Integrated the TopWordsView view into the FeedListViewController view controller in the Feed framework.

Frameworks/Feed/Bundle/Sources/Logic/View Models/FeedListViewModel.swift

@@ -29,7 +29,7 @@ extension FeedListViewController {
         @Published var isLoading: Bool = false
 
         var items: [Review] = []
-        var words: [WordCount] = []
+        var words: [TopWord] = []
         
         private var reviewsAll: [Review] = []
         private var reviewsFiltered: FilteredReviews = [:]
@@ -43,6 +43,18 @@ extension FeedListViewController {
         init(configuration: Configuration = .init()) {
             self.configuration = configuration
         }
+        
+        // MARK: Computed
+        var itemsCount: Int {
+            isWordsShowing
+                ? items.count
+                : items.count + 1
+        }
+        
+        var isWordsShowing: Bool {
+            filter != .all
+            && !words.isEmpty
+        }
 
         // MARK: Functions
         func fetch() {
@@ -66,7 +78,9 @@ extension FeedListViewController {
                             reviews.map(\.comment)
                                 .compactMap { try? filterWords($0) }
                         }
-                        .mapValues { topWords($0) }
+                        .mapValues {
+                            topWords($0).map(TopWord.init)
+                        }
 
                     items = reviewsAll
                     isFilterEnabled = !items.isEmpty
@@ -89,6 +103,14 @@ extension FeedListViewController {
 
             filter = option
         }
+        
+        func item(for index: Int) -> Review? {
+            guard index < items.count else { return nil }
+            
+            return isWordsShowing
+                ? items[index - 1]
+                : items[index]
+        }
 
     }
 }
@@ -98,6 +120,6 @@ private extension FeedListViewController.ViewModel {
     
     // MARK: Type aliases
     typealias FilteredReviews = [FilterOption: [Review]]
-    typealias TopWordsReviews = [FilterOption: [WordCount]]
+    typealias TopWordsReviews = [FilterOption: [TopWord]]
 
 }

Frameworks/Feed/Bundle/Sources/UI/View Controllers/FeedListViewController.swift

@@ -84,30 +84,18 @@ public class FeedListViewController: UITableViewController {
         _ tableView: UITableView,
         numberOfRowsInSection section: Int
     ) -> Int {
-        viewModel.items.count
+        viewModel.itemsCount
     }
     
     public override func tableView(
         _ tableView: UITableView,
         cellForRowAt indexPath: IndexPath
     ) -> UITableViewCell {
-        guard let cell = FeedItemCell.dequeue(from: tableView) else {
-            return .init()
+        if viewModel.isWordsShowing && indexPath.row == 0 {
+            makeTopWordsCell(tableView)
+        } else {
+            makeFeedItemCell(tableView, at: indexPath.row)
         }
-
-        cell.contentConfiguration = {
-            if #available(iOS 16.0, *) {
-                UIHostingConfiguration {
-                    FeedItemView(items[indexPath.row])
-                }
-            } else {
-                HostingConfiguration {
-                    FeedItemView(items[indexPath.row])
-                }
-            }
-        }()
-
-        return cell
     }
     
     // MARK: UITableViewDelegate
@@ -159,6 +147,54 @@ private extension FeedListViewController {
             .store(in: &cancellables)
     }
     
+    func makeFeedItemCell(
+        _ tableView: UITableView,
+        at row: Int
+    ) -> UITableViewCell {
+        guard
+            let cell = FeedItemCell.dequeue(from: tableView),
+            let item = viewModel.item(for: row)
+        else {
+            return .init()
+        }
+        
+        cell.separatorInset = .init(width: tableView.bounds.size.width)
+        cell.contentConfiguration = {
+            if #available(iOS 16.0, *) {
+                UIHostingConfiguration {
+                    FeedItemView(item)
+                }
+            } else {
+                HostingConfiguration {
+                    FeedItemView(item)
+                }
+            }
+        }()
+        
+        return cell
+    }
+    
+    func makeTopWordsCell(_ tableView: UITableView) -> UITableViewCell {
+        guard let cell = TopWordsCell.dequeue(from: tableView) else {
+            return .init()
+        }
+        
+        cell.separatorInset = .init(width: tableView.bounds.size.width)
+        cell.contentConfiguration = {
+            if #available(iOS 16.0, *) {
+                UIHostingConfiguration {
+                    TopWordsView(viewModel.words)
+                }
+            } else {
+                HostingConfiguration {
+                    TopWordsView(viewModel.words)
+                }
+            }
+        }()
+
+        return cell
+    }
+    
     func registerTableCells() {
         FeedItemCell.register(in: tableView)
         TopWordsCell.register(in: tableView)
@@ -234,6 +270,21 @@ private extension String {
     }
 }
 
+// MARK: - UIEdgeInsets+Inits
+private extension UIEdgeInsets {
+    
+    // MARK: Initialisers
+    init(width: CGFloat) {
+        self = .init(
+            top: 0,
+            left: width,
+            bottom: 0,
+            right: 0
+        )
+    }
+    
+}
+
 // MARK: - Previews
 #if DEBUG
 import ReviewsiTunesKit