import Defaults import Foundation final class InstancesModel: ObservableObject { var all: [Instance] { Defaults[.instances] } var lastUsed: Instance? { guard let id = Defaults[.lastInstanceID] else { return nil } return InstancesModel.find(id) } static func find(_ id: Instance.ID?) -> Instance? { guard id != nil else { return nil } return Defaults[.instances].first { $0.id == id } } static func accounts(_ id: Instance.ID?) -> [Account] { Defaults[.accounts].filter { $0.instanceID == id } } static func add(app: VideosApp, name: String, url: String) -> Instance { let instance = Instance( app: app, id: UUID().uuidString, name: name, apiURL: standardizedURL(url) ) Defaults[.instances].append(instance) return instance } static func setFrontendURL(_ instance: Instance, _ url: String) { if let index = Defaults[.instances].firstIndex(where: { $0.id == instance.id }) { var instance = Defaults[.instances][index] instance.frontendURL = standardizedURL(url) Defaults[.instances][index] = instance } } static func remove(_ instance: Instance) { let accounts = InstancesModel.accounts(instance.id) if let index = Defaults[.instances].firstIndex(where: { $0.id == instance.id }) { Defaults[.instances].remove(at: index) accounts.forEach { AccountsModel.remove($0) } } } static func standardizedURL(_ url: String) -> String { if url.last == "/" { return String(url.dropLast()) } else { return url } } }