public CarServicesRecommenderModel Get(UserRecommendationRequest req)
{
var UserEntity = _context.Users.Find(req.UserID);
var carServicesList = _context.CarServices.Include(c => c.City).ToList();
var ratingList = _context.Ratings.Include(r => r.User).ToList();
float countPositiveRatings = 0;
float countNegativeRatings = 0;
CarServicesRecommenderModel model = new CarServicesRecommenderModel();
model.listToRecommend = new List <Data.Model.CarService>();
model.others = new List <Data.Model.CarService>();
foreach (var carservice in carServicesList)
{
countPositiveRatings = 0;
countNegativeRatings = 0;
if (carservice.City.CityName == "Bugojno")
{
foreach (var r in ratingList)
{
if (carservice.CarServiceID == r.CarServiceID && r.User.CarBrandID == UserEntity.CarBrandID && r.UserID != UserEntity.UserID)
{
if (r.isLiked)
{
countPositiveRatings++;
}
else
{
countNegativeRatings++;
}
}
}
var total = countPositiveRatings + countNegativeRatings;
float avg = 0;
if (countPositiveRatings != 0)
{
avg = (float)(countPositiveRatings / total);
}
if (avg * 5 > 2.5)
{
model.listToRecommend.Add(new Data.Model.CarService()
{
CarServiceID = carservice.CarServiceID,
CarServiceName = carservice.CarServiceName,
CreatedDate = carservice.CreatedDate,
CityID = carservice.CityID,
Street = carservice.Street,
PhoneNumber = carservice.PhoneNumber,
Owner = carservice.Owner,
Photo = carservice.Photo,
NumberOfDislikes = carservice.NumberOfDislikes,
NumberOfLikes = carservice.NumberOfLikes,
UserID = carservice.UserID,
PositiveDifferent = countPositiveRatings - countNegativeRatings
});
}
else
{
model.others.Add(new Data.Model.CarService()
{
CarServiceID = carservice.CarServiceID,
CarServiceName = carservice.CarServiceName,
CreatedDate = carservice.CreatedDate,
CityID = carservice.CityID,
Street = carservice.Street,
PhoneNumber = carservice.PhoneNumber,
Owner = carservice.Owner,
Photo = carservice.Photo,
NumberOfDislikes = carservice.NumberOfDislikes,
NumberOfLikes = carservice.NumberOfLikes,
UserID = carservice.UserID,
});
}
}
}
model.listToRecommend = model.listToRecommend.OrderByDescending(r => r.PositiveDifferent).ToList();
return(model);
}
public Data.Model.CarServicesRecommenderModel Get([FromQuery] UserRecommendationRequest req)
{
return(_service.Get(req));
}
