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This commit is contained in:
Imran Remtulla
2025-03-07 15:41:23 -05:00
parent 4200e1d954
commit 23c2664ead
1 changed files with 13 additions and 12 deletions
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25
lib/providers/apps_provider.dart
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@ -347,19 +347,20 @@ Future<File> downloadFile(String url, String fileName, bool fileNameHasExt,
var received = 0;
double? progress;
DateTime? lastProgressUpdate; // Track last progress update time
const throttleDuration = Duration(milliseconds: 100); // Throttle interval
if (rangeStart > 0 && fullContentLength != null) {
received = rangeStart;
}
const bufferSizeThreshold = 64 * 1024; // 64KB
final buffer = BytesBuilder(); // Efficiently accumulates bytes
const downloadUIUpdateInterval = Duration(milliseconds: 500);
const downloadBufferSize = 32 * 1024; // 32KB
final downloadBuffer = BytesBuilder();
await response.stream
.map((chunk) {
received += chunk.length;
final now = DateTime.now();
if (onProgress != null &&
(lastProgressUpdate == null ||
now.difference(lastProgressUpdate!) >= throttleDuration)) {
now.difference(lastProgressUpdate!) >=
downloadUIUpdateInterval)) {
progress = fullContentLength != null
? (received / fullContentLength) * 100
: 30;
@ -369,17 +370,17 @@ Future<File> downloadFile(String url, String fileName, bool fileNameHasExt,
return chunk;
})
.transform(StreamTransformer<List<int>, List<int>>.fromHandlers(
handleData: (List<int> data, EventSink<List<int>> sink) {
buffer.add(data);
if (buffer.length >= bufferSizeThreshold) {
sink.add(buffer.takeBytes());
handleData: (List<int> data, EventSink<List<int>> s) {
downloadBuffer.add(data);
if (downloadBuffer.length >= downloadBufferSize) {
s.add(downloadBuffer.takeBytes());
}
},
handleDone: (EventSink<List<int>> sink) {
if (buffer.isNotEmpty) {
sink.add(buffer.takeBytes());
handleDone: (EventSink<List<int>> s) {
if (downloadBuffer.isNotEmpty) {
s.add(downloadBuffer.takeBytes());
}
sink.close();
s.close();
},
))
.pipe(sink);