41 lines
1000 B
C#
41 lines
1000 B
C#
using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using xCommons.Extensions;
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using xDataService.Extensions;
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using xDataService.Interfaces;
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using xModels.Base;
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namespace xDataService.Providers
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{
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public class XIntKeyGenerator<TEntity> : IXKeyGenerator<TEntity, int>
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where TEntity : XBaseEntity<int>
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{
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public async Task<int> GenerateKey(
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IXBaseRepository<TEntity, int> repository,
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CancellationToken cancellationToken = default
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)
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{
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//
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var items = (await repository.GetAllAsync())
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.OrderByDescending(nameof(XBaseEntity<int>.Id));
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var last = items
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.FirstOrDefault();
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//
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var result = last.IsNull() ? 1 : last.Id + 1;
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//
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return result;
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}
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public bool IsEmpty(int id)
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{
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//
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var result = id <= 0;
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//
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return result;
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}
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}
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} |