feat(schema): 添加基础混入定义公共时间字段

internal/ent/schema/mixin.go

@@ -0,0 +1,29 @@
+package schema
+
+import (
+	"time"
+
+	"entgo.io/ent"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/mixin"
+)
+
+// BaseMixin 定义公共的基础混入
+type BaseMixin struct {
+	mixin.Schema
+}
+
+// Fields 定义所有表都拥有的公共字段
+func (BaseMixin) Fields() []ent.Field {
+	return []ent.Field{
+		// 创建时间：默认当前时间，不可修改（Immutable）
+		field.Time("created_at").
+			Default(time.Now).
+			Immutable(),
+
+		// 更新时间：默认当前时间，并且在每次数据 Update 时自动更新为当前时间
+		field.Time("updated_at").
+			Default(time.Now).
+			UpdateDefault(time.Now),
+	}
+}

internal/ent/schema/user.go

@@ -1,15 +1,41 @@
 package schema
 
-import "entgo.io/ent"
+import (
+	"regexp"
+
+	"entgo.io/ent"
+	"entgo.io/ent/schema/field"
+)
 
 // User holds the schema definition for the User entity.
 type User struct {
 	ent.Schema
 }
 
+func (User) Mixin() []ent.Mixin {
+	return []ent.Mixin{
+		BaseMixin{},
+	}
+}
+
 // Fields of the User.
 func (User) Fields() []ent.Field {
-	return nil
+	return []ent.Field{
+		field.String("username").
+			Unique().
+			NotEmpty(),
+		field.String("password").
+			Sensitive(),
+		field.String("email").
+			Optional().
+			Match(regexp.MustCompile(`^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$`)), // 邮箱格式正则校验
+		field.String("ip").
+			Optional().
+			Match(regexp.MustCompile(`^((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$|^([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4}$`)),
+		field.String("addr").
+			Optional().
+			MaxLen(500),
+	}
 }
 
 // Edges of the User.