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ServiceLayer/Sources/ServiceLayer/Services/StatusListService.swift

@@ -10,6 +10,7 @@ public struct StatusListService {
     public let statusSections: AnyPublisher<[[Status]], Error>
     public let paginates: Bool
     public let contextParentID: String?
+    public var title: String?
 
     private let filterContext: Filter.Context
     private let mastodonAPIClient: MastodonAPIClient
@@ -28,9 +29,16 @@ extension StatusListService {
             filterContext = .public
         }
 
+        var title: String?
+
+        if case let .tag(tag) = timeline {
+            title = "#".appending(tag)
+        }
+
         self.init(statusSections: contentDatabase.statusesObservation(timeline: timeline),
                   paginates: true,
                   contextParentID: nil,
+                  title: title,
                   filterContext: filterContext,
                   mastodonAPIClient: mastodonAPIClient,
                   contentDatabase: contentDatabase) { maxID, minID in
@@ -54,10 +62,15 @@ public extension StatusListService {
         StatusService(status: status, mastodonAPIClient: mastodonAPIClient, contentDatabase: contentDatabase)
     }
 
+    func service(timeline: Timeline) -> Self {
+        Self(timeline: timeline, mastodonAPIClient: mastodonAPIClient, contentDatabase: contentDatabase)
+    }
+
     func contextService(statusID: String) -> Self {
         Self(statusSections: contentDatabase.contextObservation(parentID: statusID),
              paginates: false,
              contextParentID: statusID,
+             title: nil,
              filterContext: .thread,
              mastodonAPIClient: mastodonAPIClient,
              contentDatabase: contentDatabase) { _, _ in

View Controllers/StatusListViewController.swift

@@ -49,6 +49,8 @@ final class StatusListViewController: UITableViewController {
         tableView.cellLayoutMarginsFollowReadableWidth = true
         tableView.tableFooterView = UIView()
 
+        navigationItem.title = viewModel.title
+
         viewModel.$statusIDs
             .sink { [weak self] statusIDs in
                 guard let self = self else { return }

ViewModels/Sources/ViewModels/StatusListViewModel.swift

@@ -46,6 +46,8 @@ public extension StatusListViewModel {
 }
 
 public extension StatusListViewModel {
+    var title: String? { statusListService.title }
+
     var paginates: Bool { statusListService.paginates }
 
     var contextParentID: String? { statusListService.contextParentID }
@@ -121,7 +123,9 @@ private extension StatusListViewModel {
                     StatusListViewModel(
                         statusListService: statusListService.contextService(statusID: id)))
             case let .tag(tag):
-                return nil
+                return .statusListNavigation(
+                    StatusListViewModel(
+                        statusListService: statusListService.service(timeline: Timeline.tag(tag))))
             }
         case let .share(url):
             return .share(url)