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[DataHolder]: Fixes for out-of-bounds condition and revert back to if-else instead of guard-else for better representation of logic

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This commit is contained in:
Magesh K
2025-01-12 00:03:25 +05:30
parent d13e469cf2
commit 61989e7d40
2 changed files with 36 additions and 40 deletions
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68
AltWidget/Providers/ActiveAppsTimelineProvider.swift
View File

@@ -41,49 +41,39 @@ class ActiveAppsTimelineProvider<T: WidgetInfo>: AppsTimelineProviderBase<Widge
apps = getSimulatedData(apps: apps)
#endif
// always first page since this is never updated
// always start with first page since defaultDataHolder is never updated
var currentPageApps = defaultDataHolder.currentPage(inItems: apps)
guard let widgetInfo = context,
let widgetID = widgetInfo.ID else
{
return currentPageApps
}
let navEvent = getPageInfo(widgetID: widgetID)
guard var navEvent = navEvent,
let direction = navEvent.direction else
{
// when widget is edited for new ID than the current,
// buttons were never triggered for this ID,
// hence nav-event or direction wasn't set yet
updatePageInfo(
widgetID: widgetID,
navEvent: NavigationEvent(direction: nil, consumed: true, dataHolder: PaginationDataHolder(other: defaultDataHolder))
)
return currentPageApps
}
let dataHolder = navEvent.dataHolder!
// process navigation request only if event wasn't consumed yet
if !navEvent.consumed {
switch (direction){
case Direction.up:
currentPageApps = dataHolder.prevPage(inItems: apps, whenUnavailable: .current)!
case Direction.down:
currentPageApps = dataHolder.nextPage(inItems: apps, whenUnavailable: .current)!
if let widgetInfo = context,
let widgetID = widgetInfo.ID {
var navEvent = getPageInfo(widgetID: widgetID)
if let event = navEvent,
let direction = event.direction
{
let dataHolder = event.dataHolder!
currentPageApps = dataHolder.currentPage(inItems: apps)
// process navigation request only if event wasn't consumed yet
if !event.consumed {
switch (direction){
case Direction.up:
currentPageApps = dataHolder.prevPage(inItems: apps, whenUnavailable: .current)!
case Direction.down:
currentPageApps = dataHolder.nextPage(inItems: apps, whenUnavailable: .current)!
}
// mark the event as consumed
// this prevents duplicate getUpdatedData() requests for same navigation event
navEvent!.consumed = true
}
}else{
// construct fresh/replace existing
navEvent = NavigationEvent(direction: nil, consumed: true, dataHolder: PaginationDataHolder(other: defaultDataHolder))
}
// mark the event as consumed
// this prevents duplicate getUpdatedData() requests for same navigation event
navEvent.consumed = true
}else{
// since the event was consumed, get the current page as-is for this dataholder
currentPageApps = dataHolder.currentPage(inItems: apps)
// put back the data
updatePageInfo(widgetID: widgetID, navEvent: navEvent)
}
// put back the data
updatePageInfo(widgetID: widgetID, navEvent: navEvent)
return currentPageApps
}

8
SideStore/Utils/pagination/PaginationDataHolder.swift
View File

@@ -77,7 +77,13 @@ public class PaginationDataHolder {
let count = UInt(items.count)
if(count == 0) { return items }
// since we operate on any input items list at any time,
// we set currentPageIndex as last availablePage if out of bounds
let availablePages = UInt(ceil(Double(count) / Double(itemsPerPage)))
self.currentPageindex = min(availablePages-1, currentPageindex)
let startIndex = currentPageindex * itemsPerPage
let estimatedEndIndex = startIndex + (itemsPerPage-1)
let endIndex: UInt = min(count-1, estimatedEndIndex)