From f5e3d9959cfea707add5594cd195d33060cdb85c Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 13 Dec 2022 11:32:23 +0800
Subject: Develop secret api. v34

---
 .../crupest-api/CrupestApi/CrupestApi.Commons/Crud/ColumnInfo.cs | 2 +-
 .../CrupestApi/CrupestApi.Commons/Crud/ColumnMetadata.cs         | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

(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 ae5081d..0ac6e7b 100644
--- a/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ColumnInfo.cs
+++ b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ColumnInfo.cs
@@ -118,7 +118,7 @@ public class ColumnInfo
     public bool IsNotNull => IsPrimaryKey || Metadata.GetValueOrDefault(ColumnMetadataKeys.NotNull) is true;
     public bool IsGenerated => Metadata.GetValueOrDefault(ColumnMetadataKeys.Generated) is true;
     public bool IsNoUpdate => Metadata.GetValueOrDefault(ColumnMetadataKeys.NoUpdate) is true;
-    public bool CanBeGenerated => DefaultValueGeneratorMethod is not null;
+    public bool CanBeGenerated => (bool?)Metadata.GetValueOrDefault(ColumnMetadataKeys.CanBeGenerated) ?? (DefaultValueGeneratorMethod is not null);
     /// <summary>
     /// This only returns metadata value. It doesn't not fall back to primary column. If you want to get the real key column, go to table info.
     /// </summary>
diff --git a/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ColumnMetadata.cs b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ColumnMetadata.cs
index 1082ea4..5d20772 100644
--- a/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ColumnMetadata.cs
+++ b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ColumnMetadata.cs
@@ -41,6 +41,13 @@ public static class ColumnMetadataKeys
     /// This column acts as key when get one entity for http get method in path. 
     /// </summary>
     public const string ActAsKey = nameof(ColumnAttribute.ActAsKey);
+
+    /// <summary>
+    /// Default value is null, aka, whether a default value generator is specified.
+    /// Set to true or false to override it.
+    /// </summary>
+    /// <returns></returns>
+    public const string CanBeGenerated = nameof(ColumnAttribute.CanBeGenerated);
 }
 
 public interface IColumnMetadata
@@ -123,6 +130,8 @@ public class ColumnAttribute : Attribute, IColumnMetadata
     /// <seealso cref="ColumnMetadataKeys.ActAsKey"/>
     public bool ActAsKey { get; init; }
 
+    public bool? CanBeGenerated { get; init; } = null;
+
     public bool TryGetValue(string key, out object? value)
     {
         var property = GetType().GetProperty(key);
-- 
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