private ReferenceTypeModel ConvertReferenceProperty(PropertyInfo property, IDictionary <string, List <Type> > overrides)
{
var referenceAttr = property.GetCustomAttribute <ResourceReferenceAttribute>();
var displayName = property.GetDisplayName();
// Create reference model from property information and optional attribute
var referenceModel = new ReferenceTypeModel
{
Name = property.Name,
DisplayName = !string.IsNullOrEmpty(displayName) ? displayName : property.Name,
Description = property.GetDescription(),
Role = referenceAttr.Role,
RelationType = referenceAttr.RelationType,
IsRequired = referenceAttr.IsRequired,
IsCollection = typeof(IEnumerable <IResource>).IsAssignableFrom(property.PropertyType)
};
// Get type constraints
Type targetType = property.PropertyType;
if (referenceModel.IsCollection)
{
targetType = EntryConvert.ElementType(targetType);
}
var typeConstraints = MergeTypeConstraints(property, targetType, overrides);
referenceModel.SupportedTypes = TypeController.SupportedTypes(typeConstraints).Select(t => t.Name).ToArray();
return(referenceModel);
}
/// <summary>
/// Check if a property is a collection of primitives
/// </summary>
private static bool IsPrimitiveCollection(Type memberType)
{
if (!EntryConvert.IsCollection(memberType))
{
return(false);
}
var elementType = EntryConvert.ElementType(memberType);
return(EntryConvert.ValueOrStringType(elementType));
}
/// <summary>
/// Get all reference overrides from a resources properties
/// </summary>
private static Dictionary <string, List <Type> > GetReferenceOverrides(IEnumerable <PropertyInfo> properties)
{
// TODO Type wrappers in AL5
var referenceOverrides = (from prop in properties
let overrideAtt = prop.GetCustomAttribute <ReferenceOverrideAttribute>()
where overrideAtt != null
let targetType = typeof(IEnumerable <IResource>).IsAssignableFrom(prop.PropertyType)
? EntryConvert.ElementType(prop.PropertyType) : prop.PropertyType
group targetType by overrideAtt.Source into g
select new { g.Key, overrides = g.ToList() }).ToDictionary(v => v.Key, v => v.overrides);
return(referenceOverrides);
}