background/model/memo.go

package model

import (
	"background/db"
	"background/logs"
	"fmt"
	"qiniupkg.com/x/log.v7"
	"strings"
)

type Memo struct {
	ID      int64  `sql:"id" json:"id"`
	Title   string `sql:"title" json:"title"`
	CreateTime    string  `sql:"create_time" json:"create_time"`
	Content  string `sql:"content"  json:"content"`
}

func CreateMemo(memo Memo)  error{
	sql := fmt.Sprintf(`insert into memo(title,create_time,content) select  '%s','%s','%s'
			from dual where not exists (select * from memo where memo.title='%s')  `,
		memo.Title,memo.CreateTime,strings.Replace(memo.Content, "'", "\\'", -1),memo.Title)
	log.Print(sql)
	_, e := db.GetMysqlClient().Query(sql)
	if nil != e {
		logs.Error(e.Error())
		return e
	}
	return nil
}

func UpdateMemo(memo Memo)  error{
	sql := fmt.Sprintf(`update  memo set  title = '%s',
		create_time = '%s',
		content = '%s' where memo.id = %d`,
		memo.Title,memo.CreateTime,strings.Replace(memo.Content, "'", "\\'", -1),memo.ID)
	_, e := db.GetMysqlClient().Query(sql)
	if nil != e {
		logs.Error(e.Error())
		return e
	}
	return nil
}

func DeleteMemo(id int32)  error{
	sql := fmt.Sprintf(`delete from memo where memo.id = '%d'`,id)
	log.Print(sql)
	_, e := db.GetMysqlClient().Query(sql)
	if nil != e {
		logs.Error(e.Error())
		return e
	}
	return nil
}

func ReadMemo(id int32)  ([]Memo,error){
	memo := []Memo{}
	sql := fmt.Sprintf(`select * from memo where memo.id = '%d'`,id)
	e := db.GetMysqlClient().Query2(sql,&memo)
	if nil != e {
		logs.Error(e.Error())
		return nil,e
	}
	return memo,nil
}

func GetMemos(title string,limit int,offset int) ([]Memo,error) {
	memo :=  []Memo{}
	sql := fmt.Sprintf(`select * from memo where memo.title like '%s%%'  limit %d offset %d`,
		title,limit,offset)
	log.Print(sql)
	e := db.GetMysqlClient().Query2(sql,&memo)
	if nil != e {
		logs.Error(e.Error())
		return nil,e
	}
	return memo,nil

}