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Code Issues Releases Wiki Activity

Prerequisites - Added DownloadFileAction overload that accepts func

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This commit is contained in:
Diogo Trindade 2021-06-08 22:27:47 +01:00
parent 730207ccd0
commit d6829f5cb5
1 changed files with 24 additions and 4 deletions
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28
src/Artemis.Core/Plugins/Prerequisites/PrerequisiteAction/DownloadFileAction.cs
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@ -26,10 +26,29 @@ namespace Artemis.Core
ShowProgressBar = true; 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> /// <summary>
/// Gets the source URL to download /// Gets the source URL to download
/// </summary> /// </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> /// <summary>
/// Gets the target file to save as (will be created if needed) /// Gets the target file to save as (will be created if needed)
@ -41,19 +60,20 @@ namespace Artemis.Core
{ {
using HttpClient client = new(); using HttpClient client = new();
await using FileStream destinationStream = new(FileName, FileMode.OpenOrCreate); await using FileStream destinationStream = new(FileName, FileMode.OpenOrCreate);
string url = Url ?? await UrlFunction();
void ProgressOnProgressReported(object? sender, EventArgs e) void ProgressOnProgressReported(object? sender, EventArgs e)
{ {
if (Progress.ProgressPerSecond != 0) if (Progress.ProgressPerSecond != 0)
Status = $"Downloading {Url} - {Progress.ProgressPerSecond.Bytes().Humanize("#.##")}/sec"; Status = $"Downloading {url} - {Progress.ProgressPerSecond.Bytes().Humanize("#.##")}/sec";
else else
Status = $"Downloading {Url}"; Status = $"Downloading {url}";
} }
Progress.ProgressReported += ProgressOnProgressReported; Progress.ProgressReported += ProgressOnProgressReported;
// Get the http headers first to examine the content length // 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); await using Stream download = await response.Content.ReadAsStreamAsync(cancellationToken);
long? contentLength = response.Content.Headers.ContentLength; long? contentLength = response.Content.Headers.ContentLength;