(#401) users: add devince info and wrappers domain

MiniSpace.Services.Students/src/MiniSpace.Services.Students.Core/Entities/DeviceInfo.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace MiniSpace.Services.Students.Core.Entities
+{
+    public class DeviceInfo
+    {
+        public string IpAddress { get; set; }
+        public string DeviceType { get; set; }
+        public string OperatingSystem { get; set; }
+    }
+}

MiniSpace.Services.Students/src/MiniSpace.Services.Students.Core/Wrappers/PagedResponse.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace MiniSpace.Services.Students.Core.Wrappers
+{
+    public class PagedResponse<T>
+    {
+        public IEnumerable<T> Items { get; }
+        public int TotalPages { get; }
+        public int TotalItems { get; }
+        public int PageSize { get; }
+        public int Page { get; }
+        public bool First { get; }
+        public bool Last { get; }
+        public bool Empty { get; }
+        public int? NextPage => Page < TotalPages ? Page + 1 : (int?)null;
+        public int? PreviousPage => Page > 1 ? Page - 1 : (int?)null;
+
+        public PagedResponse(IEnumerable<T> items, int page, int pageSize, int totalItems)
+        {
+            Items = items;
+            PageSize = pageSize;
+            TotalItems = totalItems;
+            TotalPages = pageSize > 0 ? (int)Math.Ceiling((decimal)totalItems / pageSize) : 0;
+            Page = page;
+            First = page == 1;
+            Last = page == TotalPages;
+            Empty = !items.Any();
+        }
+    }
+}