chore: Integrate demos (#217)

Examples/CategoriesHits/AppDelegate.swift

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+//
+//  AppDelegate.swift
+//  CategoriesHits
+//
+//  Created by Vladislav Fitc on 19/11/2021.
+//
+
+import UIKit
+
+@main
+class AppDelegate: UIResponder, UIApplicationDelegate {
+
+  func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
+    // Override point for customization after application launch.
+    return true
+  }
+
+  // MARK: UISceneSession Lifecycle
+
+  func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
+    // Called when a new scene session is being created.
+    // Use this method to select a configuration to create the new scene with.
+    return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
+  }
+
+  func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
+    // Called when the user discards a scene session.
+    // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
+    // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
+  }
+
+
+}
+

Examples/CategoriesHits/Assets.xcassets/AccentColor.colorset/Contents.json

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

Examples/CategoriesHits/Assets.xcassets/AppIcon.appiconset/Contents.json

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+{
+  "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
+  }
+}

Examples/CategoriesHits/Assets.xcassets/Contents.json

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+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Examples/CategoriesHits/Base.lproj/LaunchScreen.storyboard

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+<?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>

Examples/CategoriesHits/CategoriesHits.SearchResultsController.swift

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+//
+//  SearchResultsController.swift
+//  CategoriesHits
+//
+//  Created by Vladislav Fitc on 19/11/2021.
+//
+
+import Foundation
+import InstantSearch
+import UIKit
+
+extension CategoriesHits {
+
+  class SearchResultsController: UITableViewController {
+
+    var didSelectSuggestion: ((String) -> Void)?
+
+    enum Section: Int, CaseIterable {
+      case categories
+      case hits
+
+      var title: String {
+        switch self {
+        case .categories:
+          return "Categories"
+        case .hits:
+          return "Products"
+        }
+      }
+
+      var cellReuseIdentifier: String {
+        switch self {
+        case .categories:
+          return "categories"
+        case .hits:
+          return "hits"
+        }
+      }
+
+      init?(section: Int) {
+        self.init(rawValue: section)
+      }
+
+      init?(indexPath: IndexPath) {
+        self.init(section: indexPath.section)
+      }
+
+    }
+
+    weak var categoriesInteractor: FacetListInteractor? {
+      didSet {
+        oldValue?.onResultsUpdated.cancelSubscription(for: tableView)
+        guard let interactor = categoriesInteractor else { return }
+        interactor.onResultsUpdated.subscribe(with: tableView) { tableView, _ in
+          tableView.reloadData()
+        }.onQueue(.main)
+      }
+    }
+
+    weak var hitsInteractor: HitsInteractor<Hit<Product>>? {
+      didSet {
+        oldValue?.onResultsUpdated.cancelSubscription(for: tableView)
+        guard let interactor = hitsInteractor else { return }
+        interactor.onResultsUpdated.subscribe(with: tableView) { tableView, _ in
+          tableView.reloadData()
+        }.onQueue(.main)
+      }
+    }
+
+    override func viewDidLoad() {
+      super.viewDidLoad()
+      tableView.register(CategoryTableViewCell.self, forCellReuseIdentifier: Section.categories.cellReuseIdentifier)
+      tableView.register(ProductTableViewCell.self, forCellReuseIdentifier: Section.hits.cellReuseIdentifier)
+    }
+
+    override func numberOfSections(in tableView: UITableView) -> Int {
+      return Section.allCases.count
+    }
+
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+      guard let section = Section(rawValue: section) else { return 0 }
+      switch section {
+      case .categories:
+        return categoriesInteractor?.items.count ?? 0
+      case .hits:
+        return hitsInteractor?.numberOfHits() ?? 0
+      }
+    }
+
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+      guard let section = Section(rawValue: indexPath.section) else { return UITableViewCell() }
+
+      let cell: UITableViewCell
+
+      switch section {
+      case .categories:
+        cell = tableView.dequeueReusableCell(withIdentifier: Section.categories.cellReuseIdentifier, for: indexPath)
+        if
+          let categoryCell = cell as? CategoryTableViewCell,
+          let category = categoriesInteractor?.items[indexPath.row] {
+          categoryCell.setup(with: category)
+        }
+      case .hits:
+        cell = tableView.dequeueReusableCell(withIdentifier: Section.hits.cellReuseIdentifier, for: indexPath)
+        if
+          let productTableViewCell = cell as? ProductTableViewCell,
+          let hit = hitsInteractor?.hit(atIndex: indexPath.row) {
+          productTableViewCell.setup(with: hit)
+        }
+      }
+
+      return cell
+    }
+
+    override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
+      guard let section = Section(rawValue: section) else { return nil }
+      switch section {
+      case .categories where categoriesInteractor?.items.count ?? 0 == 0:
+        return nil
+      case .hits where hitsInteractor?.numberOfHits() ?? 0 == 0:
+        return nil
+      default:
+        return section.title
+      }
+    }
+
+    override func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
+      guard let section = Section(indexPath: indexPath) else { return 0 }
+      switch section {
+      case .categories:
+        return 44
+      case .hits:
+        return 100
+      }
+    }
+
+    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+      guard let section = Section(rawValue: indexPath.section) else { return }
+      switch section {
+      case .hits:
+        // Handle hit selection
+        break
+
+      case .categories:
+        // Handle category selection
+        break
+      }
+    }
+
+  }
+
+}