public IActionResult Post(string id, [FromBody] RatingDriver driverRating)
{
if (driverRating.Id == 0)
{
_repo.AddDriverRating(id, driverRating);
}
else
{
_repo.UpdateDriverRating(driverRating);
}
return(Ok(driverRating));
}
/// <summary>
/// Method to add a rating to a applicationuser
/// </summary>
/// <param name="id"></param>
/// <param name="driverRating"></param>
/// <returns></returns>
public decimal AddDriverRating(string id, RatingDriver driverRating)
{
var user = _repo.Query <ApplicationUser>().Where(u => u.Id == id).Include(c => c.DriverRatings).FirstOrDefault();
user.DriverRatings.Add(driverRating);
_repo.SaveChanges();
//Helper method that calculates the driverRating sent
this.CalculateDriverRating(user, driverRating);
_repo.SaveChanges();
return(user.AverageRating);
}
/// <summary>
/// Method to update a driverRating
/// </summary>
/// <param name="driverRating"></param>
public void UpdateDriverRating(RatingDriver driverRating)
{
var originalDriverRating = _repo.Query <RatingDriver>().Where(c => c.Id == driverRating.Id).FirstOrDefault();
originalDriverRating.PaymentExperience = driverRating.PaymentExperience;
originalDriverRating.ProfessionalismOfDriver = driverRating.ProfessionalismOfDriver;
originalDriverRating.PromptReplies = driverRating.PromptReplies;
originalDriverRating.SchedulingExperience = driverRating.SchedulingExperience;
originalDriverRating.Trustworthiness = driverRating.Trustworthiness;
originalDriverRating.OverallRating = driverRating.OverallRating;
_repo.Update <RatingDriver>(originalDriverRating);
}
/// <summary>
/// Helper method used for calculating average RatingDriver
/// Also separated logic for easier unit testing
/// </summary>
/// <param name="user"></param>
/// <param name="driverRating"></param>
/// <returns></returns>
public decimal CalculateDriverRating(ApplicationUser user, RatingDriver driverRating)
{
var total = ((driverRating.PaymentExperience) + (driverRating.ProfessionalismOfDriver) + (driverRating.PromptReplies) + (driverRating.SchedulingExperience) + (driverRating.Trustworthiness) + (driverRating.ConditionOfReturnedCar) + (driverRating.DeliveryExperience)) / 7;
driverRating.OverallRating = total;
if (user.DriverRatings.Count == 0)
{
user.AverageRating = ((user.AverageRating * user.DriverRatings.Count) + total) / user.DriverRatings.Count;
}
else
{
user.AverageRating = ((user.AverageRating * (user.DriverRatings.Count - 1)) + total) / user.DriverRatings.Count;
}
return(user.AverageRating);
}
public void TestAddDriverRating()
{
//Arrange
var mock = new Mock <IGenericRepository>();
mock.Setup(x => x.Query <ApplicationUser>()).Returns(users.AsQueryable());
var driverRatingService = new DriverRatingService(mock.Object);
var ratingDriverTest = new RatingDriver()
{
ConditionOfReturnedCar = 4,
DeliveryExperience = 3,
PaymentExperience = 4,
ProfessionalismOfDriver = 5,
PromptReplies = 4,
SchedulingExperience = 3,
Trustworthiness = 5
};
//Act
var result = driverRatingService.CalculateDriverRating(this.user, ratingDriverTest);
//Assert
Assert.Equal(result, 4m);
}
