增加一些表设计

internal/db/models/db_node_dao.go

@@ -0,0 +1,65 @@
+package models
+
+import (
+	_ "github.com/go-sql-driver/mysql"
+	"github.com/iwind/TeaGo/Tea"
+	"github.com/iwind/TeaGo/dbs"
+)
+
+const (
+	DBNodeStateEnabled  = 1 // 已启用
+	DBNodeStateDisabled = 0 // 已禁用
+)
+
+type DBNodeDAO dbs.DAO
+
+func NewDBNodeDAO() *DBNodeDAO {
+	return dbs.NewDAO(&DBNodeDAO{
+		DAOObject: dbs.DAOObject{
+			DB:     Tea.Env,
+			Table:  "edgeDBNodes",
+			Model:  new(DBNode),
+			PkName: "id",
+		},
+	}).(*DBNodeDAO)
+}
+
+var SharedDBNodeDAO = NewDBNodeDAO()
+
+// 启用条目
+func (this *DBNodeDAO) EnableDBNode(id uint32) error {
+	_, err := this.Query().
+		Pk(id).
+		Set("state", DBNodeStateEnabled).
+		Update()
+	return err
+}
+
+// 禁用条目
+func (this *DBNodeDAO) DisableDBNode(id uint32) error {
+	_, err := this.Query().
+		Pk(id).
+		Set("state", DBNodeStateDisabled).
+		Update()
+	return err
+}
+
+// 查找启用中的条目
+func (this *DBNodeDAO) FindEnabledDBNode(id uint32) (*DBNode, error) {
+	result, err := this.Query().
+		Pk(id).
+		Attr("state", DBNodeStateEnabled).
+		Find()
+	if result == nil {
+		return nil, err
+	}
+	return result.(*DBNode), err
+}
+
+// 根据主键查找名称
+func (this *DBNodeDAO) FindDBNodeName(id uint32) (string, error) {
+	return this.Query().
+		Pk(id).
+		Result("name").
+		FindStringCol("")
+}