/
type.go
executable file
·83 lines (72 loc) · 1.63 KB
/
type.go
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package base
import (
"fmt"
"github.com/foxiswho/echo-go/models"
"github.com/foxiswho/echo-go/module/db"
"github.com/foxiswho/echo-go/util"
)
type TypeService struct {
}
func NewTypeService() *TypeService {
return new(TypeService)
}
//初始化列表
func typeNewMakeDataArr() []models.Type {
return make([]models.Type, 0)
}
//列表查询
func (s *TypeService) GetAll(where []*db.QueryCondition, fields []string, orderBy string, page int, limit int) (*db.Paginator, error) {
m := models.NewType()
session := db.Filter(where)
count, err := session.Count(m)
if err != nil {
fmt.Println(err)
return nil, util.NewError(err.Error())
}
Query := db.Pagination(int(count), page, limit)
if count == 0 {
return Query, nil
}
session = db.Filter(where)
if orderBy != "" {
session.OrderBy(orderBy)
}
session.Limit(limit, Query.Offset)
if len(fields) == 0 {
session.AllCols()
}
data := typeNewMakeDataArr()
err = session.Find(&data)
if err != nil {
fmt.Println(err)
return nil, util.NewError(err.Error())
}
Query.Data = make([]interface{}, len(data))
for y, x := range data {
Query.Data[y] = x
}
return Query, nil
}
// 获取 单条记录
func (s *TypeService) GetById(id int) (*models.Type, error) {
m:=new(models.Type)
m.Id = id
ok, err := db.DB().Engine.Get(m)
if err != nil {
return nil, err
}
if !ok{
return nil,util.NewError("数据不存在:"+err.Error())
}
return m, nil
}
// 删除 单条记录
func (s *TypeService) Delete(id int) (int64, error) {
m:=new(models.Type)
m.Id = id
num, err := db.DB().Engine.Delete(m)
if err == nil {
return num, nil
}
return num, err
}