Add ApexyLoader library

Apexy.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "Apexy"
-  s.version      = "1.2.0"
+  s.version      = "1.3.0"
   s.summary      = "HTTP transport library"
   s.homepage     = "https://github.com/RedMadRobot/apexy-ios"
   s.license      = { :type => "MIT"}
@@ -35,6 +35,11 @@ Pod::Spec.new do |s|
     sp.dependency "RxSwift"
   end
 
+  s.subspec 'Loader' do |sp|
+    sp.source_files = "Sources/ApexyLoader/*.swift"
+    sp.dependency "Apexy/Core"
+  end
+
   s.default_subspecs = ["Alamofire"]
 
 end

ApexyLoaderExample/ApexyLoaderExample.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?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>

ApexyLoaderExample/ApexyLoaderExample.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -0,0 +1,25 @@
+{
+  "object": {
+    "pins": [
+      {
+        "package": "Alamofire",
+        "repositoryURL": "https://github.com/Alamofire/Alamofire.git",
+        "state": {
+          "branch": null,
+          "revision": "eaf6e622dd41b07b251d8f01752eab31bc811493",
+          "version": "5.4.1"
+        }
+      },
+      {
+        "package": "RxSwift",
+        "repositoryURL": "https://github.com/ReactiveX/RxSwift.git",
+        "state": {
+          "branch": null,
+          "revision": "254617dd7fae0c45319ba5fbea435bf4d0e15b5d",
+          "version": "5.1.2"
+        }
+      }
+    ]
+  },
+  "version": 1
+}

ApexyLoaderExample/ApexyLoaderExample/Resources/Assets.xcassets/AccentColor.colorset/Contents.json

@@ -0,0 +1,11 @@
+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ApexyLoaderExample/ApexyLoaderExample/Resources/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,98 @@
+{
+  "images" : [
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "60x60"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "60x60"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "76x76"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "76x76"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "83.5x83.5"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "scale" : "1x",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ApexyLoaderExample/ApexyLoaderExample/Resources/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ApexyLoaderExample/ApexyLoaderExample/Resources/Base.lproj/LaunchScreen.storyboard

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
+                        <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+</document>

ApexyLoaderExample/ApexyLoaderExample/Sources/Application/AppDelegate.swift

@@ -0,0 +1,43 @@
+//
+//  AppDelegate.swift
+//  ApexyLoaderExample
+//
+//  Created by Daniil Subbotin on 04.03.2021.
+//
+
+import UIKit
+
+@UIApplicationMain
+final class AppDelegate: UIResponder, UIApplicationDelegate {
+
+    var window: UIWindow?
+
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
+
+        let window = UIWindow()
+        self.window = window
+
+        let fetchVC = FetchViewController()
+        fetchVC.tabBarItem = UITabBarItem(
+            title: "Fetch",
+            image: UIImage(systemName: "arrow.down.square.fill"),
+            tag: 0)
+
+        let resultVC = ResultViewController()
+        resultVC.tabBarItem = UITabBarItem(
+            title: "Result",
+            image: UIImage(systemName: "list.bullet"),
+            tag: 1)
+
+        let tbc = UITabBarController()
+        tbc.viewControllers = [fetchVC, resultVC]
+
+        window.frame = UIScreen.main.bounds
+        window.rootViewController = tbc
+        window.makeKeyAndVisible()
+
+        return true
+    }
+
+}
+

ApexyLoaderExample/ApexyLoaderExample/Sources/Business Logic/Endpoint/BaseEndpoint.swift

@@ -0,0 +1,33 @@
+import Apexy
+import Foundation
+
+/// Base Endpoint for application remote resource.
+///
+/// Contains shared logic for all endpoints in app.
+protocol BaseEndpoint: Endpoint where Content: Decodable {
+    /// Content wrapper.
+    associatedtype Root: Decodable = Content
+
+    /// Extract content from root.
+    func content(from root: Root) -> Content
+}
+
+extension BaseEndpoint where Root == Content {
+    func content(from root: Root) -> Content { return root }
+}
+
+extension BaseEndpoint {
+
+    public func content(from response: URLResponse?, with body: Data) throws -> Content {
+        let resource = try JSONDecoder.default.decode(Root.self, from: body)
+        return content(from: resource)
+    }
+}
+
+extension JSONDecoder {
+    internal static let `default`: JSONDecoder = {
+        let decoder = JSONDecoder()
+        decoder.keyDecodingStrategy = .convertFromSnakeCase
+        return decoder
+    }()
+}

ApexyLoaderExample/ApexyLoaderExample/Sources/Business Logic/Endpoint/OrganisationEndpoint.swift

@@ -0,0 +1,20 @@
+//
+//  OrganisationEndpoint.swift
+//  ApexyLoaderExample
+//
+//  Created by Daniil Subbotin on 04.03.2021.
+//
+
+import Apexy
+import Foundation
+
+struct OrganisationEndpoint: BaseEndpoint {
+
+    typealias Content = Organisation
+
+    func makeRequest() -> URLRequest {
+        let url = URL(string: "orgs/RedMadRobot")!
+        return URLRequest(url: url)
+    }
+
+}

ApexyLoaderExample/ApexyLoaderExample/Sources/Business Logic/Endpoint/RepositoriesEndpoint.swift

@@ -0,0 +1,21 @@
+//
+//  RepositoriesEndpoint.swift
+//  ApexyLoaderExample
+//
+//  Created by Daniil Subbotin on 04.03.2021.
+//
+
+import Apexy
+import Foundation
+
+/// List of all Redmadrobot repositories on GitHub
+struct RepositoriesEndpoint: BaseEndpoint {
+
+    typealias Content = [Repository]
+
+    func makeRequest() -> URLRequest {
+        let url = URL(string: "orgs/RedMadRobot/repos")!
+        return URLRequest(url: url)
+    }
+
+}

ApexyLoaderExample/ApexyLoaderExample/Sources/Business Logic/Loaders/OrganisationLoader.swift

@@ -0,0 +1,25 @@
+//
+//  RepositoriesLoader.swift
+//  ApexyLoaderExample
+//
+//  Created by Daniil Subbotin on 04.03.2021.
+//
+
+import Foundation
+import ApexyLoader
+
+protocol OrganisationLoading: ContentLoading {
+    var state: LoadingState<Organisation> { get }
+}
+
+final class OrganisationLoader: WebLoader<Organisation>, OrganisationLoading {
+    func load() {
+        guard startLoading() else { return }
+        request(OrganisationEndpoint()) { result in
+            // imitation of waiting for the request for 3 seconds
+            DispatchQueue.main.asyncAfter(deadline: .now() + 3.0) {
+                self.finishLoading(result)
+            }
+        }
+    }
+}

ApexyLoaderExample/ApexyLoaderExample/Sources/Business Logic/Loaders/RepositoriesLoader.swift

@@ -0,0 +1,25 @@
+//
+//  RepositoriesLoader.swift
+//  ApexyLoaderExample
+//
+//  Created by Daniil Subbotin on 04.03.2021.
+//
+
+import Foundation
+import ApexyLoader
+
+protocol RepoLoading: ContentLoading {
+    var state: LoadingState<[Repository]> { get }
+}
+
+final class RepositoriesLoader: WebLoader<[Repository]>, RepoLoading {
+    func load() {
+        guard startLoading() else { return }
+        request(RepositoriesEndpoint()) { result in
+            // imitation of waiting for the request for 5 seconds
+            DispatchQueue.main.asyncAfter(deadline: .now() + 5.0) {
+                self.finishLoading(result)
+            }
+        }
+    }
+}

ApexyLoaderExample/ApexyLoaderExample/Sources/Business Logic/Models/Organisation.swift

@@ -0,0 +1,11 @@
+//
+//  Organisation.swift
+//  ApexyLoaderExample
+//
+//  Created by Daniil Subbotin on 09.03.2021.
+//
+
+struct Organisation: Decodable {
+    let name: String
+}
+