An HTTP Client class that handles global requests to our API (GET, POST & PATCH) using Alamofire.

HTTPClient.swift

import Foundation
import Alamofire
import SwiftyJSON

class HTTPClient {

  static func apiRequestCall(withUrl url: String, method: HTTPMethod, params: [String:Any] = [:], headers: [String:String],encoding: ParameterEncoding = JSONEncoding.default, completion: @escaping (JSON?, Error?) -> Void) {
    
    AF.request(url, method: method,parameters: params,encoding: encoding, headers: HTTPHeaders(headers)).validate(statusCode: 200..<600).responseJSON {
      response in
      
      switch response.result {
        case .success(let value):
          
          let json = JSON(value)
          completion(json, nil)
        
        case .failure(let error):
          completion(nil, error)
      }
    }
  }
  
  static func upload(url: String,imageName: String = "avatar",imageData: Data?,progressBar: UIProgressView? = UIProgressView(), params: [String:Any], headers: [String:String],method: HTTPMethod = .patch, completion: @escaping (JSON?, Error?) -> Void) {
    
    AF.upload(multipartFormData: { multipartFormData in
      for (key, value) in params {
        multipartFormData.append("\(value)".data(using: String.Encoding.utf8)!, withName: key as String)
      }
      if let data = imageData as Data? {
        multipartFormData.append(data, withName: imageName, fileName: "image.png", mimeType: "image/png")
      }
      
    }, to: url, usingThreshold: UInt64.init(),
       method: method,
       headers: HTTPHeaders(headers))
      .uploadProgress { progress in
        if let progressBar = progressBar {
          progressBar.setProgress(Float(progress.fractionCompleted), animated: true)
        }
    }
    .responseJSON { response in
      switch response.result {
        case .success(let json):
          
          completion(JSON(json), nil)
        
        case .failure(let error):
          Banner.show(withTitle: "Error in upload: \(error.localizedDescription)", style: .error)
          completion(nil, error)
      }
    }
    
  }
  
}