Display thread when row tapped

Riot/Modules/Threads/ThreadList/ThreadListCoordinator.swift

@@ -65,6 +65,10 @@ extension ThreadListCoordinator: ThreadListViewModelCoordinatorDelegate {
         self.delegate?.threadListCoordinatorDidLoadThreads(self)
     }
     
+    func threadListViewModelDidSelectThread(_ viewModel: ThreadListViewModelProtocol, thread: MXThread) {
+        self.delegate?.threadListCoordinatorDidSelectThread(self, thread: thread)
+    }
+    
     func threadListViewModelDidCancel(_ viewModel: ThreadListViewModelProtocol) {
         self.delegate?.threadListCoordinatorDidCancel(self)
     }

Riot/Modules/Threads/ThreadList/ThreadListCoordinatorProtocol.swift

@@ -20,6 +20,7 @@ import Foundation
 
 protocol ThreadListCoordinatorDelegate: AnyObject {
     func threadListCoordinatorDidLoadThreads(_ coordinator: ThreadListCoordinatorProtocol)
+    func threadListCoordinatorDidSelectThread(_ coordinator: ThreadListCoordinatorProtocol, thread: MXThread)
     func threadListCoordinatorDidCancel(_ coordinator: ThreadListCoordinatorProtocol)
 }
 

Riot/Modules/Threads/ThreadList/ThreadListViewAction.swift

@@ -21,8 +21,9 @@ import Foundation
 /// ThreadListViewController view actions exposed to view model
 enum ThreadListViewAction {
     case loadData
+    case complete
     case showFilterTypes
     case selectFilterType(_ type: ThreadListFilterType)
-    case complete
+    case selectThread(_ index: Int)
     case cancel
 }

Riot/Modules/Threads/ThreadList/ThreadListViewController.swift

@@ -114,7 +114,9 @@ final class ThreadListViewController: UIViewController {
         titleView.mode = .allThreads
         titleView.viewDelegate = self
         titleView.configure(withViewModel: viewModel.titleViewModel)
-        navigationItem.titleView = titleView
+        navigationItem.leftItemsSupplementBackButton = true
+        navigationItem.backBarButtonItem = UIBarButtonItem(title: nil, style: .plain, target: nil, action: nil)
+        navigationItem.leftBarButtonItem = UIBarButtonItem(customView: titleView)
         
         self.threadsTableView.tableFooterView = UIView()
         self.threadsTableView.register(cellType: ThreadTableViewCell.self)
@@ -231,6 +233,8 @@ extension ThreadListViewController: UITableViewDelegate {
     
     func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
         tableView.deselectRow(at: indexPath, animated: true)
+        
+        viewModel.process(viewAction: .selectThread(indexPath.row))
     }
     
 }

Riot/Modules/Threads/ThreadList/ThreadListViewModel.swift

@@ -63,13 +63,15 @@ final class ThreadListViewModel: ThreadListViewModelProtocol {
         switch viewAction {
         case .loadData:
             loadData()
+        case .complete:
+            coordinatorDelegate?.threadListViewModelDidLoadThreads(self)
         case .showFilterTypes:
             viewState = .showingFilterTypes
         case .selectFilterType(let type):
             selectedFilterType = type
             loadData()
-        case .complete:
-            coordinatorDelegate?.threadListViewModelDidLoadThreads(self)
+        case .selectThread(let index):
+            selectThread(index)
         case .cancel:
             cancelOperations()
             coordinatorDelegate?.threadListViewModelDidCancel(self)
@@ -226,6 +228,14 @@ final class ThreadListViewModel: ThreadListViewModelProtocol {
         }
     }
     
+    private func selectThread(_ index: Int) {
+        guard index < threads.count else {
+            return
+        }
+        let thread = threads[index]
+        coordinatorDelegate?.threadListViewModelDidSelectThread(self, thread: thread)
+    }
+    
     private func cancelOperations() {
         self.currentOperation?.cancel()
     }

Riot/Modules/Threads/ThreadList/ThreadListViewModelProtocol.swift

@@ -24,6 +24,7 @@ protocol ThreadListViewModelViewDelegate: AnyObject {
 
 protocol ThreadListViewModelCoordinatorDelegate: AnyObject {
     func threadListViewModelDidLoadThreads(_ viewModel: ThreadListViewModelProtocol)
+    func threadListViewModelDidSelectThread(_ viewModel: ThreadListViewModelProtocol, thread: MXThread)
     func threadListViewModelDidCancel(_ viewModel: ThreadListViewModelProtocol)
 }