/// <summary>
/// Writes all values to the config file. If the config file does not
/// exist, it gets created, along with all the directories involved.
/// An existing file will get overwritten.
/// </summary>
public static void SaveConfig()
{
var options = new JsonSerializerOptions
{
WriteIndented = true
};
if (_model == null)
{
_model = new PathConfModel();
}
Directory.CreateDirectory(Path.GetDirectoryName(ConfFile));
string serialized = JsonSerializer.Serialize(_model, _model.GetType(), options);
File.WriteAllText(ConfFile, serialized);
// Because in Linux "Root Owns Everything", we need to change the owner of the
// config back to our current user
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux) && SystemAndShellUtils.IsAdmin())
{
var user = SystemAndShellUtils.GetCurrentUser();
_shell.Term($"chown {user} {ConfFile}");
_shell.Term($"chown {user} {Path.GetDirectoryName(ConfFile)}");
}
}
/// <summary>
/// Reads all values from the config file. If the config file does not
/// exist, all config properties will have their default value.
/// </summary>
public static void LoadConfig()
{
// In no config file exists, "loading" shall reset the config to
// default values. We achieve this by simply creating a new model.
_model = new PathConfModel();
// If no config file exists, we're done
if (!File.Exists(ConfFile))
{
return;
}
// Try loading the values from file
try
{
using (JsonDocument document = JsonDocument.Parse(File.ReadAllText(ConfFile)))
{
JsonElement value;
if (document.RootElement.TryGetProperty(nameof(_model.ClientInstallPath), out value))
{
_model.ClientInstallPath = value.GetString();
}
if (document.RootElement.TryGetProperty(nameof(_model.ClientDBPath), out value))
{
_model.ClientDBPath = value.GetString();
}
if (document.RootElement.TryGetProperty(nameof(_model.LogPath), out value))
{
_model.LogPath = value.GetString();
}
}
}
catch (Exception ex)
{
Log.Error($"Error deserializing path config file:\r\n{ex}");
}
finally
{
if (_model == null)
{
_model = new PathConfModel();
}
// Sanitize loaded values
if (string.IsNullOrEmpty(_model.ClientInstallPath))
{
_model.ClientInstallPath = DefaultClientInstallPath;
}
if (string.IsNullOrEmpty(_model.ClientDBPath))
{
_model.ClientDBPath = DefaultClientDBPath;
}
if (string.IsNullOrEmpty(_model.LogPath))
{
_model.LogPath = DefaultLogPath;
}
// Since loading may have sanitized or amended new values, we
// save the config here to that changes are written back to file.
SaveConfig();
}
}
