From 46ee538c2ffe3ea76c647524c74c2ce6add8a2d3 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 6 Dec 2022 11:58:37 +0800
Subject: Develop secret api. v13

---
 .../CrupestApi.Commons/Crud/InsertClause.cs        | 88 ++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/InsertClause.cs

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

diff --git a/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/InsertClause.cs b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/InsertClause.cs
new file mode 100644
index 0000000..35b7cc9
--- /dev/null
+++ b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/InsertClause.cs
@@ -0,0 +1,88 @@
+using System.Text;
+using Dapper;
+
+namespace CrupestApi.Commons.Crud;
+
+public class InsertItem
+{
+    public InsertItem(string columnName, object? value)
+    {
+        ColumnName = columnName;
+        Value = value;
+    }
+
+    public InsertItem(KeyValuePair<string, object?> pair)
+    {
+        ColumnName = pair.Key;
+        Value = pair.Value;
+    }
+
+    public string ColumnName { get; set; }
+    public object? Value { get; set; }
+
+    public static implicit operator KeyValuePair<string, object?>(InsertItem item)
+    {
+        return new(item.ColumnName, item.Value);
+    }
+
+    public static implicit operator InsertItem(KeyValuePair<string, object?> pair)
+    {
+        return new(pair);
+    }
+}
+
+public class InsertClause
+{
+    public List<InsertItem> Items { get; } = new List<InsertItem>();
+
+    public InsertClause(IEnumerable<InsertItem> items)
+    {
+        Items.AddRange(items);
+    }
+
+    public InsertClause(params InsertItem[] items)
+    {
+        Items.AddRange(items);
+    }
+
+    public InsertClause Add(params InsertItem[] items)
+    {
+        Items.AddRange(items);
+        return this;
+    }
+
+    public InsertClause Add(string column, object? value)
+    {
+        return Add(new InsertItem(column, value));
+    }
+
+    public static InsertClause Create(params InsertItem[] items)
+    {
+        return new InsertClause(items);
+    }
+
+    public List<string> GetRelatedColumns()
+    {
+        return Items.Select(i => i.ColumnName).ToList();
+    }
+
+    public string GenerateColumnListSql()
+    {
+        return string.Join(", ", Items.Select(i => i.ColumnName));
+    }
+
+    public string GenerateValueListSql(DynamicParameters parameters)
+    {
+        var sb = new StringBuilder();
+        for (var i = 0; i < Items.Count; i++)
+        {
+            var item = Items[i];
+            var parameterName = parameters.AddRandomNameParameter(item.Value);
+            sb.Append($"@{parameterName}");
+            if (i != Items.Count - 1)
+                sb.Append(", ");
+        }
+
+        return sb.ToString();
+    }
+}
-- 
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