47 lines
1.6 KiB
C#
47 lines
1.6 KiB
C#
using Microsoft.Extensions.Caching.Memory;
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namespace MesaFabApproval.API.Services;
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public interface ICAService {
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Task<bool> IsValidCANumber(int number);
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}
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public class CAService : ICAService {
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private readonly ILogger<CAService> _logger;
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private readonly IMemoryCache _cache;
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private readonly IDalService _dalService;
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public CAService(ILogger<CAService> logger, IMemoryCache cache, IDalService dalService) {
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_logger = logger ?? throw new ArgumentNullException("ILogger not injected");
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_cache = cache ?? throw new ArgumentNullException("IMemoryCache not injected");
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_dalService = dalService ?? throw new ArgumentNullException("IDalService not injected");
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}
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public async Task<bool> IsValidCANumber(int number) {
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try {
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_logger.LogInformation($"Attempting to determine if {number} is a valid CA#");
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if (number <= 0) return false;
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IEnumerable<int> caNumbers = _cache.Get<IEnumerable<int>>("caNumbers") ?? new HashSet<int>();
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if (caNumbers.Contains(number)) return true;
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string sql = $"select count(CANo) as count from _8DCorrectiveAction where CANo={number}";
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int rowsReturned = (await _dalService.QueryAsync<int>(sql)).FirstOrDefault();
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if (rowsReturned > 0) {
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caNumbers.Append(number);
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_cache.Set("caNumbers", caNumbers);
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return true;
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}
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return false;
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} catch (Exception ex) {
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_logger.LogError($"Unable to determine if {number} is a valid CA#, because {ex.Message}");
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throw;
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}
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}
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}
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