xDataService/Providers/XStringKeyGenerator.cs

using System;
using System.Threading;
using System.Threading.Tasks;
using xCommons.Extensions;
using xDataService.Interfaces;
using xModels.Base;

namespace xDataService.Providers
{
    public class XStringKeyGenerator : IXKeyGenerator<XBaseEntity<string>, string>
    {
        private readonly IXSequentialGuid sequentialGuid;

        public XStringKeyGenerator(IXSequentialGuid sequentialGuid = null)
        {
            this.sequentialGuid = sequentialGuid;
        }

        public async Task<string> GenerateKey(
            IXBaseRepository<XBaseEntity<string>, string> repository,
            CancellationToken cancellationToken = default
        )
        {
            //
            await Task.CompletedTask;

            //
            if (sequentialGuid.IsNull())
            {
                return Guid.NewGuid().ToString();
            }
            else
            {
                return sequentialGuid.Next().ToString();
            }
        }

        public bool IsEmpty(string id)
        {
            return id.IsNullOrEmpty();
        }
    }
}