From b2a7d7e0f667e8a276ef307a6988e42eee7feb5d Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sun, 11 Dec 2022 12:42:21 +0800
Subject: Develop secret api. v28

---
 .../CrupestApi.Commons/Crud/ColumnInfo.cs          |  3 ++-
 .../CrupestApi/CrupestApi.Commons/Crud/ParamMap.cs |  2 +-
 .../CrupestApi.Commons/Crud/TableInfo.cs           | 27 +++++++---------------
 3 files changed, 11 insertions(+), 21 deletions(-)

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

diff --git a/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ColumnInfo.cs b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ColumnInfo.cs
index 4a594bb..9a6b549 100644
--- a/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ColumnInfo.cs
+++ b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ColumnInfo.cs
@@ -18,10 +18,11 @@ public class ColumnHooks
     /// <summary>Called after SELECT. Please use multicast if you want to customize it because there are many default behavior in it.</summary 
     public ColumnHookAction AfterSelect;
 
-    /// <summary>Called before INSERT. Please use multicast if you want to customize it because there are many default behavior in it.</summary 
+    /// <summary>Called before INSERT. Please use multicast if you want to customize it because there are many default behavior in it.</summary>
     public ColumnHookAction BeforeInsert;
 
     /// <summary>Called before UPDATE. Please use multicast if you want to customize it because there are many default behavior in it.</summary 
+    /// <remarks>Set value to null to delete the update item so it will not change. Set value to <see cref="DbNullValue"/> to update the column to  NULL.</remarks>
     public ColumnHookAction BeforeUpdate;
 }
 
diff --git a/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ParamMap.cs b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ParamMap.cs
index fe8d2a0..841ba40 100644
--- a/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ParamMap.cs
+++ b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ParamMap.cs
@@ -4,7 +4,7 @@ using System.Diagnostics;
 namespace CrupestApi.Commons.Crud;
 
 /// <summary>
-/// Null value will be thrown. Please use <see cref="DbNullValue.Instance"/>.
+/// <see cref="ColumnName"/> is an optional column name related to the param. You may use it to do some column related things. Like use a more accurate conversion.
 /// </summary>
 public record ParamInfo(string Name, object? Value, string? ColumnName = null);
 
diff --git a/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/TableInfo.cs b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/TableInfo.cs
index d2f48c6..61cd04f 100644
--- a/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/TableInfo.cs
+++ b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/TableInfo.cs
@@ -367,12 +367,7 @@ CREATE TABLE {tableName}(
         var result = new DynamicParameters();
         foreach (var param in parameters)
         {
-            if (param.Value is null)
-            {
-                continue;
-            }
-
-            if (param.Value is DbNullValue)
+            if (param.Value is null || param.Value is DbNullValue)
             {
                 result.Add(param.Name, null);
                 continue;
@@ -455,17 +450,14 @@ CREATE TABLE {tableName}(
         {
             InsertItem? item = insert.Items.FirstOrDefault(i => i.ColumnName == column.ColumnName);
             object? value = null;
-            if (item is null || item.Value is null)
-            {
-                column.Hooks.BeforeInsert(column, , );
-            }
             if (item is null)
             {
+                column.Hooks.BeforeInsert(column, ref value, false);
                 item = new InsertItem(column.ColumnName, value);
-                insert.Items.Add(item);
             }
             else
             {
+                column.Hooks.BeforeInsert(column, ref value, true);
                 item.Value = value;
             }
 
@@ -490,19 +482,16 @@ CREATE TABLE {tableName}(
     {
         var (sql, parameters) = GenerateUpdateSql(where, update);
 
+        var readUpdateClause = UpdateClause.Create();
+
         foreach (var column in ColumnInfos)
         {
             UpdateItem? item = update.Items.FirstOrDefault(i => i.ColumnName == column.ColumnName);
             var value = item?.Value;
-            column.Hooks.BeforeUpdate(column, ref value);
-            if (item is null)
-            {
-                if (value is not null)
-                    update.Items.Add(new UpdateItem(column.ColumnName, value));
-            }
-            else
+            column.Hooks.BeforeUpdate(column, ref value, item is null ? false : true);
+            if (value is not null)
             {
-                item.Value = value;
+                readUpdateClause.Add(column.ColumnName, value);
             }
         }
 
-- 
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