import Foundation import Siesta import SwiftUI final class SubscriptionsModel: ObservableObject { @Published var channels = [Channel]() @Published var api: InvidiousAPI! = InvidiousAPI() var resource: Resource { api.subscriptions } init(api: InvidiousAPI? = nil) { self.api = api } var all: [Channel] { channels.sorted { $0.name.lowercased() < $1.name.lowercased() } } func subscribe(_ channelID: String, onSuccess: @escaping () -> Void = {}) { performRequest(channelID, method: .post, onSuccess: onSuccess) } func unsubscribe(_ channelID: String, onSuccess: @escaping () -> Void = {}) { performRequest(channelID, method: .delete, onSuccess: onSuccess) } func isSubscribing(_ channelID: String) -> Bool { channels.contains { $0.id == channelID } } func load(force: Bool = false, onSuccess: @escaping () -> Void = {}) { let request = force ? resource.load() : resource.loadIfNeeded() request? .onSuccess { resource in if let channels: [Channel] = resource.typedContent() { self.channels = channels onSuccess() } } .onFailure { _ in self.channels = [] } } fileprivate func performRequest(_ channelID: String, method: RequestMethod, onSuccess: @escaping () -> Void = {}) { api.channelSubscription(channelID).request(method).onCompletion { _ in self.load(force: true, onSuccess: onSuccess) } } }