/// <summary>
/// Check if a new version is available on github. If it is download it.
/// </summary>
/// <param name="user">github user name</param>
/// <param name="repository">github repository name</param>
/// <param name="currentVersion">Version to compare against</param>
/// <param name="destinationFile">destination name of the update file</param>
/// <param name="logger">An optional logger.</param>
/// <returns><see langword="true"/> if a new version is available, otherwise <see langword="false"/></returns>
public static async Task <bool> CheckDownloadNewVersionAsync(string user, string repository, Version currentVersion, string destinationFile, Logger logger = null)
{
return(await Task.Run(async() =>
{
if (logger is null)
{
logger = new Logger(Path.ChangeExtension(destinationFile, ".log"));
}
var gitHub = new GitHubApi();
try
{
var latestReleaseJson = await gitHub.GetLatestReleaseJSONAsync(user, repository);
var version = GitHubApi.ParseVersion(latestReleaseJson);
logger.Log($"Comparing {currentVersion} with latest version on github {version}");
if (version > currentVersion)
{
var updateUrl = GitHubApi.ParseDownloadUrl(latestReleaseJson);
//new version download
await gitHub.DownloadFileAsync(updateUrl, destinationFile);
return true;
}
return false;
}
catch (Exception e)
{
logger.Log(e.Message);
return false;
}
}));
}
private static async Task <string> DownloadInstallerAsync(this GitHubApi gitHub, string destination)
{
var latestReleaseJson = await gitHub.GetLatestReleaseJSONAsync(user, repo);
var urlInstaller = GitHubApi.ParseDownloadUrl(latestReleaseJson);
var installerFileName = Path.Combine(destination, Path.GetFileName(urlInstaller));
await gitHub.DownloadFileAsync(urlInstaller, installerFileName);
return(installerFileName);
}
/// <summary>
/// Downloads and extracts the installer into the given directory
/// </summary>
/// <param name="destinationDir">Directory to extract the installer to.</param>
/// <returns>The name of the installer, if all was successfull.</returns>
public static async Task <string> DownloadExtractInstallerToAsync(string destinationDir)
{
return(await Task.Run(async() =>
{
var gitHub = new GitHubApi();
try
{
var installerZip = await gitHub.DownloadInstallerAsync(destinationDir);
var installerName = installerZip.ExtractInstaller(destinationDir);
return installerName;
}
catch
{
return string.Empty;
}
}));
}
