Bring the autocomplete bo to live

UserService.DatabaseLayer/Repositories/IRepository.cs

@@ -0,0 +1,39 @@
+#nullable enable
+using System;
+using System.Collections.Generic;
+using System.Linq.Expressions;
+using System.Threading;
+using System.Threading.Tasks;
+using UserService.Infrastructure.DataModels;
+
+namespace UserService.DatabaseLayer.Repositories
+{
+    public interface IRepository<T> where T : Node
+    {
+        Task<IReadOnlyList<T>> GetAllAsync(Expression<Func<T, bool>>? predicate = null, CancellationToken token = default);
+        Task<T?> GetAsync(Expression<Func<T, bool>> predicate, CancellationToken token = default);
+        Task AddAsync(T entity, CancellationToken token = default);
+        Task<bool> UpdateAsync(T entity, CancellationToken token = default);
+        Task DeleteAsync(T entity, CancellationToken token = default);
+    }
+
+    public interface IOrganizationUnitsRepository : IRepository<OrganizationUnit>
+    {
+
+    }
+
+    public interface ISecurityGroupsRepository : IRepository<SecurityGroup>
+    {
+
+    }
+
+    public interface IUsersRepository : IRepository<User>
+    {
+
+    }
+
+    public interface IMembersRepository : IRepository<Member>
+    {
+
+    }
+}