public async Task Populate(SuperModel model, string property)
{
var modelType = model.GetType();
var propertyInfo = modelType.GetProperty(property);
if (propertyInfo?.GetCustomAttributes(typeof(HasManyAttribute), true).FirstOrDefault() is HasManyAttribute hasMany)
{
await processHasMany(model, modelType, propertyInfo !, hasMany);
}
else if (propertyInfo?.GetCustomAttributes(typeof(BelongsToAttribute), true).FirstOrDefault() is BelongsToAttribute belongsTo)
{
await processBelongsTo(model, modelType, propertyInfo !, belongsTo);
}
}
//
//
// // special case for enums
// if (targetType.IsEnum) {
// // we could be going from an int -> enum so specifically let
// // the Enum object take care of this conversion
// if (value != null) {
// value = Enum.ToObject(targetType, value);
// }
// }
// else {
// // returns an System.Object with the specified System.Type and whose value is
// // equivalent to the specified object.
// value = Convert.ChangeType(value, targetType);
// }
// set the value of the property
// propertyInfo.SetValue(target, value, null);
// }
private async Task processHasMany(SuperModel model, Type modelType, PropertyInfo propertyInfo, HasManyAttribute attribute)
{
var propertyType = CascadeTypeUtils.DeNullType(propertyInfo.PropertyType);
var isEnumerable = (propertyType?.Implements <IEnumerable>() ?? false) && propertyType != typeof(string);
var foreignType = isEnumerable ? CascadeTypeUtils.InnerType(propertyType !) : null;
foreignType = foreignType != null?CascadeTypeUtils.DeNullType(foreignType) : null;
if (foreignType == null)
{
throw new ArgumentException("Unable to get foreign model type. Property should be of type ImmutableArray<ChildModel>");
}
// var typeLayers = GetTypeLayers(propertyType);
// var nonNullableType = DeNullType(propertyType);
//
// typeLayers.FirstOrDefault(t => t.Name != "Nullable`1");
//
// var foreignType = isEnumerable ? propertyType.GetGenericArguments().FirstOrDefault() : null;
object modelId = CascadeTypeUtils.GetCascadeId(model);
var key = $"HasMany__{foreignType.Name}__{attribute.ForeignIdProperty}__{modelId}";
var requestOp = new RequestOp(
NowMs,
foreignType,
RequestVerb.Query,
null,
null,
0,
new Dictionary <string, object>()
{
[attribute.ForeignIdProperty] = modelId
},
key
);
var opResponse = await ProcessRequest(requestOp);
CascadeTypeUtils.SetModelCollectionProperty(model, propertyInfo, opResponse.Results);
//propertyInfo.SetValue(model,opResponse.Results);
}
