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Notifications: Load more newer pages

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This commit is contained in:
Thomas Ricouard 2023-02-06 20:08:29 +01:00
parent c5e43394c8
commit cf6a2f845f
2 changed files with 47 additions and 16 deletions
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10
Packages/Network/Sources/Network/Endpoint/Notifications.swift
View file

@ -1,9 +1,10 @@
import Foundation
public enum Notifications: Endpoint {
case notifications(sinceId: String?,
case notifications(minId: String?,
maxId: String?,
types: [String]?)
types: [String]?,
limit: Int)
case clear
public func path() -> String {
@ -17,8 +18,9 @@ public enum Notifications: Endpoint {
public func queryItems() -> [URLQueryItem]? {
switch self {
case let .notifications(sinceId, maxId, types):
var params = makePaginationParam(sinceId: sinceId, maxId: maxId, mindId: nil) ?? []
case let .notifications(mindId, maxId, types, limit):
var params = makePaginationParam(sinceId: nil, maxId: maxId, mindId: mindId) ?? []
params.append(.init(name: "limit", value: String(limit)))
if let types {
for type in types {
params.append(.init(name: "exclude_types[]", value: type))

53
Packages/Notifications/Sources/Notifications/NotificationsViewModel.swift
View file

@ -15,6 +15,10 @@ class NotificationsViewModel: ObservableObject {
case display(notifications: [ConsolidatedNotification], nextPageState: State.PagingState)
case error(error: Error)
}
enum Constants {
static let notificationLimit: Int = 30
}
public enum Tab: LocalizedStringKey, CaseIterable {
case all = "notifications.tab.all"
@ -60,17 +64,15 @@ class NotificationsViewModel: ObservableObject {
if consolidatedNotifications.isEmpty {
state = .loading
let notifications: [Models.Notification] =
try await client.get(endpoint: Notifications.notifications(sinceId: nil,
try await client.get(endpoint: Notifications.notifications(minId: nil,
maxId: nil,
types: queryTypes))
types: queryTypes,
limit: Constants.notificationLimit))
consolidatedNotifications = notifications.consolidated(selectedType: selectedType)
nextPageState = notifications.count < 15 ? .none : .hasNextPage
} else if let first = consolidatedNotifications.first {
var newNotifications: [Models.Notification] =
try await client.get(endpoint: Notifications.notifications(sinceId: first.id,
maxId: nil,
types: queryTypes))
nextPageState = consolidatedNotifications.notificationCount < 15 ? .none : .hasNextPage
nextPageState = notifications.count < Constants.notificationLimit ? .none : .hasNextPage
} else if let firstId = consolidatedNotifications.first?.id {
var newNotifications: [Models.Notification] = await fetchNewPages(minId: firstId, maxPages: 10)
nextPageState = consolidatedNotifications.notificationCount < Constants.notificationLimit ? .none : .hasNextPage
newNotifications = newNotifications.filter { notification in
!consolidatedNotifications.contains(where: { $0.id == notification.id })
}
@ -90,6 +92,31 @@ class NotificationsViewModel: ObservableObject {
state = .error(error: error)
}
}
private func fetchNewPages(minId: String, maxPages: Int) async -> [Models.Notification] {
guard let client else { return [] }
var pagesLoaded = 0
var allNotifications: [Models.Notification] = []
var latestMinId = minId
do {
while let newNotifications: [Models.Notification] =
try await client.get(endpoint: Notifications.notifications(minId: latestMinId,
maxId: nil,
types: queryTypes,
limit: Constants.notificationLimit)),
!newNotifications.isEmpty,
pagesLoaded < maxPages
{
pagesLoaded += 1
allNotifications.insert(contentsOf: newNotifications, at: 0)
latestMinId = newNotifications.first?.id ?? ""
}
} catch {
return allNotifications
}
return allNotifications
}
func fetchNextPage() async {
guard let client else { return }
@ -97,12 +124,14 @@ class NotificationsViewModel: ObservableObject {
guard let lastId = consolidatedNotifications.last?.notificationIds.last else { return }
state = .display(notifications: consolidatedNotifications, nextPageState: .loadingNextPage)
let newNotifications: [Models.Notification] =
try await client.get(endpoint: Notifications.notifications(sinceId: nil,
try await client.get(endpoint: Notifications.notifications(minId: nil,
maxId: lastId,
types: queryTypes))
types: queryTypes,
limit: Constants.notificationLimit))
consolidatedNotifications.append(contentsOf: newNotifications.consolidated(selectedType: selectedType))
await currentAccount?.fetchFollowerRequests()
state = .display(notifications: consolidatedNotifications, nextPageState: newNotifications.count < 15 ? .none : .hasNextPage)
state = .display(notifications: consolidatedNotifications,
nextPageState: newNotifications.count < Constants.notificationLimit ? .none : .hasNextPage)
} catch {
state = .error(error: error)
}