Add mentions filter in notifications

Packages/Network/Sources/Network/Endpoint/Notifications.swift

@@ -1,7 +1,7 @@
 import Foundation
 
 public enum Notifications: Endpoint {
-  case notifications(maxId: String?)
+  case notifications(maxId: String?, onlyMentions: Bool)
   
   public func path() -> String {
     switch self {
@@ -12,9 +12,15 @@ public enum Notifications: Endpoint {
   
   public func queryItems() -> [URLQueryItem]? {
     switch self {
-    case .notifications(let maxId):
+    case .notifications(let maxId, let onlyMentions):
-      guard let maxId else { return nil }
+      var params: [URLQueryItem] = []
-      return [.init(name: "max_id", value: maxId)]
+      if onlyMentions {
+        params.append(.init(name: "types[]", value: "mention"))
+      }
+      if let maxId {
+        params.append(.init(name: "max_id", value: maxId))
+      }
+      return params
     }
   }
 }

Packages/Notifications/Sources/Notifications/NotificationsListView.swift

@@ -14,7 +14,16 @@ public struct NotificationsListView: View {
     ScrollView {
       LazyVStack {
         if client.isAuth {
-          notificationsView
+          Picker("", selection: $viewModel.tab) {
+            ForEach(NotificationsViewModel.Tab.allCases, id: \.self) { tab in
+              Text(tab.rawValue)
+            }
+          }
+          .pickerStyle(.segmented)
+          Group {
+            notificationsView
+          }
+          .padding(.top, 16)
         } else {
           Text("Please Sign In to see your notifications")
             .font(.title3)

Packages/Notifications/Sources/Notifications/NotificationsViewModel.swift

@@ -14,8 +14,21 @@ class NotificationsViewModel: ObservableObject {
     case error(error: Error)
   }
   
+  public enum Tab: String, CaseIterable {
+    case all = "All"
+    case mentions = "Mentions"
+  }
+  
   var client: Client?
   @Published var state: State = .loading
+  @Published var tab: Tab = .all {
+    didSet {
+      notifications = []
+      Task {
+        await fetchNotifications()
+      }
+    }
+  }
   
   private var notifications: [Models.Notification] = []
   
@@ -25,7 +38,8 @@ class NotificationsViewModel: ObservableObject {
       if notifications.isEmpty {
         state = .loading
       }
-      notifications = try await client.get(endpoint: Notifications.notifications(maxId: nil))
+      notifications = try await client.get(endpoint: Notifications.notifications(maxId: nil,
+                                                                                 onlyMentions: tab == .mentions))
       state = .display(notifications: notifications, nextPageState: .hasNextPage)
     } catch {
       state = .error(error: error)
@@ -37,7 +51,8 @@ class NotificationsViewModel: ObservableObject {
     do {
       guard let lastId = notifications.last?.id else { return }
       state = .display(notifications: notifications, nextPageState: .loadingNextPage)
-      let newNotifications: [Models.Notification] = try await client.get(endpoint: Notifications.notifications(maxId: lastId))
+      let newNotifications: [Models.Notification] = try await client.get(endpoint: Notifications.notifications(maxId: lastId,
+                                                                                                               onlyMentions: tab == .mentions))
       notifications.append(contentsOf: newNotifications)
       state = .display(notifications: notifications, nextPageState: .hasNextPage)
     } catch {