} // CreateAlbumRatingService
/// <summary>
/// Edits a Album Rating
/// </summary>
/// <param name="albumRating"></param>
/// <returns></returns>
public IHttpActionResult Put(AlbumRatingEdit albumRating)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var service = CreateAlbumRatingService();
if (!service.UpdateAlbumRating(albumRating))
{
return(InternalServerError());
}
return(Ok());
} // Put
} // GetAlbumRatingById
public bool UpdateAlbumRating(AlbumRatingEdit model)
{
using (var ctx = new ApplicationDbContext())
{
var entity =
ctx
.AlbumRatings
.Single(e => e.AlbumRatingId == model.AlbumRatingId && e.OwnerId == _userId);
entity.Album.CulumativeRating = entity.Album.CulumativeRating - entity.AlbumIndividualRating;
entity.Album.CulumativeRating = model.AlbumIndividualRating + entity.Album.CulumativeRating;
entity.Album.Rating = entity.Album.CulumativeRating / entity.Album.NumberOfRatings;
entity.AlbumId = model.AlbumId;
entity.AlbumIndividualRating = model.AlbumIndividualRating;
return(ctx.SaveChanges() == 1);
}
} // UpdateAlbumRating
