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better request management

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This commit is contained in:
Diogo
2024-10-22 15:13:34 +01:00
parent 0a9917de03
commit bafaf0f0ee
1 changed files with 6 additions and 2 deletions
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apps/ios/Shared/Views/Chat/ReverseList.swift
+6 -2
View File
@@ -63,6 +63,7 @@ struct ReverseList<Content: View>: UIViewControllerRepresentable {
private var bag = Set<AnyCancellable>()
private var lastContentOffset: CGFloat = 0
private var scrollDirection: ChatScrollDirection = .none
private var requestedRange = false
init(representer: ReverseList) {
self.representer = representer
@@ -91,13 +92,15 @@ struct ReverseList<Content: View>: UIViewControllerRepresentable {
self.dataSource = UITableViewDiffableDataSource<ChatSection, ChatItem>(
tableView: tableView
) { (tableView, indexPath, item) -> UITableViewCell? in
if let section = self.dataSource.sectionIdentifier(for: indexPath.section), self.representer.scrollState == .atDestination {
let itemCount = self.getTotalItemsInItemSection(indexPath: indexPath)
if let section = self.dataSource.sectionIdentifier(for: indexPath.section), self.representer.scrollState == .atDestination, !self.requestedRange {
if self.representer.sectionModel.activeSection == section {
let itemCount = self.getTotalItemsInItemSection(indexPath: indexPath)
if self.scrollDirection == .toOldest, indexPath.item > itemCount - 8 {
let lastItem = self.getLastItemInItemSection(indexPath: indexPath)
self.requestedRange = !self.representer.sectionModel.boundaries.oldest
self.representer.loadPage(.toOldest, section, lastItem)
} else if self.scrollDirection == .toLatest, indexPath.item < 8 {
self.requestedRange = !self.representer.sectionModel.boundaries.latest
let firstItem = self.getFirstItemInItemSection(indexPath: indexPath)
self.representer.loadPage(.toLatest, section, firstItem)
}
@@ -230,6 +233,7 @@ struct ReverseList<Content: View>: UIViewControllerRepresentable {
}
func update(items: [ChatItem]) {
requestedRange = false
var snapshot = NSDiffableDataSourceSnapshot<ChatSection, ChatItem>()
let sections = self.representer.sectionModel.getSectionsOrdered()
let itemsBySection = self.itemsBySection(items: items)