108 lines
2.2 KiB
Go
108 lines
2.2 KiB
Go
package repository
|
|
|
|
import (
|
|
"encoding/json"
|
|
"github.com/dgraph-io/badger/v4"
|
|
"github.com/disgoorg/log"
|
|
)
|
|
|
|
type Domain struct {
|
|
Name string
|
|
NS []string
|
|
}
|
|
|
|
type Repository interface {
|
|
GetAll() ([]Domain, error)
|
|
GetValue(domainName string) Domain
|
|
SetValue(domain Domain) error
|
|
DeleteValue(domainName string) error
|
|
Close() error
|
|
}
|
|
|
|
type DomainRepository struct {
|
|
db *badger.DB
|
|
}
|
|
|
|
func InitDb() *DomainRepository {
|
|
opts := badger.DefaultOptions("./badger")
|
|
opts.Logger = nil
|
|
db, err := badger.Open(opts)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
return &DomainRepository{db}
|
|
}
|
|
|
|
func (d *DomainRepository) Close() error {
|
|
return d.db.Close()
|
|
}
|
|
|
|
func (d *DomainRepository) RunGC() error {
|
|
return d.db.RunValueLogGC(0.7)
|
|
}
|
|
|
|
func (d *DomainRepository) GetAll() ([]Domain, error) {
|
|
var domains []Domain
|
|
err := d.db.View(func(txn *badger.Txn) error {
|
|
opts := badger.DefaultIteratorOptions
|
|
opts.PrefetchSize = 10
|
|
it := txn.NewIterator(opts)
|
|
defer it.Close()
|
|
for it.Rewind(); it.Valid(); it.Next() {
|
|
item := it.Item()
|
|
err := item.Value(func(val []byte) error {
|
|
retrievedDomain := Domain{}
|
|
err := json.Unmarshal(val, &retrievedDomain)
|
|
domains = append(domains, retrievedDomain)
|
|
return err
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
})
|
|
return domains, err
|
|
}
|
|
|
|
func (d *DomainRepository) GetValue(domainName string) (Domain, error) {
|
|
retrievedDomain := Domain{}
|
|
err := d.db.View(func(txn *badger.Txn) error {
|
|
item, err := txn.Get([]byte(domainName))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = item.Value(func(val []byte) error {
|
|
err = json.Unmarshal(val, &retrievedDomain)
|
|
return err
|
|
})
|
|
return err
|
|
})
|
|
if err != nil {
|
|
return Domain{}, err
|
|
}
|
|
return retrievedDomain, nil
|
|
}
|
|
|
|
func (d *DomainRepository) SetValue(domain Domain) error {
|
|
jsonBytes, err := json.Marshal(domain)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = d.db.Update(func(txn *badger.Txn) error {
|
|
err := txn.Set([]byte(domain.Name), jsonBytes)
|
|
return err
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (d *DomainRepository) DeleteValue(domainName string) error {
|
|
err := d.db.Update(func(txn *badger.Txn) error {
|
|
err := txn.Delete([]byte(domainName))
|
|
return err
|
|
})
|
|
return err
|
|
}
|