commented code

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

EmployeeDirectory/Views/EmployeeTableViewCell.swift

@@ -7,9 +7,17 @@
 import UIKit
 import Combine
 
+/// This is the Cell used in the EmployeesTableViewController to show
+/// the properties of an Employee model.
 public class EmployeeTableViewCell: UITableViewCell {
-    static let identifier = "EmployeeTableViewCell"
     
+    /// Used in the TableView registration
+    static let identifier = "EmployeeTableViewCell"
+
+    // MARK: - Properties
+
+    
+    /// UI Elements
     private let photoImageView = UIImageView()
     private let nameLabel = UILabel()
     private let emailLabel = UILabel()
@@ -19,7 +27,10 @@ public class EmployeeTableViewCell: UITableViewCell {
     private let bioLabel = UILabel()
     private let stackView = UIStackView()
     
-    private var cancellable: AnyCancellable?
+    /// Used for grabbing the photo
+    private var smallPhotoSubscriber: AnyCancellable?
+
+    // MARK: - Initializer
 
     public override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
         super.init(style: style, reuseIdentifier: reuseIdentifier)
@@ -30,6 +41,8 @@ public class EmployeeTableViewCell: UITableViewCell {
         fatalError("init(coder:) has not been implemented")
     }
     
+    // MARK: - Private Methods
+    
     private func setupUI() {
         // Configure photoImageView
         photoImageView.contentMode = .scaleAspectFill
@@ -93,9 +106,13 @@ public class EmployeeTableViewCell: UITableViewCell {
         ])
     }
     
+    // MARK: - Public Methods
+
+    
+    /// Override for setting back to a default state
     public override func prepareForReuse() {
         super.prepareForReuse()
-        cancellable = nil
+        smallPhotoSubscriber = nil
         photoImageView.image = UIImage(systemName: "person.crop.circle")
         nameLabel.text = nil
         emailLabel.text = nil
@@ -105,10 +122,12 @@ public class EmployeeTableViewCell: UITableViewCell {
         bioLabel.text = nil
     }
 
+    /// Configures the UI Elements with the properties of the EmployeeCellViewModel.
+    /// - Parameter viewModel: Employee Model wrapped for Cell.
     public func configure(with viewModel: EmployeeCellViewModel) {
 
         // Bind the image to the photoImageView
-        cancellable = viewModel.$smallPhoto
+        smallPhotoSubscriber = viewModel.$smallPhoto
             .receive(on: DispatchQueue.main)
             .sink { [weak self] image in
                 self?.photoImageView.image = image