Moya Network Logger Pretty JSON

MoyaNetworkService.swift

import Foundation
import Moya
import Alamofire

// NOTE: Custom timeout configuration
class DefaultAlamofireManager: Alamofire.SessionManager {
    static let sharedManager: DefaultAlamofireManager = {
        let configuration = URLSessionConfiguration.default
        configuration.httpAdditionalHeaders = Alamofire.SessionManager.defaultHTTPHeaders
        configuration.timeoutIntervalForRequest = 10
        configuration.timeoutIntervalForResource = 10
        configuration.requestCachePolicy = .useProtocolCachePolicy
        return DefaultAlamofireManager(configuration: configuration)
    }()
}

private let logger = NetworkLoggerPlugin(verbose: true,
                                         requestDataFormatter: JSONRequestDataFormatter,
                                         responseDataFormatter: JSONResponseDataFormatter)

let API = MoyaProvider<ProjectName>(manager: DefaultAlamofireManager.sharedManager,
                                   plugins: [logger])

private func JSONResponseDataFormatter(_ data: Data) -> Data {
    do {
        let dataAsJSON = try JSONSerialization.jsonObject(with: data)
        let prettyData =  try JSONSerialization.data(withJSONObject: dataAsJSON, options: .prettyPrinted)
        return prettyData
    } catch {
        return data // fallback to original data if it can't be serialized.
    }
}

private func JSONRequestDataFormatter(_ data: Data) -> String {
    do {
        let dataAsJSON = try JSONSerialization.jsonObject(with: data)
        let prettyData =  try JSONSerialization.data(withJSONObject: dataAsJSON, options: .prettyPrinted)
        guard let result = String(data: prettyData, encoding: String.Encoding.utf8) else {
            return String(decoding: data, as: UTF8.self)
        }
        return result
    } catch {
        return String(decoding: data, as: UTF8.self)
    }
}

enum ProjectName: TargetType {

}