feat: id字段mixin添加immutable；timeMixin分割为两个

core/orm/nent/mixins/id.go

@@ -26,6 +26,7 @@ func (d DistributedIDMixin) Fields() []ent.Field {
 		field.Int64("id").
 			Annotations(entsql.Annotation{Incremental: tea.Bool(false)}).
 			DefaultFunc(d.idFn).
+			Immutable().
 			Comment("Primary Key | 主键"),
 	}
 }

core/orm/nent/mixins/sort.go

@@ -1,23 +1,23 @@
 package mixins
 
 import (
-    "entgo.io/ent"
-    "entgo.io/ent/schema/field"
-    "entgo.io/ent/schema/mixin"
+	"entgo.io/ent"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/mixin"
 )
 
 // SortMixin implements the ent.Mixin for sharing
 // sort fields with package schemas.
 type SortMixin struct {
-    // We embed the `mixin.Schema` to avoid
-    // implementing the rest of the methods.
-    mixin.Schema
+	// We embed the `mixin.Schema` to avoid
+	// implementing the rest of the methods.
+	mixin.Schema
 }
 
 func (SortMixin) Fields() []ent.Field {
-    return []ent.Field{
-        field.Uint32("sort").
-            Default(1).
-            Comment("Sort number | 排序号"),
-    }
+	return []ent.Field{
+		field.Uint32("sort").
+			Default(1).
+			Comment("Sort number | 排序号"),
+	}
 }

core/orm/nent/mixins/time.go

@@ -1,34 +1,60 @@
 package mixins
 
 import (
-    "entgo.io/ent"
-    "entgo.io/ent/dialect"
-    "entgo.io/ent/schema/field"
-    "entgo.io/ent/schema/mixin"
-    "time"
+	"entgo.io/ent"
+	"entgo.io/ent/dialect"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/mixin"
+	"time"
 )
 
 // TimeMixin implements the ent.Mixin for sharing
-// time fields with package schemas.
+// all time fields with package schemas.
 type TimeMixin struct {
-    mixin.Schema
+	mixin.Schema
 }
 
 func (TimeMixin) Fields() []ent.Field {
-    return []ent.Field{
-        field.Time("created_at").
-            Immutable().
-            Default(time.Now).
-            SchemaType(map[string]string{
-                dialect.MySQL: "datetime",
-            }).
-            Comment("创建时间"),
-        field.Time("updated_at").
-            Default(time.Now).
-            UpdateDefault(time.Now).
-            SchemaType(map[string]string{
-                dialect.MySQL: "datetime",
-            }).
-            Comment("更新时间"),
-    }
+	return append(
+		CreateTimeMixin{}.Fields(),
+		UpdateTimeMixin{}.Fields()...,
+	)
+}
+
+// CreateTimeMixin implements the ent.Mixin for sharing
+// time fields with package schemas.
+type CreateTimeMixin struct {
+	mixin.Schema
+}
+
+// Fields of the create-time mixin.
+func (CreateTimeMixin) Fields() []ent.Field {
+	return []ent.Field{
+		field.Time("created_at").
+			Default(time.Now).
+			Immutable().
+			SchemaType(map[string]string{
+				dialect.MySQL: "datetime",
+			}).
+			Comment("Create Time | 创建时间"),
+	}
+}
+
+// UpdateTimeMixin implements the ent.Mixin for sharing
+// time fields with package schemas.
+type UpdateTimeMixin struct {
+	mixin.Schema
+}
+
+// Fields of the update-time mixin.
+func (UpdateTimeMixin) Fields() []ent.Field {
+	return []ent.Field{
+		field.Time("updated_at").
+			Default(time.Now).
+			UpdateDefault(time.Now).
+			SchemaType(map[string]string{
+				dialect.MySQL: "datetime",
+			}).
+			Comment("Update Time | 更新时间"),
+	}
 }