Created approval reminder worker

FabApprovalWorkerService/Services/ApprovalService.cs

@@ -0,0 +1,65 @@
+using FabApprovalWorkerService.Models;
+using FabApprovalWorkerService.Utilities;
+
+using System.Text;
+
+namespace FabApprovalWorkerService.Services;
+
+public interface IApprovalService {
+    Task<IEnumerable<Approval>> GetActiveApprovalsWithNotificationOlderThanFiveDays();
+    Task UpdateApproval(Approval approval);
+}
+
+public class ApprovalService : IApprovalService {
+    private readonly ILogger<ApprovalService> _logger;
+    private readonly IDalService _dalService;
+
+    public ApprovalService(ILogger<ApprovalService> logger, IDalService dalService) {
+        _logger = logger ?? throw new ArgumentNullException("ILogger not injected");
+        _dalService = dalService ?? throw new ArgumentNullException("IDalService not injected");
+    }
+
+    public async Task<IEnumerable<Approval>> GetActiveApprovalsWithNotificationOlderThanFiveDays() {
+        try {
+            _logger.LogInformation($"Attempting to get active approvals with notifications older than five days");
+
+            StringBuilder queryBuilder = new();
+            queryBuilder.Append("select * from Approval where ");
+            queryBuilder.Append($"(CompletedDate is null or CompletedDate >= '{DateTimeUtilities.MAX_DT.ToString("yyyy-MM-dd HH:mm")}') and ");
+            queryBuilder.Append($"(NotifyDate is null or NotifyDate < '{DateTimeOffset.Now.AddDays(-5).ToString("yyyy-MM-dd HH:mm")}')");
+
+            IEnumerable<Approval> approvals = await _dalService.QueryAsync<Approval>(queryBuilder.ToString());
+
+            return approvals;
+        } catch (Exception ex) {
+            _logger.LogError($"Unable to get active approvals with notifications older than five days, because {ex.Message}");
+            throw;
+        }
+    }
+
+    public async Task UpdateApproval(Approval approval) {
+        try {
+            _logger.LogInformation("Attempting to update an approval");
+
+            if (approval is null) throw new ArgumentNullException("Approval cannot be null");
+
+            StringBuilder queryBuilder = new();
+            queryBuilder.Append($"update Approval set IssueID={approval.IssueID}, RoleName='{approval.RoleName}', ");
+            queryBuilder.Append($"SubRole='{approval.SubRole}', UserID={approval.UserID}, SubRoleID={approval.SubRoleID}, ");
+            queryBuilder.Append($"ItemStatus={Convert.ToInt32(approval.ItemStatus)}, Step={approval.Step}, ");
+            queryBuilder.Append($"NotifyDate='{approval.NotifyDate.ToString("yyyy-MM-dd HH:mm:ss")}', ");
+            queryBuilder.Append($"AssignedDate='{approval.AssignedDate.ToString("yyyy-MM-dd HH:mm:ss")}', ");
+            queryBuilder.Append($"CompletedDate='{approval.CompletedDate.ToString("yyyy-MM-dd HH:mm:ss")}', ");
+            queryBuilder.Append($"Comments='{approval.Comments.Replace("'", "''")}', ");
+            queryBuilder.Append($"TaskID={approval.TaskID} ");
+            queryBuilder.Append($"where ApprovalID={approval.ApprovalID};");
+
+            int rowsUpdated = await _dalService.ExecuteAsync(queryBuilder.ToString());
+
+            if (rowsUpdated <= 0) throw new Exception("Unable to update approval in database");
+        } catch (Exception ex) {
+            _logger.LogError($"Approval update failed, because {ex.Message}");
+            throw;
+        }
+    }
+}