private static async Task <(ErgonProject project, DiagnosticLog log)> LoadProjectAsync(
string path, ErgonProjectCollection projectCollection, CancellationToken cancellationToken)
{
var log = new DiagnosticLog();
try
{
var loadedProjects = projectCollection.GetLoadedProjects(path);
if (loadedProjects != null && loadedProjects.Count > 0)
{
Debug.Assert(loadedProjects.Count == 1);
return(loadedProjects.First(), log);
}
using (var stream = FileUtilities.OpenAsyncRead(path))
using (var readStream = await SerializableBytes.CreateReadableStreamAsync(stream, cancellationToken).ConfigureAwait(false))
using (var reader = new StreamReader(readStream))
{
var project = ErgonProject.FromString(await reader.ReadToEndAsync(), path);
projectCollection.Add(project);
// todo: assign project.path = path
return(project, log);
}
}
catch (Exception e)
{
log.Add(e, path);
return(project : null, log);
}
}
