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Automapper for MongoDB ObjectIds
Mapper.CreateMap<List<ObjectId>, List<string>>().ConvertUsing(o => o.Select(os => os.ToString()).ToList());
Mapper.CreateMap<List<string>, List<ObjectId>>().ConvertUsing(o => o.Select(os => ObjectId.Parse(os)).ToList());
Mapper.CreateMap<ObjectId, string>().ConvertUsing(o => o.ToString());
Mapper.CreateMap<string, ObjectId>().ConvertUsing(s => ObjectId.Parse(s));
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