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Keep a shadow copy of notifications so the streamed notifications can be reconsolidated

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This commit is contained in:
Thomas Ricouard 2023-01-27 17:23:41 +01:00
parent bec9ab8792
commit 1dd536c8e7
1 changed files with 10 additions and 4 deletions
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14
Packages/Notifications/Sources/Notifications/NotificationsViewModel.swift
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@ -23,6 +23,7 @@ class NotificationsViewModel: ObservableObject {
var client: Client? {
didSet {
if oldValue != client {
notifications = []
consolidatedNotifications = []
}
}
@ -32,6 +33,7 @@ class NotificationsViewModel: ObservableObject {
@Published var selectedType: Models.Notification.NotificationType? {
didSet {
if oldValue != selectedType {
notifications = []
consolidatedNotifications = []
Task {
await fetchNotifications()
@ -49,6 +51,7 @@ class NotificationsViewModel: ObservableObject {
return nil
}
private var notifications: [Models.Notification] = []
private var consolidatedNotifications: [ConsolidatedNotification] = []
func fetchNotifications() async {
@ -61,6 +64,7 @@ class NotificationsViewModel: ObservableObject {
try await client.get(endpoint: Notifications.notifications(sinceId: nil,
maxId: nil,
types: queryTypes))
self.notifications = notifications
consolidatedNotifications = notifications.consolidated()
nextPageState = notifications.count < 15 ? .none : .hasNextPage
} else if let first = consolidatedNotifications.first {
@ -72,6 +76,7 @@ class NotificationsViewModel: ObservableObject {
newNotifications = newNotifications.filter { notification in
!consolidatedNotifications.contains(where: { $0.id == notification.id })
}
self.notifications.append(contentsOf: newNotifications)
consolidatedNotifications.insert(contentsOf: newNotifications.consolidated(), at: 0)
}
withAnimation {
@ -93,6 +98,7 @@ class NotificationsViewModel: ObservableObject {
maxId: lastId,
types: queryTypes))
consolidatedNotifications.append(contentsOf: newNotifications.consolidated())
self.notifications.append(contentsOf: newNotifications)
state = .display(notifications: consolidatedNotifications, nextPageState: newNotifications.count < 15 ? .none : .hasNextPage)
} catch {
state = .error(error: error)
@ -111,11 +117,11 @@ class NotificationsViewModel: ObservableObject {
!consolidatedNotifications.contains(where: { $0.id == event.notification.id })
{
if let selectedType, event.notification.type == selectedType.rawValue {
consolidatedNotifications.insert(contentsOf: [event.notification].consolidated(),
at: 0)
notifications.insert(event.notification, at: 0)
consolidatedNotifications = notifications.consolidated()
} else if selectedType == nil {
consolidatedNotifications.insert(contentsOf: [event.notification].consolidated(),
at: 0)
notifications.insert(event.notification, at: 0)
consolidatedNotifications = notifications.consolidated()
}
state = .display(notifications: consolidatedNotifications, nextPageState: .hasNextPage)
}