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Code Issues 454 Packages Projects Releases 10 Wiki Activity

Clean up progress logic

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ronaldheft
2022-08-08 17:21:13 -04:00
parent 948cd3068a
commit 8e2be4704e
1 changed files with 19 additions and 23 deletions
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ios/App/App/plugins/AbsDownloader.swift
+19 -23
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@@ -106,38 +106,34 @@ public class AbsDownloader: CAPPlugin, URLSessionDownloadDelegate {
self.progressStatusWorkItem = DispatchWorkItem { [weak self] in
// Clean up the work item when done
defer { self?.progressStatusWorkItem = nil }
var downloadItemProgress = [String: DownloadItem]()
// Get the latest progress
self?.progressStatusQueue.sync {
if let progressItems = self?.downloadItemProgress {
downloadItemProgress = progressItems
// Fetch active downloads in a thread-safe way
func fetchActiveDownloads() -> [String: DownloadItem]? {
self?.progressStatusQueue.sync { self?.downloadItemProgress }
}
// Remove a completed download item in a thread-safe way
func handleDoneDownloadItem(_ item: DownloadItem) {
self?.progressStatusQueue.async(flags: .barrier) {
defer {
Database.shared.removeDownloadItem(item)
self?.downloadItemProgress.removeValue(forKey: item.id!)
}
self?.handleDownloadTaskCompleteFromDownloadItem(item)
}
}
while !downloadItemProgress.isEmpty {
for item in downloadItemProgress.values {
try? self?.notifyListeners("onItemDownloadUpdate", data: item.asDictionary())
// Clean up a completed download
if item.isDoneDownloading() {
self?.progressStatusQueue.async(flags: .barrier) {
self?.downloadItemProgress.removeValue(forKey: item.id!)
}
defer { Database.shared.removeDownloadItem(item) }
self?.handleDownloadTaskCompleteFromDownloadItem(item)
// While there are active download items, emit status updates
while !(fetchActiveDownloads()?.isEmpty ?? false) {
if let activeDownloads = fetchActiveDownloads() {
for item in activeDownloads.values {
try? self?.notifyListeners("onItemDownloadUpdate", data: item.asDictionary())
if item.isDoneDownloading() { handleDoneDownloadItem(item) }
}
}
// Wait 200ms before reporting status again
Thread.sleep(forTimeInterval: TimeInterval(0.2))
// Get the latest progress
self?.progressStatusQueue.sync {
if let progressItems = self?.downloadItemProgress {
downloadItemProgress = progressItems
}
}
}
}