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UpdateInfoEventArgs.cs
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UpdateInfoEventArgs.cs
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using System;
using System.Xml.Serialization;
namespace AutoUpdaterDotNET;
/// <summary>
/// Object of this class gives you all the details about the update useful in handling the update logic yourself.
/// </summary>
[XmlRoot("item")]
public class UpdateInfoEventArgs : EventArgs
{
private string _changelogURL;
private string _downloadURL;
/// <inheritdoc />
public UpdateInfoEventArgs()
{
Mandatory = new Mandatory();
}
/// <summary>
/// If new update is available then returns true otherwise false.
/// </summary>
public bool IsUpdateAvailable { get; set; }
/// <summary>
/// If there is an error while checking for update then this property won't be null.
/// </summary>
[XmlIgnore]
public Exception Error { get; set; }
/// <summary>
/// Download URL of the update file.
/// </summary>
[XmlElement("url")]
public string DownloadURL
{
get => GetURL(AutoUpdater.BaseUri, _downloadURL);
set => _downloadURL = value;
}
/// <summary>
/// URL of the webpage specifying changes in the new update.
/// </summary>
[XmlElement("changelog")]
public string ChangelogURL
{
get => GetURL(AutoUpdater.BaseUri, _changelogURL);
set => _changelogURL = value;
}
/// <summary>
/// Returns newest version of the application available to download.
/// </summary>
[XmlElement("version")]
public string CurrentVersion { get; set; }
/// <summary>
/// Returns version of the application currently installed on the user's PC.
/// </summary>
public Version InstalledVersion { get; set; }
/// <summary>
/// Shows if the update is required or optional.
/// </summary>
[XmlElement("mandatory")]
public Mandatory Mandatory { get; set; }
/// <summary>
/// Executable path of the updated application relative to installation directory.
/// </summary>
[XmlElement("executable")]
public string ExecutablePath { get; set; }
/// <summary>
/// Command line arguments used by Installer.
/// </summary>
[XmlElement("args")]
public string InstallerArgs { get; set; }
/// <summary>
/// Checksum of the update file.
/// </summary>
[XmlElement("checksum")]
public CheckSum CheckSum { get; set; }
internal static string GetURL(Uri baseUri, string url)
{
if (!string.IsNullOrEmpty(url) && Uri.IsWellFormedUriString(url, UriKind.Relative))
{
var uri = new Uri(baseUri, url);
if (uri.IsAbsoluteUri)
{
url = uri.AbsoluteUri;
}
}
return url;
}
}
/// <summary>
/// Mandatory class to fetch the XML values related to Mandatory field.
/// </summary>
public class Mandatory
{
/// <summary>
/// Value of the Mandatory field.
/// </summary>
[XmlText]
public bool Value { get; set; }
/// <summary>
/// If this is set and 'Value' property is set to true then it will trigger the mandatory update only when current
/// installed version is less than value of this property.
/// </summary>
[XmlAttribute("minVersion")]
public string MinimumVersion { get; set; }
/// <summary>
/// Mode that should be used for this update.
/// </summary>
[XmlAttribute("mode")]
public Mode UpdateMode { get; set; }
}
/// <summary>
/// Checksum class to fetch the XML values for checksum.
/// </summary>
public class CheckSum
{
/// <summary>
/// Hash of the file.
/// </summary>
[XmlText]
public string Value { get; set; }
/// <summary>
/// Hash algorithm that generated the hash.
/// </summary>
[XmlAttribute("algorithm")]
public string HashingAlgorithm { get; set; }
}