45 lines
1.3 KiB
Dart
45 lines
1.3 KiB
Dart
class FileDownloadProgress {
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int chunksDownloaded = 0;
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int chunksTotal = 1;
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bool complete = false;
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bool gotManifest = false;
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bool _interrupted = false;
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// we keep track of both an explicit interrupt flag (for when a request fails or is explicitly cancelled)
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set interrupted(isInterrupted) {
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this._interrupted = isInterrupted;
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}
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// but we have a fuzzy get which depends on lastUpdate, if the file isn't complete, but the last update was more
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// that 30 seconds ago, we consider this download as failed.
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get interrupted => _interrupted || (DateTime.now().difference(lastUpdate).abs().inSeconds > 30 && !complete);
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String? downloadedTo;
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DateTime? timeStart;
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DateTime? timeEnd;
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DateTime? requested;
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DateTime lastUpdate = DateTime.fromMillisecondsSinceEpoch(0);
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FileDownloadProgress(this.chunksTotal, this.timeStart);
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double progress() {
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return 1.0 * chunksDownloaded / chunksTotal;
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}
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void markUpdate() {
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lastUpdate = DateTime.now();
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}
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}
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String prettyBytes(int bytes) {
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if (bytes > 1000000000) {
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return (1.0 * bytes / 1000000000).toStringAsFixed(1) + " GB";
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} else if (bytes > 1000000) {
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return (1.0 * bytes / 1000000).toStringAsFixed(1) + " MB";
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} else if (bytes > 1000) {
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return (1.0 * bytes / 1000).toStringAsFixed(1) + " kB";
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} else {
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return bytes.toString() + " B";
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}
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}
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