public static object GetNodeInfo(string typeName, int id, UniversityStructureRepository rep)
{
dynamic obj = FindObject(typeName, id, rep);
if (obj == null)
{
return(null);
}
return(GetNodeInfo(obj));
}
private static object FindObject(string typeName, int id, UniversityStructureRepository rep)
{
//here we look for the relevant enumerable property-collection in the repository
var repositoryEnumerableProperties = FindEnumerableProperties(rep.GetType());
PropertyInfo propertyInfo = null;
foreach (var property in repositoryEnumerableProperties)
{
if (property.PropertyType.GetGenericArguments().Select(t => t.Name).FirstOrDefault() == typeName)
{
propertyInfo = property;
}
}
if (propertyInfo == null)
{
return(null);
}
//check generic parameter
Type genericParameter = propertyInfo.PropertyType.GetGenericArguments().FirstOrDefault();
if (genericParameter == null || genericParameter.GetType().IsValueType || genericParameter.GetType().Name == "object")
{
return(null);
}
//here we find the object with id 'id' of type 'typeName'
IEnumerable collection = propertyInfo.GetValue(rep) as IEnumerable;
IEnumerator enumerator = collection.GetEnumerator();
dynamic current = null;
dynamic wanted = null;
while (enumerator.MoveNext())
{
current = enumerator.Current;
if ((int)GetProperty("Id", current, typeName) == id)
{
wanted = current;
}
}
return(wanted);
}
public static object GetObject(string typeName, int id, UniversityStructureRepository rep)
{
return(FindObject(typeName, id, rep));
}
public static int GetNumberOfDescendants(string typeName, int id, UniversityStructureRepository rep)
{
object o = FindObject(typeName, id, rep);
return(CalculateDescendants(o));
}
