Decodable with enum inside response

Decodable+Enum.swift

import Foundation

struct Response: Decodable {
    let name: String
    let note: String
    let status: Status
}

enum Status: String, Decodable {
    case observation = "OBSERVATION"
    case progress = "PROGRESS"
    case canceled = "CANCELED"
    case completed = "COMPLETED"
}

let jsonString = "{\"name\": \"Joao\", \"note\": \"Change area light\", \"status\": \"COMPLETED\"}"

func decode<T: Decodable>(json: String) -> T? {
    let jsonData = Data(jsonString.utf8)

    do {
        let decoded = try JSONDecoder().decode(T.self, from: jsonData)
        return decoded
    } catch {
        print(error)
        return nil
    }
}

if let response: Response = decode(json: jsonString) {
    print("Name:", response.name)
    print("Note:", response.note)
    print("Status:", response.status)
}

// OUTPUT
// Name: Joao
// Note: Change area light
// Status: completed