/// <summary>
/// Set a Rating to bar and updates properties acording to new set
/// </summary>
/// <param name="barId">Bar Id to be rated</param>
/// <param name="userId">User Id making the rating</param>
/// <param name="rating">Value of rating</param>
/// <returns>BarDTO</returns>
public async Task <BarDTO> RateBarAsync(Guid barId, Guid userId, int rating)
{
try
{
var rate = await _context.BarRatings.FirstOrDefaultAsync(r => r.BarId == barId && r.UserId == userId);
if (rate != null)
{
rate.Rating = rating;
_context.Update(rate);
}
else
{
var barRating = new UserBarRating
{
Rating = rating
};
barRating.Bar = await _context.Bars.FindAsync(barId);
barRating.User = await _context.Users.FindAsync(userId);
_context.BarRatings.Add(barRating);
}
await _context.SaveChangesAsync();
var bar = await _context.Bars.FindAsync(barId);
bar.Rating = await CalculateRating(barId);
bar.TimesRated = await CountRates(barId);
_context.Update(bar);
await _context.SaveChangesAsync();
return(_mapper.MapEntityToDTO(bar));
}
catch (Exception)
{
throw new ArgumentException("Fail to rate item");
}
}
public async Task ChangeRating_IfAlreadyRatedButNotTimesRated()
{
//Arrange
var options = Utils.GetOptions(nameof(ChangeRating_IfAlreadyRatedButNotTimesRated));
var record = new Bar()
{
Name = "BestBar",
Rating = 4,
TimesRated = 1,
ImageSrc = null,
IsDeleted = false,
Address = "Галичица 17.",
Country = "България.",
District = "Лозенец.",
Email = "*****@*****.**",
Phone = "088888888.",
Town = "София.",
LocationId = null,
};
var user = new User()
{
UserName = "******",
Email = "*****@*****.**",
PasswordHash = "pass",
};
using (var context = new BCcontext(options))
{
await context.Bars.AddAsync(record);
await context.Users.AddAsync(user);
await context.SaveChangesAsync();
var barRating = new UserBarRating();
barRating.Bar = await context.Bars.FirstOrDefaultAsync(b => b.Name == "BestBar");
barRating.User = await context.Users.FirstOrDefaultAsync(u => u.UserName == "UserName");
barRating.Rating = 4;
await context.BarRatings.AddAsync(barRating);
await context.SaveChangesAsync();
}
var mockMapper = new Mock <IBarMapper>();
mockMapper.Setup((x) => x.MapEntityToDTO(It.IsAny <Bar>()))
.Returns((Bar b) => new BarDTO()
{
Id = b.Id,
Name = b.Name,
Rating = b.Rating,
TimesRated = b.TimesRated,
ImageSrc = b.ImageSrc,
IsDeleted = b.IsDeleted,
Address = b.Address,
Country = b.Country,
District = b.District,
Email = b.Email,
LocationId = b.LocationId,
Phone = b.Phone,
Town = b.Town
});
var http = new Mock <IHttpClientFactory>();
var coctailMapper = new Mock <ICocktailMapper>();
//Act & Assert
using (var context = new BCcontext(options))
{
var sut = new BarsService(context, mockMapper.Object, http.Object, coctailMapper.Object);
var dbResult = await context.Bars.FirstOrDefaultAsync(b => b.Name == "BestBar");
var dbUser = await context.Users.FirstOrDefaultAsync(u => u.UserName == "UserName");
var result = await sut.RateBarAsync(dbResult.Id, dbUser.Id, 2);
dbResult = await context.Bars.FirstOrDefaultAsync(b => b.Name == "BestBar");
Assert.AreEqual(dbResult.TimesRated, 1);
Assert.AreEqual(dbResult.Rating, 2);
}
}