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This commit is contained in:
Stefan Ceriu
2022-03-17 18:09:29 +02:00
parent 30378ae6a9
commit 120bcaf012
31 changed files with 542 additions and 207 deletions
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ElementX/Sources/Screens/RoomScreen/RoomScreenViewModel.swift
+26 -7
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@@ -29,24 +29,35 @@ class RoomScreenViewModel: RoomScreenViewModelType, RoomScreenViewModelProtocol
private let roomProxy: RoomProxyProtocol
private let timelineController: RoomTimelineControllerProtocol
private let timelineViewFactory: RoomTimelineViewFactory
// MARK: - Setup
init(roomProxy: RoomProxyProtocol, timelineController: RoomTimelineControllerProtocol) {
init(roomProxy: RoomProxyProtocol,
timelineController: RoomTimelineControllerProtocol,
timelineViewFactory: RoomTimelineViewFactory) {
self.roomProxy = roomProxy
self.timelineController = timelineController
self.timelineViewFactory = timelineViewFactory
super.init(initialViewState: RoomScreenViewState())
state.roomTitle = roomProxy.name ?? ""
state.timelineItems = timelineController.timelineItems
buildTimelineViews()
timelineController.callbacks.sink { [weak self] callback in
guard let self = self else { return }
switch callback {
case .updatedTimelineItems:
self.state.timelineItems = timelineController.timelineItems
self.buildTimelineViews()
case .updatedTimelineItem(let itemId):
guard let timelineItem = self.timelineController.timelineItems.first(where: { $0.id == itemId }),
let viewIndex = self.state.items.firstIndex(where: { $0.id == itemId }) else {
return
}
self.state.items[viewIndex] = timelineViewFactory.buildTimelineViewFor(timelineItem)
}
}.store(in: &cancellables)
}
@@ -60,10 +71,18 @@ class RoomScreenViewModel: RoomScreenViewModelType, RoomScreenViewModelProtocol
timelineController.paginateBackwards(Constants.backPaginationPageSize) { [weak self] _ in
self?.state.isBackPaginating = false
}
case .itemAppeared:
break
case .itemDisappeared:
break
case .itemAppeared(let id):
timelineController.processItemAppearance(id)
case .itemDisappeared(let id):
timelineController.processItemDisappearance(id)
}
}
// MARK: - Private
private func buildTimelineViews() {
state.items = timelineController.timelineItems.map { item in
timelineViewFactory.buildTimelineViewFor(item)
}
}
}