created a TableFooterView to be used and refactored ViewController

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

EmployeeDirectory/ViewControllers/EmployeesViewController.swift

@@ -14,6 +14,7 @@ class EmployeesViewController: UIViewController {
     private let modeSegmentedControl = UISegmentedControl(items: EmployeeServiceMode.allCases.map{ $0.rawValue } )
     private let viewModel = EmployeesViewModel()
     private var cancellables = Set<AnyCancellable>()
+    private var footerView: TableFooterView?
     
     public override func viewDidLoad() {
         super.viewDidLoad()
@@ -89,10 +90,12 @@ class EmployeesViewController: UIViewController {
         }
         
         if let message, !viewModel.isLoading {
-            let footerView = UILabel()
-            footerView.font = .systemFont(ofSize: 17, weight: .medium)
-            footerView.text = message
-            footerView.frame = CGRect(x: 0, y: 0, width: tableView.frame.width, height: 150)
+            // Lazy initialize footerView if needed
+            if footerView == nil {
+                footerView = TableFooterView(message: message)
+            } else { // Update the message
+                footerView?.update(message: message)
+            }
             tableView.tableFooterView = footerView
         } else {
             tableView.tableFooterView = nil

EmployeeDirectory/Views/TableFooterView.swift

@@ -0,0 +1,51 @@
+//
+//  EmptyStateFooterView.swift
+//  EmployeeDirectory
+//
+//  Created by Matt Bruce on 1/20/25.
+//
+import UIKit
+
+public class TableFooterView: UIView {
+    
+    /// Label used to show the message
+    private let messageLabel: UILabel = {
+        let label = UILabel()
+        label.textColor = .gray
+        label.textAlignment = .center
+        label.font = UIFont.preferredFont(forTextStyle: .body) // Use a text style for Dynamic Type
+        label.adjustsFontForContentSizeCategory = true // Enable Dynamic Type adjustments
+        label.numberOfLines = 0
+        label.translatesAutoresizingMaskIntoConstraints = false
+        return label
+    }()
+    
+    init(message: String) {
+        super.init(frame: .zero)
+        setupUI()
+        update(message: message)
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    /// Setup the UI
+    private func setupUI() {
+        addSubview(messageLabel)
+        NSLayoutConstraint.activate([
+            messageLabel.centerXAnchor.constraint(equalTo: centerXAnchor),
+            messageLabel.centerYAnchor.constraint(equalTo: centerYAnchor),
+            messageLabel.leadingAnchor.constraint(equalTo: leadingAnchor, constant: 16),
+            messageLabel.trailingAnchor.constraint(equalTo: trailingAnchor, constant: -16)
+        ])
+    }
+    
+    
+    /// Updates the Current Message
+    /// - Parameter message: message to show
+    public func update(message: String) {
+        messageLabel.text = message
+    }
+    
+}