public async Task <Movie> CreateMovieAsync(string title, string trailer, string poster, string slider, string description, DateTime releaseDate, string userId)
{
BusinessValidator.IsTitleInValidRange(title);
BusinessValidator.IsTrailerInValidRange(trailer);
BusinessValidator.IsDateInRange(releaseDate);
var user = await this.context
.Users
.FindAsync(userId);
var movie = await this.context
.Movies
.FirstOrDefaultAsync(t => t.Title == title);
movie = new Movie()
{
Title = title, Trailer = trailer, Poster = poster, SliderImage = slider, Description = description, ReleaseDate = releaseDate
};
movie.User = user;
this.context.Movies.Add(movie);
await this.context.SaveChangesAsync();
return(movie);
}
public async Task <Movie> UpdateMovieAsync(Movie movie, string trailer, string description, string poster, string sliderImage)
{
if (trailer != null)
{
BusinessValidator.IsInProperRange(trailer);
}
movie.Trailer = trailer;
if (description != null)
{
BusinessValidator.IsInProperRange(description);
}
movie.Description = description;
if (poster != null)
{
movie.Poster = poster;
}
if (sliderImage != null)
{
movie.SliderImage = sliderImage;
}
await this.context.SaveChangesAsync();
return(movie);
}
public async Task <Review> EditReviewAsync(Review review, string userId, double rating, string description)
{
BusinessValidator.IsInProperRange(description);
BusinessValidator.IsRatingInRange(rating);
if (review.IsDeleted)
{
throw new ArgumentException(ServicesConstants.ReviewNotPresent);
}
var user = this.context.Users.Find(userId);
if (review.UserId != user.Id)
{
throw new ArgumentException(string.Format(ServicesConstants.ReviewNotFromUser,
user.UserName));
}
review.Description = description;
var movie = review.Movie;
if (rating > 0)
{
movie.TotalRating -= review.Rating;
review.Rating = rating;
movie.TotalRating += rating;
movie.AverageRating = (double)movie.TotalRating / movie.NumberOfVotes;
}
await this.context.SaveChangesAsync();
return(review);
}
public async Task <Actor> UpdateActorAsync(Actor actor, string picture, string biography)
{
BusinessValidator.IsInProperRange(biography);
actor.Biography = biography;
if (picture != null)
{
actor.Picture = picture;
}
await this.context.SaveChangesAsync();
return(actor);
}
public async Task <Genre> CreateGenreAsync(string genreName)
{
BusinessValidator.IsGenreInValidRange(genreName);
var genre = new Genre()
{
Name = genreName
};
this.context.Genres.Add(genre);
await this.context.SaveChangesAsync();
return(genre);
}
public void ValidationTest()
{
var business = new Business {
Id = Guid.NewGuid(), Status = 0, LastChange = DateTime.Now,
No = "A1111", Name = ""
};
var bv = new BusinessValidator();
var result = bv.Validate(business);
Assert.False(result.IsValid);
Assert.Equal("商户名称只能输入中文、数字、字符。", result.Errors.First().ErrorMessage);
Assert.Equal(1, result.Errors.Count);
}
public async Task <Actor> CreateActorAsync(string firstName, string lastName, string picture, string biography)
{
BusinessValidator.IsNameInValidRange(firstName);
BusinessValidator.IsNameInValidRange(lastName);
BusinessValidator.IsInProperRange(biography);
var actor = new Actor()
{
FirstName = firstName, LastName = lastName, Picture = picture, Biography = biography
};
await this.context.Actors.AddAsync(actor);
await this.context.SaveChangesAsync();
return(actor);
}
public async Task <Review> AddReviewToMovieAsync(int movieId, string userId,
string description, double rating)
{
BusinessValidator.IsInProperRange(description);
BusinessValidator.IsRatingInRange(rating);
var review = await this.context.Reviews.Where(x => x.UserId == userId && x.MovieId == movieId)
.Include(x => x.Movie)
.Include(x => x.User)
.FirstOrDefaultAsync();
var movie = await this.context.Movies.FindAsync(movieId);
var user = await this.context.Users.FindAsync(userId);
if (review == null)
{
review = new Review()
{
Description = description, Rating = rating
};
}
else if (!review.IsDeleted)
{
throw new ArgumentException(string.Format(ServicesConstants.UserAlreadyVoted,
user.UserName, movie.Title));
}
else if (review.IsDeleted)
{
review.Description = description;
movie.TotalRating -= review.Rating;
review.Rating = rating;
movie.NumberOfVotes--;
}
review.Movie = movie;
review.MovieId = movie.Id;
review.UserId = user.Id;
review.CreatedOn = DateTime.Now;
if (review.IsDeleted)
{
review.IsDeleted = false;
}
else
{
context.Reviews.Add(review);
}
if (rating > 0)
{
movie.NumberOfVotes++;
movie.TotalRating += rating;
if (movie.NumberOfVotes != 0)
{
movie.AverageRating = (double)movie.TotalRating / movie.NumberOfVotes;
}
}
context.SaveChanges();
return(review);
}
