yattee/Model/Applications/VideosAPI.swift
2023-02-05 14:24:09 +01:00

196 lines
6.3 KiB
Swift

import AVFoundation
import Foundation
import Siesta
protocol VideosAPI {
var account: Account! { get }
var signedIn: Bool { get }
static func withAnonymousAccountForInstanceURL(_ url: URL) -> Self
func channel(_ id: String, contentType: Channel.ContentType, data: String?) -> Resource
func channelByName(_ name: String) -> Resource?
func channelByUsername(_ username: String) -> Resource?
func channelVideos(_ id: String) -> Resource
func trending(country: Country, category: TrendingCategory?) -> Resource
func search(_ query: SearchQuery, page: String?) -> Resource
func searchSuggestions(query: String) -> Resource
func video(_ id: Video.ID) -> Resource
func feed(_ page: Int?) -> Resource?
var subscriptions: 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)
func playlist(_ id: String) -> Resource?
func playlistVideo(_ playlistID: String, _ videoID: String) -> Resource?
func playlistVideos(_ id: String) -> Resource?
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
)
func channelPlaylist(_ id: String) -> Resource?
func loadDetails(
_ item: PlayerQueueItem,
failureHandler: ((RequestError) -> Void)?,
completionHandler: @escaping (PlayerQueueItem) -> Void
)
func shareURL(_ item: ContentItem, frontendHost: String?, time: CMTime?) -> URL?
func comments(_ id: Video.ID, page: String?) -> Resource?
}
extension VideosAPI {
func channel(_ id: String, contentType: Channel.ContentType, data: String? = nil) -> Resource {
channel(id, contentType: contentType, data: data)
}
func loadDetails(
_ item: PlayerQueueItem,
failureHandler: ((RequestError) -> Void)? = nil,
completionHandler: @escaping (PlayerQueueItem) -> Void = { _ in }
) {
guard (item.video?.streams ?? []).isEmpty else {
completionHandler(item)
return
}
if let video = item.video, video.isLocal {
completionHandler(item)
return
}
video(item.videoID).load()
.onSuccess { response in
guard let video: Video = response.typedContent() else {
return
}
VideosCacheModel.shared.storeVideo(video)
var newItem = item
newItem.id = UUID()
newItem.video = video
completionHandler(newItem)
}
.onFailure { failureHandler?($0) }
}
func shareURL(_ item: ContentItem, frontendHost: String? = nil, time: CMTime? = nil) -> URL? {
guard let frontendHost = frontendHost ?? account?.instance?.frontendHost,
var urlComponents = account?.instance?.urlComponents
else {
return nil
}
urlComponents.host = frontendHost
var queryItems = [URLQueryItem]()
switch item.contentType {
case .video:
urlComponents.path = "/watch"
queryItems.append(.init(name: "v", value: item.video.videoID))
case .channel:
urlComponents.path = "/channel/\(item.channel.id)"
case .playlist:
urlComponents.path = "/playlist"
queryItems.append(.init(name: "list", value: item.playlist.id))
default:
return nil
}
if !time.isNil, time!.seconds.isFinite {
queryItems.append(.init(name: "t", value: "\(Int(time!.seconds))s"))
}
if !queryItems.isEmpty {
urlComponents.queryItems = queryItems
}
return urlComponents.url
}
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) else { return nil }
let titleCapture = String(description[titleSubstringRange])
let startCapture = String(description[startSubstringRange])
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 {
startSeconds += 60 * minutes
}
if let hours {
startSeconds += 60 * 60 * hours
}
return .init(title: titleCapture, start: startSeconds)
}
}
}