public static TrackedIdentities FromArray(TrackedPrimaryKey[][] array)
{
TrackedIdentities result = new TrackedIdentities();
foreach (var entry in array)
{
result.Add(TrackedIdentity.FromArray(entry));
}
return(result);
}
private void Track(DbContext db, object value)
{
TrackingDictionary dict = new TrackingDictionary();
bool trackThisInstance = typeof(ITrackable).IsAssignableFrom(value.GetType());
foreach (var property in value.GetType().GetProperties())
{
if (property.PropertyType.IsGenericType && typeof(IEnumerable).IsAssignableFrom(property.PropertyType))
{
var elementType = property.PropertyType.GetElementTypeIfCollection();
if (trackThisInstance) //track related entities of this instance
{
TrackedIdentities entities = new TrackedIdentities();
Type entityType = elementType.TrackAs();
if (entityType == null)
{
var entityTypeCandidates = AutoMapper.Mapper.GetAllTypeMaps().Where(x => x.SourceType == elementType).Select(x => x.DestinationType)
.Union(AutoMapper.Mapper.GetAllTypeMaps().Where(x => x.DestinationType == elementType).Select(x => x.SourceType)).ToList();
if (entityTypeCandidates.Count == 0)
{
throw new CatFlapException("Found no entity type to track against for type " + elementType.FullName);
}
else if (entityTypeCandidates.Count > 1)
{
throw new CatFlapException("Ambiguous choice of entity type to track against for type " + elementType.FullName + ". Add a [TrackAs] attribute to the class definition to specify which of the mapped types to track against.");
}
else
{
entityType = entityTypeCandidates.Single();
}
}
var keyNames = GetKeyNames(db, entityType);
var collection = (IEnumerable)property.GetValue(value);
var propertyNameTransforms = GetPropertyNameTransforms(elementType, entityType);
foreach (var item in collection)
{
TrackedIdentity entity = new TrackedIdentity();
foreach (var key in keyNames)
{
entity.Add(new TrackedPrimaryKey()
{
PropertyName = key, Value = elementType.GetProperty(propertyNameTransforms[key]).GetValue(item)
});
}
entities.Add(entity);
}
dict.Add(property.Name, entities);
}
if (typeof(ITrackable).IsAssignableFrom(elementType))
{
IEnumerable items = (IEnumerable)property.GetValue(value);
foreach (var item in items)
{
Track(db, item); //be all recursive and shit
}
}
}
else if (typeof(ITrackable).IsAssignableFrom(property.PropertyType))
{
Track(db, property.GetValue(value)); //be all recursive and shit
}
}
if (trackThisInstance) //track related entities of this instance
{
typeof(ITrackable).GetProperty("TrackingToken").SetValue(value, dict.ToBase64());
}
}