go-common/app/interface/main/app-resource/dao/param/param.go
2019-04-22 18:49:16 +08:00

63 lines
1.2 KiB
Go

package param
import (
"context"
"fmt"
"go-common/app/interface/main/app-resource/conf"
"go-common/app/interface/main/app-resource/model/param"
"go-common/library/database/sql"
"go-common/library/log"
)
const (
// get param key and value
_getAllSQL = "SELECT name,value,plat,build,conditions FROM param WHERE state=0 AND plat!=9"
)
// Dao is a param dao.
type Dao struct {
db *sql.DB
get *sql.Stmt
}
// New new a param dao.
func New(c *conf.Config) (d *Dao) {
d = &Dao{
db: sql.NewMySQL(c.MySQL.Show),
}
// prepare
d.get = d.db.Prepared(_getAllSQL)
return
}
// All get all param
func (d *Dao) All(ctx context.Context) (m map[string][]*param.Param, err error) {
rows, err := d.get.Query(ctx)
if err != nil {
log.Error("d.get error(%v)", err)
return nil, err
}
defer rows.Close()
m = map[string][]*param.Param{}
var _key = "param_%d"
for rows.Next() {
p := &param.Param{}
if err = rows.Scan(&p.Name, &p.Value, &p.Plat, &p.Build, &p.Condition); err != nil {
log.Error("row.Scan error(%v)", err)
return nil, err
}
p.Change()
key := fmt.Sprintf(_key, p.Plat)
m[key] = append(m[key], p)
}
return
}
// Close close memcache resource.
func (d *Dao) Close() {
if d.db != nil {
d.db.Close()
}
}