mttor

type Engine interface {
	// Applies specified mutation to target provided.
	Mutate(ctx context.Context, target, mutation interface{}) (err error)
}

type Error struct {
	Descriptorion string
}

type MongoEngine interface {
	RenderMongoMutation(ctx context.Context, targetType reflect.Type, mutation interface{}) (res interface{}, err error)
}

type MongoMutator interface {
	Mutator
	// Returns mongo mutation name, so appropriate bson.D can be passed.
	MongoMutationName() string
	RenderMongoDoc(ctx context.Context, data MongoMutatorData) (entry bson.E, err error)
}

type MongoMutatorData struct {
	MutatorData
	BSONFieldName string
	Skip          bool
}

type MutationArgs map[string][]string

type Mutator interface {
	ApplyMutation(ctx context.Context, target reflect.Value, field stdesc.Field, data MutatorData) (err error)
}

type MutatorData struct {
	Value interface{}

	Args         MutationArgs
	FieldName    string
	MutationName string
}