public async Task <CustomerFullStatsModel> GetCustomerStats(string email)
{
CustomerFullStatsModel model = new CustomerFullStatsModel();
var customer = await Context.Users.OfType <Customer>().Where(x => x.Email == email).Include(x => x.Visits.Select(y => y.Service)).FirstOrDefaultAsync();
if (customer == null)
{
throw new ItemNotFoundException();
}
model.Customer = customer;
var visitsFromThePast = customer.Visits.Where(x => x.StartDate < DateTime.Now);
if (visitsFromThePast.Count() > 0)
{
model.Stats = new CustomerStatsModel
{
NumberOfVisits = visitsFromThePast.Count(),
LowestCostOfTheVisit = visitsFromThePast.Min(x => x.CostAfterDiscount),
HighestCostOfTheVisit = visitsFromThePast.Max(x => x.CostAfterDiscount),
AverageCostOfTheVisit = Math.Round(visitsFromThePast.Average(x => x.CostAfterDiscount), 0),
};
var service = visitsFromThePast.GroupBy(x => x.Service).OrderByDescending(x => x.Count()).Select(x => x.Key).FirstOrDefault();
model.MostPopularService = service;
}
return(model);
}
public async Task <IHttpActionResult> GetCustomerStats(string email)
{
CustomerFullStatsModel model = new CustomerFullStatsModel();
try
{
model = await _unitOfWork.UserRepository.GetCustomerStats(email);
}
catch (ItemNotFoundException e)
{
return(NotFound());
}
catch (Exception e)
{
_logger.Error(e);
return(InternalServerError());
}
var result = _mapper.Map <CustomerStatsApiModel>(model);
return(Ok(result));
}
