added search

Signed-off-by: Matt Bruce <mbrucedogs@gmail.com>

EmployeeDirectory.xcodeproj/project.pbxproj

@@ -301,7 +301,8 @@
 				INFOPLIST_FILE = EmployeeDirectory/Info.plist;
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
 				INFOPLIST_KEY_UILaunchStoryboardName = LaunchScreen;
-				INFOPLIST_KEY_UISupportedInterfaceOrientations = UIInterfaceOrientationPortrait;
+				INFOPLIST_KEY_UISupportedInterfaceOrientations = "UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight UIInterfaceOrientationPortrait";
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = UIInterfaceOrientationPortrait;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -327,7 +328,8 @@
 				INFOPLIST_FILE = EmployeeDirectory/Info.plist;
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
 				INFOPLIST_KEY_UILaunchStoryboardName = LaunchScreen;
-				INFOPLIST_KEY_UISupportedInterfaceOrientations = UIInterfaceOrientationPortrait;
+				INFOPLIST_KEY_UISupportedInterfaceOrientations = "UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight UIInterfaceOrientationPortrait";
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = UIInterfaceOrientationPortrait;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",

EmployeeDirectory/Models/Employee.swift

@@ -27,7 +27,7 @@ public enum EmployeeType: String, Codable, CustomStringConvertible {
 /// Employee Object
 /// JSON Object defintion
 /// - https://square.github.io/microsite/mobile-interview-project/
-public struct Employee: Codable {
+public struct Employee: Hashable, Codable {
     
     /// The unique identifier for the employee. Represented as a UUID.
     public let uuid: UUID

EmployeeDirectory/Protocols/EmployeeServiceProtocol.swift

@@ -10,7 +10,6 @@
 public protocol EmployeeServiceProtocol {
     
     /// This will get a list of all employees
-    /// - Parameter serviceMode: Mode in which to hit.
     /// - Returns: An Employees struct
-    func getEmployees(_ serviceMode: EmployeeServiceMode) async throws -> Employees
+    func getEmployees() async throws -> Employees
 }

EmployeeDirectory/Services/EmployeeService.swift

@@ -7,11 +7,22 @@
 import Foundation
 
 /// These are the testing URL Endpoints for different states
-public enum EmployeeServiceMode: String, CaseIterable {
+internal enum EmployeeServiceMode: String, CaseIterable {
     case production
     case malformed
     case empty
     
+    public var service: EmployeeServiceProtocol {
+        switch self {
+        case .production:
+            return EmployeeService.shared
+        case .malformed:
+            return EmployeeMalformedService.shared
+        case .empty:
+            return EmployeeEmptyService.shared
+        }
+    }
+    
     /// Enpoint in which to grabe employees from.
     public var endpoint: String {
         switch self {
@@ -39,7 +50,45 @@ public class EmployeeService: EmployeeServiceProtocol {
     /// This will get a list of all employees
     /// - Parameter serviceMode: Mode in which to hit.
     /// - Returns: An Employees struct
-    public func getEmployees(_ serviceMode: EmployeeServiceMode = .production) async throws -> Employees {
-        return try await NetworkService.shared.fetchData(from: serviceMode.endpoint, as: Employees.self)
+    public func getEmployees() async throws -> Employees {
+        return try await NetworkService.shared.fetchData(from: EmployeeServiceMode.production.endpoint, as: Employees.self)
+    }
+}
+
+/// Service Layer for Employees
+public class EmployeeMalformedService: EmployeeServiceProtocol {
+    // MARK: - Properties
+    public static let shared = EmployeeMalformedService() // Default shared instance
+
+    // MARK: - Initializer
+
+    public init() {}
+    
+    // MARK: - Public Methods
+
+    /// This will get a list of all employees
+    /// - Parameter serviceMode: Mode in which to hit.
+    /// - Returns: An Employees struct
+    public func getEmployees() async throws -> Employees {
+        return try await NetworkService.shared.fetchData(from: EmployeeServiceMode.malformed.endpoint, as: Employees.self)
+    }
+}
+
+/// Service Layer for Employees
+public class EmployeeEmptyService: EmployeeServiceProtocol {
+    // MARK: - Properties
+    public static let shared = EmployeeEmptyService() // Default shared instance
+
+    // MARK: - Initializer
+
+    public init() {}
+    
+    // MARK: - Public Methods
+
+    /// This will get a list of all employees
+    /// - Parameter serviceMode: Mode in which to hit.
+    /// - Returns: An Employees struct
+    public func getEmployees() async throws -> Employees {
+        return try await NetworkService.shared.fetchData(from: EmployeeServiceMode.empty.endpoint, as: Employees.self)
     }
 }

EmployeeDirectory/ViewControllers/EmployeesViewController.swift

@@ -16,6 +16,9 @@ class EmployeesViewController: UIViewController {
     /// List for the employees
     private let tableView = UITableView()
     
+    /// Filtering the employees
+    private let searchBar = UISearchBar()
+    
     /// Will only show when fetching data occurs
     private let activityIndicator = UIActivityIndicatorView(style: .large)
     
@@ -31,26 +34,77 @@ class EmployeesViewController: UIViewController {
     /// Will show specific state of the viewModel
     private var footerView: TableFooterView?
     
+    private var dataSource: UITableViewDiffableDataSource<Int, Employee>!
+
     // MARK: - Public Methods
 
     public override func viewDidLoad() {
         super.viewDidLoad()
         setupUI()
+        setupDataSource()
         bindViewModel()
         viewModel.fetchEmployees()
     }
     
     // MARK: - Private Methods
     
+    
+    /// Setup TableView dataSource
+    private func setupDataSource() {
+        dataSource = UITableViewDiffableDataSource<Int, Employee>(tableView: tableView) { tableView, indexPath, employee in
+            guard let cell = tableView.dequeueReusableCell(withIdentifier: EmployeeTableViewCell.identifier,for: indexPath) as? EmployeeTableViewCell else {
+                return UITableViewCell()
+            }
+            cell.configure(with: EmployeeCellViewModel(employee: employee))
+            return cell
+        }
+    }
+    
+    /// Snapshot Handling
+    private func applySnapshot(employees: [Employee]) {
+        var snapshot = NSDiffableDataSourceSnapshot<Int, Employee>()
+        snapshot.appendSections([0])
+        snapshot.appendItems(employees, toSection: 0)
+        dataSource.apply(snapshot, animatingDifferences: true)
+    }
+    
     /// Setup the UI by adding the views to the main view
     private func setupUI() {
         view.backgroundColor = .white
         
         // Configure TableView
+        tableView.translatesAutoresizingMaskIntoConstraints = false
         tableView.register(EmployeeTableViewCell.self, forCellReuseIdentifier: EmployeeTableViewCell.identifier)
-        tableView.dataSource = self
-        view.addSubview(tableView)
-        tableView.frame = view.bounds
+        tableView.estimatedRowHeight = 80 // Provide a reasonable default height
+        tableView.rowHeight = UITableView.automaticDimension // Enable dynamic row height
+        
+        // Configure Segmented Control
+        let segmentedContainer = UIView()
+        segmentedContainer.translatesAutoresizingMaskIntoConstraints = false
+        segmentedContainer.addSubview(modeSegmentedControl)
+        
+        modeSegmentedControl.selectedSegmentIndex = 0
+        modeSegmentedControl.addTarget(self, action: #selector(onServiceModeChange), for: .valueChanged)
+        modeSegmentedControl.translatesAutoresizingMaskIntoConstraints = false
+
+        let stackView = UIStackView(arrangedSubviews: [segmentedContainer, tableView])
+        stackView.translatesAutoresizingMaskIntoConstraints = false
+        stackView.axis = .vertical
+        stackView.distribution = .fill
+        stackView.spacing = 5
+        
+        view.addSubview(stackView)
+        
+        NSLayoutConstraint.activate([
+            stackView.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor),
+            stackView.leadingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leadingAnchor),
+            stackView.trailingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.trailingAnchor),
+            stackView.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor),
+            modeSegmentedControl.topAnchor.constraint(equalTo: segmentedContainer.topAnchor),
+            modeSegmentedControl.bottomAnchor.constraint(equalTo: segmentedContainer.bottomAnchor, constant: -5),
+            modeSegmentedControl.leadingAnchor.constraint(equalTo: segmentedContainer.leadingAnchor, constant: 16),
+            modeSegmentedControl.trailingAnchor.constraint(equalTo: segmentedContainer.trailingAnchor, constant: -16)
+        ])
                                     
         //add pull to refresh
         tableView.refreshControl = UIRefreshControl()
@@ -60,20 +114,19 @@ class EmployeesViewController: UIViewController {
         activityIndicator.center = view.center
         view.addSubview(activityIndicator)
 
-        // Configure Mode Selector
-        modeSegmentedControl.selectedSegmentIndex = 0
-        modeSegmentedControl.addTarget(self, action: #selector(onServiceModeChange), for: .valueChanged)
-        navigationItem.titleView = modeSegmentedControl
+        /// setup Search
+        searchBar.placeholder = "Search employees"
+        searchBar.delegate = self
+        navigationItem.titleView = searchBar
     }
     
     /// Using the ViewModel setup combine handlers
     private func bindViewModel() {
         viewModel.$employees
             .receive(on: RunLoop.main)
-            .sink { [weak self] _ in
+            .sink { [weak self] employees in
                 self?.updateFooter()
-                self?.tableView.reloadData()
-                self?.tableView.refreshControl?.endRefreshing()
+                self?.applySnapshot(employees: employees)
             }
             .store(in: &cancellables)
         
@@ -84,6 +137,8 @@ class EmployeesViewController: UIViewController {
                     self?.activityIndicator.startAnimating()
                 } else {
                     self?.activityIndicator.stopAnimating()
+                    self?.tableView.refreshControl?.endRefreshing()
+                    self?.updateFooter()
                 }
             }
             .store(in: &cancellables)
@@ -100,7 +155,7 @@ class EmployeesViewController: UIViewController {
     private func updateFooter() {
         var message: String? {
             guard !viewModel.isLoading else { return nil }
-            return viewModel.errorMessage ?? (viewModel.employees.isEmpty ? "No employees found, please try to refresh." : nil)
+            return viewModel.errorMessage ?? (viewModel.employees.isEmpty ? "No employees found" : nil)
         }
         
         if let message, !viewModel.isLoading {
@@ -136,22 +191,18 @@ extension EmployeesViewController {
         case 2: selectedMode = .empty
         default: return
         }
-        viewModel.changeMode(to: selectedMode)
+        viewModel.changeService(to: selectedMode.service)
     }
 }
 
-/// Mark: - UITableViewDataSource
-extension EmployeesViewController: UITableViewDataSource {
-    public func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
-        return viewModel.employees.count
+extension EmployeesViewController: UISearchBarDelegate {
+    public func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
+        viewModel.searchText = searchText // Updates search text in ViewModel
     }
     
-    public func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
-        guard let cell = tableView.dequeueReusableCell(withIdentifier: EmployeeTableViewCell.identifier, for: indexPath) as? EmployeeTableViewCell else {
-            return UITableViewCell()
-        }
-        let employee = viewModel.employees[indexPath.row]
-        cell.configure(with: EmployeeCellViewModel(employee: employee))
-        return cell
+    func searchBarCancelButtonClicked(_ searchBar: UISearchBar) {
+        searchBar.text = ""
+        searchBar.resignFirstResponder()
+        viewModel.searchText = "" // Clear search and reset list
     }
 }

EmployeeDirectory/ViewModels/EmployeesViewModel.swift

@@ -6,18 +6,34 @@
 //
 
 import Foundation
+import Combine
 
 /// ViewModel that will be bound to an Employees model and used
 /// specifically with the EmployeesViewController.
 @MainActor
 public class EmployeesViewModel: ObservableObject {
-    private var serviceMode: EmployeeServiceMode = .production
+    private var employeeService: EmployeeServiceProtocol = EmployeeService()
 
+    private var allEmployees: [Employee] = [] // Holds unfiltered employees
     @Published public private(set) var employees: [Employee] = []
     @Published public private(set) var errorMessage: String? = nil
     @Published public private(set) var isLoading: Bool = false
+    @Published public var searchText: String = "" // User input from search bar
+    private var cancellables = Set<AnyCancellable>()
+    public init() {
+        setupSearch()
+    }
     
-    public init() {}
+    /// Sets up Combine to filter employees as the search text changes
+    private func setupSearch() {
+        $searchText
+            .debounce(for: .milliseconds(300), scheduler: DispatchQueue.main) // Add delay to avoid frequent filtering
+            .removeDuplicates()
+            .sink { [weak self] query in
+                self?.filterEmployees(by: query)
+            }
+            .store(in: &cancellables)
+    }
     
     public func fetchEmployees() {
         // resetting values out the values before fetching new data
@@ -27,10 +43,11 @@ public class EmployeesViewModel: ObservableObject {
         Task {
             do {
                 // Fetch employees using the async method
-                let wrapper = try await EmployeeService.shared.getEmployees(serviceMode)
+                let wrapper = try await employeeService.getEmployees()
                 
                 // Update published properties
-                employees = wrapper.employees
+                allEmployees = wrapper.employees
+                filterEmployees(by: searchText)
                 isLoading = false
 
             } catch {
@@ -43,9 +60,23 @@ public class EmployeesViewModel: ObservableObject {
 
     }
     
-    public func changeMode(to mode: EmployeeServiceMode) {
-        serviceMode = mode
+    public func changeService(to employeeService: EmployeeServiceProtocol) {
+        self.employeeService = employeeService
         fetchEmployees()
     }
+    
+    /// Filters employees based on search query
+    private func filterEmployees(by query: String) {
+        if query.isEmpty {
+            employees = allEmployees // Reset to all employees if no search text
+        } else {
+            employees = allEmployees.filter { employee in
+                employee.fullName.lowercased().contains(query.lowercased()) ||
+                employee.team.lowercased().contains(query.lowercased()) ||
+                employee.emailAddress.lowercased().contains(query.lowercased())
+            }
+        }
+    }
+
 }
 

EmployeeDirectory/Views/EmployeeTableViewCell.swift

@@ -128,6 +128,7 @@ public class EmployeeTableViewCell: UITableViewCell {
 
         // Bind the image to the photoImageView
         smallPhotoSubscriber = viewModel.$smallPhoto
+            .compactMap { $0 }
             .receive(on: DispatchQueue.main)
             .sink { [weak self] image in
                 self?.photoImageView.image = image