/// <summary>
/// Copies object to another object using reflection.
/// </summary>
/// <param name="source">The base class instance.</param>
/// <param name="target">The target.</param>
/// <param name="options"></param>
/// <returns></returns>
public static void CopyTo(this object source, object target, CopyToOptions options)
{
var sourceType = source.GetType();
var ignorePrivate = !options.CopyPrivates;
var sourceProperties = options.PropertiesToInclude != null && options.PropertiesToInclude.Any()
? options.PropertiesToInclude
: TypeRepository.GetProperty(sourceType, ignorePrivate);
var targetType = target.GetType();
var targetProperties = options.PropertiesToInclude != null && options.PropertiesToInclude.Any()
? options.PropertiesToInclude.ToDictionary(i => i.Name)
: TypeRepository.GetProperty(targetType, ignorePrivate).ToDictionary(i => i.Name);
foreach (var propertyInfo in sourceProperties.Except(options.PropertiesToIgnore ?? Enumerable.Empty <PropertyInfo>())
)
{
if (!targetProperties.ContainsKey(propertyInfo.Name))
{
continue;
}
var copyContext = new CopyContext(propertyInfo, source, target);
var rawValue = options.Resolver.Invoke(copyContext);
var value = options.DeepCloneValue ? DeepCloneObject(rawValue) : rawValue;
if (options.IgnoreNulls && value == null)
{
continue;
}
var targetProperty = targetProperties[propertyInfo.Name];
if (options.UseNullableBaseType)
{
var trueSourceType = Nullable.GetUnderlyingType(propertyInfo.PropertyType) ??
propertyInfo.PropertyType;
var trueTargetType =
Nullable.GetUnderlyingType(targetProperty.PropertyType) ??
targetProperty.PropertyType;
if (!targetProperty.CanWrite)
{
continue;
}
if (trueSourceType == trueTargetType)
{
targetProperty.SetValue(target, value);
}
else if (options.TryToConvert && CanConvert(value, propertyInfo, targetProperty, out var x))
{
targetProperty.SetValue(target, x);
}
}
else
{
if (propertyInfo.PropertyType == targetProperty.PropertyType)
{
targetProperty.SetValue(target, value);
}
else if (options.TryToConvert && CanConvert(value, propertyInfo, targetProperty, out var x))
{
targetProperty.SetValue(target, x);
}
}
}
}