Created approval reminder worker

FabApprovalWorkerService/Services/PCRBService.cs

@@ -0,0 +1,60 @@
+using FabApprovalWorkerService.Models;
+using FabApprovalWorkerService.Utilities;
+
+using System.Text;
+
+namespace FabApprovalWorkerService.Services;
+
+public interface IPCRBService {
+    Task<bool> PCRBNumberIsActive(int number);
+    public Task<PCRB> GetPCRBByPlanNumber(int planNumber);
+}
+
+public class PCRBService : IPCRBService {
+    private readonly ILogger<PCRBService> _logger;
+    private readonly IDalService _dalService;
+
+    public PCRBService(ILogger<PCRBService> logger, IDalService dalService) {
+        _logger = logger ?? throw new ArgumentNullException("ILogger not injected");
+        _dalService = dalService ?? throw new ArgumentNullException("IDalService not injected");
+    }
+
+    public async Task<bool> PCRBNumberIsActive(int number) {
+        try {
+            _logger.LogInformation($"Attempting to determine if {number} is an active PCRB#");
+
+            if (number <= 0) return false;
+
+            StringBuilder queryBuilder = new();
+            queryBuilder.Append("select count(PlanNumber) as count from CCChangeControl ");
+            queryBuilder.Append($"where PlanNumber={number} and ");
+            queryBuilder.Append($"(ClosedDate is null or ClosedDate >= '{DateTimeUtilities.MAX_DT.ToString("yyyy-MM-dd HH:mm")}')");
+
+            int rowsReturned = (await _dalService.QueryAsync<int>(queryBuilder.ToString())).FirstOrDefault();
+
+            return rowsReturned > 0;
+        } catch (Exception ex) {
+            _logger.LogError($"Unable to determine if {number} is an active PCRB#, because {ex.Message}");
+            throw;
+        }
+    }
+
+    public async Task<PCRB> GetPCRBByPlanNumber(int planNumber) {
+        try {
+            _logger.LogInformation("Attempting to get a PCRB by plan#");
+
+            if (planNumber <= 0) throw new ArgumentException($"{planNumber} is not a valid PCRB#");
+
+            string sql = $"select * from CCChangeControl where PlanNumber={planNumber}";
+
+            PCRB? pcrb = (await _dalService.QueryAsync<PCRB>(sql)).FirstOrDefault();
+
+            if (pcrb is null) throw new Exception($"unable to find PCRB {planNumber}");
+
+            return pcrb;
+        } catch (Exception ex) {
+            _logger.LogError($"Unable to get PCRB# {planNumber}, because {ex.Message}");
+            throw;
+        }
+    }
+}