/// <summary>
/// Fill this configuration from <see cref="EnvironmentAttribute">env</see>.
/// </summary>
public void FillFromEnv()
{
PropertyInfo[] props = this.GetType().GetProperties();
foreach (PropertyInfo prop in props)
{
EnvironmentAttribute attr = prop.GetCustomAttribute <EnvironmentAttribute>();
if (attr != null)
{
string env = Environment.GetEnvironmentVariable(attr.Name);
if (env != null)
{
if (prop.PropertyType != typeof(string))
{
try
{
prop.SetValue(this, Activator.CreateInstance(prop.PropertyType, env));
}
catch (TargetInvocationException e)
{
throw new ConfigException(prop.Name, attr.Name, e.InnerException);
}
catch (Exception e)
{
throw new ConfigException(prop.Name, attr.Name, "Type Problem. See InnerException for Details.", e);
}
}
else
{
prop.SetValue(this, env);
}
}
}
}
}
/// <summary>
/// Perform validation via <see cref="IsValid(out List{ValidationResult})"/> and throw an <see cref="ConfigException"/> if it is not valid.
/// </summary>
public void Validate()
{
if (!this.IsValid(out List <ValidationResult> results))
{
foreach (ValidationResult result in results)
{
string propName = result.MemberNames.First();
Type t = this.GetType();
EnvironmentAttribute attr = t.GetProperty(propName).GetCustomAttribute <EnvironmentAttribute>();
if (attr != null)
{
log.Error("ENV: {env} -> {message}", attr.Name, result.ErrorMessage);
}
}
throw new ConfigException("Please check your enviroment variables, config is not valid!");
}
}
