From f357eefb805b0078588d97c72d3d8b047025b842 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Mon, 5 Dec 2022 20:28:58 +0800
Subject: Develop secret api. v10

---
 .../CrupestApi.Commons/Crud/OrderByClause.cs       | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/OrderByClause.cs

(limited to 'docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/OrderByClause.cs')

diff --git a/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/OrderByClause.cs b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/OrderByClause.cs
new file mode 100644
index 0000000..bd4f300
--- /dev/null
+++ b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/OrderByClause.cs
@@ -0,0 +1,41 @@
+namespace CrupestApi.Commons.Crud;
+
+public class OrderByItem
+{
+    public OrderByItem(string columnName, bool isAscending)
+    {
+        ColumnName = columnName;
+        IsAscending = isAscending;
+    }
+
+    public string ColumnName { get; }
+    public bool IsAscending { get; }
+
+    public string GenerateSql()
+    {
+        return $"{ColumnName} {(IsAscending ? "ASC" : "DESC")}";
+    }
+}
+
+public class OrderByClause : List<OrderByItem>
+{
+    public OrderByClause(IEnumerable<OrderByItem> items)
+        : base(items)
+    {
+    }
+
+    public OrderByClause(params OrderByItem[] items)
+        : base(items)
+    {
+    }
+
+    public static OrderByClause Create(params OrderByItem[] items)
+    {
+        return new OrderByClause(items);
+    }
+
+    public string GenerateSql()
+    {
+        return "ORDER BY " + string.Join(", ", this.Select(i => i.GenerateSql()));
+    }
+}
\ No newline at end of file
-- 
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