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yattee/Model/InstancesManifest.swift

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import Defaults
import Foundation
import Siesta
import SwiftyJSON
final class InstancesManifest: Service, ObservableObject {
static let builtinManifestUrl = "https://r.yattee.stream/manifest.json"
static let shared = InstancesManifest()
@Published var instances = [ManifestedInstance]()
init() {
super.init()
configure {
$0.pipeline[.parsing].add(SwiftyJSONTransformer, contentTypes: ["*/json"])
}
configureTransformer(
manifestURL,
requestMethods: [.get]
) { (content: Entity<JSON>
) -> [ManifestedInstance] in
guard let instances = content.json.dictionaryValue["instances"] else { return [] }
return instances.arrayValue.compactMap(self.extractInstance)
}
}
func setPublicAccount(_ country: String?, accounts: AccountsModel, asCurrent: Bool = true) {
guard let country = country else {
accounts.publicAccount = nil
if asCurrent {
accounts.setCurrent(nil)
}
return
}
instancesList.load().onSuccess { response in
if let instances: [ManifestedInstance] = response.typedContent() {
guard let instance = instances.filter { $0.country == country }.randomElement() else { return }
let account = instance.anonymousAccount
accounts.publicAccount = account
if asCurrent {
accounts.setCurrent(account)
}
}
}
}
func changePublicAccount(_ accounts: AccountsModel, settings: SettingsModel) {
instancesList.load().onSuccess { response in
if let instances: [ManifestedInstance] = response.typedContent() {
let countryInstances = instances.filter { $0.country == Defaults[.countryOfPublicInstances] }
let region = countryInstances.first?.region ?? "Europe"
var regionInstances = instances.filter { $0.region == region }
if let publicAccountUrl = accounts.publicAccount?.url {
regionInstances = regionInstances.filter { $0.url.absoluteString != publicAccountUrl }
}
guard let instance = regionInstances.randomElement() else {
settings.presentAlert(title: "Could not change location", message: "No locations available at the moment")
return
}
let account = instance.anonymousAccount
accounts.publicAccount = account
accounts.setCurrent(account)
}
}
}
func extractInstance(from json: JSON) -> ManifestedInstance? {
guard let app = json["app"].string,
let videosApp = VideosApp(rawValue: app.lowercased()),
let region = json["region"].string,
let country = json["country"].string,
let flag = json["flag"].string,
let url = json["url"].url else { return nil }
return ManifestedInstance(
app: videosApp,
country: country,
region: region,
flag: flag,
url: url
)
}
var manifestURL: String {
var url = Defaults[.instancesManifest]
if url.isEmpty {
url = Self.builtinManifestUrl
}
return url
}
var instancesList: Resource {
resource(absoluteURL: manifestURL)
}
}