protected async Task <OperationResult <short> > SetArtistRating(Guid artistId, ApplicationUser user, short rating)
{
var artist = DbContext.Artists
.Include(x => x.Genres)
.Include("Genres.Genre")
.FirstOrDefault(x => x.RoadieId == artistId);
if (artist == null)
{
return(new OperationResult <short>(true, $"Invalid Artist Id [{artistId}]"));
}
var now = DateTime.UtcNow;
var userArtist = DbContext.UserArtists.FirstOrDefault(x => x.ArtistId == artist.Id && x.UserId == user.Id);
if (userArtist == null)
{
userArtist = new data.UserArtist
{
Rating = rating,
UserId = user.Id,
ArtistId = artist.Id
};
DbContext.UserArtists.Add(userArtist);
}
else
{
userArtist.Rating = rating;
userArtist.LastUpdated = now;
}
await DbContext.SaveChangesAsync();
var ratings = DbContext.UserArtists.Where(x => x.ArtistId == artist.Id && x.Rating > 0)
.Select(x => x.Rating);
if (ratings != null && ratings.Any())
{
artist.Rating = (short)ratings.Average(x => (decimal)x);
}
else
{
artist.Rating = 0;
}
artist.LastUpdated = now;
await DbContext.SaveChangesAsync();
await UpdateArtistRank(artist.Id);
CacheManager.ClearRegion(user.CacheRegion);
CacheManager.ClearRegion(artist.CacheRegion);
artist = GetArtist(artistId);
return(new OperationResult <short>
{
IsSuccess = true,
Data = artist.Rating ?? 0
});
}
protected async Task <OperationResult <bool> > ToggleArtistFavorite(Guid artistId, User user, bool isFavorite)
{
var result = false;
try
{
var artist = DbContext.Artists
.Include(x => x.Genres)
.Include("Genres.Genre")
.FirstOrDefault(x => x.RoadieId == artistId);
if (artist == null)
{
return(new OperationResult <bool>(true, $"Invalid Artist Id [{artistId}]"));
}
var userArtist = DbContext.UserArtists.FirstOrDefault(x => x.ArtistId == artist.Id && x.UserId == user.Id);
if (userArtist == null)
{
userArtist = new data.UserArtist
{
IsFavorite = isFavorite,
UserId = user.Id,
ArtistId = artist.Id
};
DbContext.UserArtists.Add(userArtist);
}
else
{
userArtist.IsFavorite = isFavorite;
userArtist.LastUpdated = DateTime.UtcNow;
}
await DbContext.SaveChangesAsync();
CacheManager.ClearRegion(user.CacheRegion);
CacheManager.ClearRegion(artist.CacheRegion);
result = true;
}
catch (DbException ex)
{
Logger.LogError($"ToggleArtistFavorite DbException [{ ex }]");
}
return(new OperationResult <bool>
{
IsSuccess = result,
Data = result
});
}
protected async Task <OperationResult <bool> > ToggleArtistDisliked(Guid artistId, ApplicationUser user,
bool isDisliked)
{
var artist = DbContext.Artists
.Include(x => x.Genres)
.Include("Genres.Genre")
.FirstOrDefault(x => x.RoadieId == artistId);
if (artist == null)
{
return(new OperationResult <bool>(true, $"Invalid Artist Id [{artistId}]"));
}
var userArtist = DbContext.UserArtists.FirstOrDefault(x => x.ArtistId == artist.Id && x.UserId == user.Id);
if (userArtist == null)
{
userArtist = new data.UserArtist
{
IsDisliked = isDisliked,
UserId = user.Id,
ArtistId = artist.Id
};
DbContext.UserArtists.Add(userArtist);
}
else
{
userArtist.IsDisliked = isDisliked;
userArtist.LastUpdated = DateTime.UtcNow;
}
await DbContext.SaveChangesAsync();
CacheManager.ClearRegion(user.CacheRegion);
CacheManager.ClearRegion(artist.CacheRegion);
return(new OperationResult <bool>
{
IsSuccess = true,
Data = true
});
}