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StopShopping.Services/Models/Resp/PagedResult.cs

@@ -0,0 +1,32 @@
+namespace StopShopping.Services.Models.Resp;
+
+public class PagedResult<T>
+{
+    public int PageCount { get; set; }
+    public int PageSize { get; set; }
+    public int PageIndex { get; set; }
+    public List<T> Data { get; set; } = [];
+}
+
+public static class PagedQueryExtensions
+{
+    public static async Task<PagedResult<T>> ToPagedAsync<T>(this IAsyncEnumerable<T> query
+        , int pageIndex = 1
+        , int pageSize = 20)
+    {
+        PagedResult<T> result = new()
+        {
+            PageSize = pageSize,
+            PageIndex = pageIndex
+        };
+
+        var total = await query.CountAsync();
+        result.PageCount = (int)Math.Ceiling(total / (decimal)result.PageSize);
+        result.Data = await query
+            .Skip((result.PageIndex - 1) * result.PageSize)
+            .Take(result.PageSize)
+            .ToListAsync();
+
+        return result;
+    }
+}