41 lines
1.1 KiB
C#
41 lines
1.1 KiB
C#
using System;
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using System.Net.Http;
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using System.Threading.Tasks;
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using Dinah.Core.Net.Http;
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namespace FileLiberator
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{
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// currently only used to download the .zip flies for upgrade
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public class DownloadFile : IStreamable
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{
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public event EventHandler<string> StreamingBegin;
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public event EventHandler<DownloadProgress> StreamingProgressChanged;
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public event EventHandler<string> StreamingCompleted;
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public event EventHandler<TimeSpan> StreamingTimeRemaining;
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public async Task<string> PerformDownloadFileAsync(string downloadUrl, string proposedDownloadFilePath)
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{
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var client = new HttpClient();
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var progress = new Progress<DownloadProgress>();
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progress.ProgressChanged += OnProgressChanged;
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StreamingBegin?.Invoke(this, proposedDownloadFilePath);
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try
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{
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var actualDownloadedFilePath = await client.DownloadFileAsync(downloadUrl, proposedDownloadFilePath, progress);
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return actualDownloadedFilePath;
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}
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finally
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{
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StreamingCompleted?.Invoke(this, proposedDownloadFilePath);
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}
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}
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private void OnProgressChanged(object sender, DownloadProgress e)
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{
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StreamingProgressChanged?.Invoke(this, e);
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}
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}
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}
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