internal EntityBuilder(BsonMapper mapper) { _mapper = mapper; _entity = mapper.GetEntityMapper(typeof(T)); }
/// <summary> /// Use this method to override how your class can be, by default, mapped from entity to Bson document. /// Returns an EntityMapper from each requested Type /// </summary> protected virtual EntityMapper BuildEntityMapper(Type type) { var mapper = new EntityMapper { Members = new List <MemberMapper>(), ForType = type }; var idAttr = typeof(BsonIdAttribute); var ignoreAttr = typeof(BsonIgnoreAttribute); var fieldAttr = typeof(BsonFieldAttribute); var indexAttr = typeof(BsonIndexAttribute); var members = this.GetTypeMembers(type); var id = this.GetIdMember(members); foreach (var memberInfo in members) { // checks [BsonIgnore] if (memberInfo.IsDefined(ignoreAttr, true)) { continue; } // checks field name conversion var name = this.ResolveFieldName(memberInfo.Name); // check if property has [BsonField] var field = (BsonFieldAttribute)memberInfo.GetCustomAttributes(fieldAttr, false).FirstOrDefault(); // check if property has [BsonField] with a custom field name if (field != null && field.Name != null) { name = field.Name; } // checks if memberInfo is id field if (memberInfo == id) { name = "_id"; } // create getter/setter function var getter = Reflection.CreateGenericGetter(type, memberInfo); var setter = Reflection.CreateGenericSetter(type, memberInfo); // check if property has [BsonId] to get with was setted AutoId = true var autoId = (BsonIdAttribute)memberInfo.GetCustomAttributes(idAttr, false).FirstOrDefault(); // get data type var dataType = memberInfo is PropertyInfo ? (memberInfo as PropertyInfo).PropertyType : (memberInfo as FieldInfo).FieldType; // check if datatype is list/array var isList = Reflection.IsList(dataType); // create a property mapper var member = new MemberMapper { AutoId = autoId == null ? true : autoId.AutoId, FieldName = name, MemberName = memberInfo.Name, DataType = dataType, IsList = isList, UnderlyingType = isList ? Reflection.GetListItemType(dataType) : dataType, Getter = getter, Setter = setter }; // support callback to user modify member mapper if (this.ResolveMember != null) { this.ResolveMember(type, memberInfo, member); } // test if has name and there is no duplicate field if (member.FieldName != null && mapper.Members.Any(x => x.FieldName == name) == false) { mapper.Members.Add(member); } } return(mapper); }