import Defaults import Foundation import Siesta import SwiftUI final class PlaylistsModel: ObservableObject { @Published var playlists = [Playlist]() @Published var reloadPlaylists = false var accounts = AccountsModel() init(_ playlists: [Playlist] = [Playlist]()) { self.playlists = playlists } var all: [Playlist] { playlists.sorted { $0.title.lowercased() < $1.title.lowercased() } } var lastUsed: Playlist? { find(id: Defaults[.lastUsedPlaylistID]) } func find(id: Playlist.ID?) -> Playlist? { if id.isNil { return nil } return playlists.first { $0.id == id! } } var isEmpty: Bool { playlists.isEmpty } func load(force: Bool = false, onSuccess: @escaping () -> Void = {}) { guard accounts.app.supportsUserPlaylists, accounts.signedIn else { playlists = [] return } let request = force ? resource?.load() : resource?.loadIfNeeded() guard !request.isNil else { onSuccess() return } request? .onSuccess { resource in if let playlists: [Playlist] = resource.typedContent() { self.playlists = playlists onSuccess() } } .onFailure { _ in self.playlists = [] } } func addVideo( playlistID: Playlist.ID, videoID: Video.ID, onSuccess: @escaping () -> Void = {}, navigation: NavigationModel?, onFailure: ((RequestError) -> Void)? = nil ) { accounts.api.addVideoToPlaylist( videoID, playlistID, onFailure: onFailure ?? { requestError in navigation?.presentAlert( title: "Error when adding to playlist", message: "(\(requestError.httpStatusCode ?? -1)) \(requestError.userMessage)" ) } ) { self.load(force: true) { self.reloadPlaylists.toggle() onSuccess() } } } func removeVideo(index: String, playlistID: Playlist.ID, onSuccess: @escaping () -> Void = {}) { accounts.api.removeVideoFromPlaylist(index, playlistID, onFailure: { _ in }) { self.load(force: true) { self.reloadPlaylists.toggle() onSuccess() } } } private var resource: Resource? { accounts.api.playlists } }