public void ApplyMapping(IEntityDefinition definition, BsonClassMap classMap)
{
var entityType = definition.EntityType;
if (EntityMapping.IsValidTypeToMap(entityType.BaseType))
{
EntityMapping.TryRegisterType(entityType.BaseType, out _);
}
else
{
classMap.SetIsRootClass(true);
}
}
public void ApplyMapping(IEntityDefinition definition, BsonClassMap classMap)
{
var entityType = definition.EntityType;
var properties = definition.Properties;
foreach (var property in properties)
{
var propertyType = property.PropertyType;
propertyType = propertyType.GetEnumerableItemTypeOrDefault();
//Maps the property type for handling property nesting
if (propertyType != entityType && EntityMapping.IsValidTypeToMap(propertyType))
{
EntityMapping.TryRegisterType(propertyType, out _);
}
}
}
public static UpdateDefinition <TEntity> Set <TEntity>(this UpdateDefinition <TEntity> definition, string fieldName, BsonValue value) where TEntity : class
{
var dotNetValue = BsonTypeMapper.MapToDotNetValue(value);
var valueType = dotNetValue?.GetType();
IEntityProperty propertyDefinition = null;
if (EntityMapping.IsValidTypeToMap(typeof(TEntity)))
{
propertyDefinition = EntityMapping.GetOrCreateDefinition(typeof(TEntity))
.TraverseProperties()
.Where(p => p.FullPath == fieldName)
.FirstOrDefault();
}
var propertyType = propertyDefinition?.PropertyType;
if (valueType == null && propertyType == null)
{
//For null values - they don't have any type data associated
valueType = typeof(object);
}
else if (valueType == null || (propertyType != null && valueType != propertyType))
{
//Where BsonTypeMapper can't determine the type or it is a mismatch to what is set in the entity definition
//The preference is on the definition type and the serializer on the specific member
valueType = propertyType;
//We will need the serializer defined for the specific member
//Not all serializers will be registered (eg. EntityNavigationSerializer) so we need to look it up manually
var declaringClassMap = BsonClassMap.LookupClassMap(propertyDefinition.EntityType);
var memberMap = declaringClassMap.GetMemberMapForElement(propertyDefinition.ElementName);
var serializer = memberMap.GetSerializer();
//To prevent re-serializing back to a string, we use the BsonDocumentReader over JsonReader
//Using BsonDocumentReader means the root must be a BsonDocument. Because the value may be a BsonArray, we need to wrap the value.
var containerDocument = new BsonDocument
{
{ "Value", value }
};
using (var reader = new BsonDocumentReader(containerDocument))
{
//Get the reader into a state where the serializer is starting on the right element
reader.ReadBsonType();
reader.ReadStartDocument();
reader.ReadBsonType();
reader.SkipName();
var context = BsonDeserializationContext.CreateRoot(reader);
dotNetValue = serializer.Deserialize(context);
}
}
var typeArgs = new[] { typeof(TEntity), valueType };
var specificDefinitionType = typeof(StringFieldDefinition <,>).MakeGenericType(typeArgs);
var specificDefinition = Activator.CreateInstance(specificDefinitionType, fieldName, null); //ie. StringFieldDefintion<TEntity, valueType>
foreach (var method in typeof(UpdateDefinitionExtensions).GetMethods(BindingFlags.NonPublic | BindingFlags.Static))
{
if (method.Name == nameof(InternalSet))
{
var internalSetMethod = method.MakeGenericMethod(typeArgs);
var result = internalSetMethod.Invoke(null, new[] { definition, specificDefinition, dotNetValue });
return(result as UpdateDefinition <TEntity>);
}
}
return(default);
