private void Parse()
{
GitRepoUri = new Uri(
ManifestUri.GetLeftPart(UriPartial.Authority));
var ownerAndName = ManifestUri.AbsolutePath.Split("/");
if (ownerAndName.Length != 3)
{
throw new Exception("Invalid manifest uri");
}
ManifestRepoOwner = ownerAndName[1];
ManifestRepoName = Regex.Replace(ownerAndName[2], @"\.git$", "");
}
/// <summary>
/// Saves the app update manifest.
/// </summary>
/// <exception cref="NullReferenceException">Thrown when the <see cref="ManifestUri" is null./></exception>
/// <exception cref="InvalidOperationException">Thrown when the <see cref="ManifestUri" is not a file URI/></exception>
public void Save()
{
if (ManifestUri == null)
{
throw new NullReferenceException($"The '{nameof(ManifestUri)}' cannot be null.");
}
if (!ManifestUri.IsFile)
{
throw new InvalidOperationException("The update manifest cannot be saved because it's not a file URI.");
}
_logger.LogInformation($"Saving manifest to '{ManifestUri.ToString().ToLower()}'.");
lock (_lockObject)
File.WriteAllText(ManifestUri.LocalPath, JsonConvert.SerializeObject(Applications, Formatting.Indented));
}
/// <summary>
/// Loads the app update manifest.
/// </summary>
/// <exception cref="NullReferenceException">Thrown when the <see cref="ManifestUri" is null./></exception>
/// <exception cref="FileNotFoundException">Thrown when the <see cref="ManifestUri" is a file URI and the file is not found./></exception>
/// <exception cref="HttpRequestException">Thrown when the <see cref="ManifestUri" is a http or https URI and the resource is not found./></exception>
public async Task Load()
{
if (ManifestUri == null)
{
throw new NullReferenceException($"The '{nameof(ManifestUri)}' cannot be null.");
}
var version = (((AssemblyInformationalVersionAttribute)GetType().Assembly.GetCustomAttribute(typeof(AssemblyInformationalVersionAttribute))).InformationalVersion);
_logger.LogInformation($"Update Manager v{version} loading manifest from '{ManifestUri.ToString().ToLower()}'.");
if (ManifestUri.IsFile)
{
if (File.Exists(ManifestUri.LocalPath))
{
Applications = JsonConvert.DeserializeObject <List <Application> >(File.ReadAllText(ManifestUri.LocalPath));
}
}
else
{
using (var client = new HttpClient())
Applications = JsonConvert.DeserializeObject <List <Application> >(await client.GetStringAsync(ManifestUri));
}
// Hook up our hierarchy.
foreach (var app in Applications)
{
app.UpdateManager = this;
foreach (var package in app.Packages)
{
package.Application = app;
}
} // for each app.
IsLoaded = true;
}
public override string ToString() => $"Manifest: {ManifestUri.ToString().ToLower()} Applications: {Applications.Count}";
