ersatztv/ErsatzTV.Infrastructure/Data/Repositories/FFmpegProfileRepository.cs

using System.Threading.Tasks;
using ErsatzTV.Core.Domain;
using ErsatzTV.Core.Interfaces.Repositories;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.ChangeTracking;

namespace ErsatzTV.Infrastructure.Data.Repositories
{
    public class FFmpegProfileRepository : IFFmpegProfileRepository
    {
        private readonly IDbContextFactory<TvContext> _dbContextFactory;

        public FFmpegProfileRepository(IDbContextFactory<TvContext> dbContextFactory) =>
            _dbContextFactory = dbContextFactory;

        public async Task<FFmpegProfile> Copy(int ffmpegProfileId, string name)
        {
            await using TvContext dbContext = _dbContextFactory.CreateDbContext();
            FFmpegProfile ffmpegProfile = await dbContext.FFmpegProfiles.FindAsync(ffmpegProfileId);

            PropertyValues values = dbContext.Entry(ffmpegProfile).CurrentValues.Clone();
            values["Id"] = 0;

            var clone = new FFmpegProfile();
            await dbContext.AddAsync(clone);
            dbContext.Entry(clone).CurrentValues.SetValues(values);
            clone.Name = name;

            await dbContext.SaveChangesAsync();
            await dbContext.Entry(clone).Reference(f => f.Resolution).LoadAsync();

            return clone;
        }
    }
}