internal ReMapper BuildMapping()
{
var mappedList = new List <MappedProperty <TSource, TResult> >();
foreach (var property in _propertyList)
{
PropertyInfo sourceProperty = null;
PropertyInfo targetProperty = null;
if (property.SourceExpression != null)
{
sourceProperty = ExpressionHelper.GetPropertyFromExpression(property.SourceExpression);
}
else if (!string.IsNullOrEmpty(property.SourcePropertyName))
{
sourceProperty = typeof(TSource).GetProperty(property.SourcePropertyName);
}
if (sourceProperty == null && property.MappingFunc == null)
{
throw new ArgumentNullException(nameof(sourceProperty));
}
if (property.TargetExpression != null)
{
targetProperty = ExpressionHelper.GetPropertyFromExpression(property.TargetExpression);
}
else if (!string.IsNullOrEmpty(property.TargetPropertyName))
{
targetProperty = typeof(TResult).GetProperty(property.TargetPropertyName);
}
else
{
targetProperty = typeof(TResult).GetProperty(property.SourcePropertyName);
}
if (targetProperty == null)
{
continue;
}
if (property.MappingFunc == null && sourceProperty?.PropertyType != targetProperty.PropertyType)
{
var res = _reMapper.CanConvert(sourceProperty?.PropertyType, targetProperty.PropertyType);
if (res)
{
property.MappingFunc =
_reMapper.GetConverterExpression(sourceProperty?.PropertyType, targetProperty.PropertyType);
}
}
var mappedProperty = new MappedProperty <TSource, TResult>
{
SourceProperty = sourceProperty,
TargetProperty = targetProperty,
MappingFunc = property.MappingFunc
};
mappedList.Add(mappedProperty);
}
var converter = ExpressionHelper.BuildMapAction <TSource, TResult>(mappedList);
_reMapper.AddToMappers((typeof(TSource), typeof(TResult)), converter);
BuildGenerators <TSource>();
BuildGenerators <TResult>();
BuildConvertersForGenerics();
return(_reMapper);
}
