[feat] 新增 orm helper

support/orm/join.go

@@ -1 +0,0 @@
-package orm

support/orm/orderBy.go

@@ -1,36 +0,0 @@
-package orm
-
-import (
-	"git.fsdpf.net/go/contracts"
-	"git.fsdpf.net/go/db"
-)
-
-type OrderByDirection string
-type OrderByType string
-
-const (
-	OrderByDirection_ASC  OrderByDirection = db.ORDER_ASC
-	OrderByDirection_DESC OrderByDirection = db.ORDER_DESC
-)
-
-type OrderBy struct {
-	sql       string           // SQL 或 字段
-	direction OrderByDirection // 排序方向
-}
-
-func NewOrderBy(sql string, params ...OrderByDirection) contracts.OrderBy {
-	direction := OrderByDirection_ASC
-	if len(params) > 0 {
-		direction = params[0]
-	}
-
-	return OrderBy{sql, direction}
-}
-
-func (this OrderBy) ToSql() db.Expression {
-	return db.Raw(this.sql + " " + string(this.direction))
-}
-
-func (this OrderBy) Inject(dbBuilder *db.Builder, m contracts.Model) {
-	dbBuilder.OrderBy(this.ToSql())
-}

support/orm/relation.go

@@ -1 +0,0 @@
-package orm