range: NSRange(description.startIndex..., in: description)
)
return chapterLines.compactMap { line in
let titleRange = line.range(withName: "title")
let startRange = line.range(withName: "start")
guard let titleSubstringRange = Range(titleRange, in: description),
let startSubstringRange = Range(startRange, in: description),
let titleCapture = String(description[titleSubstringRange]),
let startCapture = String(description[startSubstringRange]) else { return nil }
let startComponents = startCapture.components(separatedBy: ":")
guard startComponents.count <= 3 else { return nil }
var hours: Double?
var minutes: Double?
var seconds: Double?
if startComponents.count == 3 {
hours = Double(startComponents[0])
minutes = Double(startComponents[1])
seconds = Double(startComponents[2])
} else if startComponents.count == 2 {
minutes = Double(startComponents[0])
seconds = Double(startComponents[1])
}
guard var startSeconds = seconds else { return nil }
if let minutes = minutes {
startSeconds += 60 * minutes
}
if let hours = hours {
startSeconds += 60 * 60 * hours
}
return .init(title: titleCapture, start: startSeconds)
}
}
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}