- Task Completion

Podfile

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+# Uncomment the next line to define a global platform for your project
+# platform :ios, '9.0'
+
+target 'Swifterviewing' do
+  # Comment the next line if you don't want to use dynamic frameworks
+  use_frameworks!
+    pod "KRProgressHUD"
+    pod 'AlamofireImage', '~> 4.1'
+    pod 'Alamofire', '~> 5.2'
+    pod 'TrustKit'
+  # Pods for Swifterviewing
+
+  target 'SwifterviewingTests' do
+    inherit! :search_paths
+    # Pods for testing
+  end
+
+end

Podfile.lock

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+PODS:
+  - Alamofire (5.4.3)
+  - AlamofireImage (4.2.0):
+    - Alamofire (~> 5.4)
+  - KRActivityIndicatorView (3.0.7)
+  - KRProgressHUD (3.4.7):
+    - KRActivityIndicatorView (= 3.0.7)
+  - TrustKit (1.7.0)
+
+DEPENDENCIES:
+  - Alamofire (~> 5.2)
+  - AlamofireImage (~> 4.1)
+  - KRProgressHUD
+  - TrustKit
+
+SPEC REPOS:
+  trunk:
+    - Alamofire
+    - AlamofireImage
+    - KRActivityIndicatorView
+    - KRProgressHUD
+    - TrustKit
+
+SPEC CHECKSUMS:
+  Alamofire: e447a2774a40c996748296fa2c55112fdbbc42f9
+  AlamofireImage: 34a2d90b0e5fe6a5605f85ae4b7b01e784c60192
+  KRActivityIndicatorView: ad69e89c4ce40c986cf580595be4829dcad0e35a
+  KRProgressHUD: a248f0bc6c9c2aed40a37b76e03ffecc7f85c887
+  TrustKit: dac38bb37e49bdfeca41b1a19d020da38017b51c
+
+PODFILE CHECKSUM: 0a922a2ce00f56b86c4592bd99e39c097b2a4740
+
+COCOAPODS: 1.10.1

Swifterviewing.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Swifterviewing/API/API.swift

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+//
+//  API.swift
+//  Swifterviewing
+//
+//  Created by Tyler Thompson on 7/9/20.
+//  Copyright © 2020 World Wide Technology Application Services. All rights reserved.
+//
+
+import UIKit
+
+//MARK: - API
+struct API {
+    static let baseURL = "https://jsonplaceholder.typicode.com"
+    static let photosEndpoint = "/photos" //returns photos and their album ID
+    static let albumsEndpoint = "/albums" //returns an album, but without photos
+
+    //MARK: - Progressbar Colors
+
+    public enum Color {
+        static let color1 = UIColor(red: 0, green: 0.2, blue: 0.38, alpha: 1)
+        static let color2 = UIColor(red: 0.15, green: 0.61, blue: 0.83, alpha: 1)
+    }
+}

Swifterviewing/API/BaseWebservice.swift

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+//
+//  BaseWebservice.swift
+//  Swifterviewing
+//
+//  Created by Dharma Teja Kanneganti on 10/07/21.
+//  Copyright © 2021 World Wide Technology Application Services. All rights reserved.
+//
+
+import Foundation
+import Alamofire
+import TrustKit
+
+public enum AlbumError {
+    case generic
+    case noNetwork
+    case noData
+}
+
+typealias DFCompletion = (AnyObject?, Error?) -> Void
+
+//MARK: - SessionDelegate
+
+class BaseWebService: SessionDelegate {
+
+    private var trustKitObj: TrustKit?
+    var sessionManager: Session?
+
+    init() {
+        super.init()
+        sessionManager = Session.init(configuration: URLSessionConfiguration.ephemeral, delegate: self)
+        //                       // UIApplication.appDelegate.remoteConfigService?.string(forKey: .iOS_publickey_hash),
+    }
+
+    func executeRequest(url: String, method: HTTPMethod, parameters: Parameters?, headers: HTTPHeaders?, completion: @escaping DFCompletion) {
+
+        guard let requestUrl = URL(string: url) else {
+            completion(nil, nil)
+            return
+        }
+
+        sessionManager?.request(requestUrl,
+                   method: method,
+                   parameters: parameters,
+                   encoding: JSONEncoding.default,
+                   headers: headers,
+                   interceptor: nil,
+                   requestModifier: nil).responseJSON { (response) in
+                    switch response.result {
+                    case .success(let value):
+                        if let jsonDict = value as? NSDictionary {
+                            completion(jsonDict, nil)
+                        }else if let jsonArray = value as? NSArray
+                        {
+                            completion(jsonArray, nil)
+                        } else {
+                            completion(nil, response.error)
+                        }
+                    case .failure:
+                        completion(nil, response.error)
+                    }
+        }
+
+    }
+}
+
+extension BaseWebService {
+
+    //MARK: - Receiving Response
+
+    func urlSession(_ session: URLSession, didReceive challenge: URLAuthenticationChallenge,
+                    completionHandler: @escaping (URLSession.AuthChallengeDisposition, URLCredential?) ->
+                        Void) {
+        completionHandler(.performDefaultHandling, nil)
+
+         /*if let serverTrust = challenge.protectionSpace.serverTrust {
+              let pinningValidator = TrustKit.sharedInstance().pinningValidator
+            let trustDecision = pinningValidator.evaluateTrust(serverTrust, forHostname: API.baseURL)
+
+              if trustDecision == .shouldAllowConnection {
+                  completionHandler(.performDefaultHandling, nil)
+              } else if trustDecision == .shouldBlockConnection {
+                  completionHandler(.cancelAuthenticationChallenge, nil)
+              } else {
+                  completionHandler(.cancelAuthenticationChallenge, nil)
+              }
+          }*/
+    }
+}

Swifterviewing/API/Webservice.swift

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+//
+//  Webservice.swift
+//  Swifterviewing
+//
+//  Created by Dharma Teja Kanneganti on 10/07/21.
+//  Copyright © 2021 World Wide Technology Application Services. All rights reserved.
+//
+
+import Foundation
+import UIKit
+import Alamofire
+
+typealias AlbumResponseStatus = (Bool) -> Void
+
+class WebService
+{
+    //MARK: - fetchAlbumsData
+
+    func fetchAlbumsData(completion: @escaping DFCompletion)
+    {
+        let service = BaseWebService.init()
+        let fullUrl = API.baseURL + API.albumsEndpoint
+        service.executeRequest(url: fullUrl,
+                               method: .get,
+                               parameters: nil,
+                               headers: nil) { (response, error) in
+                                completion(response, error)
+        }
+    }
+
+    //MARK: - fetchPhotos
+
+    func fetchPhotos(completion: @escaping DFCompletion)
+    {
+        let service = BaseWebService.init()
+        let fullUrl = API.baseURL + API.photosEndpoint
+        service.executeRequest(url: fullUrl,
+                               method: .get,
+                               parameters: nil,
+                               headers: nil) { (response, error) in
+                                completion(response, error)
+        }
+    }
+}

Swifterviewing/AlbumsViewController/Model/Album.swift

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+//
+//  Album.swift
+//  Swifterviewing
+//
+//  Created by Tyler Thompson on 7/9/20.
+//  Copyright © 2020 World Wide Technology Application Services. All rights reserved.
+//
+
+import Foundation
+
+//Albums Model
+struct Album : Codable {
+    var userId : Int
+    var id : Int
+    var title : String?
+
+    enum CodingKeys: String, CodingKey
+    {
+        case userId
+        case id
+        case title
+    }
+}

Swifterviewing/AlbumsViewController/Model/Photos.swift

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+//
+//  Photos.swift
+//  Swifterviewing
+//
+//  Created by Dharma Teja Kanneganti on 10/07/21.
+//  Copyright © 2021 World Wide Technology Application Services. All rights reserved.
+//
+
+import Foundation
+
+//MARk: - Photos Model
+struct Photos : Codable
+{
+    var albumId : Int
+    var id : Int
+    var title : String?
+    var url : String?
+    var thumbnailUrl : String?
+
+    enum CodingKeys: String, CodingKey
+    {
+        case albumId
+        case id
+        case title
+        case url
+        case thumbnailUrl
+    }
+}