Demonstrating how NovelCovidApiClient can be used in iOS

CountryListApiManager.swift

import Foundation
import shared

struct CountryListApiManager: CountryListApiManaging {
    
    let client: NovelCovidApiClient
    
    init(client: NovelCovidApiClient) {
        self.client = client
    }
    
    func fetchCountryList(completion: @escaping (APIResult<[CountryViewModel]>) -> ()) {
        
        completion(.success([]))
        
        // This will call API
        try? client.getAffectedCountries { (buisnessCountryModels, error) in
            
            DispatchQueue.main.async {
                if let _ = error {
                    completion(.failure(.failedTofech))
                } else {
                    guard let buisnessCountryModels = buisnessCountryModels else {
                        return completion(.failure(.noData))
                    }
                    completion(.success(buisnessCountryModels.map { CountryViewModel(apiModel: $0) }))
                }
            }
        }
    }
}