public Guid CreateHealthMeasure(HealthMeasureViewData healthMeasureViewData)
        {
            using (var entities = this.EntityContext)
            {
                var healthMeasureEntity = new HealthMeasure { Id = Guid.NewGuid() };

                entities.AddToHealthMeasure(healthMeasureEntity);
                this.SaveOrUpdateHealthMeasure(healthMeasureViewData, healthMeasureEntity, entities);
                entities.SaveChanges();

                return healthMeasureEntity.Id;
            }
        }
        private void SaveOrUpdateHealthMeasure(HealthMeasureViewData healthMeasureViewData, HealthMeasure healthMeasureEntity, ZoosManagementSystemEntities entities)
        {
            healthMeasureEntity.MeasurementDate = DateTime.Parse(healthMeasureViewData.MeasurementDate);
            healthMeasureEntity.Height = healthMeasureViewData.Height;
            healthMeasureEntity.Weight = healthMeasureViewData.Weight;
            healthMeasureEntity.Temperature = healthMeasureViewData.Temperature;
            healthMeasureEntity.Notes = healthMeasureViewData.Notes;
            healthMeasureEntity.Vaccine = healthMeasureViewData.Vaccine;

            var animalId = new Guid(healthMeasureViewData.AnimalId);
            healthMeasureEntity.Animal = entities.Animal.FirstOrDefault(a => a.Id == animalId);
        }