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using System.Collections;
using ArcaneLibs.Extensions;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
namespace MatrixRoomUtils.Desktop;
public class MRUDesktopConfiguration {
private static ILogger<MRUDesktopConfiguration> _logger;
public MRUDesktopConfiguration(ILogger<MRUDesktopConfiguration> logger, IConfiguration config, HostBuilderContext host) {
_logger = logger;
logger.LogInformation($"Loading configuration for environment: {host.HostingEnvironment.EnvironmentName}...");
config.GetSection("MRUDesktop").Bind(this);
DataStoragePath = ExpandPath(DataStoragePath);
CacheStoragePath = ExpandPath(CacheStoragePath);
}
public string DataStoragePath { get; set; } = "";
public string CacheStoragePath { get; set; } = "";
private static string ExpandPath(string path, bool retry = true) {
_logger.LogInformation($"Expanding path `{path}`");
if (path.StartsWith("~")) {
path = Path.Join(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), path[1..]);
}
Environment.GetEnvironmentVariables().Cast<DictionaryEntry>().OrderByDescending(x => x.Key.ToString().Length).ToList().ForEach(x => {
path = path.Replace($"${x.Key}", x.Value.ToString());
});
_logger.LogInformation($"Expanded path to `{path}`");
int tries = 0;
while(retry && path.ContainsAnyOf("~$".Split())) {
if(tries++ > 100)
throw new Exception($"Path `{path}` contains unrecognised environment variables");
path = ExpandPath(path, false);
}
return path;
}
}
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