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Merge remote-tracking branch 'origin/feature/prereq-download-func' into development

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This commit is contained in:
Robert 2021-06-09 22:11:25 +02:00
commit 3f8d0311fc
1 changed files with 29 additions and 4 deletions
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33
src/Artemis.Core/Plugins/Prerequisites/PrerequisiteAction/DownloadFileAction.cs
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@ -26,10 +26,29 @@ namespace Artemis.Core
ShowProgressBar = true;
}
/// <summary>
/// Creates a new instance of a copy folder action
/// </summary>
/// <param name="name">The name of the action</param>
/// <param name="urlFunction">A function returning the URL to download</param>
/// <param name="fileName">The target file to save as (will be created if needed)</param>
public DownloadFileAction(string name, Func<Task<string>> urlFunction, string fileName) : base(name)
{
UrlFunction = urlFunction ?? throw new ArgumentNullException(nameof(urlFunction));
FileName = fileName ?? throw new ArgumentNullException(nameof(fileName));
ShowProgressBar = true;
}
/// <summary>
/// Gets the source URL to download
/// </summary>
public string Url { get; }
public string? Url { get; }
/// <summary>
/// Gets the function returning the URL to download
/// </summary>
public Func<Task<string>>? UrlFunction { get; }
/// <summary>
/// Gets the target file to save as (will be created if needed)
@ -41,19 +60,25 @@ namespace Artemis.Core
{
using HttpClient client = new();
await using FileStream destinationStream = new(FileName, FileMode.OpenOrCreate);
string? url = Url;
if (url is null)
{
Status = "Retrieving download URL";
url = await UrlFunction!();
}
void ProgressOnProgressReported(object? sender, EventArgs e)
{
if (Progress.ProgressPerSecond != 0)
Status = $"Downloading {Url} - {Progress.ProgressPerSecond.Bytes().Humanize("#.##")}/sec";
Status = $"Downloading {url} - {Progress.ProgressPerSecond.Bytes().Humanize("#.##")}/sec";
else
Status = $"Downloading {Url}";
Status = $"Downloading {url}";
}
Progress.ProgressReported += ProgressOnProgressReported;
// Get the http headers first to examine the content length
using HttpResponseMessage response = await client.GetAsync(Url, HttpCompletionOption.ResponseHeadersRead, cancellationToken);
using HttpResponseMessage response = await client.GetAsync(url, HttpCompletionOption.ResponseHeadersRead, cancellationToken);
await using Stream download = await response.Content.ReadAsStreamAsync(cancellationToken);
long? contentLength = response.Content.Headers.ContentLength;