public static RelatedEntityCollection ToRelatedEntityCollection(this SortDetails details, string id)
{
if (details == null)
{
throw new ArgumentNullException("details", string.Format(Constants.ObjectNullException, "details"));
}
if (string.IsNullOrWhiteSpace(id))
{
throw new ArgumentNullException("id", string.Format(Constants.StringNullException, "id"));
}
return(new RelatedEntityCollection
{
Entity = details.EntityName,
EntityId = id,
RelatedEntity = details.RelatedEntity,
});
}
public List <RelatedEntityCollection> Sort(IEnumerable <T> entities, IEnumerable <RelatedEntity> relatedEntities, SortDetails details)
{
if (entities == null || !entities.Any() || relatedEntities == null || !relatedEntities.Any())
{
return(null);
}
var list = new List <RelatedEntityCollection>();
var type = entities.First()?.GetType();
var propInfoId = type.GetProperty(details.EntityIdProperty);
var entityPropertyPropInfo = type.GetProperty(details.EntityProperty);
Type dictIdType = typeof(Dictionary <,>).MakeGenericType(propInfoId.PropertyType, typeof(RelatedEntityCollection));
Type dictPropType = typeof(Dictionary <,>).MakeGenericType(entityPropertyPropInfo.PropertyType, dictIdType);
Type dictType = typeof(Dictionary <,>).MakeGenericType(propInfoId.PropertyType, typeof(RelatedEntityCollection));
IDictionary dict = Activator.CreateInstance(dictPropType) as IDictionary;
var tryGetValueMethod = dictPropType.GetMethod("TryGetValue");
var tryGetValueMethod2 = dictIdType.GetMethod("TryGetValue");
foreach (var entity in entities)
{
var id = propInfoId.GetValue(entity);
var entityPropertyValue = entityPropertyPropInfo.GetValue(entity);
RelatedEntityCollection collection = null;
IDictionary idDict = null;
object[] dictPropParameters = new object[] { entityPropertyValue, null };
if ((bool)tryGetValueMethod.Invoke(dict, dictPropParameters))
{
object[] dictIdParams = new object[] { id, null };
if (!(bool)tryGetValueMethod2.Invoke((dictPropParameters[1] as IDictionary), dictIdParams))
{
collection = details.ToRelatedEntityCollection(id.ToString());
(dictPropParameters[1] as IDictionary).Add(id, collection);
list.Add(collection);
}
continue;
}
idDict = Activator.CreateInstance(dictIdType) as IDictionary;
collection = details.ToRelatedEntityCollection(id.ToString());
idDict.Add(id, collection);
list.Add(collection);
dict.Add(entityPropertyValue, idDict);
}
foreach (var re in relatedEntities)
{
var value = re?.Object?.GetValue(details.EntityToRelatedEntityProperty)?.ToString();
var typedValue = value.ToType(entityPropertyPropInfo.PropertyType);
if (dict[typedValue] is IDictionary idDict)
{
foreach (var v in idDict.Values)
{
if (v is RelatedEntityCollection rec)
{
rec.RelatedEntities.Add(re);
}
}
}
}
return(list);
}
public List <RelatedEntityCollection> Sort(IEnumerable <T> entities, IEnumerable <RelatedEntity> relatedEntities, SortDetails details)
{
return(SortMethodDictionary[details.RelatedEntityType](entities, relatedEntities, details));
}