Files
navidrome/persistence/db_sql/checksum_repository.go
T
2020-01-13 10:44:16 -05:00

77 lines
1.4 KiB
Go

package db_sql
import (
"github.com/astaxie/beego/orm"
"github.com/cloudsonic/sonic-server/log"
"github.com/cloudsonic/sonic-server/scanner"
)
type checkSumRepository struct {
data map[string]string
}
const checkSumId = "1"
type CheckSums struct {
ID string `orm:"pk;column(id)"`
Value string
}
func NewCheckSumRepository() scanner.CheckSumRepository {
r := &checkSumRepository{}
return r
}
func (r *checkSumRepository) loadData() error {
loadedData := make(map[string]string)
var all []CheckSums
_, err := Db().QueryTable(&CheckSums{}).All(&all)
if err != nil {
return err
}
for _, cks := range all {
loadedData[cks.ID] = cks.Value
}
r.data = loadedData
log.Debug("Loaded checksums", "total", len(loadedData))
return nil
}
func (r *checkSumRepository) Get(id string) (string, error) {
if r.data == nil {
err := r.loadData()
if err != nil {
return "", err
}
}
return r.data[id], nil
}
func (r *checkSumRepository) SetData(newSums map[string]string) error {
err := WithTx(func(o orm.Ormer) error {
_, err := Db().Raw("delete from check_sums").Exec()
if err != nil {
return err
}
for k, v := range newSums {
cks := CheckSums{ID: k, Value: v}
_, err := Db().Insert(&cks)
if err != nil {
return err
}
}
return nil
})
if err != nil {
return err
}
r.data = newSums
return nil
}
var _ scanner.CheckSumRepository = (*checkSumRepository)(nil)