session-ios/SessionMessagingKit/Utilities/Promise+Utilities.swift

30 lines
1.1 KiB
Swift

// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
import Foundation
import PromiseKit
import SessionSnodeKit
import SessionUtilitiesKit
extension Promise where T == Data {
func decoded<R: Decodable>(as type: R.Type, on queue: DispatchQueue? = nil, using dependencies: Dependencies = Dependencies()) -> Promise<R> {
self.map(on: queue) { data -> R in
try data.decoded(as: type, using: dependencies)
}
}
}
extension Promise where T == (OnionRequestResponseInfoType, Data?) {
func decoded<R: Decodable>(as type: R.Type, on queue: DispatchQueue? = nil, using dependencies: Dependencies = Dependencies()) -> Promise<(OnionRequestResponseInfoType, R)> {
self.map(on: queue) { responseInfo, maybeData -> (OnionRequestResponseInfoType, R) in
guard let data: Data = maybeData else { throw HTTP.Error.parsingFailed }
do {
return (responseInfo, try data.decoded(as: type, using: dependencies))
}
catch {
throw HTTP.Error.parsingFailed
}
}
}
}