iOS/Sources/Shared/Intents/RenderTemplateIntentHandler...

77 lines
2.7 KiB
Swift

import Foundation
import Intents
import PromiseKit
import UIKit
class RenderTemplateIntentHandler: NSObject, RenderTemplateIntentHandling {
typealias Intent = RenderTemplateIntent
func resolveServer(for intent: Intent, with completion: @escaping (IntentServerResolutionResult) -> Void) {
if let server = Current.servers.server(for: intent) {
completion(.success(with: .init(server: server)))
} else {
completion(.needsValue())
}
}
func provideServerOptions(for intent: Intent, with completion: @escaping ([IntentServer]?, Error?) -> Void) {
completion(IntentServer.all, nil)
}
func provideServerOptionsCollection(
for intent: Intent,
with completion: @escaping (INObjectCollection<IntentServer>?, Error?) -> Void
) {
completion(.init(items: IntentServer.all), nil)
}
func resolveTemplate(
for intent: Intent,
with completion: @escaping (INStringResolutionResult) -> Void
) {
if let templateStr = intent.template, templateStr.isEmpty == false {
Current.Log.info("using provided '\(templateStr)'")
completion(.success(with: templateStr))
} else {
Current.Log.info("requesting a value")
completion(.needsValue())
}
}
func handle(intent: Intent, completion: @escaping (RenderTemplateIntentResponse) -> Void) {
guard let templateStr = intent.template else {
Current.Log.error("Unable to unwrap intent.template")
let resp = RenderTemplateIntentResponse(code: .failure, userActivity: nil)
resp.error = "Unable to unwrap intent.template"
completion(resp)
return
}
guard let server = Current.servers.server(for: intent) else {
completion(.failure(error: "no server selected"))
return
}
Current.Log.verbose("Rendering template \(templateStr)")
Current.api(for: server)?.connection?.subscribe(
to: .renderTemplate(templateStr),
initiated: { result in
if case let .failure(error) = result {
Current.Log.error("Error when rendering template in intent \(error)")
let resp = RenderTemplateIntentResponse(code: .failure, userActivity: nil)
completion(resp)
}
}, handler: { token, data in
token.cancel()
Current.Log.verbose("Successfully renderedTemplate")
let resp = RenderTemplateIntentResponse(code: .success, userActivity: nil)
resp.renderedTemplate = String(describing: data.result)
completion(resp)
}
)
}
}