hd/models/base.go

package models

import (
	"fmt"

	"github.com/xormplus/xorm"
	"reflect"
	"strings"

	"github.com/ouxuanserver/osmanthuswine/src/core"
)

func Condition(condition map[string]interface{}) *xorm.Session {
	session := core.GetXormAuto().NewSession()
	for k, v := range condition {
		if strings.Contains(k, " not in") {
			session = session.NotIn(strings.TrimRight(k, " not in"), v)
		} else if strings.Contains(k, " in") {
			session = session.In(strings.TrimRight(k, " in"), v)
		} else if strings.HasPrefix(strings.ToLower(k), "order by") {
			session = session.OrderBy(v.(string))
		} else if strings.HasSuffix(k, "<") || strings.HasSuffix(k, ">") ||
			strings.HasSuffix(k, "<=") || strings.HasSuffix(k, ">=") ||
			strings.HasSuffix(k, "<>") || strings.HasSuffix(k, "=") ||
			strings.HasSuffix(k, "!=") {
			session = session.Where(fmt.Sprintf("%s?", k), v)
		} else {
			session = session.Where(fmt.Sprintf("%s=?", k), v)
		}
	}
	return session
}

func Save(condition map[string]interface{}, obj interface{}, filed ...string) error {
	session := Condition(condition)
	defer session.Close()
	if condition != nil && Exist(Condition(condition), reflect.New(reflect.TypeOf(obj).Elem()).Interface()) {
		//存在则更新
		_, err := session.Cols(filed...).Update(obj)
		return err
	} else {
		//不存在则插入
		_, err := session.InsertOne(obj)
		return err
	}
}

func Exist(session *xorm.Session, obj interface{}) (result bool) {
	defer session.Close()
	result, _ = session.Exist(obj)
	return result
}

func GetTableName(bean interface{}) string {
	if table, ok := bean.(string); ok {
		return table
	}
	return core.GetXormAuto().TableName(bean)
}

func AliasTableName(bean interface{}, alias string) string {
	tn := GetTableName(bean)
	return fmt.Sprintf("%s as %s", tn, alias)
}

func GetById(bean interface{}, id int64) (bool, error) {
	return core.GetXormAuto().Where("is_delete=0 and id=?", id).Get(bean)
}

// Clone copy all the session's content and return a new session
func CloneSession(session *xorm.Session) *xorm.Session {
	var sess = *session
	return &sess
}