private static ImmutableList <ProductAnchorProjection> DeserializeCompoundProjection(
Emitter emitter,
CompoundProjection compoundProjection,
Type type,
ImmutableList <Product> products,
Product anchor,
string collectionName)
{
var constructorInfos = type.GetConstructors();
if (constructorInfos.Length != 1)
{
throw new NotImplementedException($"Multiple constructors for {type.Name}");
}
var constructor = constructorInfos.Single();
var parameters = constructor.GetParameters();
if (parameters.Any())
{
var productProjections =
from product in products
let result = constructor.Invoke((
from parameter in parameters
let projection = compoundProjection.GetProjection(parameter.Name)
select DeserializeParameter(emitter, projection, parameter.ParameterType, parameter.Name, product)
).ToArray())
select new ProductAnchorProjection(product, anchor, result, collectionName);
return(productProjections.ToImmutableList());
}
else
{
var properties = type.GetProperties();
var productProjections = products.Select(product =>
{
return(DeserializeProducts(emitter, compoundProjection, type, product, properties, anchor, collectionName));
});
var childProductProjections =
from product in products
let parentAnchor = product.GetAnchor()
from property in properties
where
!property.PropertyType.IsFactType() &&
property.PropertyType.IsGenericType &&
property.PropertyType.GetGenericTypeDefinition() == typeof(IObservableCollection <>)
let projection = compoundProjection.GetProjection(property.Name)
where projection is CollectionProjection
let collectionProjection = (CollectionProjection)projection
where product.Names.Contains(property.Name)
let element = product.GetElement(property.Name)
where element is CollectionElement
let collectionElement = (CollectionElement)element
from childProductProjection in DeserializeChildParameters(emitter, collectionProjection.Specification.Projection, property.PropertyType, property.Name, collectionElement.Products, parentAnchor)
select childProductProjection;
return(productProjections.Concat(childProductProjections).ToImmutableList());
}
}
private static ProductAnchorProjection DeserializeProducts(
Emitter emitter,
CompoundProjection compoundProjection,
Type type,
Product product,
PropertyInfo[] properties,
Product anchor,
string collectionName)
{
var result = Activator.CreateInstance(type);
foreach (var property in properties)
{
var projection = compoundProjection.GetProjection(property.Name);
var value = DeserializeParameter(emitter, projection, property.PropertyType, property.Name, product);
property.SetValue(result, value);
}
return(new ProductAnchorProjection(product, anchor, result, collectionName));
}
