Sla (#11)

Co-authored-by: gorbenko.pavel <gorbenko.pavel@tansu.kz>
Reviewed-on: http://git.tnsu.kz/gorbenko.pavel/tnsu-approval-route/pulls/11

backend/Tnsu.ApprovalRoute.Infrastructure/TnsuPortal/ITnsuPortalClient.cs

@@ -0,0 +1,15 @@
+namespace Tnsu.ApprovalRoute.Infrastructure.TnsuPortal;
+
+public interface ITnsuPortalClient
+{
+    Task<EmployeeDirectoryInfo?> GetEmployeeByEmailAsync(string email, CancellationToken cancellationToken);
+
+    Task<string?> GetEmployeeByPositionAsync(string position, string company, CancellationToken cancellationToken);
+
+    Task<string?> GetManagerAsync(string email, string managerType, CancellationToken cancellationToken);
+
+    Task<IReadOnlyList<ProjectExecutorInfo>> GetProjectExecutorsAsync(Guid projectId, CancellationToken cancellationToken);
+
+    /// <summary>Email руководителя указанного отдела (для HeadType.DepartmentHead) — null, если не найден.</summary>
+    Task<string?> GetDepartmentHeadEmailAsync(Guid departmentId, CancellationToken cancellationToken);
+}