Develop secret api. v36

1 files changed, 11 insertions, 114 deletions

diff --git a/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ColumnInfo.cs b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ColumnInfo.cs
index 0ac6e7b..e91c777 100644
--- a/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ColumnInfo.cs
+++ b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/ColumnInfo.cs
@@ -4,62 +4,6 @@ using System.Text;
 
 namespace CrupestApi.Commons.Crud;
 
-public class ColumnHooks
-{
-    // value:
-    //   null => not specified
-    //   DbNullValue => specified as NULL
-    //   other => specified as value
-    public delegate void ColumnHookAction(ColumnInfo column, ref object? value);
-
-    public ColumnHooks(ColumnHookAction afterSelect, ColumnHookAction beforeInsert, ColumnHookAction beforeUpdate)
-    {
-        AfterSelect = afterSelect;
-        BeforeInsert = beforeInsert;
-        BeforeUpdate = beforeUpdate;
-    }
-
-    /// <summary>Called after SELECT. Please use multicast if you want to customize it because there are many default behavior in it.</summary>
-    /// <remarks>
-    /// Called after column type transformation.
-    /// value(in):
-    ///     null => not found in SELECT result
-    ///     DbNullValue => database NULL
-    ///     others => database value
-    /// value(out):
-    ///     null/DbNullValue => return null
-    ///     others => return as is
-    /// </remarks>
-    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>
-    /// <remarks>
-    /// Called before column type transformation.
-    /// value(in):
-    ///     null => not specified by insert clause
-    ///     DbNullValue => specified as database NULL
-    ///     other => specified as other value
-    /// value(out):
-    ///     null/DbNullValue => save database NULL
-    ///     other => save the value as is
-    /// </remarks>
-    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>
-    /// Called before column type transformation.
-    /// value(in):
-    ///     null => not specified by update clause
-    ///     DbNullValue => specified as database NULL
-    ///     other => specified as other value
-    /// value(out):
-    ///     null => not update
-    ///     DbNullValue => update to database NULL
-    ///     other => update to the value
-    /// </remarks>
-    public ColumnHookAction BeforeUpdate;
-}
-
 public class ColumnInfo
 {
     private readonly AggregateColumnMetadata _metadata = new AggregateColumnMetadata();
@@ -72,12 +16,6 @@ public class ColumnInfo
         Table = table;
         _metadata.Add(metadata);
         ColumnType = typeProvider.Get(clrType);
-
-        Hooks = new ColumnHooks(
-            new ColumnHooks.ColumnHookAction(OnAfterSelect),
-            new ColumnHooks.ColumnHookAction(OnBeforeInsert),
-            new ColumnHooks.ColumnHookAction(OnBeforeUpdate)
-        );
     }
 
     /// <summary>
@@ -94,16 +32,12 @@ public class ColumnInfo
         {
             _metadata.Add(columnAttribute);
         }
-
-        Hooks = new ColumnHooks(
-            new ColumnHooks.ColumnHookAction(OnAfterSelect),
-            new ColumnHooks.ColumnHookAction(OnBeforeInsert),
-            new ColumnHooks.ColumnHookAction(OnBeforeUpdate)
-        );
     }
 
     public TableInfo Table { get; }
 
+    public Type EntityType => Table.EntityType;
+
     // If null, there is no corresponding property.
     public PropertyInfo? PropertyInfo { get; } = null;
 
@@ -111,8 +45,6 @@ public class ColumnInfo
 
     public IColumnTypeInfo ColumnType { get; }
 
-    public ColumnHooks Hooks { get; }
-
     public bool IsPrimaryKey => Metadata.GetValueOrDefault(ColumnMetadataKeys.IsPrimaryKey) is true;
     public bool IsAutoIncrement => Metadata.GetValueOrDefault(ColumnMetadataKeys.IsAutoIncrement) is true;
     public bool IsNotNull => IsPrimaryKey || Metadata.GetValueOrDefault(ColumnMetadataKeys.NotNull) is true;
@@ -163,35 +95,31 @@ public class ColumnInfo
         }
     }
 
-    public MethodInfo ValidatorMethod
+    public MethodInfo? ValidatorMethod
     {
         get
         {
-            object? value = Metadata.GetValueOrDefault(ColumnMetadataKeys.Validator);
+            object? value = Metadata.GetValueOrDefault(ColumnMetadataKeys.DefaultValueGenerator);
             Debug.Assert(value is null || value is string);
+            MethodInfo? result;
             if (value is null)
             {
-                return GetType().GetMethod(nameof(DefaultValidator))!;
+                string methodName = ColumnName + "Validator";
+                result = Table.EntityType.GetMethod(methodName, BindingFlags.Static);
             }
             else
             {
                 string methodName = (string)value;
-                return Table.EntityType.GetMethod(methodName, BindingFlags.Static) ?? throw new Exception("The validator does not exist.");
+                result = Table.EntityType.GetMethod(methodName, BindingFlags.Static) ?? throw new Exception("The validator does not exist.");
             }
+
+            return result;
         }
     }
 
     public void InvokeValidator(object value)
     {
-        ValidatorMethod.Invoke(null, new object?[] { this, value });
-    }
-
-    public static void DefaultValidator(ColumnInfo column, object value)
-    {
-        if (column.IsNotNull && value is DbNullValue)
-        {
-            throw new Exception("The column can't be null.");
-        }
+        ValidatorMethod?.Invoke(null, new object?[] { this, value });
     }
 
     public object? InvokeDefaultValueGenerator()
@@ -199,37 +127,6 @@ public class ColumnInfo
         return DefaultValueGeneratorMethod?.Invoke(null, new object?[] { this });
     }
 
-    public static object? DefaultDefaultValueGenerator(ColumnInfo column)
-    {
-        return DbNullValue.Instance;
-    }
-
-    private void TryCoerceStringFromNullToEmpty(ref object? value)
-    {
-        if (ColumnType.ClrType == typeof(string) && (Metadata.GetValueOrDefault<bool?>(ColumnMetadataKeys.DefaultEmptyForString) is true) && value is DbNullValue)
-        {
-            value = "";
-        }
-    }
-
-    protected void OnAfterSelect(ColumnInfo column, ref object? value)
-    {
-        TryCoerceStringFromNullToEmpty(ref value);
-    }
-
-    protected void OnBeforeInsert(ColumnInfo column, ref object? value)
-    {
-        TryCoerceStringFromNullToEmpty(ref value);
-    }
-
-    protected void OnBeforeUpdate(ColumnInfo column, ref object? value)
-    {
-        if (IsNoUpdate && value is not null)
-            throw new Exception("The column can't be updated.");
-
-        TryCoerceStringFromNullToEmpty(ref value);
-    }
-
     public string GenerateCreateTableColumnString(string? dbProviderId = null)
     {
         StringBuilder result = new StringBuilder();