} // CreateSongRatingService
/// <summary>
/// Edits a Song Rating
/// </summary>
/// <param name="songRating"></param>
/// <returns></returns>
public IHttpActionResult Put(SongRatingEdit songRating)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var service = CreateSongRatingService();
if (!service.UpdateSongRating(songRating))
{
return(InternalServerError());
}
return(Ok());
} // Put
} // GetsongRatingById
public bool UpdateSongRating(SongRatingEdit model)
{
using (var ctx = new ApplicationDbContext())
{
var entity =
ctx
.SongRatings
.Single(e => e.SongRatingId == model.SongRatingId && e.OwnerId == _userId);
entity.Song.CulumativeRating = entity.Song.CulumativeRating - entity.SongIndividualRating;
entity.Song.CulumativeRating = model.SongIndividualRating + entity.Song.CulumativeRating;
entity.Song.Rating = entity.Song.CulumativeRating / entity.Song.NumberOfRatings;
entity.SongId = model.SongId;
entity.SongIndividualRating = model.SongIndividualRating;
return(ctx.SaveChanges() == 1);
}
} // UpdateArtistRating
