public async Task <MemeRating> FetchRating(MemeReaction reaction)
{
var rating = await _context.MemeRatings
.FirstOrDefaultAsync(r =>
r.MemeId == reaction.MemeId && r.UserId == reaction.UserId);
if (rating == null)
{
rating = new MemeRating()
{
UserId = reaction.UserId,
MemeId = reaction.MemeId,
};
await _context.MemeRatings.AddAsync(rating);
}
return(rating);
}
public void DeleteRating([NotNull] MemeRating rating)
{
_context.MemeRatings.Remove(rating);
}